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HP Officejet Pro 8100 ePrinter - N811a/N811d support

Blinking Lights

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Blinking lights

The blinking lights on the front of the printer indicate the printer status. These lights can be on, off, or blinking (flashing), depending on the status of the printer. Blinking lights can indicate error conditions. They might also indicate that the printer is initializing or processing a print job.
Figure 1: The printer control panel
Image:  The printer control   panel.
1 - Printhead icon (Visible only when the printhead needs attention)
2 - Cartridge Access Door icon (Visible only when the printer cartridge access door or lid is open)
3 - Out of Paper icon (Visible only when the printer is out of paper)
4 - Paper Jam icon (Visible only when paper is jammed or the carriage is stalled)
5 - Resume light and button
6 - Cancel button
7 - Power light and button
8 - ePrint light and button
9 - Wireless light and button
10 - Wired Network (Ethernet) icon (Visible only when the printer is connected to a wired network)
11 - Wireless Network icon (Visible only when the printer is connected to a wireless network or a wireless network is available)
12 - Cartridge icons
The following sections describe the most common issues related to the light patterns on your printer. Find the issue related to the blinking lights pattern you are experiencing, and then follow the steps to resolve the issue.
Click the plus sign () for more information.
The following light pattern displays on the printer control panel:
All lights: Off
Figure 2: All lights are off
Image: All lights are off.
    The printer is turned off, or the power cord is disconnected.
  1. Connect the power cord to the printer and to the wall outlet.
  2. Press the Power button to turn on the printer.
In this normal condition, the following light pattern displays on the printer control panel:
  • Power light: On
  • ePrint light: On or off
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 3: Power light is on
Image: Power light is on.
The printer is turned on and ready to print. No action is required.
The following light pattern displays on the printer control panel:
  • Out of Paper icon: Blinks
  • Resume light: Blinks
  • Power light: On
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 4: The Out of Paper icon and the Resume light blink, and the Power light is on
Image: The Out of Paper icon and the Resume light blink, and the Power light is on.
    The printer might be out of paper.
Follow these steps in the order presented to load paper in the printer.
The following steps are only for loading plain, white paper. For information about loading other types of media, click Loading Paper, Envelopes, Cards, Photo Paper, and Custom-size Media
Use the following method to load plain white paper in tray 1 and tray 2.
NOTE:Tray 2 is an optional accessory.
  1. Pull out the paper tray.
    Figure 5: Pull out the paper tray
    Illustration: Pull out the paper tray
    NOTE:To load Legal size paper, press and hold the release latch on the inside, top-left corner of the paper tray, and then gently pull the tray out to extend it.
  2. Insert plain white paper print-side down in the center of the tray. Make sure the stack of paper is no higher than the paper stack guide located on the side of the tray.
    Figure 6: Insert plain paper
    Illustration: Insert plain paper
  3. Press and hold the paper guide release latches on the inside left and top of the paper tray, and then slide the paper guides in until they rest against the edges of the paper.
    Figure 7: Adjust the paper guides
    Illustration: Adjust the paper guides
  4. Reinsert the paper tray.
    Figure 8: Reinsert the paper tray
    Illustration: Reinsert the paper tray
  5. Pull out the extension on the output tray.
    Figure 9: Pull out the extension on the output tray
    Illustration: Pull out the extension on the output tray
  6. Press the Resume button () to restart the print job.
The following light pattern displays on the printer control panel:
  • Cartridge Access Door icon: Blinks
  • Power light: On
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 10: The Cartridge Access Door icon blinks
Image: The Cartridge Access Door icon blinks and the Power light is on.
    The cartridge access door or the printer lid is not closed completely.
Follow these steps to resolve the issue.
  1. Open the cartridge access door and the printer lid.
    Figure 11: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  2. Close the printer lid, and then close the cartridge access door.
The following light pattern displays on the printer control panel:
  • Power light: Blinks
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 12: The Power light blinks
Image: The Power light blinks.
    The following situations cause the Power light to blink:
    • The printer is turning on or off.
    • The printer is processing a print job.
    • The printer is pausing for the ink to dry.
    • The printer is in an error state.
    • The printer is in sleep mode.
Important: You must follow these solutions in the order presented to resolve the issue.
Wait for the printer to turn on or off, or to finish processing the print job.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
  1. Press the Power button to turn on the printer if it is not already on.
  2. Disconnect the USB cable from the rear of the printer if it is connected.
  3. Disconnect the power cord from the rear of the printer.
  4. Wait at least 60 seconds.
  5. Reconnect the power cord to the rear of the printer.
  6. Press the Power button to turn on the printer.
The following light pattern displays on the printer control panel:
  • Paper Jam icon: Blinks
  • Resume light: Blinks
  • Power light: Blinks
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 13: The Paper Jam icon, and the Resume and Power lights blink
Image: The Paper Jam icon, and the Resume and Power lights blink.
How do I resolve this issue? The following sections describe the most common messages that might display on the computer when the Paper Jam icon, the Resume light, and the Power light blink. For solutions, click the Plus sign () next to the error message that displays on your computer.
    There might be a paper jam.
NOTE:Paper jams can be real or false. The printer might report a paper jam even when there is no jammed paper. The following solutions apply to both real and false paper jams.
Important: You must follow these solutions in the order presented to resolve the issue.
Follow these steps to turn the printer off and on again.
Step one: Turn the printer off and on again
  1. Press the Power button () to turn off the product.
  2. Wait 60 seconds.
  3. Press the Power button () to turn on the product.
    NOTE:The product might go through a warm-up period which might last up to two minutes. The product lights might flash and the carriage might move. Wait until the warm-up period completes before you continue.
Step two: Print a self-test report
Print a self-test report (also called a printer status report) to make sure that the hardware functions correctly.
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Follow these steps in the order presented to clear the paper jam from the rear of the printer.
Video of clearing a paper jam
The following video demonstrates how to clear a paper jam.
Step one: Remove any loose paper from the trays
Figure 14: Do not pull out jammed paper at this stage
Image: Do not pull out jammed paper.
CAUTION:Do not remove jammed paper at this stage. Trying to clear jammed paper from the front of the product can damage the print mechanism.
  1. Pull out tray 1, and then remove any loose sheets of paper from the tray.
  2. Pull out tray 2 (if installed), and then remove any loose sheets of paper from the tray.
  3. Remove any loose sheets of paper from the output tray.
Step two: Clear the jam from the rear of the printer
The following steps require the use of a flashlight to identify any jammed paper from the rear of the printer.
  1. Press the Power button () to turn off the product.
  2. Disconnect the USB cable from the rear of the product.
  3. Disconnect the power cord from the rear of the product.
  4. Unplug the power cord from the wall outlet.
  5. Turn the product around so that you can access the rear side.
  6. Push in the buttons on either side of the two-sided printing accessory (duplexer), and then remove the duplexer.
    Figure 15: Remove the duplexer
    Image: Remove the duplexer.
  7. Gently remove any jammed paper or pieces of torn paper from the rollers inside the product. Use both hands to pull any whole sheets of paper to avoid tearing them.
    NOTE:Your product may look slightly different than the one pictured, but the steps are the same.
    Figure 16: Gently remove any jammed paper
    Image: Remove jammed paper.
    CAUTION:Use a flashlight to thoroughly check the rollers and wheels for torn pieces of paper that might remain inside the product. If any torn pieces of paper remain inside the product, more jams are likely to occur.
    Figure 17: Remove pieces of paper
    Image: Remove pieces of paper.
Step three: Clear any paper from the duplexer
  1. Open the duplexer. Hold both sides of the duplexer, and then use your thumbs to press down the two latches on top of the duplexer.
    Figure 18: Duplexer latches
    Image: Duplexer latches.
  2. Remove any jammed or torn pieces of paper from inside the duplexer.
  3. Close the duplexer cover.
  4. Gently push the duplexer into the product until it snaps firmly into place.
  5. Reconnect the power cord to the rear of the product.
  6. Plug the power cord back into the wall outlet.
  7. If the product does not turn on by itself, press the Power button ( ) to turn it on.
    NOTE:The product might go through a warm-up period. The product lights might flash and the carriage might move. Wait until the warm-up period finishes before you proceed.
Step four: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Follow these steps to clear the jam from tray 1 and tray 2 (if installed).
Step one: Clear the jam from tray 1 and tray 2 (if installed)
  1. Press the Power button to turn off the printer.
  2. Disconnect the power cord from the rear of the printer.
  3. Unplug the power cord from the wall outlet.
  4. Remove tray 1 from the printer.
  5. If optional tray 2 is installed, lift the printer off the tray 2 base, and then carefully lay the printer upside down on a flat surface.
  6. Gently remove any jammed or torn paper from the exposed underside of the printer.
  7. If tray 2 is installed follow these instructions; otherwise continue to the next step.
    1. Remove the paper tray from the tray 2 base if the paper tray is installed.
    2. Use a flashlight to see inside the tray 2 base, and then remove any jammed or torn paper from the base.
    3. Make sure that the stack of paper is no higher than the paper stack guide located on the side of tray 2.
      Figure 19: Do not overfill the tray
      Image: Do not overfill the tray.
    4. Make sure that the paper guides are properly positioned. Press and hold the paper guide release latches on the inside left and top of the paper tray, and then slide the paper guides in until they rest against the edges of the paper. Do not push the guides in so tightly that they bind against the paper.
      Figure 20: Input tray
      Image: Input tray.
      1 - Paper width guide
      2 - Paper fill guide
      3 - Paper length guide
    5. Carefully reinsert tray 2 into the tray 2 base, and then push the tray forward until the tray locks into place.
    6. Reinstall the printer on top of tray 2.
      Figure 21: Reinstall the printer on top of tray 2
      Image: Reinstall the printer on top of  tray 2.
  8. Make sure that the stack of paper is no higher than the paper stack guide located on the side of tray 1.
    Figure 22: Do not overfill the tray
    Image: Do not overfill the tray.
  9. Make sure that the paper guides are properly positioned. Press and hold the paper guide release latches on the inside left and top of the paper tray, and then slide the paper guides in until they rest against the edges of the paper. Do not push the guides in so tightly that they bind against the paper.
    Figure 23: Input tray
    Image: Input tray.
    1 - Paper width guide
    2 - Paper fill guide
    3 - Paper length guide
  10. Carefully reinsert tray 1 into the printer, and then push the tray forward until the tray locks into place.
  11. Reconnect the power cord to the rear of the printer.
  12. Plug the power cord back into the wall outlet.
  13. If the printer does not turn on by itself, press the Power button to turn it on.
    NOTE:The printer might go through a warm-up period. The printer lights might flash and the carriage might move. Wait until the warm-up period finishes before you proceed.
Step two: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Follow these steps to clear the jam from the cartridge access area. Follow these steps only if you have tried all the preceding solutions and the issue persists.
The following steps require the use of a flashlight to identify any jammed paper in the carriage path.
Step one: Check the cartridge access area with the carriage docked
  1. Press the Power button to turn off the printer. The carriage moves to the right of the printer.
    WARNING:Do not reach into the cartridge access area when the printer is turned on or off and plugged into an electrical outlet.
  2. Disconnect the power cord from the rear of the printer.
  3. Unplug the power cord from the wall outlet.
  4. Open the cartridge access door and the printer lid.
    Figure 24: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  5. Gently pull out any jammed or torn paper from inside the printer.
  6. Use a flashlight to thoroughly check the carriage path for torn pieces of paper that might remain inside the printer. If any torn pieces of paper remain inside the printer, more jams are likely to occur.
    Use a flashlightPaper jammed in carriage path
    Image: Use a flashlightImage: Paper jammed in carriage path
  7. Close the printer lid and the cartridge access door.
  8. Reconnect the power cord to the rear of the printer.
  9. Plug the power cord back into the wall outlet.
  10. If the printer does not turn on by itself, press the Power button to turn it on.
    NOTE:The printer might go through a warm-up period. The printer lights might flash and the carriage might move. Wait until the warm-up period finishes before you proceed.
  11. Continue to the next step.
Step two: Check the cartridge access area with the carriage undocked
  1. Keep the printer turned on.
    WARNING:Do not reach into the cartridge access area at this time.
  2. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer.
    Figure 25: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Wait until the carriage stops in the center of the printer, and then disconnect the power cord from the rear of the printer.
  4. Unplug the power cord from the wall outlet.
  5. Remove the printhead. You can leave the cartridges in the printhead. Lift the lever on the back right corner of the printhead assembly, and then lift out the printhead.
    CAUTION:Do not leave printhead out of the printer for more that 5 minutes. Doing so can result in damage to the printhead. Do not touch the electrical contacts on the assembly during removal or installation.
    Figure 26: Remove the printhead
    Image: Remove the printhead.
  6. Use a flashlight to thoroughly check the far right side of the cartridge access area that was previously hidden from view by the carriage.
    Figure 27: Use a flashlight
    Image: Use a flashlight
  7. Gently pull out any jammed or torn paper from inside the printer.
  8. Carefully reinstall the printhead, and then lower the printhead lever into its original locked position.
    Figure 28: Reinstall the printhead
    Image: Reinstall the printhead.
  9. Close the printer lid and the cartridge access door.
  10. Reconnect the power cord to the rear of the printer.
  11. Plug the power cord back into the wall outlet.
  12. If the printer does not turn on by itself, press the Power button to turn it on.
    NOTE:The printer might go through a warm-up period. The printer lights might flash and the carriage might move. Wait until the warm-up period finishes before you proceed.
Step three: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Solution five: Clean the rollers
Dust, paper fiber, and other debris might accumulate on the paper feed rollers and cause paper jams and paper feed issues. Follow these steps to clean the paper feed rollers.
Step one: Clean the rollers in the rear access area
  1. Gather the following materials:
    • A clean, lint-free cloth, or any cloth that will not come apart or leave fibers
    • Distilled, filtered, or bottled water (tap water might damage the product)
  2. Press the Power button () to turn off the product.
  3. Unplug the power cord from the wall outlet.
  4. Disconnect the power cord from the rear of the product.
  5. Turn the product around so that you can access the rear side.
  6. Push in the buttons on either side of the duplexer, and then remove the duplexer. Set the duplexer aside.
    Figure 29: Remove the duplexer
    Remove the duplexer.
  7. Lightly dampen a clean, lint-free cloth with bottled or distilled water, and then squeeze any excess liquid from the cloth.
  8. Press the cloth against the paper feed rollers in the product, and then rotate the rollers upwards with your fingers. Apply a moderate amount of pressure to remove any dust or dirt buildup.
    Figure 30: The paper feed rollers
    Illustration of the product paper feed rollers
  9. Allow the rollers to dry for 10 to 15 minutes.
Step two: Check and clean the duplexer rollers
  1. Check the four white rollers on the outside of the duplexer. Make sure that the rollers are clean, free of paper bits, and rotate freely.
    Figure 31: Check the four rollers on the outside of the duplexer
    Image: Check the four rollers on the outside of the duplexer.
  2. Open the duplexer. Hold both sides of the duplexer, and then use your thumbs to press down the two latches on top of the duplexer.
  3. Check the three large and two small paper-feed rollers inside the duplexer. Make sure that the rollers are clean, free of paper bits, and rotate freely.
    Figure 32: The five paper-feed rollers inside the duplexer
    Image: The five paper-feed rollers inside the duplexer.
  4. Clean all the duplexer rollers the same way that you cleaned the rollers inside the product.
  5. Allow the duplexer rollers to dry for 10 to 15 minutes.
  6. Close the duplexer.
  7. Gently push the duplexer into the product until it snaps firmly into place.
  8. Reconnect the power cord to the rear of the product.
  9. Plug the power cord back into the wall outlet.
  10. If the product does not turn on by itself, press the Power button ( ) to turn it on.
    NOTE:The product might go through a warm-up period. The product lights might flash and the carriage might move. Wait until the warm-up period finishes before you proceed.
Step three: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Solution six: Reset the printer
Follow these steps to reset the printer.
Step one: Perform a power reset
  1. Press the Power button () to turn on the product.
  2. With the product turned on, disconnect the power cord from the rear of the product.
  3. Unplug the power cord from the wall outlet.
  4. Wait at least 15 seconds.
  5. Plug the power cord back into the wall outlet.
  6. Reconnect the power cord to the rear of the product.
  7. If the product does not turn on by itself, press the Power button () to turn it on.
Step two: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
  • If the test page prints successfully, but you continue to experience an issue with your printer, then the issue is not related to the hardware.
      If your printer prints a test page and there is still an issue with your printer, go to the support page for your printer , and then browse for the appropriate support document to troubleshoot the issue.
      If you see a prompt to Enter a product name/number in the search box, follow these steps to go to your printer's home page:
      1. Type your printer name and number in the search box, and then click Search.
      2. If necessary, click your model in a list of similar printers.
      3. Search your printer's home page for topics to help resolve the issue.
  • If the printer does not print a test page, there is an issue with the printer hardware. Continue to the next solution.
If you have completed all the solutions listed above and are still experiencing a problem, continue to the Service the printer section at the end of this document.
    The carriage has stalled.
Important: You must follow these solutions in the order presented to resolve the issue.
Follow these steps to turn the printer off and on again.
Step one: Turn the printer off and on again
  1. Press the Power button () to turn off the product.
  2. Wait 60 seconds.
  3. Press the Power button () to turn on the product.
    NOTE:The product might go through a warm-up period which might last up to two minutes. The product lights might flash and the carriage might move. Wait until the warm-up period completes before you continue.
Step two: Print a self-test report
Print a printer status report (also called a self-test report) to make sure that the hardware functions correctly.
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Follow these steps to remove any loose paper, and then clear any jammed paper from the rear of the printer.
Video of clearing a paper jam
The following video demonstrates how to clear a paper jam.
Step one: Remove any loose paper from the trays
Figure 33: Do not pull out jammed paper at this stage
Image: Do not pull out jammed paper.
CAUTION:Do not remove jammed paper at this stage. Trying to clear jammed paper from the front of the product can damage the print mechanism.
  1. Pull out tray 1, and then remove any loose sheets of paper from the tray.
  2. Pull out tray 2 (if installed), and then remove any loose sheets of paper from the tray.
  3. Remove any loose sheets of paper from the output tray.
Step two: Clear the paper jam from the rear of the printer
The following steps require the use of a flashlight to identify any jammed paper from the rear of the printer.
  1. Press the Power button to turn off the printer.
  2. Disconnect the USB cable from the rear of the printer.
  3. Disconnect the power cord from the rear of the printer.
  4. Unplug the power cord from the wall outlet.
  5. Turn the printer around so that you can access the rear side.
  6. Push in the buttons on both sides of the two-sided printing accessory (duplexer), and then remove the duplexer.
    Figure 34: Remove the duplexer
    Image: Remove the duplexer.
  7. Gently remove any jammed paper or pieces of torn paper from the rollers inside the printer. Use both hands to pull any whole sheets of paper to avoid tearing them.
    NOTE:Your printer may look slightly different than the one pictured, but the steps are the same.
    Figure 35: Gently remove any jammed paper
    Image: Remove jammed paper.
  8. Use a flashlight to thoroughly check the rollers and wheels for torn pieces of paper that might remain inside the printer. If any torn pieces of paper remain inside the printer, more jams might occur.
    Figure 36: Use a flashlight
    Image: Use a flashlight
    Figure 37: Remove pieces of paper
    Image: Remove pieces of paper.
  9. Gently push the duplexer into the printer until it snaps firmly into place.
  10. Reconnect the power cord to the rear of the printer.
    Important: Do not reconnect the USB cable until instructed to do so later in these steps.
  11. Plug the power cord back into the wall outlet.
  12. If the printer does not turn on by itself, press the Power button to turn it on.
    NOTE:The printer might go through a warm-up period. The printer lights might flash and the carriage might move. Wait until the warm-up period finishes before you proceed.
Step three: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Improper placement or installation of the cartridges might cause the printer to indicate a carriage jam error. Follow these steps to remove, and then reinstall the cartridges.
Step one: Remove the cartridges
  1. Press the Power button to turn on the printer.
  2. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer. Wait until the carriage is idle and silent before proceeding.
    Figure 38: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Press in on the front of a cartridge to release it, and then pull it toward you to remove it from its slot.
    CAUTION:Do not leave the cartridges outside of the printer for an extended period of time. This can result in damage to both the printer and the cartridges.
    Add new graphic
  4. Check the cartridges for damage, and replace any damaged cartridges.
  5. Check for obstructions under and around the carriage.
  6. Close the cartridge access door and printer lid.
Step two: Reinstall the cartridges
Follow these steps to reinstall the cartridges.
  1. Slide the cartridge into its slot, and then gently push it forward until it clicks into place. Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Lifting the latch could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.All cartridges must be seated correctly in the printhead assembly. If one cartridge sticks out farther than another, it is incorrectly installed. Make sure that you push the cartridge forward into the printhead again until it clicks into place.
    Figure 39: Insert the cartridge into its color-coded slot
    Image: Insert the cartridge into its color-coded slot.
  2. Repeat these steps for the other cartridges.
  3. Close the cartridge access door and printer lid.
Step three: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
The following steps require the use of a flashlight to find the carriage, and then to make sure that the carriage moves freely.
Step one: Find the carriage with a flashlight
  1. Press the Power button to turn off the printer.
    WARNING:Do not reach into the cartridge access area when the printer is turned on or off and plugged into an electrical outlet.
  2. Disconnect the power cord from the rear of the printer.
  3. Open the cartridge access door and the printer lid.
    NOTE:The carriage in your printer might not be in the center of the printer like the carriage shown in the following image.
    Figure 40: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  4. Use a flashlight to find the carriage in the printer.
    Figure 41: Use a flashlight
    Image: Use a flashlight
    WARNING:Do not try to move the carriage at this time if it is located all the way to the right side of the printer. If the carriage is at the right side, it is docked in its station.
Step two: Make sure that the carriage moves freely
Follow the steps for the position of the carriage inside your printer.
The carriage is not docked in its station
Follow these steps only if the carriage is not docked in its station on the far right side of the printer.
  1. Try to move the carriage to the right and to the left sides of the printer.
    Figure 42: Move the carriage
    Image: Move the carriage.
  2. Move the carriage to the far left side of the printer.
    If the carriage does not move freely, apply minimal pressure to the right side of the carriage, and then push the carriage to the left. Do this only if the carriage is not docked in its station on the far right side of the printer
  3. Look for and remove any obstructions along the far right side of the carriage path, such as paper and debris.
  4. Use a flashlight to check for torn pieces of paper that might remain inside the printer. If any torn pieces of paper remain inside the printer, more jams are likely to occur.
    Use a flashlightPaper jammed in carriage path
    Image: Use a flashlightImage: Paper jammed in carriage path
  5. Close the cartridge access door and printer lid.
  6. Reconnect the power cord from the rear of the printer.
  7. Press the Power button to turn on the printer.
The carriage is docked in its station
Follow these steps if the carriage is docked in its station on the far right side of the printer.
  1. Without moving the carriage, look for and remove any obstructions along the carriage path, such as paper and debris.
  2. Use a flashlight to check for torn pieces of paper that might remain inside the printer. If any torn pieces of paper remain inside the printer, more jams might occur.
    Use a flashlightPaper jammed in carriage path
    Image: Use a flashlightImage: Paper jammed in carriage path
  3. Close the cartridge access door and printer lid.
  4. Reconnect the power cord to the rear of the printer.
  5. Press the Power button to turn on the printer.
  6. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer. Wait until the printer is idle and silent before proceeding.
    WARNING:Do not reach into the cartridge access area when the printer is plugged into an electrical outlet.
    Figure 43: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  7. Disconnect the power cord from the rear of the printer.
  8. Move the carriage to the far left side of the printer.
  9. Look for and remove any obstructions along the far right side of the carriage path, such as paper and debris.
  10. Try to move the carriage to the right and to the left sides of the printer.
    Figure 44: Move the carriage
    Image: Move the carriage.
  11. Close the cartridge access door and printer lid.
  12. Reconnect the power cord from the rear of the printer.
  13. Press the Power button to turn on the printer.
Step three: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Follow these steps to remove the printhead, and then inspect the carriage compartment where the printhead sits.
Step one: Remove the printhead and inspect the carriage compartment where the printhead sits
  1. Press the Power button to turn on the printer if it is not already on.
  2. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer. Wait until the carriage is idle and silent before proceeding.
    Figure 45: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Disconnect the power cord from the rear of the printer.
  4. Unplug the power cord from the wall outlet.
  5. Remove the printhead. You can leave the cartridges in the printhead. Lift the lever on the back right corner of the printhead assembly, and then lift out the printhead.
    CAUTION:Do not touch the electrical contacts or the nozzles on the printhead. Touching these areas can cause electrical failures or print quality problems.
    Figure 46: Do not touch the electrical contacts or nozzles on the printhead
    Image: Do not touch the electrical contacts or nozzles on the printhead
    Figure 47: Remove the printhead
    Image: Remove the printhead.
  6. Put the printhead (with the cartridges still installed) on its side on a clean sheet of paper.
  7. Inside the printer, look for and remove any obstructions from the compartment where the printhead sits.
  8. Grasp the printhead on both sides with the electrical contacts facing the rear of the printer, and then insert the printhead into the carriage.
    Figure 48: Insert the printhead
    Image: Insert the printhead.
  9. Carefully lower the latch handle on the carriage to secure the printhead.
  10. Reconnect the power cord to the rear of the printer.
  11. Press the Power button to turn on the printer.
Step two: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Plug the printer directly into a wall outlet to make sure that the power source functions correctly.
Step one: Plug the printer directly into a wall outlet
  1. Press the Power button to turn off the printer.
  2. Disconnect the power cord from the rear of the printer.
  3. Disconnect the power cord from any power strip or surge suppressor, and plug it directly into the wall outlet.
  4. Reconnect the power cord to the rear of the printer.
  5. Press the Power button to turn on the printer.
Step two: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the test page prints, there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
  • If the issue persists, continue with the next solution.
  • If the test page does not print, continue with the next solution.
Follow these steps to perform a hard reset.
Step one: Perform a hard reset
  1. Press the Power button to turn on the printer if it is not already on.
  2. Disconnect the USB cable from the rear of the printer if it is connected.
  3. Disconnect the power cord from the rear of the printer.
  4. Wait at least 60 seconds.
  5. Reconnect the power cord to the rear of the printer.
  6. Press the Power button to turn on the printer.
Step two: Print a self-test report
Print a self-test report.
How to print a self-test report
  1. Load unused, plain, white paper into the paper tray.
  2. Press and hold the Cancel button () for three seconds, and then release the button. The report prints.
  • If these steps resolved the issue, and the self-test report prints, reconnect the USB cable, and then try to print again. If the self-test report prints with the USB cable attached, you can stop troubleshooting.
  • If the self-test report prints successfully, but you continue to experience an issue with your printer with the USB cable attached, then the issue is not related to the hardware. The issue might be related to your USB cable or computer USB port.
    If you are still experiencing issues, click printer Support Home Page , and then search for another document that relates to the symptoms you are experiencing.
    NOTE:If the page displays in the wrong country/region or language, click the Region - Language link in the upper right corner of your browser. Then you can select the correct country/region and language.
  • If the printer does not print a self-test report, there is an issue with the printer hardware. Continue to the next solution.
If you have completed all the solutions listed above and are still experiencing a problem, continue to the Service the printer section at the end of this document.
The following light pattern displays on the printer control panel:
  • Printhead icon: Blinks
  • Power light: On
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • Cartridge icons: Blink
  • All other lights: Off
Figure 49: The Printhead icon blinks and the Power light is on
Image: The Printhead icon blinks and the Power light is on.
    The printhead is missing, defective, or installed incorrectly.
Important: You must follow these solutions in the order presented to resolve the issue.
Follow these steps to make sure that the printhead is installed correctly.
  1. Press the Power button to turn on the printer, if it is not already on.
  2. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer. Wait until the carriage stops in the center of the printer before you proceed.
    Figure 50: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Disconnect the power cord from the rear of the printer.
  4. Unplug the power cord from the wall outlet.
  5. Remove the printhead. You can leave the cartridges in the printhead. Lift the lever on the back right corner of the printhead assembly, and then lift out the printhead.
    Figure 51: Remove the printhead
    Image: Remove the printhead.
    CAUTION:Do not touch the electrical contacts or the nozzles on the printhead with your hands or fingers. Touching these areas can cause electrical failures or print quality problems. Do not leave the printhead out of the printer for more than a few minutes.
    Figure 52: Do not touch the electrical contacts or nozzles on the printhead
    Image: Do not touch the electrical contacts or nozzles on the printhead
  6. Clean the printhead contacts with a cotton swab.
    Figure 53: Clean the printhead contacts
    Image: Clean the printhead contacts.
    1 - Contacts: Clean
    2 - Nozzle: Do NOT clean
  7. Grasp the printhead on both sides with the electrical contacts facing the rear of the printer, and then insert the printhead into the carriage.
    Figure 54: Reinsert the printhead
    Image: Reinsert the printhead.
  8. Carefully lower the latch handle on the carriage to secure the printhead.
  9. Close the printer lid and cartridge access door.
  10. Reconnect the power cord to the rear of the printer.
  11. Plug the cord back into the wall outlet.
  12. Press the Power button to turn on the printer.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
Follow these steps to replace the printhead.
NOTE:Replacement printhead assemblies are only available from HP Support or authorized service providers. If HP replaces your printhead assembly under warranty, you receive a new printhead assembly and a full set of new cartridges. To avoid startup failures, HP recommends that you use the new cartridges that came with the new printhead.
Important: Do not remove the original printhead until you are ready to install the new printhead. Doing so may result in ink system failures. When you remove the original printhead, insert the new printhead and cartridges within five minutes.
Step one: Remove the cartridges and the printhead
Follow these steps to remove the cartridges and the printhead.
  1. Load unused, plain white paper in the input tray.
  2. Press the Power button to turn on the printer, if it is not already on.
  3. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer. Wait until the carriage stops in the center of the printer before you proceed.
    Figure 55: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  4. Disconnect the power cord from the rear of the printer.
  5. Unplug the power cord from the wall outlet.
  6. Remove the printhead. You can leave the cartridges in the printhead. Lift the lever on the back right corner of the printhead assembly, and then lift out the printhead.
    Figure 56: Remove the printhead
    Image: Remove the printhead.
  7. Put the printhead (with the cartridges still installed) into a plastic bag.
  8. Go to hp.com/recycle for information on recycling the old printhead and cartridges.
Step two: Insert the new printhead
Follow these steps to insert the new printhead into the printer.
  1. Remove the new printhead and cartridges from the plastic packaging.
    CAUTION:Do not touch the electrical contacts or the nozzles on the printhead with your hands or fingers. Touching these areas can cause electrical failures or print quality problems. Do not leave the printhead out of the printer for more than a few minutes.
    Figure 57: Do not touch the electrical contacts or nozzles on the printhead
    Graphic: Do not touch the electrical contacts or nozzles on the printhead
  2. Grasp the printhead on both sides with the electrical contacts facing the rear of the printer, and then insert the printhead into the carriage.
    Figure 58: Insert the new printhead
    Graphic: Insert the new printhead
  3. Carefully lower the latch handle on the carriage to secure the printhead.
Step three: Insert the new cartridges
Follow these steps to insert the new cartridges.
Important: To avoid startup failures, HP recommends you use the new cartridges that came with the new printhead.
  1. Remove the new cartridge from its packaging.
  2. Slide the new cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 59: Insert the cartridge into its color-coded slot
    Illustration of inserting the cartridge into its color-coded slot
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  3. Repeat these steps to insert the other cartridges.
  4. Close the printer lid and cartridge access door.
  5. Reconnect the power cord to the rear of the printer.
  6. Plug the cord back into the wall outlet.
  7. Press the Power button to turn on the printer.
    The printer starts an initialization process, which takes a few minutes. It is normal for the printer to make noises during this process. After the process completes, the printer prints an alignment page.
The following light pattern displays on the printer control panel:
  • Printhead icon: On
  • Power light: On
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 60: The Printhead icon and the Power light are on
Image: The Printhead icon and the Power light are on.
    The printhead is incompatible.
Important: You must follow these solutions in the order presented to resolve the issue.
Follow these steps to make sure that the printhead is installed correctly.
  1. Press the Power button to turn on the printer, if it is not already on.
  2. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer. Wait until the carriage stops in the center of the printer before you proceed.
    Figure 61: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Disconnect the power cord from the rear of the printer.
  4. Unplug the power cord from the wall outlet.
  5. Remove the printhead. You can leave the cartridges in the printhead. Lift the lever on the back right corner of the printhead assembly, and then lift out the printhead.
    Figure 62: Remove the printhead
    Image: Remove the printhead.
    CAUTION:Do not touch the electrical contacts or the nozzles on the printhead with your hand or fingers. Touching these areas can cause electrical failures or print quality problems. Do not leave the printhead out of the printer for more than a few minutes.
    Figure 63: Do not touch the electrical contacts or nozzles on the printhead
    Image: Do not touch the electrical contacts or nozzles on the printhead.
  6. Clean the printhead contacts with a cotton swab.
    Figure 64: Clean the printhead contacts
    Image: Clean the printhead contacts.
    1 - Contacts: Clean
    2 - Nozzle: Do NOT clean
  7. Grasp the printhead on both sides with the electrical contacts facing the rear of the printer, and then insert the printhead into the carriage.
    Figure 65: Reinsert the printhead
    Image: Reinsert the printhead.
  8. Carefully lower the latch handle on the carriage to secure the printhead.
  9. Close the printer lid and cartridge access door.
  10. Reconnect the power cord to the rear of the printer.
  11. Plug the cord back into the wall outlet.
  12. Press the Power button to turn on the printer.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
Follow these steps to replace the printhead.
NOTE:Replacement printhead assemblies are only available from HP Support or authorized service providers. If HP replaces your printhead assembly under warranty, you receive a new printhead assembly and a full set of new cartridges. To avoid startup failures, HP recommends that you use the new cartridges that came with the new printhead.
Important: Do not remove the original printhead until you are ready to install the new printhead. Doing so may result in ink system failures. When you remove the original printhead, insert the new printhead and cartridges within five minutes.
Step one: Remove the cartridges and the printhead
Follow these steps to remove the cartridges and the printhead.
  1. Load unused, plain white paper in the input tray.
  2. Press the Power button to turn on the printer, if it is not already on.
  3. Open the cartridge access door and the printer lid. The carriage moves to the center of the printer. Wait until the carriage stops in the center of the printer before you proceed.
    Figure 66: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  4. Disconnect the power cord from the rear of the printer.
  5. Unplug the power cord from the wall outlet.
  6. Remove the printhead. You can leave the cartridges in the printhead. Lift the lever on the back right corner of the printhead assembly, and then lift out the printhead.
    Figure 67: Remove the printhead
    Image: Remove the printhead.
  7. Put the printhead (with the cartridges still installed) into a plastic bag.
  8. Go to hp.com/recycle for information on recycling the old printhead and cartridges.
Step two: Insert the new printhead
Follow these steps to insert the new printhead into the printer.
  1. Remove the new printhead and cartridges from the plastic packaging.
    CAUTION:Do not touch the electrical contacts or the nozzles on the printhead with your hand or fingers. Touching these areas can cause electrical failures or print quality problems. Do not leave the printhead out of the printer for more than a few minutes.
    Figure 68: Do not touch the electrical contacts or nozzles on the printhead
    Image: Do not touch the electrical contacts or nozzles on the printhead
  2. Grasp the printhead on both sides with the electrical contacts facing the rear of the printer, and then insert the printhead into the carriage.
    Figure 69: Insert the new printhead
    Image: Insert the new printhead
  3. Carefully lower the latch handle on the carriage to secure the printhead.
Step three: Insert the new cartridges
Follow these steps to insert the new cartridges.
Important: To avoid startup failures, HP recommends you use the new cartridges that came with the new printhead.
  1. Remove the new cartridge from its packaging.
  2. Slide the new cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 70: Insert the cartridge into its color-coded slot
    Illustration of inserting the cartridge into its color-coded slot
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  3. Repeat these steps to insert the other cartridges.
  4. Close the printer lid and cartridge access door.
  5. Reconnect the power cord to the rear of the printer.
  6. Plug the cord back into the wall outlet.
  7. Press the Power button to turn on the printer.
    The printer starts an initialization process, which takes a few minutes. It is normal for the printer to make noises during this process. After the process completes, the printer prints an alignment page.
The following light pattern displays on the printer control panel:
  • Power light: On
  • Cartridge icons: One or more blink
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 71: The Power light is on and one or more of the cartridge icons blink
Image: The Power light is on and one or more of the  cartridge
icons blink.
    The issue could be caused by one of the following reasons:
    • One or more of the cartridges are missing.
    • A duplicate cartridge is installed.
    • One of more of the cartridges are installed incorrectly.
    • The printer is in Reserve mode.
Important: You must follow these solutions in the order presented to resolve the issue.
If you see a Reserve mode message on your computer, skip to the solution in this section to Replace the indicated cartridge.
Follow these steps to insert any missing cartridges.
  1. Press the Power button to turn on the printer.
  2. Open the cartridge access door and the printer lid. The carriage moves to the middle of the printer. Wait until the carriage is idle and silent before proceeding.
    Figure 72: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Confirm which cartridges are missing.
  4. Slide the cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 73: Insert the cartridge into its color-coded slot
    Image: Insert the cartridge into its color-coded slot.
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  5. Make sure that all the cartridges are installed correctly.
    All cartridges must be seated correctly in the printhead assembly. If one cartridge sticks out farther than another, it is incorrectly installed. Make sure that you push the cartridge forward into the printhead again until it clicks into place.
  6. Close the printer lid and the cartridge access door.
Follow these steps to make sure that there are no duplicate cartridges installed.
Step one: Check for duplicate cartridges
  1. Press the Power button to turn on the printer.
  2. Open the cartridge access door and the printer lid. The carriage moves to the middle of the printer. Wait until the carriage is idle and silent before proceeding.
    Figure 74: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Make sure that all the cartridges are installed correctly.
    All cartridges must be seated correctly in the printhead assembly. If one cartridge sticks out farther than another, it is incorrectly installed. Make sure that you push the cartridge forward into the printhead again until it clicks into place.
  4. Make sure that there are no duplicate cartridges installed. The colored dot on each cartridge should match the colored dot on the slot.
    Figure 75: Cartridges installed with colored dots matching the colored dots on the slots
    Image: Cartridges installed with colored dots matching the colored dots on the slots.
  5. If there are any duplicate cartridges installed, continue to the next step to replace the duplicates with the correct cartridges.
Step two: Replace any duplicate cartridges
CAUTION:HP recommends that you wait until you have the correct cartridges available before removing any duplicate cartridges. After you remove a duplicate cartridge, insert the correct cartridge within a few minutes to avoid possible damage to the ink system.
Which cartridges you use might depend on your country/region. Follow these steps to purchase cartridges or check cartridge compatibility for your printer using HP SureSupply.
  1. Scroll to the bottom of the page and make sure that the country/region location is correct.
NOTE:For the United States only, go to the HP Home & Home Office Store .
Genuine HP cartridges can also be purchased from other retailers.
  1. Push the duplicate cartridge inward to release it, and then pull it toward you to remove it from its slot.
    Figure 76: Remove the duplicate cartridge from its slot
    Image: Remove the duplicate cartridge.
  2. If the correct cartridge is new, first remove the packaging.
  3. Slide the cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 77: Insert the cartridge into its color-coded slot
    Image: Insert the cartridge into its color-coded slot.
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  4. Close the printer lid and the cartridge access door.
Follow these steps to replace the cartridges indicated on the control panel.
CAUTION:HP recommends that you wait until you have a new cartridge available before removing the old cartridge. After you remove an old cartridge, insert a new cartridge within a few minutes to avoid possible damage to the ink system.
Which cartridges you use might depend on your country/region. Follow these steps to purchase cartridges or check cartridge compatibility for your printer using HP SureSupply.
  1. Scroll to the bottom of the page and make sure that the country/region location is correct.
NOTE:For the United States only, go to the HP Home & Home Office Store .
Genuine HP cartridges can also be purchased from other retailers.
  1. Press the Power button to turn on the printer.
  2. Open the cartridge access door and the printer lid. The carriage moves to the middle of the printer. Wait until the carriage is idle and silent before proceeding.
    Figure 78: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Push the old cartridge inward to release it, and then pull it toward you to remove it from its slot.
    Figure 79: Remove the cartridge from its slot
    Image: Remove the cartridge.
  4. Remove the new cartridge from its packaging.
  5. Slide the new cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 80: Insert the cartridge into its color-coded slot
    Image: Insert the cartridge into its color-coded slot.
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  6. Repeat these steps for other cartridges that you want to replace.
  7. Make sure that all the cartridges are installed correctly.
    All cartridges must be seated correctly in the printhead assembly. If one cartridge sticks out farther than another, it is incorrectly installed. Make sure that you push the cartridge forward into the printhead again until it clicks into place.
  8. Close the printer lid and the cartridge access door.
The following light pattern displays on the printer control panel:
  • Power light: Blinks
  • Cartridge icons: One or more blink
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 81: The Power light blinks and one or more of the cartridge icons blink
Image: The Power light  blinks and one or more of the  cartridge
icons blink.
    One or more of the cartridges are faulty, need attention, incorrect, damaged, or incompatible.
Important: You must follow these solutions in the order presented to resolve the issue.
Which cartridges you use might depend on your country/region. Follow these steps to purchase cartridges or check cartridge compatibility for your printer using HP SureSupply.
  1. Scroll to the bottom of the page and make sure that the country/region location is correct.
NOTE:For the United States only, go to the HP Home & Home Office Store .
Genuine HP cartridges can also be purchased from other retailers.
Follow these steps to check the cartridges indicated on the control panel.
  1. Press the Power button to turn on the printer.
  2. Open the cartridge access door and the printer lid. The carriage moves to the middle of the printer. Wait until the carriage is idle and silent before proceeding.
    Figure 82: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Push the indicated cartridge inward to release it, and then pull it toward you to remove it from its slot.
    Figure 83: Remove the cartridge from its slot
    Image: Remove the cartridge.
  4. Check the cartridge.
    • If the cartridge is incorrect, damaged, or incompatible, skip to the next solution to Replace the indicated cartridge.
    • If the cartridge is not incorrect, damaged, or incompatible, continue to the next step.
  5. Slide the cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 84: Insert the cartridge into its color-coded slot
    Image: Insert the cartridge into its color-coded slot.
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  6. Repeat these steps for other indicated cartridges.
  7. Close the printer lid and the cartridge access door.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
  1. Press the Power button to turn on the printer.
  2. Open the cartridge access door and the printer lid. The carriage moves to the middle of the printer. Wait until the carriage is idle and silent before proceeding.
    Figure 85: Open the cartridge access door and the printer lid
    Image: Open the cartridge access door and the printer lid.
  3. Push the old cartridge inward to release it, and then pull it toward you to remove it from its slot.
    Figure 86: Remove the cartridge from its slot
    Image: Remove the cartridge.
  4. Remove the new cartridge from its packaging.
  5. Slide the new cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 87: Insert the cartridge into its color-coded slot
    Image: Insert the cartridge into its color-coded slot.
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  6. Repeat these steps for other cartridges that you want to replace.
  7. Close the printer lid and the cartridge access door.
The following light pattern displays on the printer control panel:
  • Power light: On
  • Resume light: Blinks
  • Cartridge icons: Blink
  • ePrint light: On or off, depending on the connection status
  • Wireless light: On or off, depending on the connection status
  • Wired network (Ethernet) light: On or off, depending on the connection status
  • Wireless network light: On or off, depending on the connection status
  • All other lights: Off
Figure 88: The Power light is on, the Resume light blinks, and one or more cartridge icons blink
Image: The Power light is on, the Resume light blinks, and one or more
cartridge icons blink.
    The following reasons can cause the issue:
    • One or more of the cartridges is depleted and need to be replaced.
    • Refilled cartridges are installed.
    • There was not enough ink during start up.
    • The printer is in Reserve mode.
    • Counterfeit ink is detected.
Have genuine HP replacement cartridges ready, and then replace the indicated cartridge.

Video of replacing the cartridges

The following video demonstrates how to replace a print cartridge.
NOTE:Ink level warnings and indicators provide estimates for planning purposes only. When an indicator shows low-ink levels, consider having a replacement cartridge available to avoid possible printing delays. You do not need to replace cartridges until print quality becomes unacceptable.
Which cartridges you use might depend on your country/region. Follow these steps to purchase cartridges or check cartridge compatibility for your printer using HP SureSupply.
  1. Scroll to the bottom of the page and make sure that the country/region location is correct.
NOTE:For the United States only, go to the HP Home & Home Office Store .
Genuine HP cartridges can also be purchased from other retailers.
Follow these steps to replace one or more cartridges in your HP product.
CAUTION:HP recommends that you wait until you have a new cartridge available before removing the old cartridge. After you remove an old cartridge, insert a new cartridge within a few minutes to avoid possible damage to the ink system.
  1. Press the Power button () to turn on the product.
  2. Open the cartridge access door and the product lid. The carriage moves to the middle of the product. Wait until the carriage is idle and silent before proceeding.
    Figure 89: Open the cartridge access door and the product lid
    Image: Open the cartridge access door and the product lid.
  3. Push the old cartridge inward to release it, and then pull it toward you to remove it from its slot.
    Figure 90: Remove the cartridge from its slot
    Image: Remove the cartridge.
  4. Remove the new cartridge from its packaging.
  5. Slide the new cartridge into its slot, and then gently push it forward until it clicks into place.
    NOTE:Make sure that the colored dot on the cartridge label matches the colored dot on the slot.
    Figure 91: Insert the cartridge into its color-coded slot
    Image: Insert the cartridge into its color-coded slot.
    CAUTION:Do not lift the latch handle on the carriage to insert cartridges. Doing so could cause the printhead or cartridges to be incorrectly seated, which could damage the print mechanism and cause printing problems.
  6. Repeat these steps for other cartridges that you want to replace.
  7. Close the product lid and the cartridge access door.

Service the printer

These steps apply to Asia Pacific.
If you have completed all the preceding steps and are still experiencing a problem, you may need further assistance from HP to remedy your concern.
Please contact HP using one of the options found in Contact HP.
HP Officejet Pro 8100 ePrinter - N811a N811d

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