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HP Photosmart C4480 All-in-One Printer support

The HP Printer Won't Turn On or Respond When the Power Button is Pressed

  • PrintPrint

Issue

The printer won't turn on or respond when you press the power button. There are no light indications, no error messages, no noise, and no movement from the printer.

Video: HP printer won't turn on or respond when you push the power button

This video shows what to do when you push the Power button ( ) on your product, and the product does not turn on or respond.
If you have trouble viewing the video or to view the video in a different size, click here to play the video on YouTube.

Solution one: Plug the printer directly in a wall outlet

If you are using a surge protector, extension cable, or power strip, follow these steps to plug the printer directly into a wall outlet to make sure that the power source functions correctly.
NOTE:If you own a mobile printer and were using battery power, make sure that the battery is fully charged.
  1. Unplug the power cord from any surge protector, extension cable, or power strip.
  2. Plug the power cord directly into a wall outlet.
  3. 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.

Solution two: Make sure that the wall outlet works

  1. Unplug the power cord from the wall outlet.
  2. Plug another appliance into the wall outlet to make sure that the outlet works.
    • If the wall outlet does not work , plug the printer into another outlet that does work.
    • If the wall outlet works and the printer still does not turn on , continue to the next solution.

Solution three: Make sure that the power supply is compatible with the printer

Follow these steps to identify your power supply type, and then make sure that your printer and power supply are compatible. HP recommends that you use the original power supply shipped with your printer.
Depending on the HP printer model, your power supply
The term 'power supply' applies to both the power module and the power cord.
might include an internal or external power module, which might or might not be replaceable. The power cord might plug directly into the printer from the wall outlet or to an external module from the wall outlet, depending on the power supply type.
Power cord examples
Example power cordExample power cord
In this example, the power cord plugs into an external module from the wall outlet.In this example, the power cord plugs directly into the printer from a wall outlet.

Step one: Identify your power supply type

Review the following table to identify your power supply type.
Power supply typesWhat to do next
External, replaceable power module

Image: External power module

NOTE:The power module might have a permanently attached power cord, or the power cord might detach from the power module.
If you have an external power module , continue to the next step.
Internal power module in the rear of the printer

Image: Internal power module in the rear of the printerExample of an internal, replaceable power module in the rear of the printer
Make sure that the power cord that shipped with the printer is securely connected to the printer and power outlet, and then click this link to continue to Reset the power module, and then test the power .
Internal, replaceable power module in the cartridge access area

Image: Internal power module in the cartridge access area

NOTE:An internal, non-replaceable power module does not have an indicator light.
Make sure that the power cord that shipped with the printer is securely connected to the printer and power outlet, and then click this link to continue to Reset the power module, and then test the power .
Internal, non-replaceable power module

Internal, non-replaceable power module

NOTE:An internal, non-replaceable power module does not have an indicator light.
Make sure that the power cord that shipped with the printer is securely connected to the printer and power outlet, and then click this link to continue to Reset the power module, and then test the power .

Step two: Check external power module compatibility

Follow these steps to make sure your external power module is compatible with the printer.
  1. Make sure that the voltage and amperage specifications printed on the power module match the voltage and amperage specifications on the printer.
    NOTE:These specifications are also in the printer user guide or on the HP website. Click here to go to the support page for your printer to find these power specifications.
    Voltage and amperage specifications on an external power moduleVoltage and amperage requirements on an HP printer
    Image: Voltage and amperage specifications printed on the external power moduleImage: Voltage and amperage requirements printed on the HP printer
    In this example, the voltage (+32 V) and the amperage (2000 mA) from the power supply is compatible with the voltage and amperage specified on the HP printer.
  2. If the voltage and amperage specifications between the printer and the power supply are compatible, make sure that the connector on the power cord is the same shape and color as the connector on the HP printer.
    WARNING:Do not force a power cord into an HP printer that is incompatible with the HP printer (different shape or size).
  • If the power supply is compatible with the printer, but the printer still does not turn on, continue to the next solution.
  • If the power supply is not compatible with the printer, contact HP to replace the power supply with a compatible power cord or power module.
Click Contact HP on this page for more support options.

Solution four: Reset the power module, and then test the power

Follow these steps to reset the power module, and then test the power.

Step one: Reset the power module

The power module has a safety feature inside that protects the printer during a power surge. If you experienced a recent power surge, the power module might need to be reset. Use the following steps to reset the power module.
  1. Disconnect the power cord from the rear of the printer.
  2. Unplug the power cord from the wall outlet, power strip, or surge protector.
  3. If the printer uses a power module with a detachable power cord, disconnect the cord from the power module.
  4. Wait 15 seconds.
  5. If the printer uses a power module with a detachable power cord, reconnect the power cord to the power module.
  6. Reconnect the power cord to the rear of the printer.
  7. Plug the power cord directly into a wall outlet. Do not use a power strip or surge protector.
  8. Check to see if the power module or the power cord has an indicator light and if it is on.
    NOTE:Not all external modules or cords have an indicator light.
    Figure 1: Indicator light on an external power module
    Image: Indicator light on an external power module
    Figure 2: Indicator light on a power cord
    Image: Indicator light on a power cord
  9. Depending on the indicator light status, choose one of the following options:
    • If the power module indicator light was on prior to connecting to the printer but turned off once connected to the printer, continue to Service the printer at the end of this document.
    • If the indicator light is on , continue to the next step.
    • If the indicator light is off , continue to the next step.
  1. Disconnect the power cord from the rear of the printer.
  2. Unplug the power cord from the wall outlet, power strip, or surge protector.
  3. Wait 15 seconds.
  4. Reconnect the power cord to the rear of the printer.
  5. Plug the power cord directly into a wall outlet. Do not use a power strip or surge protector.
  6. Check to see if the power module has an indicator light.
    Figure 3: Indicator light on in the rear of the printer
    Image: Indicator light on in the rear of the printer
    Figure 4: Indicator light on in the cartridge access area
    Image: Indicator light on in the cartridge access area
    NOTE:An internal, non-replaceable power module does not have an indicator light.
  7. Continue to the next step.

Step two: Test the power on the printer

Follow these steps to test the power on the printer.
  1. Make sure that the power cord is connected to the rear of the printer and directly into a wall outlet.
  2. Press and quickly release the Power button to start a Power On/Off cycle. Do not hold the button down.
    Figure 5: Press and quickly release the Power button
    Image: Press and quickly release the Power button
    If you press and hold the Power button too long, the printer might turn on and then off without restarting. If this happens, press and quickly release the Power button again.
  • If these steps resolved the issue , you can stop troubleshooting.
  • If the issue persists , choose one of the following options:
    • If the indicator light on the power module is off , continue to the next solution.
    • If the indicator light on the power module is on and the printer still does not turn on, continue to Service the printer at the end of this document.
    • If the printer has an internal, non-replaceable power module , continue to the next solution.

Solution five: Test the power with a compatible power cord from a different printer

If you have another available power cord that is compatible with your printer, use the alternate cord to repeat the steps in the solution to Reset the power module and test the power .
  • If these steps resolved the issue , you can stop troubleshooting.
  • If the printer turns on with the alternate power cord, the original power cord caused the issue. Contact HP to replace the power cord.
Click Contact HP on this page for more support options.
  • If the issue persists , choose one of the following options:
    • If the printer has an internal, non-replaceable power module , continue to the solution to Service the printer .
    • If the printer does not turn on with the alternate power cord and the power module indicator light is off , continue to the next solution.

Solution six: Check the battery and power cord (HP mobile printers only)

If your printer has a battery, follow these steps to check for a problem with the printer battery or power cord. If your printer does not have a battery, skip to the next solution.
Important : Make sure that the battery is charged before attempting these steps. Leaving the battery installed and the power cord connected, allow the battery to charge for at least one hour before troubleshooting.

Step one: Check if the printer turns on without the battery

  1. Make sure to leave the power cord connected, and then remove the battery from the rear of the printer.
    Figure 6: Example of removing the battery
    Image: Removing the battery
    1 - Slide the battery release slider in the direction of the arrow
    2 - Remove the battery
  2. Turn on the printer without the battery using the power button.
    • If the printer turns on with the battery removed , replace the battery.
    • If the printer still does not turn on , continue to the next step.

Step two: Check if the printer turns on using only the battery

  1. Re-install the battery.
    Figure 7: Example of installing the battery
    Image: Reinstall the battery.
    1 - Slide the battery into the battery slot at an angle
    2 - Push the battery into the battery slot until it clicks into place
  2. Disconnect the power cord from the rear of the printer.
  3. Press the Power button to turn on the printer.
    • If the printer turns on with only the battery connected , replace the power cord.
    • If the printer still does not turn on , continue to the next solution.

Solution seven: Replace the power module

If the indicator light on the power module is off, or if the power module does not have an indicator light, and you have tried all of the proceeding solutions, contact HP to replace the power module.
Important! Do not replace a power module when an indicator light is lit on the module.
Click Contact HP on this page for more support options.
  • If these steps resolved the issue , you do not need to continue troubleshooting.
  • If the issue persists , continue to the next solution.

Solution eight: Service the printer

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 Photosmart C4480 All-in-One Printer

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