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Cleaning Clogged Nozzles, Print Cartridge and Ink Cartridge contacts on the HP 51629A, 51649A, and C1816A Inkjet Print Cartridges

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Introduction

This document explains how to clean the printer contacts and ink cartridge contacts and removing the bearded or crusted ink on the nozzles of the HP 51629A, HP 51649A, or C1816A Inkjet Cartridges.

Instructions

Follow the steps provided below:
WARNING: Keep new and used ink cartridges out of the reach of children.
CAUTION: Once you have removed the ink cartridges, make sure that they are not outside of the printer for more than 30 minutes.
NOTE: Use clean distilled water to moisten the soft, lint-free clothes; If distilled water is not available, then use clean luke-warm tap water to moisten the lint-free cloth. Whenever possible, use distilled water to moisten the lint-free cloth.

Cleaning the printer contacts and ink cartridge contacts.

Before starting, make sure you have a damp, soft, lint-free clean cloth.
  1. Turn the printer on and open the printer's lid. The ink cartridge cradle (carriage) should move toward the middle of the printer.
  2. Unplug the small black power cord from the back of the printer.
  3. To clean the ink cartridge contacts, remove the color ink cartridge.
  4. Use a clean, damp, lint-free cloth that is soft. Locate the copper-colored flex circuit strip on the back of the cartridge and wipe the copper-colored strip with the damp cloth. Use an upward motion, from the nozzle end to the top of the cartridge. Do not wipe the nozzle end of the cartridge or touch the gold or silver nozzle plate on the bottom of the cartridge. Use a dry, lint-free cloth to remove any moisture from the copper-colored strip.
  5. Use a clean, damp, lint-free cloth that is soft to clean the electrical contacts inside the carriage. Use a dry, lint-free cloth to remove any moisture from the copper-colored strip. If the carriage contacts show noticeable damage, contact the HP Customer Care Center listed in your printer's User's Guide.
  6. Reinstall the color ink cartridge into the carriage.
  7. Repeat Steps 3 through 6 with the black ink cartridge.
Grasp the print cartridge by the colored cap. Using a damp, lint-free cloth moistened with clean distilled water, gently and slowly wipe off the dried ink off of the print cartridge nozzles into a trash container. Once again, gently and slowly wipe the residual ink off of the nozzle plate with a clean cotton swab.
Before reinserting the cleaned cartridges into the HP Printer, Scanner, Copier 300 series, clean the service station.
CAUTION: Use a light force when cleaning the print cartridge capping station. A heavy force may unseat the caps, eventually causing damage to the print cartridges.
Using a clean, damp lint-free cloth lightly moistened with clean distilled water, clean wiper 1 and the top surface of cap 1. Using a clean, damp lint-free cloth lightly moistened with distilled water, clean wiper 2 and the top surface of cap 2.
Replace the two ink cartridges into their respective carriage slots, then snap them into proper position within print cartridge carriage.
Turn the power back on and let the HP Printer, Scanner, Copier cycle through the start-up sequence.
Use the Clean Print Cartridge feature. Within the HP Printer, Scanner, Copier 300 Manager dialogue window, click Settings,Settings and Maintenance, Maintenance Tab, Clean Print Cartridge button; to begin the cleaning of the HP 51629A/G(or HP C1816A) and HP 51649A/G ink cartridges. This will automatically run the Clean Print Cartridge sequence for both ink cartridges and print out the Clean Print Cartridge test page.
Try printing the print job once again.

SUMMARY:

Several factors may be responsible for clogged nozzles.
  1. Ink Cartridge(s) left out of the printer or proper storage container.
  2. Turning off the HP Printer, Scanner, Copier too soon. If the ink cartridge(s) has not returned to the service station on the right hand side of the HP Printer, Scanner, Copier, the ink cartridge may leak or beard.

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