How To Clean Printhead In Hp 8500 Manualyy

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HP Officejet Pro 8500 All-in-I and 8500A eAll-in-One Printer Series - Cleaning the Printhead Contacts

Introduction

This document provides instructions for cleaning the electrical contacts on the printheads and inside the production.

HP recommends this procedure for troubleshooting fault weather, such as error messages or blinking lights on the command panel. Do not clean the contacts equally a matter of routine or without beingness instructed to do so.

Cleaning the printhead contacts

Follow these steps to clean the electrical contacts on the printheads and inside the product.

Stride one: Make clean the contacts on the printhead

circumspection:
Electric contacts comprise sensitive electronic components that impairment easily.

Get together the following materials:
- Dry, soft, lint-free cleaning cloths (coffee filters and eyeglass-cleaning cloths piece of work well)
- Paper towels or make clean sheets of paper
Elevator the carriage-access door. The door rests in an open position.

Figure : Lift wagon-admission door
Press and hold the * push for five seconds. The railroad vehicle moves to the left side of the product.
Unplug the power cord from the rear of the product.

Figure : Unplug the ability cord from the rear of the product
Inside the product, lift the blue printhead latch.

Effigy : Elevator the printhead latch
Lift the handle of the printhead, and then pull the printhead out of its slot.
Hold the printhead by its sides, and wipe the electrical contacts on the printhead with the textile. Do not impact the nozzles.

circumspection:
Do non use water or other cleaning materials.

Do not bear on the nozzles on the printhead.
Ready the printhead on a sheet of paper or paper towel with the nozzles facing upwards.
If necessary, repeat these steps to print the other printhead.

Step two: Clean the contacts inside the All-in-One

With a fresh cloth, wipe the electrical contacts inside the carriage.

Figure : Wipe the contacts within the wagon
Plug in the ability cord to the rear of the product.
Printing the Power button () to turn on the production, if it does not turn on automatically. The message 'Printhead missing' displays on the control console.
Hold the printhead by its sides with the nozzles toward the product, so insert the printhead into its colour-coded slot.
- Insert the Black/Xanthous printhead into the slot on the left.
- Insert the Magenta/Cyan printhead into the slot on the right.
Figure : Insert the printhead into its slot
Repeat these steps to insert the other printhead into its color-coded slot.
Pull the blue printhead latch all the way forward, and then press downwards to fully engage the latch. You might have to apply some pressure level to engage the latch.

Figure : Lower the printhead latch
Shut the production lid.

Effigy : Close the product hat
Wait for the production to initialize the printheads and print an alignment page. This process takes about 20 seconds.

Effigy : The product prints an alignment page