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How to handle Print heads

How to handle Print heads

The print head is sophisticated and must be careful when handling.  The advice from Epson on their handling is as follows:

Do not touch, wipe, or attempt to clean the printhead nozzles with your hands. This may damage the printhead or clog the nozzles Do not place the printhead down on the nozzles.

Do not handle the print heads roughly – always place them down gently.

Avoid dropping the print heads – proper handling will extend and ensure optimum print head performance throughout its lifespan.

How to clean up the printer head

The print heads and/or print head carriage contacts may gather foreign material that can cause continuity problems.  The process for cleaning print heads and print head carriage contacts as set out by Epson for Designjet 500, 510, and 800 printers are as follows (although the basic cleaning and principles apply to all person Designjet large format printers):

1. Switch the printer off, then on


Allow printer to complete initialisationUsing the Down Arrow Key, scroll to the Ink Menu (ink drop icon) and press enter scroll to Replace Print heads and press enter.

2. Open the top cover

3. Open the carriage cover and remove all print heads

4. Unplug the power cable from the rear of the printer

Clean the electrical contacts on the carriage and the print heads using a lint-free cloth (such as a coffee filter or eye-glass cleaning cloth), where required lightly dampen the cloth with water (don’t use tap water which may contain contaminants but distilled or bottled water) and set the printhead down onto a sheet of paper or paper towel with nozzles facing up.

CAUTION:  Do not clean the print head nozzle plate (see image below) doing so may cause permanent damage to the print head.

When the contacts are dry, reinstall the print heads and close the carriage cover – don’t leave the print head out of the printer for more than 30 minutes.

5. Close the top cover

Plug in the power cable, turn the printer on, and attempt to verify the functionality.

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