How to replace CN642A and CN643A HP printhead ?

Here are the steps to replace HP printhead CN642A  and CN643A:


Step 1:
Switch on the printer.
Open the cover and wait until the carriage stopped

Step 2:
remove all the cartridges

Step 3:
Unlock the printhead.

Remove the printhead

Step 4:
Clean the contacts on the carriage.

Step 5:
Install the new printhead

Lock down the printhead.

Step 6:
Install the new cartridges.
Close the cover

Download Full.zip	Download Full .rar	Download Full .iso
Download click to begin 100.2MB .zip	Download click to begin 105.6MB .zip	Download click to begin 117.3MB .zip

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