HP designjet l65500 Manuale Di Servizio
Tr
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Troubleshooting
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If not, perform again the Printhead cleaning roller. The details of the static wipe are described below:
Functionality Check
Restart the printer in diagnostic boot mode and perform the following tests:
•
7.1 Printhead Roll Adv Open Loop, include the test of the Electromechanical break.
•
7.2 Printhead Roll Adv Close Loop, to test the advance of the Printhead cleaning material
•
7.4 Printhead Roll Eng Close Loop, to test the engage movement (up/down movement of the
Printhead cleaning roller).
in case of intermittent failure of the Printhead cleaning roller check that the greasing is
correctly applied (up/down movement, too much friction).
In this case of intermittent movement failure of the Printhead cleaning roller, a greasing of the Printhead
cleaning roller is recommended.
Here are the different items to grease (removal of the Printhead cleaning roller is required, printer has to
be switched off first.
The grease to use should be compatible with plastic and metal, as in Molicote 44. In case of
any doubt, order the support part ‘Q6702-67013 Grease kit for the PH cleaning roller’.
What to do before replacing a printhead
If the printhead is experiencing a one time fault, use the following procedure to troubleshoot the error
before replacing it.