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Ink Supplies Troubleshooting
HP Designjet 4000/4020 Printer Series Service Manual
Carriage Interconnect Wiper
The Carriage Interconnect Wiper is part of the Maintenance Kit
which can be ordered using Part Number Q1271-60420. All
the instructions needed to use the Carriage Interconnect Wiper
will be packaged with the kit.
Whenever you replace the Printhead, check the empty slots to see if they
need cleaning. In extreme circumstances, when a Printhead is inserted, it is
possible that the Printer will not recognize it due to the build-up of ink on the
electrical connection between the Printhead and the Carriage Assembly.
Included with the HP Designjet Printer, is a Carriage Interconnect Wiper. This
tool is provided in a separate package. It also contains replacement
sponges and an instruction sheet. This tool should be used for cleaning the
electrical interconnects of both the Carriage Assembly and the Printhead.
If the front panel displays the message “Reseat” or "Replace" next to the
offending printhead, try cleaning the flex circuits of the Carriage and the
Printheads.
Do not touch, wipe or attempt to clean the printhead nozzles.
This can damage the printhead and reduce print quality.
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