HP 1055CMHP - Manual (Page 73)

HP No.80 Ink Supplies Troubleshooting
3-17 HP DesignJets 1050C and 1055CM Printers Service Manual
Summary of Solving HP No.80 Supplies Problems
Most of the problems that you could encounter when working with
the HP No.80 supplies are solved with guidance from the front
panel. A full list of front messages are supplied in the Users Guide.
Problems reseating the printhead
If you have inserted the printhead into the printhead carriage
assembly and the printer does not “BEEP” try the following steps.
NOTE Check that during the priming process, the Setup Printheads are
installed in the Carriage. If the printing Printheads are installed
in the carriage during the priming process, they will be rejected
and the front panel will show the "Wrong Model" message.
n Check that you have removed the protective tape from the printhead.
n Insert the printhead into the carriage assembly but this time close
the cover using the latch.
n Clean the electrical contacts on both the printheads and the
printhead carriage assembly using the carriage interconnect wiper
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n Replace the printhead with a new one.
You Cannot Insert the Ink Cartridge Into the Printer
1 Ensure that you have the correct HP No.80 ink cartridge.
2 Ensure that the Ink Cartridge is the correct color for that slot.
3 Ensure that the Ink Cartridge is the correct orientation, with the
color coded label at the top.
CAUTION Never clean inside the ink cartridge slots.
You Cannot Insert the Printhead Into the Printer
1 Ensure that you have the correct HP No.80 printhead.
2 Ensure that the printhead is the correct color for that slot.
3 Ensure that the printhead is the correct orientation.
4 Ensure that the protective cap is removed from the Printhead.
You Cannot Insert the Printhead Cleaner Into the Printer
1 Ensure that you have the correct HP No.80 printhead cleaner.
2 Ensure that the printhead cleaner is the correct color for that slot.
3 Ensure that the printhead cleaner is the correct orientation.