HP 1055CMHP - Manual (Page 72)

HP No.80 Ink Supplies Troubleshooting
3-16
HP DesignJets 1050C and 1055CM Printers Service Manual
Reseat The printhead has moved slightly and is not making good electrical
contact with the carriage assembly. Reseat the printhead into the
correct position. This situation must be corrected before the printer
will operate.
1 Reseat the Printhead in the correct position.
2 Clean the Carriage and Printhead flex circuits using the Carriage
Interconnect Wiper
⇒
Page 3-18
.
3 Replace the Printhead.
4 Perform the Electronic Systems Test
⇒
Page 4-5
.
NOTE If all 4 Printheads have the Status "Reseat", it is possible that the
Carriage Assembly is faulty.
Faulty The smartchip on the printhead is not correct or the digital
communications between the Carriage and the Printhead is
incorrect. This situation must be corrected before the printer will
operate.
1 Reseat the Printhead.
2 Clean the Carriage and Printhead flex circuits using the Carriage
Interconnect Wiper
⇒
Page 3-18
.
3 Replace the Printhead.
4 Perform the Electronic Systems Test
⇒
Page 4-5
.
NOTE If all 4 Printheads have the Status "Faulty", it is possible that the
Carriage Assembly is faulty.
Wrong Model The printer does not recognize the printhead or printhead cleaner
that you have inserted into the printer. You will have to remove it
before the printer can continue.
CAUTION 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.
Unknown The Printhead installed is not approved and must be replaced by a
genuine HP No.80 Printhead.