HP Designjet T120 - Page 65

System error: 59.2:19
Problem description: An unsupported or reused part has been installed
Other potential parts
associated:
None
Corrective action: Onsite troubleshooting and solution (service engineer)
1. The error appears if, during a service operation, the Main PCA or the Ink Cartridge
Cover Sensor PCA are replaced by a reused part (not a new spare part).
2. To recover, do the repair using HP genuine new spare parts.
System error: 79:XX
Problem description: Generic Printer Error
Other potential parts
associated:
None
Corrective action: Turn the printer off and on again.
System error: 85.1:10
Problem description: Feed index encoder sensor does not work properly
Other potential parts
associated:
Main PCA, Feed Encoder Disk
Corrective action: Remote troubleshooting (call agent)
1. Switch off the printer, and disconnect the power cord. Reconnect the power cord and
power on the printer.
2. The call agent should arrange a service engineer visit to change the Feed Index PCA and
follow onsite troubleshooting below.
◦
Feed Index encoder sensor PCA  CQ890-67020
3. If a different system error is displayed then the call agent should perform the applicable
troubleshooting procedure.
Onsite troubleshooting and solution (service engineer)
1. Remove the covers and check that all the cables are well connected to the Main PCA,
and none of them are damaged. If any cable is not connected then reconnect it, and
power on the printer again to check whether the system error has disappeared.
Important note: If any cable is damaged then order a Cable Service Kit.
◦
Cables Sk  CQ890-67021
2. Replace the Feed Index Encoder Sensor PCA, see
Encoder PCA and Index on page 213
◦
Feed Index encoder sensor PCA  CQ890-67020
3. Check that the Encoder Disk is not dirty or damaged. If the Encoder Disk is damaged, it
should be replaced, see
Encoder Disk on page 217.
◦
Encoder Disk CQ890-67033
System error: 85.2:10
ENWW
System error codes
57