Problem description:
Feed 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 encoder sensor
PCA.
◦
Feed 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 Encoder Sensor PCA , see
Encoder PCA and Index on page 213.
◦
Feed 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: 87:10
Problem description: Encoder Strip failure
58 Chapter 2 Troubleshooting ENWW
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