Xerox COLORQUBE 8870

October 2012
2-29
ColorQube 8570/8870 Service Manual
91,610, 91,710 ~ 91,716, 94,704
Fault Messages and Codes
Xerox Internal Use Only - Revised, 3rd Revision
91,610 Printhead Calibration Fault
A Printhead Calibration error has occurred. The following troubleshooting procedure applies to
this error.
Initial Actions
• Reboot the printer and verify the error persists.
• Check the Printhead wiring harness connectors.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Printhead Assembly, PL 2.1 Item 3
• Wave Amp, PL 5.1 Item 9
• Cable, ZIF, Wave Amp Drive, PL 5.1 Item 19
• Cable, Printhead Interface, PL 5.1 Item 20
Wiring and Plug/Jack References (Chapter 7 - Wiring Data)
• Figure 2, Wave Amplifier, Printhead
• Figure 6, Printhead P/J Locations
Procedure
Check the Printhead wiring harness connectors P/J180 and P/J240.
Release the Printhead end of the cable and carefully examine the conductor ends (a magnifier
helps) to see that they are not cracked or torn. If the cable looks good, carefully reinstall it
using a ZIF tool (refer to REP 2.3 for how to use the ZIF tool for unlocking/locking the ZIF cable
connector).
NOTE: Failure to properly unlock the connector will damage the cable.
Are the connections secure and undamaged?
YN
Reseat and/or replace the wiring harness (Printhead Interface Cable or Wave Amp
Cable).
Does the error persist?
YN
Troubleshooting complete.
Replace the Printhead (REP 2.3).
Reboot the printer. Does the error persist?
YN
Troubleshooting complete.
Replace the Printhead Assembly (REP 2.3). Does the error persist?
YN
Troubleshooting complete.
Replace the Wave Amplifier (REP 5.9).
91,710 ~ 91,716, 94,704 Wiper or Media Drive Faults
A Wiper or Media Drive error has occurred. The following troubleshooting procedure applies to
these errors.
Initial Actions
• Reboot the printer and verify the error persists.
• Check the printer for a jammed sheet in the paper path.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Printhead Wiper, PL 2.1 Item 6
• Media Drive, with 2 Clutches, PL 4.1 Item 5
• Head Maintenance Clutch, PL 4.1 Item 10
Procedure
Check that no wiring harness is interfering with the take away rollers (behind the simplex
guide). Check the printer for obstruction.
Is there a jammed sheet, partial sheet or other
obstruction in the printer?
YN
Check for oil contamination of the Head Maintenance Clutch from the nearby bushing.
Inspect the Wiper system for improper operation, obstructions or damage. Verify that the
Wiper is aligned properly left to right.
Is everything in place?
YN
Remove obstruction. Replace damaged part or re-align the Wiper (refer to the Wiper
Alignment procedure, ADJ 1.1).
Tilt the head back and run the Wiper all the way up and down in its track. Does it move
smoothly?
YN
Replace the Printhead Wiper (REP 2.6).
Turn on the printer and observe the Media Path Drive during the wipe portion of a purge.
Do the Gearbox Gears turn smoothly but not the Wiper Gears?
YN
Replace the Media Drive Assembly (REP 4.5).
Table 1 Applicable Fault Code
91,610 Head Calibration Fault
Table 1 Applicable Fault Codes
91,710 Wiper Homing Stall
91,711 Wiper Move Up Stall
91,712 Wiper Move Down Stall
91,713 Wiper Cannot Verify Home
91,714 Wiper No Stall Homing
91,715 Wiper Away from Home
91,716 Wiper No Clutch Stall
94,704 Wiper Stall Fault
A B