Xerox ColorQube 8570 Service Manual page 110

94,548, 94,550 Y-Axis Faults
A Y-Axis error has occurred. The following troubleshooting procedure applies to these errors.
Table 1 Applicable Fault Codes
94,548 Y-Axis Position Error
94,550 Y-Axis Calibration Error
Initial Actions
• Reboot the printer and verify the error persists.
• Check all the Drum cable connections.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Drum Assembly, PL 2.1 Item 4
• Y-Axis Motor Assembly, PL 4.1 Item 2
• Harness, Right Side Power Control,
Wiring and Plug/Jack References (Chapter 7 - Wiring Data)
• Figure 1, Right Side Wire Routing
• Figure 6, Hard Drive, Drum Heater, Paper Preheater
• Figure 7, Motors, Head Maintenance Clutch, Strip Solenoid
Procedure
Check the Drum power and encoder wiring harness connectors P/J114, P/J120, and P/J122.
Are the connections secure and undamaged?
Y N
Reseat and/or replace the wiring harness.
Clean the Y-Axis Belt and Pulley with Isopropyl Alcohol. Power on the printer. Does the error
persist?
Y N
Troubleshooting complete.
Replace the Drum Assembly (REP 2.4). Does the error persist?
Y N
Troubleshooting complete.
Replace the Y-Axis Motor Assembly (REP
Fault Messages and Codes
94,548, 94,550, 94,570
PL 5.1 Item 13
4.2).
94,570 Drum Maintenance Fault
A Drum Maintenance error has occurred. The following troubleshooting procedure applies to
this error.
94,570 DM Write Error
N/A Chronic "maintenance kit missing" messages even when it is installed.
Initial Actions
• Reboot the printer and verify the error persists.
• Verify the Drum Maintenance Unit is genuine Xerox.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Drum Maintenance Unit, PL 1.1 Item 16
• Drum Maintenance Pivot Plate Assembly,
Wiring and Plug/Jack References (Chapter 7 - Wiring Data)
• Figure 1, Right Side Wire Routing
• Figure 8, I/O Board, Sensors (1 of 2)
Procedure
Check the Drum Maintenance Pivot Plate wiring harness connector P/J901. Is the connec-
tion secure and undamaged?
Y N
Reseat and/or replace the wiring harness.
Replace the Drum Maintenance Unit
Y N
Troubleshooting complete.
Replace the Pivot Plate Assembly
October 2012
2-64
Table 1 Applicable Fault Code
PL 2.1 Item 17
(REP 1.16). Does the error persist?
(REP 2.17).
Revised, 3rd Revision - Xerox Internal Use Only
ColorQube 8570/8870 Service Manual