October 2012
2-35
ColorQube 8570/8870 Service Manual
91,724, 91,725
Fault Messages and Codes
Xerox Internal Use Only - Revised, 3rd Revision
91,724 Head Park Fault (Soft)
Could not park head in tilted-back position.
Procedure
Not applicable for soft fault.
91,725 Process Drive Fault
A Process Drive error has occurred. The following troubleshooting procedure applies to this
error.
Initial Actions
• Reboot the printer and verify the error persists.
• Check that the Process Drive gear train is properly homed (ADJ 1.3).
• Check that the Printhead is home (ADJ 1.2).
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Process Drive with Gear Box and Motor, PL 4.1 Item 13
Procedure
Check the Process Drive alignment. Rehome the Process Drive (ADJ 1.3). Does the error
persist?
YN
Troubleshooting complete.
Home the Printhead (ADJ 1.2). Reboot the printer. Does the problem persist?
YN
Troubleshooting complete.
Replace the Process Drive (REP 4.13).
Table 1 Applicable Fault Code
91,725 Process Motor is skipping during head tilt.