Xerox COLORQUBE 8870

October 2012
2-75
ColorQube 8570/8870 Service Manual
99,016
Fault Messages and Codes
Xerox Internal Use Only - Revised, 3rd Revision
99,016 PEST - All Three Clutches Failed
The Clutch error has occurred. The Clutches are not drawing the expected power from the
Power Supply. The following troubleshooting applies to this error.
Initial Actions
• Reboot the printer and verify the error persists.
• Check the Clutches’ wiring connections.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Media Drive with 2 Clutches, PL 4.1 Item 5
• Head Maintenance Clutch, PL 4.1 Item 10
• Electronics Module, PL 5.1 Item 1
• I/O Board, PL 5.1 Item 10
• Harness, Right Side Power Control, PL 5.1 Item 13
• Harness, Left Side Power Control, PL 5.1 Item 17
Wiring and Plug/Jack References (Chapter 7 - Wiring Data)
• Figure 1, Right Side Wire Routing
• Figure 2, Right Side Electronics Module P/J Locations
• Figure 2, Left Side Wire Routing
• Figure 3, Left Side Electronics Module P/J Locations
• Figure 4, Optional Tray, Clutches, Solenoids, Tray 2 Lift Motor
• Figure 7, Drum Heater Load Dump, Motors, Head Maintenance Clutch, Strip Solenoid
Procedure
Check the following wiring harness connectors.
• Tray 2 Pick Clutch, P/J109
• Deskew Clutch, P/J111
• Head Maintenance Clutch, P/J119
Are the connections secure and undamaged?
YN
Reseat and/or replace the wiring harnesses.
Check resistance on the Clutches’ wiring harness connectors P/J109, P/J111, and P/J119.
Are they open or shorted?
YN
Check resistance on the Right Side Wiring Harness and Left Side Wiring Harness P/
J302.
Are they open or shorted?
YN
Troubleshooting complete.
Replace the Right Side Wiring Harness/Left Side Wiring Harness.
Replace the Head Maintenance Clutch (REP 4.10) and Media Drive (REP 4.5). Does the
error persist?
YN
Troubleshooting complete.
Replace the I/O Board (REP 5.10) and Electronics Module (REP 5.1).
Table 1 Applicable Fault Code
99,016 PEST - All Three Clutches Failed
A
A