October 2012
2-78
ColorQube 8570/8870 Service Manual
99,021, 99,022
Revised, 3rd Revision - Xerox Internal Use Only
Fault Messages and Codes
99,021 PEST - Strip Solenoid Disconnect
The Strip Solenoid error has occurred. The Solenoid is 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 Solenoid’s wiring connection.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Upper Duplex Guide w/Strip Solenoid, PL 3.1 Item 5
• Electronics Module, PL 5.1 Item 1
• Power Control Board, PL 5.1 Item 8
• Harness, Right Side Power Control, PL 5.1 Item 13
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 7, Drum Heater Load Dump, Motors, Head Maintenance Clutch, Strip Solenoid
Procedure
Check the Strip Solenoid wiring harness connector P/J121. Is the connection secure and
undamaged?
YN
Reseat and/or replace the wiring harness.
Check resistance on the Strip Solenoid wiring harness connector P/J121. Is it open or
shorted?
YN
Check resistance on the Right Side Wiring Harness P/J701 (pins 11~12). Is it open or
shorted?
YN
Troubleshooting complete.
Replace the Right Side Wiring Harness.
Replace the Strip Solenoid (REP 3.5). Does the error persist?
YN
Troubleshooting complete.
Replace the Power Control Board (REP 5.6) (Electronics Module).
99,022 PEST - Preheat Solenoid Disconnect
The Preheat Solenoid error has occurred. The Solenoid is 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 Solenoid’s wiring connection.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Preheater Lift Solenoid, PL 4.1 Item 1
• Electronics Module, PL 5.1 Item 1
• Power Control Board, PL 5.1 Item 8
• Harness, Left Side Power Control, PL 5.1 Item 17
Wiring and Plug/Jack References (Chapter 7 - Wiring Data)
• 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
Procedure
Check the Strip Solenoid wiring harness connector P/J112. Is the connection secure and
undamaged?
YN
Reseat and/or replace the wiring harness.
Check resistance of the Preheat Lift Solenoid at the wiring harness connector P/J112 (refer to
Testing Clutch, Motor, and Solenoid Resistance for testing Motor and Solenoid resistance.
Is it
open or shorted?
YN
Check resistance on the Left Side Wiring Harness connector P/J302 (pins 27~29). Is it
open or shorted?
YN
Troubleshooting complete.
Replace the Left Side Wiring Harness.
Replace the Preheat Lift Solenoid (REP 4.1). Does the error persist?
YN
Troubleshooting complete.
Replace the Power Control Board (REP 5.6) (Electronics Module).
Table 1 Applicable Fault Code
99,021 PEST - Strip Solenoid Disconnect
Table 1 Applicable Fault Code
99,022 PEST - Preheat Solenoid Disconnect
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