Turn Roller Clutch - Xerox Phaser 7100 Service Manual

Error Troubleshooting

Turn Roller Clutch

Troubleshooting Reference
Applicable Parts
• Turn Roller Clutch (Turn Clutch Assembly), PL 5.1.9
• MCU PWB, PL 12.1.15
Troubleshooting Procedure
Step Actions and Questions
1. Check the Turn Roller Clutch operation.
Perform DC330 Component Control
page 2-26 [071-016] to check the operation of
the Turn Roller Clutch.
Is the Turn Roller Clutch operating properly?
2. Check the connection between the Turn Roller
Clutch and MCU PWB.
Is the connector P/J453 connected securely?
3. Check the resistance of the Turn Roller Clutch
Turn Off the power, remove the Turn Roller Clutch
(REP 5.4 Turn Clutch Assembly
and check the wire resistance between the two
terminals.
Is the resistance 137 Ohms (at 20° C)?
4. Check the voltage supply (+24VDC) to the Turn
Roller Clutch.
Measure the voltage between the MCU PWB
GND <=> P/J453-1.
Is there a voltage (approx. +24VDC) output?
Close the Interlock Switch and check.
2-424 Phaser 7100 Service Manual
Wiring and Plug/Jack Map References
•
Replace the MCU PWB
(REP 12.4 MCU PWB
on
on page 4-206).
Go to step 3.
Go to step 4.
on page 4-119),
Replace the Turn
Clutch Assembly
5.4 Turn Clutch
Assembly
page 4-119).
Paper Transport on page 7-51
Yes
Go to step 2.
Connect the connector
P/J453.
Replace the Turn
Clutch Assembly
5.4 Turn Clutch
Assembly
page 4-119).
Go to
(REP Troubleshooting
page 2-455.
on
Xerox Internal Use Only
No
(REP
on
+24VDC Power
on