Drum Y, M, C Motor Fail - Xerox Phaser 7500 Service Manual

Drum Y, M, C Motor Fail

Phaser 7500 Printer Service Manual
The Drum/Deve Drive Motor (Y, M, C) rotation failure was detected.
Applicable Chain-Link Code
• 042-320: Drum YMC Motor Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
Drum/ Deve Drive Motor (Y/M/
■
C), PL3.3.5
MCU PWB, PL18.3.6
■
Motor Drive PWB, PL18.3.7
■
Troubleshooting Procedure
Step Actions and Questions
1
Open the Front Cover and remove
the Imaging Units (Y, M, C) and
the Developer (Y, M, C).
Close the Front Cover.
Perform the Developer Motors test
in Diagnostics.
Does the Drum/ Deve Drive Motor
(Y, M, C) rotate?
2 Turn Off the power and remove the
M/C Rear Cover.
Turn On the power.
Is the voltage between the Motor
Drive PWB J508-3 (+) and the GND
(-) +24VDC?
3 Is the voltage between the Motor
Drive PWB J506-16 (+) and the
GND (-) +5VDC?
Error Messages and Codes
Wiring and Plug/Jack Map References
Yes
Go to step 5.
Go to step 3.
Go to step 4.
No
Go to step 2.
Refer to "+24
VDC Power" on
page 4-16.
Refer to "+5 VDC
Power
Troubleshooting
" on page 4-15.
3-109