Xerox PHASER 7500 Service Manual

Phaser 7500 Printer Service Manual 3-111
Error Messages and Codes
Drum K Motor Fail
The Drum/Deve Drive Motor (K) rotation failure was detected.
Applicable Chain-Link Code
• 042-323: Drum K Motor Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Drum/ Deve Drive Motor (K),
PL3.3.3
■ MCU PWB, PL18.3.6
■ Motor Drive PWB, PL18.3.7
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Open the Front Cover and remove
the Imaging Unit (K) and the
Developer (K).
Close the Front Cover.
Perform the Developer Motors test
in Diagnostics.
Does the Drum/ Deve Drive Motor
(K) rotate?
Go to step 5. Go to step 2.
2 Turn Off the power and remove the
M/C Rear Cover.
Turn On the power.
Is the voltage between the Motor
Drive PWB J508-1 (+) and the GND
(-) +24VDC?
Go to step 3. Refer to “+24
VDC Power” on
page 4-16.
3 Is the voltage between the Motor
Drive PWB J506-8 (+) and the GND
(-) +5VDC?
Go to step 4. Refer to “+5 VDC
Power
Troubleshooting
” on page 4-15.

Xerox PHASER 7500 Specifications

General

Max Print Resolution	1200 x 1200 dpi
Monthly Duty Cycle	150, 000 pages
Standard Paper Capacity	550 sheets
Duplex Printing	Optional
Standard Memory	256 MB
Network Connectivity	10/100/1000Base-T Ethernet
Supported Operating Systems	Windows, Mac OS, Linux
Max Paper Capacity	2, 100 sheets
Connectivity	USB 2.0, Ethernet
PDL	PostScript 3, PCL 6, PDF
Print Speed	Up to 35 ppm