Xerox Phaser 7100

Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-280
(K) Imaging Unit ID Error
Imaging Unit error has occurred due to one of the following problems:
• Imaging Unit K CRUM Comm Fail
• Imaging Unit K CRUM Data Broken
• Imaging Unit K CRUM Data Mismatch
Applicable Fault Code
• 091-407: Imaging Unit K CRUM Trouble Info
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• Imaging Unit (K), PL 6.1.4
Troubleshooting Procedure
Step Actions and Questions Yes No
1. Check the installation of the Imaging Unit (K)
(REP 6.0 Imaging Unit (Y/ M/ C/ K) on
page 4-121).
Is there an Imaging Unit other than for (K) color
installed?
Or, is there an Imaging Unit for other than this
printer installed?
Replace the Imaging
Unit (K) (REP 6.0
Imaging Unit (Y/ M/ C/
K) on page 4-121).
Reinstall the Imaging
Unit (K).