Error Troubleshooting
Xerox Internal Use Only Phaser 7100 Service Manual 2-311
(Y/ M/ C/ K) Toner Cartridge Error: Error
Toner Cartridge (Y/ M/ C/ K) CRUM communication error has occurred due to one of the following
problems.
• Toner Cartridge CRUM data Read/Write error.
• The data written to the Toner Cartridge (Y/ M/ C/ K) CRUM and the data read from the Toner
Cartridge (Y/ M/ C/ K) CRUM do not match
Applicable Fault Codes
• 093-924: Toner CRUM Comm Fail K
• 093-925: Toner CRUM Data Broken Fail K
• 093-927: Toner CRUM Comm Fail Y
• 093-928: Toner CRUM Comm Fail M
• 093-929: Toner CRUM Comm Fail C
• 093-933: Toner CRUM Data Broken Fail Y
• 093-934: Toner CRUM Data Broken Fail M
• 093-935: Toner CRUM Data Broken Fail C
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• Toner Cartridge Assembly (Y), PL 8.1.1 - PL 8.1.3
• Toner CRUM Connector Assembly, PL 8.1.13
• Toner CRUM Harness Assembly, PL 8.1.18
• MCU PWB, PL 12.1.15
• Development on page 7-60
Troubleshooting Procedure
Step Actions and Questions Yes No
1. Check the installation of the Toner Cartridge (Y/
M/ C/ K) (REP 8.0 Toner Cartridge Assembly (Y/
M/ C/ K) on page 4-136).
Is the Toner Cartridge (Y/ M/ C/ K) installed
properly, with no foreign substances at the
contact point between the Toner CRUM
Connector Assembly and the CRUM PWB in the
Toner Cartridge (Y/ M/ C/ K)?
Go to step 2. Reinstall the Toner
Cartridge (Y/ M/ C/ K).
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