Phaser 6180MFP Multifunction Printer Service Manual 3-67
Error Messages and Codes
Transfer Unit CRUM Error
The Transfer Unit CRUM ID error is detected. The following troubleshooting
procedure applies to this error.
Applicable Chain Link
■ Chain Link 094-330: Transfer CRUM Error (IOT CRUM ID Error)
Initial Actions
■ Ensure the Transfer Unit is installed correctly.
■ Cycle printer power.
■ If problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Transfer Unit, PL4.1.1
■ MCU Board, PL9.2.13
■ “Map 1 - Electrical and Drive” on
page 10-10
■ “Map 4 - LVPS and MCU Board” on
page 10-13
■ “Xerographic” on page 10-34
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1.Check the Transfer Unit for correct
installation.
2.Is the Transfer Unit correctly installed?
Go to step 3. Reseat the
Transfer Unit
(page 8-9).
Go to step 2.
2 Does the error still occur when the printer is
turned On?
Go to step 3. Complete.
3 1.Replace the Transfer Unit (page 8-9).
2.Does the error still occur when the printer
is turned On?
Replace the
MCU Board
(page 8-88).
Complete.
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