3-50 Phaser 6180 Color Laser Printer Service Manual
Error Messages and Codes
Replace Transfer Unit
The Transfer Unit has reached its end of life.
Applicable Chain Link
■ Chain Link 094-011: Replace Transfer Unit
Initial Actions
■ Check the Transfer Unit life using CentreWare IS.
■ 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
■ MCU Board, PL9.1
■ “Map 1 - Electrical and Drive” on 
page 10-10
■ “Map 4 - LVPS and MCU Board” on 
page 10-13
■ “Xerographic” on page 10-40
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the Transfer Unit life using 
CentreWare IS. Does the Level show 0%?
Replace the 
Transfer Unit 
(page 8-7).
Go to step 2.
2 Does the error still occur? Replace the 
MCU Board 
(page 8-87).
Complete.