3-86 Phaser 6180 Color Laser Printer Service Manual
Error Messages and Codes
Sub Motor Error
The Sub Motor has failed.
Applicable Chain Link
■ Chain Link 042-326: Sub Motor Error
Initial Actions
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ MCU Board, PL9.1.20
■ Right Side Harness, PL10.1.15
■ Main Drive, PL8.1.2
■ “Map 1 - Electrical and Drive” on 
page 10-10
■ “Map 4 - LVPS and MCU Board” on 
page 10-13
■ “Main Drive” on page 10-34
Troubleshooting Procedure Table 
Step Actions and Questions Yes No
1 Check the Print Cartridges for correct 
installation. Are the Print Cartridges 
correctly installed?
Go to step 3. Reseat the Print 
Cartridges. Go 
to step 2.
2 Does the error still occur? Go to step 3. Complete.
3 Check the wiring harness connectors 
P/J22 and P/J221 between the MCU 
Board and the Main Drive. Are the 
connectors securely connected?
Go to step 4. Reconnect the 
connectors. Go 
to step 4.
4 Perform the Sub Motor test 
(page 4-41): Service Mode > Engine 
Diag > Motor Test > Sub Motor.
During the test, close the Front Cover. 
Does the Motor operate properly?
Replace the 
MCU Board 
(page 8-87).
Go to step 5.
5 Check the Main Drive for correct 
installation. Is the Main Drive correctly 
installed?
Go to step 6. Reseat the Main 
Drive. Go to 
step 6.
6 Does the error still occur? Go to step 7. Complete.