3-76 Phaser 6121MFP Service Manual
Error Messages and Codes
0094 Transfer Roll Failure
Possible causes:
• The 2nd Image Transfer Retraction Position Sensor(PS3) is not activated 
(retracted position) within a given period of time after the retraction sequence 
of the 2nd transfer roller has been started.
• The 2nd Image Transfer Retraction Position Sensor is not deactivated (pressed 
position) within a given period of time after the pressure sequence of the 2nd 
transfer roller has been started.
Initial Actions
Power down and reboot the printer.
Procedure
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ 2nd Image Transfer Retraction 
Position Sensor (PS3), PL4.0.9
■ 2nd Image Transfer Retraction 
Position Solenoid (SD4), PL7.2.23
■ Main Motor, PL9.1.6
■ Engine Control Board, PL13.0.20
■ Board Locations (page 2-10)
■ Sensors and Switches (page 2-11)
■ Motors, Fans, and Solenoids 
(page 2-12)
■ Map 1 - Engine Control Board 
Plug/Jack Locator (page 10-5)
■ Imaging Wiring (page 10-15)
Troubleshooting Procedure Table
Step Action and Questions Yes No
1 Check the Main Motor connector 
CN37. 
Is the connector seated properly?
Go to step 2. Reseat the 
connector. If 
the problem 
persists, go to 
step 2.
2 Check the Main Motor for proper drive 
coupling and correct as necessary.
Does the problem persist?
Go to step 3. Complete.
3 Check the 2nd Image Transfer 
Retraction Position Solenoid connector 
CN5. 
Is the connector seated properly?
Go to step 4. Reseat the 
connector. If 
the problem 
persists, go to 
step 4.