3-100 Phaser 6180 Color Laser Printer Service Manual
Error Messages and Codes
4 Check the Solenoid in the Transfer Unit
for operation.
1. Perform the ADC Sensor Solenoid
test (page 4-58): Service Mode >
Engine Diag > Motor Test > ADC
Sensor Solenoid.
2. Perform the ADC Sensor LED test
(page 4-59): Service Mode >
Engine Diag > Motor Test > ADC
Sensor LED.
3. Does the ADC Sensor operate
properly?
Replace the
corresponding
Print Cartridge
(page 8-9).
Go to step 5.
5 Check the wiring harness connectors
P/J27, P/J272, and P/J2721 between
the MCU Board and the Transfer Unit.
Are the connectors securely
connected?
Go to step 6. Reconnect the
connectors. Go
to step 10.
6 Check the Front Cover Harness for
continuity.
1. Disconnect P/J2721 and P/J272.
2. Check continuity between P/J2721
<=> P/J272.
Go to step 7. Replace the
Front Cover
Harness.
7 Check the Right Side Harness for
continuity.
1. Disconnect P/J27 and P/J272.
2. Check continuity between P/J27 <=>
P/J272.
Go to step 8. Replace the
Right Side
Harness.
8 Check the ADC Sensor signal.
1. Disconnect P/J27 from the MCU
Board.
2. Is there +5 V across ground <=>
J27-A7?
Replace the
Transfer Unit
(page 8-7).
Replace the
MCU Board
(page 8-87).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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