3-26 Phaser 6180 Color Laser Printer Service Manual
Error Messages and Codes
8 Check the Exit Sensor for signal.
1. Measure the voltage across ground
<=> P/J17-3.
2. Does the voltage change when the
Actuator of the Exit Sensor is
activated?
Replace the
MCU Board
(page 8-87).
Replace the
Fuser
(page 8-10).
9 Perform the Registration Sensor test
(page 4-29): Service Mode > Engine
Diag > Sensor Test > Regi Sensor.
Does the number on the Control Panel
increase by 1 when the Actuator of the
Registration Sensor is activated?
Go to step 15. Go to step 10.
10 Check the wiring harness connectors
P/J23, P/J232, and P/J2322 between
the MCU Board and the Registration
Sensor. Are the connectors securely
connected?
Go to step 11. Reconnect the
connectors.
11 Check the Registration Sensor
Harness for continuity.
1. Disconnect P/J232 and P/J2322.
2. Check continuity between P/J232
<=> P/J2322.
Go to step 12. Replace the
Registration
Sensor
Harness.
12 Check the Right Side Harness for
continuity.
1. Disconnect P/J23 and P/J232.
2. Check continuity between P/J23 <=>
P/J232.
Go to step 13. Replace the
Right Side
Harness.
13 Check the Registration Sensor for
continuity.
1. Disconnect P/J23 on the MCU
Board.
2. Is there +3.3 V across ground <=>
J23-8?
Go to step 14. Replace the
MCU Board
(page 8-87).
14 Check the Registration Sensor signal.
1. Measure the voltage across ground
<=> J23-10 on the MCU Board.
2. Does the voltage change when the
Actuator of the Registration Sensor
is activated?
Replace the
MCU Board
(page 8-87).
Replace the
Feeder
(page 8-43).
15 Perform the Main Motor test
(page 4-40): Service Mode > Engine
Diag > Motor Test > Main Motor.
Does the Motor operate properly?
Go to step 19. Go to step 16.
16 Check the wiring harness connectors
P/J21 and P/J211 between the MCU
Board and the Main Drive. Are the
connectors securely connected?
Go to step 17. Reconnect the
connectors.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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