3-62 Phaser 6180 Color Laser Printer Service Manual
Error Messages and Codes
4 Check the Tray 1 (MPT) Actuator. Does
the Actuator operate smoothly.
Go to step 5. Replace the
Tray 1 (MPT)
Actuator
(page 8-28).
5 Perform the Tray 1 (MPT) No Paper
test (page 4-36): Service Mode >
Engine Diag > Sensor Test > MPT No
Paper.
Does the number on the Control Panel
increase by 1 when the Actuator is
activated?
Replace the
MCU Board
(page 8-87).
Go to step 6.
6 Check the wiring harness connectors
P/J27, P/J275, and P/J2751 between
the Tray 1 No Paper Sensor and the
MCU Board.
Go to step 7. Reconnect the
connectors. Go
to step 7.
7 Check the Right Side Harness for
continuity.
1. Disconnect P/J27 and P/J275.
2. Check continuity between P/J27 <=>
P/J275.
Go to step 8. Replace the
Right Side
Harness.
8 Check the Tray 1 (MPT) NPP Harness
for continuity.
1. Disconnect P/J275 and P/J2751.
2. Check continuity between P/J275
<=> P/J2751.
Go to step 9. Replace the
MCU Board
(page 8-87).
9 Check the Tray 1 No Paper Sensor for
operation.
1. Measure the voltage across ground
<=> J27-B1.
2. Does the voltage change when the
Tray 1 No Paper Sensor is
activated?
Replace the
MCU Board
(page 8-87).
Replace the
Tray 1 No Paper
Sensor
(page 8-40).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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