Xerox Phaser 6180 Service Manual page 188

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