3-48 Phaser 6300/6350/6360 Color Laser Printer Service Manual
Error Messages and Codes
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
For 550-Sheet Feeder:
■ Low Paper Sensor, PL11.3.7
■ Low Paper Actuator, PL11.3.16
■ OPTFDR Board, PL11.1.10
■ LOWP Harness, PL11.3.25
For 1100-Sheet Feeder:
■ Low Paper Sensor, PL12.4.7
■ Low Paper Actuator, PL12.4.15
■ OPTFDR Board, PL12.3.3
■ LOWP Harness, PL12.3.6
■ 550-Sheet Feeder P/J Locator (page 10-12)
■ 550-Sheet Feeder Tray Wiring (page 10-35)
■ 1100-Sheet Feeder P/J Locator (page 10-10)
■ 1100-Sheet Feeder Tray Wiring (page 10-31)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Fill the tray with paper.
Does the error occur if the tray is full?
Go to Step 2. Complete
2 Check the following for evidence of fault
or damage:
■ Low Paper Sensor
■ Low Paper Actuator
Is there any damage?
Replace any
damaged parts.
Go to Step 3.
3 Test the Low Paper Sensor.
Run the Service Diagnostics Low Paper
Sensor test.
Does the sensor function properly?
Replace the
Engine Control
Board
(
page 8-106).
Go to Step 4.
4 Check the Low Paper Sensor signal.
Is there +3.3 V between J823-1 <=>
J473-2?
Replace the Low
Paper Sensor for
the affected tray.
Go to Step 5.
5 Check all pins on the LOWP Harness
PL12.3.6 for continuity.
1. Disconnect P/J81 and P/J823.
2. Check continuity between J81 <=>
J471.
Replace the
OPTFDR Board
for the affected
tray.
Replace the
LOWP
Harness.