Xerox Phaser 6300 Service Manual page 113

Troubleshooting Procedures Table
Step Action and Questions
1 Check the following for evidence of fault or
damage:
Exit Actuator and Sensor,
PL5.1.2 and PL5.1.3
Fuser Assembly, PL5.1.1
Front Cover, PL1.1.6
Chute Assembly In, PL5.2.1
Transfer Roller, PL5.1.4
Imaging Unit, PL6.1.1
Is there any damage?
2 Remove the Fuser and check for broken or
bent pins.
3 Reinstall the Fuser.
Does error recur after the Fuser Assembly
has been replaced?
4 Test the Exit Sensor.
Run the Service Diagnostics Exit Sensor
Test.
Does the sensor function correctly?
5 Check the Exit Sensor Signal.
Insert a sheet of paper into the Fuser.
Is the voltage across J361-A5 <=> J361-
A6 0 V?
6 Check all pins on the FSR/ADC Harness
PL5.2.28 for continuity.
1. Disconnect P/J361 and P/J36.
2. Check continuity between J361<=>J36.
7 If possible print one sheet of paper.
Does the Fuser Motor Turn?
8 Test the Fuser Drive Assembly.
Run the Service Diagnostics Fuser Motor
test.
Does the Fuser Motor function correctly?
9 Check for +24 V to the Fuser Motor.
Disconnect P/J521.
Is there +24 V across J521-10 <=>
ground?
10 Replace the Fuser Drive Assembly.
Does the Fuser Motor function correctly?
11 Check TNRFULL/FSR Harness continuity.
1. Disconnect P/J52 and P/J521.
2. Check continuity between J52 <=>
J521.
3-12 Phaser 6300/6350 Color Laser Printer Service Manual
Yes
Replace any
damaged parts.
Replace the parts
concerned.
Go to Step 4.
Go to Step 7.
Go to Step 7.
Go to Step 7.
Inspect and replace
defective gear(s).
Replace the Engine
Control Board
(page 8-104).
Go to Step 11.
Complete
Replace the Engine
Control Board
(page 8-104).
No
Go to Step 2.
Go to Step 3.
Complete
Go to Step 5.
Go to Step 6.
Replace the FSR/
ADC Harness.
Go to Step 8.
Go to Step 10.
Replace the
Engine Control
Board
(page 8-104).
Go to Step 11.
Replace the
TNRFULL/FSR
Harness.