3-14 Phaser 6300/6350 Color Laser Printer Service Manual
5
Check FRONT/DUP Harness continuity.
1. Disconnect P/J133 and P/J13.
2. Check continuity between J133 <=> J13
Go to Step 6. Replace the
FRONT/DUP
Harness.
6
Print a Test Print in Duplex mode
Does the sheet reverse in the printer?
Replace the Chute
Assembly Out
(
page 8-61).
Go to Step 7.
7
Test the Duplex Motor.
1. Close the Interlock Switch during the
test.
2. Run the Service Diagnostics Duplex
Motor test.
Does the Duplex Motor function correctly?
Replace the Chute
Assembly Out
(
page 8-61).
Go to Step 8.
8
Check for +24 V to the Duplex Motor.
Disconnect P/J501.
Is there +24 V across P501-6 <=> ground?
Go to Step 9. Replace the
Engine Control
Board
(
page 8-104).
9
Check all pins on the FRONT/DUP
Harness PL5.3.28 for continuity.
1. Disconnect P/J13 and P/J501.
2. Check continuity between J13 <=>
P501.
Got to Step 10. Replace the
FRONT/DUP
Harness.
10
Replace the Duplex Motor.
Does the error persist?
Replace the Engine
Control Board
(
page 8-104).
Complete
Troubleshooting Procedures Table (Continued)
Step Action and Questions Yes No