Xerox Phaser 6280, Service Manual, Page: 153 / 672

Phaser 6280 Color Laser Printer Service Manual 3-17
Error Messages and Codes
19 1. Perform the Tray 3 Feed Clutch test
(page 4-55): Service Mode >
Engine Diag > Motor Test > Tray 3
Feed Clutch .
2. Does the Clutch operate properly?
Go to step 27. Go to step 20.
20 1. Check the wiring harness
connectors P/J421 and P/J4213
between the Optional Feeder Board
and the Feed Clutch.
2. Are the connectors securely
connected?
Go to step 21. Reconnect the
connectors.
21 Check the C2 Chute Harness for
continuity.
1. Disconnect P/J421 from the Feeder
Board and P/J4213 from the Feed
Clutch.
2. Check continuity between P/J421
<=> P/J4213.
Go to step 22. Replace the
Optional 550-
Sheet Feeder
(page 8-100).
22 Check the Tray 3 Feed Clutch signal.
1. Disconnect P/J421 from the
Optional Feeder Board.
2. Is there +24 V across ground <=>
J421-1 pin when the Interlock
Switch is activated?
Replace the Tray
3 Feed Clutch
(page 8-104). Go to step 23.
23 1. Check the wiring harness
connectors P/J419, P/J281, and P/
J28 between the Optional Feeder
Board and MCU Board.
2. Are the connectors securely
connected?
Go to step 24. Reconnect the
connectors.
24 Check the Feeder Harness for
continuity.
1. Disconnect P/J419 from the MCU
Board and P/J281 from the Right
Side Harness.
2. Check continuity between P/J419
<=> P/J281.
Go to step 25. Replace the
Optional Feeder
Assembly
(page 8-107).
25 Check the Right Side Harness for
continuity.
1. Disconnect P/J281 from the Feeder
Harness and P/J28 from the MCU
Board.
2. Check continuity between P/J281
<=> P/J28.
Go to step 26. Replace the
Right Side
Harness.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No