Xerox Phaser 6280, Service Manual, Page: 263 / 672

Phaser 6280 Color Laser Printer Service Manual 3-127
Error Messages and Codes
5 1. Check the wiring harness
connectors P/J422, P/J4221, and P/
J4222 between the Tray 3 Feeder
Board and the Tray 3 Feeder Drive
Assembly.
2. Are the connectors securely
connected?
Go to step 6. Reconnect the
connectors.
Go to step 6.
6 1. Perform the Tray 3 Feed Motor test
(page 4-45): Service Mode >
Engine Diag > Motor Test > Tray 3
Feed Motor .
2. Does the Motor operate properly?
Replace the
MCU Board
(page 8-86). Go to step 7.
7 1. Check the Tray 3 Drive Feeder
Assembly for correct installation.
2. Is the Tray 3 Drive Feeder Assembly
correctly installed?
Go to step 8. Reseat the Tray
3 Drive Feeder
(page 8-107).
Go to step 8.
8 Does the error still occur? Go to step 9. Complete.
9 Check the C2 Motor Harness for
continuity.
1. Disconnect P/J422 and P/J4222.
2. Check continuity between P/J422
<=> P/J4222.
Go to step 10. Replace the
Optional Sheet
Feeder
(page 8-100).
10 Check the Tray 3 Feeder Drive for
signal.
1. Disconnect P/J422 from the Tray 3
Feeder Board.
2. Is the +24 V across ground <=>
J422-6 pin when the Interlock
Switch is activated?
Replace the
Optional 550-
Sheet Feeder
(page 8-100). Go to step 11.
11 1. Check the wiring harness
connectors P/J419, P/J281, and P/
J28 between the Tray 3 Feeder
Board and the MCU Board.
2. Are the connectors securely
connected?
Go to step 12. Reconnect the
connectors.
12 Check the Feeder Unit Harness for
continuity.
1. Disconnect P/J419 from the Feeder
Board and P/J281 from the MCU
Board.
2. Check continuity between P/J419
<=> P/J281.
Go to step 13. Replace the
Optional Sheet
Feeder
(page 8-100).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No