Xerox Phaser 6280 Service Manual page 263

Phaser 6280 Color Laser Printer Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
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?
1. Perform the Tray 3 Feed Motor test
6
(page 4-45): Service Mode
Engine Diag >
Feed Motor.
2. Does the Motor operate properly?
1. Check the Tray 3 Drive Feeder
7
Assembly for correct installation.
2. Is the Tray 3 Drive Feeder Assembly
correctly installed?
8 Does the error still occur?
Check the C2 Motor Harness for
9
continuity.
1. Disconnect P/J422 and P/J4222.
2. Check continuity between P/J422
<=> P/J4222.
Check the Tray 3 Feeder Drive for
10
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?
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?
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.
Yes
Go to step 6.
Replace the
> MCU Board
Motor Test > Tray 3 (page 8-86).
Go to step 8.
Go to step 9.
Go to step 10.
Replace the
Optional 550-
Sheet Feeder
(page 8-100).
Go to step 12.
Go to step 13.
Error Messages and Codes
No
Reconnect the
connectors.
Go to step 6.
Go to step 7.
Reseat the Tray
3 Drive Feeder
(page 8-107).
Go to step 8.
Complete.
Replace the
Optional Sheet
Feeder
(page 8-100).
Go to step 11.
Reconnect the
connectors.
Replace the
Optional Sheet
Feeder
(page 8-100).
3-127