Xerox Phaser 6280, Service Manual, Page: 179 / 672

Phaser 6280 Color Laser Printer Service Manual 3-43
Error Messages and Codes
21 Check the Right Side Harness for
continuity.
1. Disconnect P/J22 from the MCU
Board and P/J221 from the Main
Drive Assembly.
2. Check continuity between P/J22 <=>
P/J221.
Go to step 22. Replace the
Right Side
Harness.
22 Check the Main Drive signal.
1. Disconnect P/J22 on the MCU
Board.
2. Is there +24 V across ground <=>
J22-A2/J22-A4 pin when the
Interlock Switch is activated?
Replace the
Main Drive
Assembly
(page 8-70). Replace the
MCU Board
(page 8-86).
23 1. Perform the Tray 2 Motor test
(page 4-43): Service Mode >
Engine Diag > Motor Test > Tray 2
Motor .
2. Does the Motor operate properly?
Go to step 27. Go to step 24.
24 1. Check the wiring harness
connectors P/J25 and P/J251
between the MCU Board and the PH
Drive Assembly.
2. Are the connectors securely
connected?
Go to step 25. Reconnect the
connectors.
25 Check the Right Side Harness for
continuity.
1. Disconnect P/J25 from the MCU
Board and P/J251 from the PH Drive
Assembly.
2. Check continuity between P/J25 <=>
P/J251.
Go to step 26. Replace the
Right Side
Harness.
26 Check the PH Drive Assembly signal.
1. Disconnect P/J25 on the MCU
Board.
2. Is there +24 V across ground <=>
J25-1/J25-2 pin when the Interlock
Switch is activated?
Replace the PH
Drive Assembly
(page 8-73). Replace the
MCU Board
(page 8-86).
27 1. Perform the Regi Clutch test
(page 4-51): Service Mode >
Engine Diag > Motor Test > Regi
Clutch .
2. Does the Clutch operate properly?
Go to step 31. Go to step 28.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No