Xerox Phaser 6280 Service Manual page 186

Error Messages and Codes
3-50
Troubleshooting Procedure Table (continued)
Step Actions and Questions
20 1. Check the wiring harness
connectors P/J25 and P/J251
between the PH Drive Assembly and
the MCU Board.
2. Are the connectors securely
connected?
21 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.
Check the PH Drive Assembly signal.
22
1. Disconnect P/J25 from the MCU
Board.
2. Is there +24 V across ground <=>
J25-1/J25-2 pin when the Interlock
Switch is activated?
Yes
Go to step 21.
Go to step 22.
Replace the PH
Drive Assembly
(page 8-76).
Phaser 6280 Color Laser Printer Service Manual
No
Reconnect the
connectors.
Replace the
Right Side
Harness.
Replace the
MCU Board
(page 8-86).