Xerox Phaser 6180MFP Service Manual page 233

Phaser 6180MFP Multifunction Printer Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
Check the Front Cover Harness for
18
continuity.
1. Disconnect P/J2720 from the
Duplex Unit Harness.
2. Disconnect P/J272 from the Right
Side Harness.
Check continuity between P/J2720
<=> P/J272.
Check the Right Side Harness for
19
continuity.
1. Disconnect P/J272 from the Right
Side Harness.
2. Disconnect P/J27 from the MCU
Board.
3. Check continuity between P/J272
<=> P/J27.
20 Check the Duplex Unit Board signal.
1. Disconnect P/J27 from the MCU
Board.
2. Is there +3.3 V across ground <=>
J27-A15 pin on the MCU Board
when the Interlock Switch is
activated?
Does the error occur when the printer
21
is turned On?
Error Messages and Codes
Yes No
Go to step 19. Replace the
Front Cover
Harness.
Go to step 20. Replace the
Right Side
Harness.
Go to step 21. Replace the
MCU Board
(page 8-88).
Replace the Complete.
Duplex Unit
(page 8-115).
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