Xerox Phaser 6280 - Page 170

3-34 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
25 Check the Duplex Unit for continuity.
1.Disconnect P/J27 from the MCU
Board.
2.Is there +3.3 V across ground <=>
J27-15 pin on the MCU Board?
Replace the
Duplex Unit
(
page 8-99).
Replace the
MCU Board
(
page 8-86).
26 1.Check the wiring harness connector
P/J429 between the Duplex Board
and the Duplex Motor.
2.Is P/J429 securely connected?
Go to step 27. Reconnect P/J
429 connector.
27 Check the Duplex Motor for continuity.
1.Disconnect P/J429 from the Duplex
Board.
2.Is there +24 V across ground <=>
J429-2 pin on the Duplex Board?
Replace the
Duplex Unit
(
page 8-99).
Perform steps
21 through 25.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No