Xerox Phaser 6280 Service Manual page 185

Phaser 6280 Color Laser Printer Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
11 Check the Duplex Board signal.
1. Disconnect P/J27 from the MCU
Board.
2. Is there +3.3 V across ground <=>
J27-15 pin?
1. Replace the Duplex Unit
12
(page 8-99).
2. Does the error still occur?
1. Perform the Duplex Clutch test
13
(page 4-57): Service Mode
Engine Diag >
Clutch.
2. Does the Clutch operate properly?
1. Perform the Duplex Motor test
14
(page 4-44): Service Mode
Engine Diag >
Motor.
2. Does the Motor operate properly?
15 1. Perform the Tray 1 (MPT) Turn
Clutch test (page 4-52):
Mode > Engine Diag
Tray 1 (MPT) Turn Clutch.
2. Does the Clutch operate properly?
16 1. Check the wiring harness
connectors P/J23 and P/J232
between the Tray 2 Turn Clutch and
the MCU Board.
2. Are the connectors securely
connected?
17 Check the Right Side Harness for
continuity.
1. Disconnect P/J23 from the MCU
Board and P/J232 from the Turn
Clutch.
2. Check continuity between P/J23 <=>
P/J232.
Check the Tray 2 Turn Clutch signal.
18
1. Disconnect P/J23 from the MCU
Board.
2. Is there +24 V across ground <=>
J23-3 pin when the Interlock Switch
is activated?
19 1. Perform the Tray 2 Motor test
(page 4-43): Service Mode
Engine Diag >
Motor.
2. Does the Motor operate properly?
Yes
Go to step 12.
Go to step 13.
Go to step 14.
>
Motor Test > Duplex
Go to step 15.
>
Motor Test > Duplex
Go to step 19.
Service
> Motor Test >
Go to step 17.
Go to step 18.
Replace the Turn
Clutch
(page 8-42).
Replace the
> MCU Board
Motor Test > Tray 2 (page 8-86).
Error Messages and Codes
No
Replace the
MCU Board
(page 8-86).
Complete.
Perform steps
7-12.
Perform steps
7-12.
Go to step 16.
Reconnect the
connectors.
Replace the
Right Side
Harness.
Replace the
MCU Board
(page 8-86).
Go to step 20.
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