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Phaser 6280 Color Laser Printer Service Manual
3-49
Error Messages and Codes
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?
Go to step 12.
Replace the
MCU Board
(page 8-86).
12
1. Replace the Duplex Unit
2. Does the error still occur?
Go to step 13.
Complete.
13
1. Perform the Duplex Clutch test
Service Mode
>
Engine Diag
>
Motor Test
>
Duplex
Clutch.
2. Does the Clutch operate properly?
Go to step 14.
Perform steps
7-12.
14
1. Perform the Duplex Motor test
Service Mode
>
Engine Diag
>
Motor Test
>
Duplex
Motor.
2. Does the Motor operate properly?
Go to step 15.
Perform steps
7-12.
15
1. Perform the Tray 1 (MPT) Turn
Clutch test (page 4-52):
Service
Mode
>
Engine Diag
>
Motor Test
>
Tray 1 (MPT) Turn Clutch.
2. Does the Clutch operate properly?
Go to step 19.
Go to step 16.
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?
Go to step 17.
Reconnect the
connectors.
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.
Go to step 18.
Replace the
Right Side
Harness.
18
Check the Tray 2 Turn Clutch signal.
1. Disconnect P/J23 from the MCU
Board.
2. Is there +24 V across ground <=>
J23-3 pin when the Interlock Switch
is activated?
Replace the Turn
Clutch
(page 8-42).
Replace the
MCU Board
(page 8-86).
19
1. Perform the Tray 2 Motor test
Service Mode
>
Engine Diag
>
Motor Test
>
Tray 2
Motor.
2. Does the Motor operate properly?
Replace the
MCU Board
(page 8-86).
Go to step 20.
Troubleshooting Procedure Table (continued)
Step
Actions and Questions
Yes
No
Содержание Phaser 6280
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