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Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
5
Check the Regi Clutch Sensor Harness
for continuity.
1. Disconnect P/J20 from the MCU
Board and P/J201 from the K Mode
Sensor.
2. Check continuity between P/J20 <=>
P/J201.
Go to step 6.
Replace the K
Drive Assembly
(page 8-76).
6
Check the K Mode Sensor signal.
1. Disconnect P/J20 from the MCU
Board.
2. Is there +3.3 V across ground <=>
J20-1 pin on the MCU Board?
Go to step 7.
Replace the
MCU Board
(page 8-86).
7
Check the K Mode Sensor for
operation.
Note: Be sure to keep P/J201 and P/
J24 connectors connected.
1. Remove the K Drive Assembly
2. Perform the K Mode Sensor test
): Service Mode >
Engine Diag > Sensor Test
>
K
Mode SNR
. During the test, close
the Front Cover.
3. Does the voltage change when a
piece of paper is inserted into the
gap of the K Mode Sensor?
Replace the
MCU Board
(page 8-86).
Replace the K
Drive Assembly
(page 8-76).
8
1. Check the wiring harness
connectors P/J24 and P/J241
between the MCU Board and the K
Mode Solenoid.
2. Are the connectors securely
connected?
Go to step 10.
Reconnect the
connectors.
Go to step 9.
9
Does the error still occur?
Go to step 10.
Complete.
10
Check the K Mode Solenoid signal.
1. Disconnect P/J24 from the MCU
Board.
2. Is there +24 V across ground <=>
J24-1 pin on the MCU Board when
the Interlock Switch is activated?
Go to step 11.
Replace the
MCU Board
(page 8-86).
11
Check the K Mode Solenoid for
resistance.
1. Disconnect P/J24 from the MCU
Board.
2. Is the resistance across J24-1 and
J24-2 about 80 to 110 ohm?
Replace the
MCU Board
(page 8-86).
Replace the K
Drive Assembly
(page 8-76).
Troubleshooting Procedure Table (continued)
Step
Actions and Questions
Yes
No
Содержание Phaser 6280
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