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Phaser 6280 Color Laser Printer Service Manual
3-33
Error Messages and Codes
18
Check the Right Side Harness for
continuity.
1. Disconnect P/J29 from the MCU
Board and P/J292 from the Regi
Sensor Harness.
2. Check continuity between P/J29 <=>
P/J2922.
Go to step 19.
Replace the
Right Side
Harness.
19
Check the Regi Sensor for continuity.
1. Disconnect P/J29 from the MCU
Board.
2. Is there +3.3 V across ground <=>
J29-8 pin on the MCU Board?
Go to step 20.
Replace the
MCU Board
(page 8-86).
20
Check the Regi Sensor signal.
1. Measure the voltage across ground
<=> J29-10 pin on the MCU Board.
2. Does the voltage change when the
Actuator of the Regi Sensor is
activated?
Replace the
MCU Board
(page 8-86).
Replace the
Regi Sensor
(page 8-43).
21
1. Check the wiring harness
connectors P/J428, P/J2720, P/
J272, and P/J27 between the Duplex
Board and the MCU Board.
2. Are the connectors securely
connected?
Go to step 22.
Reconnect the
connectors.
22
Check the Duplex Unit Harness for
continuity.
1. Disconnect P/J428 from the Duplex
Board and P/J2720 from the Front
Cover Harness.
2. Check continuity between P/J428
<=> P/J2720.
Go to step 23.
Replace the
Duplex Unit
(page 8-99).
23
Check the Front Cover Harness for
continuity.
1. Disconnect P/J2720 from the Front
Cover Harness and P/J272 from the
Right Side Harness.
2. Check continuity between P/J2720
<=> P/J272.
Go to step 24.
Replace the
Front Cover
Harness.
24
Check the Right Side Harness for
continuity.
1. Disconnect P/J272 from the Right
Side Harness and P/J27 from the
MCU Board.
2. Check continuity between P/J27 <=>
P/J272.
Go to step 25.
Replace the
Right Side
Harness.
Troubleshooting Procedure Table (continued)
Step
Actions and Questions
Yes
No
Summary of Contents for Phaser 6280
Page 1: ...Phaser 6280 Color Laser Printer Phaser 6280 Service Manual...
Page 2: ......
Page 15: ...Phaser 6280 Color Laser Printer Service Manual xiii...
Page 16: ...xiv Phaser 6280 Color Laser Printer Service Manual...
Page 26: ...xxiv Phaser 6280 Color Laser Printer Service Manual Table of Contents...
Page 62: ...1 36 Phaser 6280 Color Laser Printer Service Manual General Information...
Page 288: ...3 152 Phaser 6280 Color Laser Printer Service Manual Error Messages and Codes...
Page 432: ...5 58 Phaser 6280 Color Laser Printer Service Manual Print Quality Troubleshooting...
Page 558: ...8 112 Phaser 6280 Color Laser Printer Service Manual Service Parts Disassembly...
Page 670: ...I 10 Phaser 6280 Color Laser Printer Service Manual...
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