Phaser 6280 Color Laser Printer Service Manual
4-67
General Troubleshooting
Inoperable Printer Troubleshooting
Engine Power-Up Sequence
1.
Machine Control Unit (MCU) Board logic check
2.
Print Cartridge (Missing, NVRAM (CRUM) Error, CRUM ID, Life Over)
3.
Fuser (Missing, NVRAM (CRUM) Error, Life Over)
4.
Transfer Unit (Missing, Life Over)
5.
ADC Sensor (Error)
6.
All paper Sensor (Jam)
7.
Door (Open)
8.
Environmental (Humidity/Temperature) Sensor (Error)
9.
NVRAM (NVRAM Error)
10.
Image Processor Board POST Diagnostic check
Printer Continually Displays Warming Up
1.
Verify the correct Fuser (110 V vs. 220 V) is installed in the printer.
2.
Refer to the Engine Power-Up Sequence (page 4-67).
Summary of Contents for Phaser 6280
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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...
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