Phaser 6280 Color Laser Printer Service Manual 3-139
Error Messages and Codes
ADC Sensor Error (Low Density)
The ADC Sensor has detected low density error.
Applicable Chain Link
■ Chain Link 092-651: IOT ADC Sensor Error
Initial Actions
■ Ensure the Transfer Unit and surrounding area is free of waste toner.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Front Cover Harness, PL1.2.11
■ Transfer Unit, PL4.1.1
■ Laser Unit, PL5.1.2
■ Print Cartridge (C/M/Y/K),
PL5.1.18-21
■ Main Drive Assembly, PL8.1.2
■ MCU Board, PL9.1.20
■ Right Side Harness, PL10.1.15
■ “Map 1 - Electrical and Drive” on
page 10-9
■ “Map 4 - LVPS and MCU Boards” on
page 10-12
■ “Xerographic” on page 10-30
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1. Check the detailed error code on the
Control Panel (press the Up and
Down buttons simultaneously).
2.Does code “02” display on the
Control Panel?
Go to step 3. Go to step 13.
2 1. Check the Transfer Unit for correct
installation.
2.Is the Transfer Unit correctly
installed?
Go to step 4. Reseat the
Transfer Unit
(
page 8-8).
Go to step 3.
3 Does the error still occur? Go to step 4. Complete.
4 1. Check the Print Cartridges for
correct installation.
2.Are the Print Cartridges correctly
installed?
Go to step 6. Reseat the Print
Cartridge(s)
(
page 8-10).
Go to step 5.
5 Does the error still occur? Go to step 6. Complete.