Xerox Phaser 6280, Service Manual

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Phaser 6280 Color Laser Printer Service Manual 3-135
Error Messages and Codes
ADC Sensor Error (High Density)
The ADC Sensor has detected high 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 “01” display on the
Control Panel?
Go to step 2. Go to step 10.
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 toner density. Perform
Gradation Test Print (page 5-13):
Service Mode > Test Print >
Gradation ESS .
2. Compare the density of four colors
toner. Is there dark color on the
print?
Go to step 5. Replace the
MCU Board
(page 8-86).