Phaser 6180 Color Laser Printer Service Manual 3-99
Error Messages and Codes
ADC Sensor Error
The ADC Sensor has detected density error.
Applicable Chain Link
■ Chain Link 092-651: 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
■ MCU Board, PL9.1.20
■ Transfer Unit, PL4.1.1
■ Print Cartridge (C/M/Y/K),
PL5.1.18-21
■ Front Cover Harness, PL1.2.11
■ Right Side Harness, PL10.1.15
■ “Map 1 - Electrical and Drive” on
page 10-10
■ “Map 4 - LVPS and MCU Board” on
page 10-13
■ “Xerographic” on page 10-40
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the Transfer Unit for correct
installation. Is the Transfer Unit
correctly installed?
Go to step 3. Reseat the
Transfer Unit.
Go to step 2.
2 Does the error still occur? Go to step 3. Complete.
3 Check the toner density. Perform
Gradation Test Print (page 5-17):
Service Mode > Test Print >
Gradation ESS.
Is there dark color on the print?
Compare the density of four colors
toner.
Go to step 4. Replace the
MCU Board
(page 8-87).
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