Xerox Phaser 6128MFP - Low Density Black Cartridge Error

Phaser 6128MFP Service Manual 3-63
Error Messages and Codes
Low Density Black Cartridge Error
The ADC Sensor detects an insufficient amount of Black Toner being applied. The
following troubleshooting procedure applies to these errors.
Applicable Error
• Low Density Black Cartridge
Initial Actions
• Check that the cartridge is a genuine Xerox Toner Cartridge. If not, replace
with a genuine cartridge.
• Check the Toner Cartridge life cycle count. If at or near end of life, replace the
cartridge.
• Remove, inspect, and gently shake the the cartridge from side to side..
• Check for sealing tape on the Imaging Unit.
• Cycle system power.
• If problem persists, follow the procedure below.
3 Check P/J19 and P/J191 connections
between the MCU Board and the
Cyan toner motor.
Are the connections secure?
Go to step 4. Reseat the
connectors.
4 Disconnet P/J19 and P/J191 and
check the harness continuity.
Is the harness damaged?
Repair the
harness.
Go to step 5.
5 Check for +24 V at P/J19-4 of the
MCU Board.
Is 24 V available at pin 4?
Replace the
Dispense
Assembly
(page 8-91)
Replace the
MCU Board
(page 8-57).
6 Replace the Imaging Unit
(page 8-8).
Does the error persist?
Go to step 7. Complete.
7 Reseast the Transfer Belt at the
Front Cover.
Does the error persist?
Replace the
Transfer Belt
(page 8-103)
Complete
Troubleshooting Procedure Table
Step Actions and Questions Yes No