Low Density Black Cartridge Error - Xerox Phaser 6128MFP Service Manual

Low Density Black Cartridge Error

Phaser 6128MFP Service Manual
Troubleshooting Procedure Table
Step Actions and Questions
3 Check P/J19 and P/J191 connections
between the MCU Board and the
Cyan toner motor.
Are the connections secure?
4 Disconnet P/J19 and P/J191 and
check the harness continuity.
Is the harness damaged?
5 Check for +24 V at P/J19-4 of the
MCU Board.
Is 24 V available at pin 4?
6 Replace the Imaging Unit
(page 8-8).
Does the error persist?
7 Reseast the Transfer Belt at the
Front Cover.
Does the error persist?
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.
Error Messages and Codes
Yes No
Go to step 4. Reseat the
connectors.
Repair the Go to step 5.
harness.
Replace the Replace the
Dispense MCU Board
Assembly (page 8-57).
(page 8-91)
Go to step 7. Complete.
Replace the Complete
Transfer Belt
(page 8-103)
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