Phaser 6128MFP Service Manual 3-67
Error Messages and Codes
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Replace the affected Toner Cartridge
(page 8-13).
Does the error still occur?
Go to step 2. Complete.
2 Check Toner CRUM harness
continuity between P/J31 on the
MCU Board and these CRUM
connections:
■ Yellow: J311
■ Magenta: J312
■ Cyan: J313
■ Black: J324
Is the Toner CRUM harness
damaged?
Repair the
harness.
Go to step 3.
3 Check the toner CRUM voltage at
P/J31 on the MCU Board.
Measure the voltage across:
■ Ground <=> P/J31-3 pin (Yellow)
■ Ground <=> P/J31-7 pin (Magenta)
■ Ground <=> P/J31-11 pin (Cyan)
■ Ground <=> P/J31-15 pin (Black)
Is +3.3 V available at the indicated
CRUM connector?
Replace the
Dispense
Assembly
(page 8-91).
Go to step 4.
4 Check for +3.3 V at P/J14 on the
MCU Board.
Is 3.3 V available at P14-12?
Replace the
MCU Board
(page 8-57).
Replace the
LVPS
(page 8-47).
To Next Page
Loading...
