Toner Feed Switch Error/Toner Lock Lever Error
Error Codes that Apply
144 Yellow 145 Magenta 146 Cyan 147 Black
1. Ensure that the Toner Cartridges are fully seated and locked into position
2. Cycle the printer's power.
3. If the problem persists follow the procedure below.
1. Toner Cartridge
2. Image Drum Unit
3. RFID Antenna
4. RFID Reader Board
5. Engine Control Board
Steps Action Taken Yes No
1
Check for packaging material.
Is there packing materials present?
Remove the Material
Go to Step 2.
2
Remove the cartridge and tap it on a
hard surface to break up any
compacted toner. Reinstall the
cartridge. Does the error persist?
Go to Step 3.
Complete
3
Check the RFID Harness continuity.
1. Remove the Top Cover.
2. Disconnect the RFID cable from the
RFID and on the Engine Control Board
Is the cable conductive?
Replace the RFID
Reader Board.
If the error persists, go
to Step 4.
Replace the RFID
Harness. If the error
persists, go to Step 4.
4
Check the Antenna Harness
continuity.
Disconnect the connectors from the
RFID Reader Board and Antennas.
Is each harness conductive?
Replace the RFID
Antennas
Replace the damaged
Wiring. If the error
persists, Replace the
Engine Control Board. If
the error persists,
Replace the LVPS
Initial Troubleshooting Actions to Take
Parts of the Printer that Apply
Troubleshooting Procedure
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