Lexmark C920 - Map 4 - False Tray (X) Low;Empty Message; Map 5 - False 30 Oil Coating Roll Missing Message

2-44 Service Manual
5056-XXX
Map 4 - False Tray (x) Low/Empty message
Map 5 - False 30 Oil Coating Roll Missing message
Note: Before performing map 6 or 7, remove the affected toner cartridge, shake it. Reinstall the cartridge.
Restart the printer to see if the message is displayed.
Step Questions/actions Yes No
1 Is the “Tray (x) Low” message present? Go to step 2. Go to step 4.
2 Is the paper level flag on the rear of the cassette
jammed or binding?
Repair or replace
the paper level
flag.
Go to step 3.
3 Is the paper level sensor dirty? Clean the paper
level sensor.
Replace the
printer control
board.
4 Is the “Tray (x) Empty Message” present? Go to step 5. Problem solved.
5 Is the paper out sensor attached to its connector, but
not properly attached to the paperfeed unit?
Reattach the
sensor to the
paper feed unit.
Go to step 6.
6 Is the paper out ball actuator broken? Replace the
paperfeed unit.
Replace printer
controller board.
Step Questions/actions Yes No
1 Is the OCR properly installed? Go to step 2. Properly install
the OCR.
2 Is the OCR fuse missing? Replace the
OCR.
Go to step 3.
3 Is the OCR contact at the rear of the fuser damaged or
broken?
Replace the
fuser.
Go to step 4.
4 Is CN19 on the printer controller board properly
connected?
Replace the
printer controller
board.
Properly connect
CN19.