Lexmark C920 - High-Capacity Feed Sensor Error; High-Capacity Feed Tray Error; Duplex Error; Engine Flash Error

2-16 Service Manual
5056-XXX
940 - High-Capacity Feed Sensor Error
941 - High-Capacity Feed Tray Error
942 - Duplex Error
945 - Engine Flash Error
Reflash the engine code.
Step Questions/actions Yes No
1 Is connector CN22 on the printer controller board
connected properly?
Go to “High-
capacity feeder
(HCF) service
check” on
page 2-53.
Plug the
connector in
securely.
Step Questions/actions Yes No
1 Is connector CN22 on the printer controller board
connected properly?
Go to “High-
capacity feeder
(HCF) service
check” on
page 2-53.
Plug the
connector in
securely.
942 Service
Duplex
Step Questions/actions Yes No
1 Is connector CN16 on the printer controller board
connected properly?
Replace the
printer controller
board.
Plug the
connector in
securely.
945 Service
Engine Flash