Lexmark C910 - Density Sensor Error; Finisher Main Feed Motor Abnormal

Diagnostic Information 2-29
5055-01X
994 - Density Sensor Error
995 - Finisher Main Feed Motor Abnormal
Step
Questions /
Actions
Yes No
1 Are connectors
CN406 and
CN407 on the
sensor board
connected
properly?
Go to step 2. Plug the connector in
securely.
2 Is connector CN29
on the printer
controller board
connected
properly?
Replace the density
sensor.
Go to step 3.
Plug the connector in
securely.
3 Did replacing the
density sensor fix
the problem?
Problem solved. Replace the printer
controller board.
995 Service
Finisher
Step
Questions /
Actions
Yes No
1 Is there jammed
paper or other
obstructions in the
paper path?
Clear the paper
path.
Go to step 2.