Lexmark C910 - Black Gear Sensor Error; Yellow Gear Sensor Error

2-26 Service Manual
5055-01X
983 - Black Gear Sensor Error
984 - Yellow Gear Sensor Error
983 Service
Gear Sensor
Step
Questions /
Actions
Yes No
1 Is connector CN20
on the printer
controller board
connected properly?
Go to step 2. Plug the connector
in securely.
2 Clean the gear
sensor. Does this fix
the problem?
Problem solved. Replace the K
drive unit gear
sensor. If the
problem remains,
replace the printer
controller board.
Step
Questions /
Actions
Yes No
1 Is connector CN20
on the printer
controller board
connected properly?
Go to step 2. Plug the connector
in securely.
2 Clean the gear
sensor. Does this fix
the problem?
Problem solved. Replace the Y
drive unit gear
sensor. If the
problem remains,
replace the printer
controller board.