A SERVICE OF

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2-24 Service Manual
5055-01x
994 - Density Sensor Error
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.
Service.bk Page 24 Thursday, October 4, 2001 12:20 PM