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Diagnostic Information 2-19
5055-01x
981 - Belt Up/Down Sensor Error
981 Service
Switch Error
Step
Questions /
Actions
Yes No
1 Are connectors
CN409 and
CN407 on the
sensor board
connected
properly?
Go to step 2. Plug the connectors
in securely.
2 Are connectors
CN26 and CN29
on the printer
controller board
connected
properly?
Go to step 3. Plug the connector in
securely.
3 Verify the belt up/
down sensor
actuator is
properly blocking
the sensor by
manually
operating the belt
up/down shaft.
Is it properly
blocking the
sensor?
Go to step 4. Replace the sensor
or actuator as
necessary.
4 Clean the belt up/
down sensor.
Does this fix the
problem?
Problem solved. Go to step 5.
Service.bk Page 19 Thursday, October 4, 2001 12:20 PM