4096-00X

Service Checks

Carrier Transport Service Check

 

FRU

Action

 

 

 

1

System Board

Check the motor for binds, or loose motor pulley.

 

 

Turn the printer off and disconnect N6 from the

 

 

system board. Check for motor pins shorted to the

 

 

motor housing. If you find a pin shorted to the

 

 

housing, replace the motor. If the failure remains,

 

 

replace the system board.

 

 

 

2

Carrier Transport

A noisy or chattering motor or a motor that fails to

 

Motor

turn can be caused by:

 

 

• An open or short in the motor.

 

 

• An open or short in the motor driver on the

 

 

system board.

 

 

• A bind in the carrier transport mechanism.

 

 

With the carrier transport motor cable

 

 

disconnected from the system board, check for

 

 

zero to ten (0 - 10) ohms between the following

 

 

pins on the motor:

 

 

N6-1 and N6-2

 

 

N6-3 and N6-4

 

 

If the readings are incorrect, replace the motor.

 

 

 

3

Carrier Guide Rod

Clean the carrier rod.

 

 

Note: Lubricate the carrier guide rod and the

 

 

carrier rod bearing surface with grease P/N

 

 

1329301.

 

 

 

4

Carrier Transport

Check for worn, loose or broken parts. Check for

 

Belt

obstructions blocking carrier movement.

 

Idler Pulley Parts

 

 

Carrier Frame

Carrier to carrier frame engagement should be

 

 

lubricated with grease P/N 1329301.

 

 

 

Diagnostic Information 2-5

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Lexmark 1000, 1100 manual Service Checks, Carrier Transport Service Check