Lexmark 4059-XXX User Manual
Page 99

Diagnostic Information
2-72
4059-XXX
Excessive Noise or Vibration
FRU
Action
1
Motor Plate Assembly
Be sure the motor plate assembly
screws are tight. Be sure the motor
mounting screws are tight.
2
Motor Drive Belt
Check the belt to be sure it is not too
tight. The motor can be adjusted
while the motor is running for
minimum belt noise and optimum
performance.
Note: If the belt is too tight a high
pitch noise results.
3
Lead Screw Bearings
If the bearings are worn or defective
the lead screw may “wobble”. Be
sure the bearings and leadscrew are
operating properly with no binds.
4
Idler Pulley
Be sure the idler pulley is not
binding, worn or broken.
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