Lexmark Optra S Service Manual - Page 99
Excessive Noise or Vibration, Motor Drive Belt
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4059-XXX Excessive Noise or Vibration FRU 1 Motor Plate Assembly 2 Motor Drive Belt 3 Lead Screw Bearings 4 Idler Pulley Action Be sure the motor plate assembly screws are tight. Be sure the motor mounting screws are tight. 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. If the bearings are worn or defective the lead screw may "wobble". Be sure the bearings and leadscrew are operating properly with no binds. Be sure the idler pulley is not binding, worn or broken. Diagnostic Information 2-72
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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.