Question about Lexmark X646e Laser Printer

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Knocking noise when printing - Lexmark X646e Laser Printer

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Check the following:


1. DC motor assembly.
Make sure all the motor plate mounting screws are tight.


2. Idler pulley - DC motor assembly.
Make sure the idler pulley is not binding on the pulley shaft. Check the pulley for wear. Check the idler pulley shaft on the motor mounting plate for damage or contamination.


3. Drive pulley.
Check the drive pulley for wear, binds or damage to the pulley or pulley shaft. Make sure the pulley turns freely on the pulley shaft.


4. Motor drive belt - tray drive belt.
Check the DC motor drive belt for damage. Make sure the belt is tracking correctly on the drive pulley, idler pulley, and motor pulley. Check the tray drive belt for damage. Make sure the belt is tracking correctly on

Posted on Dec 12, 2012

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Posted on Jan 02, 2017

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