2WIRE F-116P 사용자 설명서

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Alignment and Troubleshooting
4-73
3) Abnormal noise
Description :   There is noise when copy.
1. Check the Scanner Motor 
and any mechanical disturbance.
Check the right position of the 
Scanner Motor, and check the any 
mechanical disturbance in the 
CCD carriage part.
If any driver is defective, replace it.
. Connection PBA U4-1, 19 or 
  U5-1, 19=0V to 24V swing signal 
   when operating.
2. Check the Motor Driver in Driver PBA.