Muratec F-116 - Manual (Page 133)

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.