Troubleshooting

7.2.3 Abnormal noise

Description There is noise from the ADF when copying.

Check and Cause

Solution

1. Check the Scanner Motor, gearbox and rollers.

1. Check for correct assembly of gears and motor.

 

Ensure no parts are fouling and there are no foreign

 

objects in the mechanism or scanner path. Replace

 

any worn parts

2. Check the Motor Driver on Driver PBA.

2. Replace the main PBA.

7.2.4 Defective Image Quality

Description The copied image is excessively light or dark

 

Check and Cause

Solution

1.

Check shading profile.

1. Redo shading profile in the tech mode.

2.

Check the gap between original and scanner

2. A gap of more than 0.5 mm can cause a blurred

 

glass.

image. Ensure rollers and cover close correctly.

 

 

Replace as necessary.

3. Check printing quality.

3. See "Print" troubleshooting.

Service Manual

7-9

Samsung Electronics

Page 74
Image 74
Samsung SCX-4100 specifications Abnormal noise, Defective Image Quality