Troubleshooting

6.2 Copy Problems

6.2.1 White Copy

Description Blank page is printed out when copying.

 

Check and Cause

 

Solution

 

 

 

 

1.

Check the Scanner Cover is properly closed.

1.

Room light can pass through a thin original.

2.

Check shading profile.

2.

Redo shading profile in the tech mode.

3.

Check white/black reference voltage on Main PBA. e.q

3.

Replace CN8 if it is defective.

 

• CIS_SI, CIS_CLK at CN8

 

CN8-Pin6(CIS-SI)

 

• Or Check the FFC

 

CN8-Pin7(CIS-CLK)

 

 

 

 

6.2.2 Black Copy

Description Black page is printed out when Copying.

 

Check and Cause

 

Solution

 

 

 

 

1.

Check for CIS problem on the Main PBA.

1.

Check the CIS harness is properly connected.

2.

Check shading profile.

2.

Redo shading profile in the tech mode.

 

 

 

 

6-8Service Manual

Samsung Electronics

Page 89
Image 89
Samsung SCX-4200 manual Copy Problems, White Copy, Black Copy