Samsung CLX-9350ND Service Manual page 525

● Symptom
1. USB port on back side does not work.
2. USB device port does not work.
3. Wired network does not work.
● Possible cause
Video controller is defective.
● Troubleshooting method :
Replace the video controller.
7.4.3 FDI device problem
● Symptom
FDI device does not work.
● Possible cause
1. FDI interface card is defective.
2. Video controller is defective.
● Troubleshooting method :
1. Replace the FDI interface card. Check its operation
2. Replace the video controller.
Service Manual
CLX-9250/9350 series
7. Troubles shooting
n again.
7-1 85
SAMSUNG ELECTRONICS