Samsung SCX-82x0 series Service Manual page 375

● Symptom
Touch screen does not operate properly.
● Possible cause
The linearity value for touch panel has changed due to
● Troubleshooting method :
1. Turn off the machine.
2. While pressing the number 0 on numeric keys, turn
appears.
3. Press centre of mark + following order 1-9. Use styl
4. If there is no problem, "Complete" will appear on LC
When making a mistake, start again from the step 1
Service Manual
7.Troubles shooting
o using a machine long hours or surroundings.
on the machine. Wait until the calibration screen
us. Perform 2 times.
CD and reboot the machine.
.
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