Lcd Touch Problem - Samsung CLX-9201 Service Manual

11) LCD touch problem

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Symptom : During Ready or Job processing , Touch LCD does not work.
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Cause :
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Touch screen panel calibration problem
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Touch screen panel connection interface problem
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UI PBA problem
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Troubleshooting
1) Execute the touch screen calibration.
a) Turn off the machine.
b) While pressing the number 0 on numeric keys, turn the machine on. Wait until calibration screen appears.
c) Press centre of mark + following order 1~5. Use your finger. Perform 2 times.
d) If there is no problem, "Complete" will appear on LCD and reboot the machine. When making a mistake, start
again from the step 1.
2) Check the touch screen panel flat cable connection on UI PBA.
3) If the connection is OK, replace the UI PBA with new one.
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4. Troubleshooting
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