Calibrating the Touchscreen
Troubleshooting
3-38 Efficia CM Series Repair Guide
Calibrating the Touchscreen
When you replace the LCD or the touchscreen is unresponsive, you must calibrate the
touch screen after reassembly.
To calibrate the touch screen:
Caution Use your finger to perform the test. Do not use a sharp object that could scratch the
screen.
Step
1
Open the Maintenance options in the Diagnostics Menu. See “Accessing the
Diagnostics Menu and Maintenance Options” on page 2-8.
2
Select the Touch Calibration button.
Note — You cannot exit the test until it is completed.
The calibration screen appears.
3
Caution
Touch and release each target and wait for the target to move to the
next position before touching it. Be careful not to touch any target more
than once, because it may adversely effect the calibration.
Touch and release the center of the target cross hair that appears.
The target moves to the next position, which is the top right corner.
4
Repeat step 3 for the remaining target cross hairs. The target moves
clockwise to each corner and then to the center.
After the center target is touched and released, a confirmation window
appears.
5
Select OK.
Caution
If the confirmation screen does not appear within a few seconds after
the center calibration target disappears, you must restart the monitor
and recalibrate the touchscreen.
The monitors restarts.
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