GRAPHTEC CS1000EV User Manual page 61

5. DAILY MAINTENANCE
(14) If any abnormal data is observed, specify the problem areas as follows:
Select Specified Part in Calibration.
(15) The mouse arrow cursor changes to a cross cursor when moved over the data. Click
the left mouse button with the mouse positioned over the streak data. The selected
area is shown in blue. Repeat this procedure for any additional streaks.
Areas that have been selected (shown in blue) can be deselected by clicking the left
mouse button again. To deselect all selected areas, click the Clear button.
(16) Once all required areas have been specified, remove the calibration sheet and clean
the glass and table surfaces. Check the calibration sheet for dust and dirt, then click
the Execute button.
(17) Return to step (10) and verify the calibration results.
If you perform the calibration procedure several times with no discernible results, there
may be a problem with the scanner itself. In this case, please contact your Graphtec
vendor.
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