Gestetner B070 Service Manual page 316

TOUCH SCREEN CALIBRATION
3. The "Touch Screen Adjustment" calibration screen will appear. Touch the
center of the circle in the upper left corner then the lower right corner of the
panel using a pointer (but not sharp!) tool.
4. Touch a few spots on the LED touch panel, and confirm that the marker
appears on the screen at exactly the same location as where it is touched. If it
does not, touch "Re-input" (or press the  key) and repeat the calibration
procedure.
5. Touch "OK" on the adjustment screen.`
6. Touch "Exit" to exit the self diagnostic mode.
B070/B071
CÓPIA NÃO CONTROLADA
3-158
CÓPIA NÃO CONTROLADA
SM