Brother PR655 Service Manual page 222

Test mode
#31. Touch panel adjustment checking
Select this mode to check that there is no gap in the touch panel and LCD.
Touch the center of the [+] symbol with a touch pen.
The gap (dots) of X or Y is displayed.
When the gap is within an allowance, "OK" is displayed.
When the gap is not within an allowance, "ERROR" is displayed.
*Key point
• Within an allowance of X is ±5dots
Within an allowance of Y is ±5dots
*Note
• When the "ERROR" is displayed, adjust the touch panel again
following procedure.
Adjustment of touch panel
1. Touch anywhere inside the touch panel, and turn the machine off, then on again.
- Continue touching the touch panel until the adjustment screen appears.
- The start/stop button is red.
2. Use the included touch pen to touch the center of the numbered crosses on the screen, from 1 to 5.
- AD Value X and AD Value Y numbers change with the touch of each numbered cross to show variables.
- If the buzzer sounds when cross number 5 is touched, an error occurred during setting, and "ERROR" appears on the screen.
Touch the crosses again, starting from 1 to 5.
3. After making the necessary touch panel adjustment, "SUCCESS" will show on the screen.
4. Turn the machine off, and on again.
Selecting test mode
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