Xerox DocuColor 12/DCCS50, Service Manual

Page: 536 / 1617

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4-212 DocuColor 12/DCCS50
ADJ 9.1.18
Reissue
Repairs and Adjustments
ADJ 9.1.18 Touch Panel Starting Point Correction
Purpose
To align the starting points of the UI display and the touch panel switches.
Check
This adjustment is required when replacing the Control Panel or the UI PWB.
Adjustment
NOTE: Each copier is equipped with an adjusting pen for this adjustment, which is stored
under the right side panel of the control panel.
1. Switch off the power.
2. Access the UI touch panel and adjusting pen.
a.
Remove the right side panel from the control panel.
b. Remove the adjusting pen.
3. Switch on the copier.
4. Push the ‘starting point correction’ switch on the lower right corner of the UI PWB ( Figure
1 ).
• A blank screen will be displayed.
Figure 1 UI PWB and Touch Panel Display
5. Press the ‘starting point connection’ switch again in order to display the adjustment
screen (
Figure 2 ).
• A pattern of intersecting grid lines (P1 thru P9) will be displayed.
Figure 2 Adjustment Screen #1
6. Apply the point of the adjusting pen in sequence to each line intersection(P1 thru P9) on
the adjustment screen.
•
One or more LEDs may light on the UI PWB.
7. Press the ‘starting point correction’ switch again to display the next screen.
•
A new pattern of intersecting grid lines will be displayed.
8. Apply the adjusting pen to each of the four line intersections ( Figure 3 ).
• If four audible beeps are heard, adjustment is OK.
• If you don’t hear four beeps, perform the adjustment again from the third step.
Figure 3 Adjustment Screen #2
9. Reinstall the adjusting pen and all removed parts.
ADJUSTING
PEN
LED(S) STARTING POINT
CORRECTION
SWITCH
DISPLAY
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