Konica Minolta bizhub C253 Installation Manual page 9

XIII. Adjusting touch panel
1. Turn ON the Main Power Switch and then Sub
Power Switch.
2. Press the accessibility key.
3. Touch "Touch Panel Adjustment."
4. Using a ballpoint or similar device, lightly touch
the center of the + markers at four places on the
touch panel.
(Any specific marker can be the first one.)
Note:
Pressing the touch panel hard may cause dam-
age.
* When all the markers at four places have been
touched, the start key turns blue and lights up
steadily blue.
5. Press the start key.
6. Touch "Close."
XIV. Setting gradation adjust
1. Set that A3
the tray.
2. Display the Service Mode screen.
(For details of how to display the Service Mode
screen, see the service manual.)
3. Touch "Imaging Process Adjustment."
4. Touch "Gradation Adjust."
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5. Touch "Stabilizer" and press the start key.
* When the start key lights up blue, go to step 6.
Note:
When a maintenance call occurs, see the service
manual.
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6. Touch "High Compression Mode" and press the
start key.
A test pattern will then be produced on the A3
or Ledger
E-9
or Ledger paper is loaded in
paper.
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