ADF input reverse ADF LED indicator
Flatbed motor
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Control Panel
Use this feature to make sure the components of the control panel are functioning correctly.
You can turn each LED on and off independently to make sure that it is functioning correctly.
You can display a test pattern on the control-panel display. If no test pattern appears, the display
is not functioning correctly.
You can press each hard key to make sure that it is functioning correctly.
You can display a grid on the control-panel display. Touch each section of the grid to verify that it
is sensitive to touch.
Calibrate the scanner
Calibrate the scanner to compensate for offsets in the scanner-imaging system (carriage head) for ADF
and flatbed scans. Because of mechanical tolerances, the scanner's carriage head might not read the
position of the image accurately. During the calibration procedure, scanner offset values are calculated
and stored. The offset values are then used when producing scans so that the correct portion of the
document is captured.
Scanner calibration should be carried out only if you notice offset problems with the scanned images.
The scanner is calibrated before it leaves the factory. It only rarely needs to be calibrated again.
NOTE Before calibrating the scanner, make sure that the print engine input paper trays have
been correctly adjusted. From the control panel, select Administration, Print Quality, and Set
Registration (see
Use the Administration menu on page 36.
1. From the Home screen, touch Administration.
2. Touch Troubleshooting.
3. Touch Calibrate Scanner and then follow the instructions in the onscreen dialog box.
The device starts the calibration process, and Calibrating appears on the touchscreen status line
until the process is complete.
ENWW Troubleshooting menu 515
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