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Scanner Adjustments and Calibrations
1 Stay in the Software Oscilloscope and select Corrected and then press the
HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual
5-8
screen. You can see that the output is lower at the edges. This is because of
the lens in the camera. If you get a screen that looks distorted in comparison
with the above image, then maybe your camera is looking into the chassis
instead of the mirrors in the copier. To correct this, use the tool to rotate the
Vertical Alignment Screw located underneath the camera, rotate the screw
left or right until you get an oscilloscope image similar to the one shown.

Focus Adjustment

The first adjustment that you need to make is the focus. This adjustment
ensures, that the camera has the right focus, so that the following
adjustments aren't blurred out. The focus setting is not as sensitive as some of
the other adjustments, which makes it a good example to start with. When
you are finished with all the adjustments, you should check the focus again
just to be sure that it's still OK.
Execute button. Only adjust the focus in the corrected mode. Make sure
that the Blue color channel is selected.
Camera
Adjustment tool

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Troubleshooting

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This manual also for:

4500mfp, 4500, 820 mfp

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