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April 8, 1998
COPY QUALITY ADJUSTMENT
PARALLELOGRAM IMAGE ADJUSTMENT
The 1st and 2nd scanners are mounted perpendicular to the scanner rod in the factory. If they are not mounted perpendicular, a parallelogram image may appear. Since they cannot be reinstalled in the field correctly, the mounting screws must not be removed. The 4th and 5th mirror units have an adjustment screw on the bracket that can change the angle to the lens. If this angle is not correct, a parallelogram image also appears. This position is adjusted in the factory, however, it can be changed in the field by the following procedure if necessary. There is no need to adjust this screw position under normal usage conditions. The parallelogram image caused by the incorrect 1st and 2nd scanner mounting angle cannot be fixed by this adjustment.
