Minolta Di251 Service Manual page 111

3. Touch "Printer".
4. Touch the key for the direction to be adjusted.
5. Touch "Test Print".
6. Touch "Duplex" and press the start key.
Measure margins A and B on the copy.
A
Standard Values:
B
A4C 10.0 mm ± 3.0 mm
Letter C 10.0 mm ± 3.0 mm
If the measured width is not within the standard
values, use the following procedure for
adjustment.
Main scanning direction
Rev. 11..0.0/03.01 I-23 Di251/Di351