Minolta Di251, Service Manual

Page: 120 / 362

I-32 Di251/Di351 Rev. 1.1.0.0/03.01
left
6. Make the Zoom Adjustment.
A (CD) / B (FD)
If the line is longer than the specifications,
adjust toward the reduction side.
If the line is shorter than the specifications,
adjust toward the enlargement side.
7. Press the Clear key.
8. Enter the value from the 10-Key Pad.
Adjustment Range: x1.010 to x0.990
9. Touch [END] to go back to the initial screen.
Make a copy again and check for correct
zoom.
1.7.7 Checking for Registration
1. Prepare a test chart (A3) as shown.
Draw a straight reference line at a point 20
mm from the rear edge and another at a point
20 mm from the top edge of the chart.
2. Load the test chart in the ADF and make a
full-size copy.
3. Check that the margins reproduced on the
copy meet the following specifications.
Margin Registration Specifications:
Width A: 20 ± 2.0 mm
Width B: 20 ± 3.0 mm
If the margins reproduced on the copy fall
outside the specified range, make the
“Registration Adjustment.”
1 2
4
5
1.001
20mm
20mm