18) Zoom (FD)
Requirements
1) The difference should be within ± 0.5% of the actual length.
2) Adjust so that the following specifications are satisfied with a scale length of 300 mm.
Zoom Ratio
Full size (×1.000)
NOTE
This adjustment is to be made only if Zoom (CD) falls outside the specified range, as checked after
the Scanner Drive Cable has been replaced.
Adjustment Procedure
3. Call the Adjust mode to the screen.
4. Touch the [IR] key to highlight "Zoom (FD)".
Specification
300 ± 1.5 mm
1. Place a scale in parallel with the Original Length Scale
(Perpendicular to the Original Width Scale) and make a
copy.
* Use the full size (×1.000) mode and A3 or 11" × 17" paper.
* If the scale is of plastic and transparent, place a blank
sheet of paper over it.
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2. Measure the length of the scale on the copy to find the
difference.
* If the difference is outside the specification, adjust follow-
ing the procedure shown below.
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D-106
Adjust Mode
Zoom (FD)
Setting Range
0.990 to 1.010