Minolta CF910 Service Manual page 291

Zoom Ratio Error
200 190
200 190
2. Access the "IR Area" screen.
3. Press the Start key to make a test copy.
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4. Measure the scale on the test copy.
Specifications
CD zoom ratio: 200 ±1 mm
FD zoom ratio: 300 ±1.5 mm
180
5. If the specifications are not met, calculate
the zoom ratio error.
180
Calculation Formula
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Specifications / Measurement Taken on
Copy=Copy Zoom Ratio Correction Factor
6. Select "CD-Mag" and, using the shift keys
(
lated in step 5.
Example
If the 200-mm position on the copy is 198 mm
on the actual scale, calculate the correction
factor as follows:
200 mm / 198 mm = 1.01
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Using the shift keys, set ×1.01 for the correc-
tion factor.
7. Adjust "FD Mag" using the same proce-
dure.
8. After the adjustments have been made,
touch "Ex.".
D-130
or ), input the correction factor calcu-