Service manual

D-95

(11) Zoom (CD)

Requirement

Adjust to eliminate any difference in width between the original test pattern and a test pat-

tern copy.

This adjustment must be made when the CCD Unit has been replaced.

Adjustment Procedure

1. Call the Tech. Rep. mode to the screen.

2. Touch [Function].

3. Touch [Printer].

4. Touch [F12 Test Pattern].

5. Touch [F12-3 (64-dot checkered)].

6. Select the paper source loaded with A4 crosswise or Letter crosswise paper.

7. Press the Start key, and without any delay, press the Stop key to let the copier produce

a test pattern.

8. Go back to the Basic screen.

Adjust Mode Setting Range

Zoom (CD) 0.990 to 1.010

9. Place the test pattern on the Original Glass and

lower the Original Cover.

10. Make a copy in the full size (× 1.000) mode.

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11. Measure width A on the original test pattern and

the copy of the test pattern and find any difference

between the two measurements.

If there is any difference, perform the following

adjustment steps.

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lead edge