Focus Adjustment - Ricoh FT5540 Service Manual

7.3 Focus Adjustment

The copy image is out of focus.
When:
After adjusting the horizontal magnification.
Target:
Copy image in focus
Measure: SP 47 (0.1 % per step, 15 steps)
How: Adjusts the fourth and fifth mirror assembly home position, changing the
distance between the original and the drum surface.
1. Make three A3/LDG copies with the test chart.
2. Adjust the focus using SP 45. Refer to the letter portion on the copies.
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31 August 1989