Ricoh FT 4015 - Focus Adjustment; Leading Edge Erase Margin Adjustment; Registration Adjustment

8.10 FOCUS ADJUSTMENT
When:
The copy image is out of focus.
After adjusting the horizontal magnification.
Purpose:
To maintain proper focus.
Adjustment
Standard:
Copy image in focus.
How to Adjust:
SP47 (0.1 mm/step,101 steps)
How it works:
Adjusts the 4th/5th mirror assembly home position, changing the
distance between the original and the drum surface.
1. Make three copies with the test chart.
2. Adjust the focus using SP47. Check the text on the copies.
8.11 LEADING EDGE ERASE MARGIN ADJUSTMENT
When:
The leading edge erase margin is not within the adjustment standard.
Purpose:
To maintain the correct leading erase margin.
Adjustment
Standard:
2.5
±
2.0 mm (0.1
±
0.08")
How to Adjust:
SP41 (0.5 mm/step, 16 steps)
How it works:
Changes the erase lamp on period.
1. Place a 150 mm scale perpendicular to the left scale on the exposure
glass.
2. Adjust the leading edge erase margin using SP41. Make three copies
and check the erase margin.
8.12 REGISTRATION ADJUSTMENT
When:
Registration is not within the adjustment standard.
Purpose:
To maintain proper registration.
Adjustment
Standard:
0
±
2 mm (0
±
0.08")
How to Adjust:
SP42 (0.5 mm/step, 16 steps)
How it works:
Changes the registration roller start timing.
1. Place a 150 mm scale perpendicular to the left scale on the exposure
glass.
2. Adjust the registration using SP42. Make three copies and check the
registration.
Replacement
Adjustment
20 December 1996 COPY QUALITY ADJUSTMENT
6-59