Savin 4027 Service Manual download pdf (Page 84)

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101

1.4 OPTICS

1. When installing the exposure glass, make sure that the mark on the edge

of the glass faces up. This makes sure that the correct side faces up; this

side has a smoother surface and generates less static electricity. This is

especially important when the ARDF is installed.

2. When moving the 1st or 2nd scanners, always hold them at the center.

Move them slowly, carefully, and gently. Abrupt movement may cause

the belt to slip into the wrong position on the scanner drive pulleys.

3. Do not bend or crease the exposure lamp flat cable.

4. Do not touch the following parts with bare hands:

a) Reflectors

b) Exposure lamp

c) Mirrors and lens

d) ADS and V

patterns under the left scale bracket

5. To clean the mirrors and lens, use only a clean soft cloth dampened with

alcohol or water.

6. The mirror surface with the reflective coating must face the light path.

The spring plates must contact the reverse side of the mirror (the side

without the reflective coating).

7. If you ever adjust the exposure lamp voltage with SP4-001, be sure to

perform auto ADS gain adjustment (SP4-201) and forced V

detection

(SP3-105) immediately afterwards. This is because ADS gain data and

REF

data will be cleared if SP4-001 is performed.

1.5 ERASE LAMP

1. A narrower lead edge erase margin increases the possibility of fusing

jams. The margin should be at least 1.0 mm.

2. After cleaning the erase lamp unit, rub it lightly with your finger to

discharge any static electricity on the surface.

Service Tables

FSM 4-3 A156/A160/A162

CÓPIA NÃO CONTROLADA

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Savin 4027 Service Manual Page 84

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