Ricoh FT4430 Service Manual page 161

1. Turn off the main switch.
2. Remove the exposure glass. (See Exposure Glass Removal.)
3. Move the first scanner to the position where the rear frame is cut out.
4. Remove the front and rear terminal covers [A] (1 screw each).
- Horizontal Adjustment -
5. Position a scale [B] near the rear sight hole [C] of the reflector cover [D]
to form a right angle for viewing alignment as shown.
6. View the lamp filament [E] through the sight hole in parallel with the scale.
The filament should be directly beneath the sight hole.
NOTE: If the filament cannot be seen easily, use a pen light [F] to illuminate
the exposure lamp.
7. To correct the position of the filament turn the adjusting screw [G].
8. Repeat the above steps from 5 to 7 with the front sight hole.
5-14