Exposure Lamp Unit Removal - Ricoh FT7770 Service Manual

30
April, '89

3. Exposure Lamp Unit Removal

2. Remove the exposure glass.
3. Remove the rear scale [A] (2 screws).
4. Disconnect the ribbon cable connector [B].
5. Remove the automatic density sensor (ADS) with bracket [C] (1 screw).
6. Manually position the first scanner so that the access holes in the top
plate align with the exposure lamp unit mounting screws [D] as shown.
CAUTION: - To move the first scanner manually, use the first scanner guide bracket.
- Do not remove the reflector mounting screws.
7.
Loosen the two exposure lamp unit mounting screws and remove the ex-
posure lamp unit [E] from the copier as shown.
Check the light intensity and adjust if necessary. (See "Light Intensity
8.
Adjustment.)
Do not use the exposure lamp unit.
- Do not bend the fiber-optic cable.
(Refer to "Exposure Glass Removal".)
5-20