Ricoh Gestetner 5450, Service Manual, Page: 203 / 315

SCANNER UNIT 1 July, 1998
6-12
6.5.3 ORIGINAL SIZE SENSOR AND LENS BLOCK/SBU
ASSEMBLY
Original Size Sensors
1. Remove the exposure glass. (See 6.1.1 Exposure Glass, Operation Panel, and
Upper Covers.)
2. Remove the lens covers. (See 6.5.1 Lens Cover.)
3. Change the original size sensors [A]: two for 110/120 V machines and three for
220/240 V machines (2 screws each).
Lens Block/SBU Assembly
1. Remove the exposure glass and operation panel. (See 6.1.1 Exposure Glass,
Operation Panel, and Upper Covers.)
2. Remove the lens covers. (See 6.5.1 Lens Cover.)
3. Disconnect the flexible cable [B].
4. Remove the grounding wire [C] (1 screw).
5. Remove the lens block [D] (4 screws).
C229R072.WMF
[A]
[B]
[C]
[D]