Perfection 4870 Photo Revision A
DISASSEMBLY/ASSEMBLY Disassembly Procedure 44
4.2.4 Removal of Main Board
1. Remove of Upper Housing.
(Refer to 4.2.2 Removal of Upper Housing )
2. Move the Carriage Unit to the centre.
Figure 4-12. Moving Carriage Unit
3. Remove the two screws (C.B.S M3x5) which secure the Main Board Cover.
4. Remove the Main Board Cover in the following procedure.
1. Release the hook A and the hook B, and lift the rear side of the Main Board
Cover.
2. With the Main Board Cover lifted, slide it to the rear, release the hook C and
then remove the Main Board Cover.
Figure 4-13. Removal of Main Board Cover
Carriage Unit
Hook C
Step 4-2
Hook A
C.B.S M3x5
(9±1 kgfcm)
Main Board
Cover
Step 4-1
Hook B