Service manual

4-4 Samsung Electronics
Disassembly
4-5 Base Ass’y
4-5-1 Rollers (ADF Roller, Drive Roller,
Exit Shaft)
1. Before you disassemble the rollers, you should
remove:
– Top Cover Ass’y (see page 4-2)
2. Take out the rollers from the base ass’y.
Note : Clean the surface of the rollers with ethyl alco-
hol. After wiping them, you must dry them
completely.
4-5-2 CIS (Contact Image Sensor)
1. Before you disassemble the CIS, you should
remove:
– Top Cover Ass’y (see page 4-2)
2. Remove the drive roller as described in ‘4-5-1
Rollers’.
3. Remove the one screw securing the CIS ass’y and
unplug the CIS harness. Take out the CIS ass’y.
4. Turn the CIS ass’y over. Remove the one screw to
release the CIS from the bracket.
Note: Be careful not to lose the springs.
Note : Check the glassy surface of the CIS for any
stain or scratch. If stained, wipe off with ethyl
alcohol. If it is heavily stained or scratched,
replace it with a new one.
Note : There is a little difference mono bracket and
color bracket.
ADF roller
Drive roller
Exit shaft
CIS ass’y
Drive roller
CIS harness
Spring
Mono
Bracket
CIS
Spring
Color
Bracket
CIS