Read Sharp MX-1800N (serv.man23) Service Manual online
MX-1800N SCANNER SECTION C – 3
3. Disassembly and assembly
A. Optical system
(1) Scanner unit
1)
Remove the upper cabinet rear cover and the upper cabinet
rear.
rear.
2)
Remove the table glass and the SPF glass.
3)
Remove the upper cabinet right and the upper cabinet left.
4)
Disconnect the connector and remove the snap band.
5)
Remove the screws, and remove the scanner unit.
a. Table glass /
b. SPF glass
1)
1)
Remove the SPF glass (A). Remove the glass holder (B) and
the table glass (C).
the table glass (C).
Unit
Parts
Maintenance
(1)
Scanner unit
a
Table glass
{
b
SPF glass
{
c
Lens
{
d
CCD
{
e
Reflector
{
f
Mirrors
{
g
Lamp
{
h
CL inverter PWB
i
CCD unit
j
Scanner motor
k
Scanner home position
sensor
sensor
l
Original cover SW
m
Document detection light
receiving PWB
receiving PWB
n
Document detection light
emitting PWB
emitting PWB
o
Rails
✩
p
Drive wire
q
Drive belt
(1)-a
(1)-o
(1)-b
(1)-p
(1)-h
(1)-g
(1)-p
(1)-f
(1)-d
(1)-f
(1)-e
(1)-c
(1)-o
(1)-m
(1)-n
(1)-l
(1)-j
(1)-k
(1)-q
(1)-i
(1)
1
2
3
A
B
C
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