Sharp AR-M35 / AR-M450 (serv.man12) Service Manual ▷ View online
AR-M350 DISASSEMBLY AND ASSEMBLY, MAINTENANCE 7-6
h. OC open sensor
1) Remove the rear cabinet.
2) Remove the OC open sensor.
2) Remove the OC open sensor.
i. Mirror home position sensor
1) Remove the rear cabinet.
2) Remove the mirror home position sensor.
2) Remove the mirror home position sensor.
j. Scanner control PWB
1) Remove the scanner rear lower cabinet.
2) Disconnect the connector and earth band, and pull out the scanner
2) Disconnect the connector and earth band, and pull out the scanner
control PWB.
*
When the scanner control PWB is replaced, the EEPROM must be
replaced.
replaced.
k. Operation panel unit
1) Remove the operation panel lower cabinet.
2) Remove the harnesses.
3) Remove the scanner right cabinet.
4) Remove the operation panel unit.
2)
3)
1)
1)
2)
3)
1)
1)
2)
2)
5)
3)
4)
1)
2)
1)
1)
1)
1)
1)
2)
1)
1)
2)
, ! "#$%&'
AR-M350 DISASSEMBLY AND ASSEMBLY, MAINTENANCE 7-7
l. Inverter PWB/LVDS PWB/LCD panel
1) Remove the operation panel unit.
2) Remove the harness, and remove the inverter PWB and the LVDS
2) Remove the harness, and remove the inverter PWB and the LVDS
PWB.
3) Remove the LCD rear cover, and remove the LCD.
m. Operation control PWB
1) Remove the operation panel unit.
2) Remove the operation control PWB.
2) Remove the operation control PWB.
n. Original detection PWB (Light receiving side)
1) Remove the operation panel lower cabinet.
2) Remove the original detection PWB (light receiving side).
2) Remove the original detection PWB (light receiving side).
o. Scan lamp
1) Remove the table glass.
2) Remove the scan lamp unit.
2) Remove the scan lamp unit.
p. CCD/lens unit
1) Remove the table glass.
2) Remove the dark-box cover.
3) Remove the CCD/lens unit.
Note:
Note:
The CCD/lens unit is factory-adjusted before shipping.
Since these adjustments cannot be performed in the market.
Never touch the screws other than screw 2) of the CCD/lens unit.
1)
1)
1)
1)
2)
2)
3)
4)
5)
4)
1)
1)
2)
3)
2)
3)
1)
1)
2)
2)
2)
2)
3)
2)
1)
2)
2)
1)
2)
3)
1)
2)
4)
1)
1)
1)
1)
1)
2)
2)
3)
1)
! "#$%&'
AR-M350 DISASSEMBLY AND ASSEMBLY, MAINTENANCE 7-8
Note for CCD/lens unit installation
<1>Adjust the CCD unit adjustment value listed in the table below
with the scribed line on the lens base.
<2>Make a sample copy at the above position, and measure
the magnification ratio.
<3>Change the installing position in the horizontal direction to
adjust the magnification ratio.
•When the copy image is longer than the original, shift to
the positive (+) direction.
•When the copy image is shorter than the original, shift to
the negative (-) direction.
*
1 scale of the scribed line corresponds to 0.3% of
magnification ratio.
*
If this adjustment is not satisfactory, make a fine adjustment
with SIM 48-1.
with SIM 48-1.
(Refer to the adjustment described below.)
q. Scanner interface PWB
1) Remove the table glass.
2) Remove the PWB cover and the harness cover.
3) Remove the scanner interface PWB.
(3) (D) SPF unit
a. Upper transport unit
1) Remove the upper transport unit cover.
2) Remove the upper transport unit.
CCD adjustment value
+4 scales
5.0~
+3 scales
3.6~4.9
+2 scales
2.2~3.5
+1 scale
0.8~2.1
Reference
-0.6~0.7
-1 scale
-2.0~ -0.7
-2 scales
-3.4~ -2.1
-3 scales
-4.8~ -3.5
-4 scales
~ -4.9
CCD unit adjustment value
(+) direction
Reference line
(-) direction
1 scale: 1.4mm
1)
1)
1)
1)
2)
3)
3)
4)
1)
1)
1)
1)
2)
2)
2)
2)
3)
1)
2)
1)
1)
2)
3)
1)
2)
3)
4)
- ! "#$%&'
AR-M350 DISASSEMBLY AND ASSEMBLY, MAINTENANCE 7-9
b. Stopper solenoid
1) Remove the upper transport unit cover.
2) Remove the stopper solenoid.
2) Remove the stopper solenoid.
c. Sensors
1) Remove the upper transport unit cover.
2) Remove the sensors.
d. (D) SPF control PWB
1) Remove the SPF PWB, and remove the (D) SPF control PWB.
e. Original length sensor
1) Remove the OC cover.
2)Remove the original length sensor cover, and remove the sensor.
f. Original width detection volume
1) Remove the OC cover.
2) Remove the original length sensor cover.
3) Remove the volume cover and remove the volume.
1)
1)
2)
1)
2)
3)
4)
3)
4)
3)
4)
1)
2)
3)
3)
3)
4)
5)
5)
4)
4)
1)
1)
2)
3)
4)
3)
1)
1)
2)
3)
3)
4)
4)
1)
1)
2)
3)
4)
. ! "#$%&'
Click on the first or last page to see other AR-M35 / AR-M450 (serv.man12) service manuals if exist.