Sharp AR-SP4 Service Manual ▷ View online
(6) SPF white correction pixel position adjustment
(required in an SPF model when replacing the
lens unit)
lens unit)
1) Fully open the SPF.
2) Execute SIM 63-2.
3) When the operation panel displays "COMPLETE," the adjustment
is completed.
4) If the operation panel displays "ERROR," perform the following
measures.
·
When the display is 0: Check that the SPF is open.
Check that the lamp is ON. (If the lamp is OFF, check the MCU
con-nector.) Check that the CCD harness is properly inserted into
the MCU con-nector.
con-nector.) Check that the CCD harness is properly inserted into
the MCU con-nector.
·
When the display is 281 or above:
1) Remove the table glass.
2) Remove the dark box.
3) Slide the lens unit toward the front side and attach it, then
exe-cute SIM.
·
When the display is 143 or below:
1) Remove the table glass.
2) Remove the dark box.
3) Slide the lens unit toward the rear side and attach it, then
execute SIM.
·
After sliding the lens unit, perform the OC main scan magnification-
ratio automatic adjustment (SIM 48-1-1) and the SPF original off-
center adjustment.
ratio automatic adjustment (SIM 48-1-1) and the SPF original off-
center adjustment.
·
This adjustment is basically O.K. with SIM 63-2.
[7] DISASSEMBLY AND ASSEMBLY
1. External fitting section
(Note) Turn the paw in the arrow direction.
2. Paper feed unit section
1) Paper feed unit
R
F
1
2
2
3
2) Document transport section cover
3) Document feed section cover
4) Sensor PWB
5) Pickup solenoid
(Note) Remove section A of the pickup solenoid from the solenoid
arm groove.
6) Clutch gear ass’y
1
2
1
2
3
2
1
1
1
3
2
2
4
A
1
2
1
5
2
4
3
6
6
2.5~4.0
From Edge pawl
7) Pickup roller ass’y
(Note) When assembling the pickup roller ass’y 4, check that rib A is
on the rib of the solenoid arm.
8) Pick up roller, paper feed roller
3. Interface PWB
4. Document tray section
1) Document tray
1
4
2
3
A
1
2
3
1
1
4
2
1
1
1
2
1
3
2) Rack cover
3) Document length sensor SW
5. Drive frame section
1) Book sensor
2) Drive frame unit
3) Drive frame ass’y and drive belt
2
1
1
2
1
1
2
1
2
1
1
1
2
3
4
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