Read Sharp AR-280 (serv.man12) Service Manual online
Purpose
Section
Item
Function (Purpose)
Code
Main
Sub
Adjustment
Picture quality
Image position
Used to adjust the copy image position
and the void area (image loss) on the
print paper in the copy mode. (The same
adjustment can be made with SIM 50-2
(simple method).)
and the void area (image loss) on the
print paper in the copy mode. (The same
adjustment can be made with SIM 50-2
(simple method).)
50
1
Picture quality
Image position
Used to adjust the copy image position
and the void area (image loss) on the
print paper in the copy mode. (Simple
adjustment)
(This simulation allows the same
simulation with SIM 50-1 more simply. )
and the void area (image loss) on the
print paper in the copy mode. (Simple
adjustment)
(This simulation allows the same
simulation with SIM 50-1 more simply. )
2
Paper transport
Operation
Used to adjust the manual paper feed tray
paper width detector detection level.
paper width detector detection level.
40
2
Paper transport
(Discharge/Switchback/
Transport)
(Discharge/Switchback/
Transport)
Operation
Used to adjust the contact pressure of
paper onto the resist roller in each section
(copier paper feed section, duplex paper
feed section, SPF paper feed section).
(When the print image position varies
greatly for the paper or when a lot of
paper jam troubles occur, the adjustment
is required.)
paper onto the resist roller in each section
(copier paper feed section, duplex paper
feed section, SPF paper feed section).
(When the print image position varies
greatly for the paper or when a lot of
paper jam troubles occur, the adjustment
is required.)
51
2
Duplex
Operation
Used to adjust the duplex print mode
stacking capability. (Used to adjust the
stop position of the paper tray width
direction alignment plate in the duplex
unit. The adjustment is executed by
changing the width direction alignment
plate home position inthe software.)
stacking capability. (Used to adjust the
stop position of the paper tray width
direction alignment plate in the duplex
unit. The adjustment is executed by
changing the width direction alignment
plate home position inthe software.)
52
1
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Photo
conductor
conductor
Operation
Used to adjust the sensitivity (gain) of the
OPC drum mark sensor and the image
density sensor.
OPC drum mark sensor and the image
density sensor.
44
2
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Operation
Used to adjust the OPC drum separation
pawl ON time.
pawl ON time.
51
1
Operation (Display/
Operation key)
Operation key)
Used to adjust the touch panel (LCD
display) detecting position.
display) detecting position.
65
1
ICU
Picture quality
Used to adjust the copy magnification ratio
(main scanning direction, sub scanning
direction).
(main scanning direction, sub scanning
direction).
48
1
ICU
Picture quality
Image position
Used to adjust the print image center
position. (Adjustment can be made for
each paper feed section.)
position. (Adjustment can be made for
each paper feed section.)
50
10
ICU
Picture quality
Image position
Used to adjust the print image center
position. (Adjustment can be made for
each document mode.)
position. (Adjustment can be made for
each document mode.)
12
ADF/RADF/UDH/SPF
Operation
Used to adjust the document stop position
in each operation mode of ADF/RADF.
(Target model:
AR-F230/S280/F280R/S330/280/285/335)
in each operation mode of ADF/RADF.
(Target model:
AR-F230/S280/F280R/S330/280/285/335)
53
1
ADF/RADF/UDH/SPF
Operation
Used to adjust the optical sensor
sensitivity in the ADF/RADF. (Target
models: AR-F230/S280/F280R/
S330/280/285/335)
sensitivity in the ADF/RADF. (Target
models: AR-F230/S280/F280R/
S330/280/285/335)
2
Sorter/Finisher
Operation
Used to adjust the finisher stacking
capability. (Used to adjust the stop
position of the finishser paper width
direction alignment plate (jogger). This
adjustment is made by changing the width
direction alignment plate home position by
the software.)
(Target model:AR-S330/280/285/335)
capability. (Used to adjust the stop
position of the finishser paper width
direction alignment plate (jogger). This
adjustment is made by changing the width
direction alignment plate home position by
the software.)
(Target model:AR-S330/280/285/335)
3
6
Laser (Exposure)
Operation
Used to adjust the scanner (exposure)
laser power (absolute value) in the copy
mode.
laser power (absolute value) in the copy
mode.
61
2
Laser (Exposure)
Operation
Used to adjust the scanner (exposure)
laser power (absolute value) in the FAX
(auto) mode. (Target models: AR-F230/
S280/F280S/F280R)(FAX model only)
laser power (absolute value) in the FAX
(auto) mode. (Target models: AR-F230/
S280/F280S/F280R)(FAX model only)
3
Others
Operation
Used to adjsut the document size sensor
detection level.
detection level.
41
2
8 – 11
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