Scanner Section; Image Processing Section - Sharp AR-C150 Service Manual

b. Document detection
Paper feed Paper Location
mode (section) type of use
Manual feed AB Japan
section Series
Others
Inch
Series
1st to 4th AB Japan
cassette Series
Others
feeding unit
Inch
Series
When setting the paper size switch to EXTRA, it is necessary to set the paper size by key operation.
∗
∗ For A and B sizes (excluding Japan), it is necessary to set the paper size switch to EXTRA for 13" and B5R.
(2) Finishing performance
Facing mode Paper size Paper weight
Face up All paper All paper sizes
sizes that can be fed
C. Scanner section (read)
(1) Type
Scanning method By 3-color (RGB) CCD image sensor
(2) Original standard position, scanning size, and
scanning area
a. Original standard position
Left-center
b. Scanning size
Max. original size AB Series
Inch Series
c. Scanning area
432 mm
(3) Resolution
Main scanning direction
Basic resolution
600dpi
(4) Gradation
Input
Monochrome 256 gradations (8bit)
Color 256 gradations (8bit)
Detection size
A3 wide, A3, B4, A4, A4R, B5, B5R, A5,
Postcard, 11 × 17, 8.5 × 14, 8.5 × 11
A3 wide, A3, B4, A4, A4R, B5, A5, A6R,
11 × 17, 8.5 × 14, 8.5 × 11, 7.25 × 10.5R
12 × 18, 11 × 17, 8.5 × 14, 8.5 × 11,
8.5 × 11R, 8.5 × 5.5, A3, B4, A4, B5, A6R,
7.25 × 10.5R
A3, B4, A4, A4R, B5, B5R, A5, EXTRA
A3, B4, A4, A4R, B5, A5, 8.5 × 11, EXTRA
11 × 17, 8.5 × 14, 8.5 × 13, 8.5 × 11,
8.5 × 11R, 8.5 × 5.5, A4, EXTRA
Capacity Note
250 sheets
A3
11 × 17
Center
297 mm
Sub scanning direction
Basic resolution
600dpi
Output
256 gradations (8bit)
256 gradations (8bit)
Paper detection size and
detection method
Electrical resistance
changes according to
position of paper width
guide (volume sensor)
Detection method by
switch signal combination
(switches paper detection
block position)
(5) Scanning speed
Scan mode Scan Return
Color 117 468
mm/sec mm/sec
Monochrome 117 468
mm/sec mm/sec
(6) Light source
Type Halogen lamp
Drive voltage 70V
Power consumption 130W (AR-C150)
170W (AR-C250/C160/C270)
(7) Scanning sensor
Type 3-line color CCD
(8) Color separation method
Color separation by 3-color (RGB) CCD image sensor
D. Scanner section (write)
(1) Type
Type Laser scanning
(2) Laser unit specifications
Speed of rotation 27,600rpm (AR-C150/C250)
Color mode
Monochrome mode
Mirror surfaces 6 surfaces
Laser power 5mW
Laser beam size 65
60
Laser wavelength 785
Scan width AB Series: 420mm
(sub scan direction)
(3) Resolution
Main scanning direction
600dpi
(4) Gradation
Monochrome 256 gradations (8bit)
Color 256 gradations (8bit)
E. Image processing section
(1) Imaging speed
Monochrome 140 mm/sec (color)
Color 117 mm/sec (color)
2 – 11
Size switching
method
Aligns with paper
width guide (sliding
type)
Aligns universal Remaining
guide (sliding type) amount detector
Original size
Scans per
A4
minute
(11" × 8.5")
15 sheets/min 15 sheets/min
16 sheets/min 16 sheets/min
(AR-C160/ (AR-C160/
C270) C270)
15 sheets/min 15 sheets/min
16 sheets/min 16 sheets/min
(AR-C160/ (AR-C160/
C270) C270)
27,600rpm
(AR-C160/C270)
33,070rpm
(AR-C160/C270)
µ
85 m (AR-C150/C250)
×
µ
70 m (AR-C160/C270)
×
µ
m
Inch Series: 432mm
Sub scanning direction
600dpi
Note
A3
(11" × 17")
7 sheets/min
7 sheets/min