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7.1 Basic Specifications
*1) For details, see "Chapter 6 ADF AND PAPER SPECIFICATION" (page. 85).
*2) The scanning speed is the maximum speed of the scanner hardware. Software processing
time such as data transfer time is added to the actual scanning time.
*3) The maximum stacking capacity varies according to the document thickness. For details,
see "Chapter 6 ADF AND PAPER SPECIFICATION" (page. 85).
*4) The Ultra SCSI and USB 2.0 / 1.1 interfaces cannot be used at the same time.
*5) If you connect the scanner with USB 2.0, it is required that the USB port and the Hub are
compliant with USB 2.0. The scanning speed may slow down when you connect the scan-
ner with USB 1.1. If your omputer has the compatible USB 2.0 port, please use it.)
1 Scanner Type ADF (Automatic Docu-
ment Feeder)
-
2 Image sensor CCD x 2 Front / Back
3 Light source White cold cathode fluo-
rescent lamp x 2
Front / Back
4 Scanning
area
Minimum A8 size (Portrait)
ADF 127g/m
2
paper
Maximum A4 / Legal size
Long page scanning :
216 x 864mm
(8.50 x 34 in)
-
5 Paper Weight
52 g/m
2
to 127 g/m
2
(14 to 34lb)
(Note (*1))
6 Scanning
Speed
(A4 Portrait)
(Note (*2))
Binary
(monochrome)
Simplex: 25 sheets/min.
Duplex: 50 sides/min.
200 dpi
Color Simplex: 25 sheets /min.
Duplex: 50 sides/min.
150 dpi
7 Capacity of ADF 50 sheets
A4, 80 g/m
2
(20lb)
(Note (*3))
8 Optical Resolution 600 dpi -
9 Output
resolution
Binary
(monochrome)
50 - 600 dpi Scalable in 1 dpi increments
Grayscale 50 - 600 dpi Scalable in 1 dpi increments
Color 50 - 600 dpi Scalable in 1 dpi increments
10 Grayscale level (internal) 8 bits per color Internal 10 bits
11 Halftone Patterns Dither / error diffusion -
12 Interface (Note (*4)) Ultra SCSI Shield-type 50 pin
(pin-type) halfpitch
USB 2.0 / 1.1 B type (note(*5))
13 Other functions JPEG compression -
Imprinter Port -