Product:

fi-4640S

Type:

Desktop

 

Image sensor:

Reduced optical system

Operating method:

Document fixed Flat bed, Automatic Document

 

Feed(ADF)

 

Long page scanning (297mm x 1387mm, Black&White only)

Light source:

Xe discharge tube(Green)

Basic resolution:

400 dpi

Output resolution:

Standard: 50 dpi to 800 dpi (at steps of 1dpi)

Grayscale levels (internal):

10 bit 1024 levels

Grayscale output:

Enabled (8 bits)

Halftone Patterns:

Dither matrix (can be downloaded), Error diffusion

Flat bed scanning speed:

0.9 sec or less (200 dpi, A4)

ADF scanning speed 1:

Single sided: 45 pages per minute (200 dpi, A4, 55 kg)

ADF paper chute capacity:

Maximum 100 sheets, ream weight: 55 kg, A4 [High quality

 

paper, normal temperature and humidity])

Document size:

Maximum 297 mm x 432 mm

 

or Maximum 297mm x 1387 mm with Long Page Scanning

 

Mode

Supported regular paper 2:

A3, A4/A4 Landscape, A5/A5 Landscape, A6/A6 Landscape, B4,

 

B5/B5 Landscape, B6/B6 Landscape, Letter/Letter Landscape,

 

Double Letter, Legal, US Executive/US Executive Landscape

Isolation specification:

Specified (one location)

Background compensation:

Enabled

Brightness / Threshold / Contrast : 255 steps

Gamma pattern:

3 internal types (can be downloaded)

Image processing function:

Simplified Dynamic Threshold (SDTC), Edge emphasis, Edge

 

extraction, SEE (Selectable Edge Enhancement), Reverse image

With image processing option

Dynamic Threshold (DTC), Smoothing, Filtering, Noise removal,

Automatic Separation

1

2

This speed is only specified for the scanner itself. The actual reading speed may vary depending on the system configuration.

Not all paper sizes can be used in all devices. For details, refer to the users' manual for the device. For other paper sizes, the customer settings can be used.

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