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Product: M4099D (device name: fi-4990)
Type: Desktop
Image sensor: Reduced optical system
Operating method: Automatic Document Feed (ADF), simultaneous double-sided
reading Long page scanning (297mm
×
878mm)
Light source: Fluorescent tube (White)
Basic resolution: Horizontal scanning: 400 dpi
Vertical scanning: 400, 300, 240, 200 dpi
Output resolution: Standard: 400, 300, 240, 200, dpi
With image processing option: 50 dpi to 400 dpi (at steps of 1 dpi)
Grayscale levels (internal): 10 bit 1024 levels
Gray scale (8 bits) output: Enabled (200 dpi only)
Halftone Patterns: Dither matrix (can be downloaded), Error diffusion
ADF scanning speed
1
: <Asynchronous Scanning>
Single sided: 90 pages per minute (200 dpi, A4, 55 kg)
Double sided: 90 pages per minute (200 dpi, A4, 55 kg)
(= 180 screens per minute)
< Synchronous Scanning >
Single sided: 80 pages per minute (200 dpi, A4, 55 kg)
Double sided: 60 pages per minute (200 dpi, A4, 55 kg)
(= 120 screens per minute)
ADF stacker capacity: Maximum 1,000 sheets, (ream weight: 55 kg, A4 [High quality
paper, Normal temperature and humidity])
Document size: Maximum 297 mm
×
432 mm
Supported regular paper
2
: A3, A4/A4 Landscape, A5/A5 Landscape, A6/A6 Landscape, B4,
B5/B5 Landscape, B6/B6 Landscape, Double Letter, Letter/Letter
Landscape, Legal, US Executive/US Executive Landscape
Cutout specification: Specified (one location)
Background compensation: Enabled
Contrast setting: 256 levels
Gamma pattern: 3 internal types (can be downloaded)
Image processing function: Automatic binary (simple system)
With image processing option
Outline emphasis, Outline extraction, Automatic separation,
Mirror image, Reverse image, Automatic binarization, Smoothing,
Filtering, Noise removal
1. This speed is only specified for the scanner itself. The actual reading speed may vary depending on the
system configuration.
2 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.