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Product: fi-4990C
Type: Desktop
Image sensor: Reduced optical system
Operating method: Automatic Document Feed (ADF),
Simultaneous double-sided scanning,
Long page scanning (297mm
x 878mm, Black&White only)
Light source: Fluorescent tube (White)
Basic resolution: 400 dpi
Output resolution: Monochrome: 400, 300, 240, 200, 150, 100dpi
Color: 400, 300, 200, 150, 100dpi
Grayscale levels (internal): 10 bit 1024 levels
Gray scale (8 bits) output: Enabled
Halftone Patterns: Dither matrix, Error diffusion
Color 24bit
ADF scanning speed
1
: <Monochrome, 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)
Hopper capacity: Maximum 1,000 sheets, (ream weight: 55 kg, A4 [High quality
paper, Normal temperature and humidity])
Document size: Maximum 297 mm
x 432 mm
or 297mm
x 878 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, Double Letter,
Letter/Letter Landscape, Legal, US Executive/US Executive
Landscape
Cutout specification: Specified (one location)
Background compensation: Enabled
Brightness / Threshold / Contrast : 255 steps
High light / Shadow : 255 steps (at Color / Grayscale scanning)
Gamma pattern: 3 internal types (can be downloaded)
Image processing function: Dynamic Threshold (SDTC, DTC),
Edge emphasis, Edge extraction, Automatic separation, Mirror
image(Black&White only), Reverse image, 256 Color, 8 Color
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.