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Product: fi-4990C
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, 200 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
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)
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
or 297mm × 878 mm with Long Page scannning 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
Contrast setting: 256 levels
Gamma pattern: 3 internal types (can be downloaded)
Image processing function: Dynamic Threshold (SDTC, DTC)
Edge emphasis, Edge extraction, Automatic separation, Mirror
image, Reverse image, Noise removal
Imprinter (Endorser): With endorser option
(Reverse side, minimum left margin printing position of 20 mm)
3
Maximum number of characters to be printed: 30 characters
Counter display range: 0 to 65535 (at 5 digits display)
0 to 16777215 (at 8 digits display)
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.
3
If 0 mm is specified as the endorser print position, printing will begin 20 mm from the edge of the page.