Epson Perfection 4990 Series
Scanner Parts
Document mat
Transportation lock
| Document |
] Start button | table |
|
Indicator light
| Carriage and |
| lamp (in the |
P Power button | home position) |
Transparency unit (TPU) connector
USB port
IEEE 1394 port
Transparency unit (TPU) under lid
Transparency unit (TPU) progress light
Transportation lock (in unlocked position)
Power cord
Scanner Specifications
Basic Specifications
Scanner type | Flatbed, color |
Photoelectric | Color CCD line sensor |
device |
|
Effective pixels | 40,800 ⋅ 56,160 pixels at 4800 dpi |
Maximum | US letter or A4 size |
document size | (8.5 ⋅ 11.7 inches [216 ⋅ 297 mm]) |
Optical resolution | 4800 dpi |
Maximum | 4800 dpi (main scan) ⋅ 9600 dpi hardware |
resolution* | (sub scan) |
*The maximum hardware resolution of 4800 ⋅ 9600 dpi is achieved using Epson’s Micro Step Drive™ technology.
Maximum | 12,800 dpi |
interpolated |
|
resolution |
|
Output resolution | 25 to 12,800 dpi (25 to 6400 dpi in 1 dpi |
| increments; 12800 dpi performed with |
| zoom function) |
Speed (color) | 12.3 msec/line at 4800 dpi |
| 3.1 msec/line at 600 dpi |
Pixel depth | 16 bits per pixel (input and output) |
Brightness | 7 levels (in EPSON Scan, gamma |
| correction controls brightness) |
Interface | USB 1.1/2.0 (Type B receptacle connector) |
| IEEE 1394 (FireWire) |
Light source | White cold cathode fluorescent lamp |
Dimensions | Width: 12.0 inches (30.4 cm) |
| Depth: 18.7 inches (47.6 cm) |
| Height: 5.3 inches (13.4 cm) |
Weight | Approx. 14.8 lb (6.7 kg) |
10/04 | Epson Perfection 4990 Series - 1 |