Epson 4870 User Manual
Scanner parts scanner specifications
EPSON Perfection 4870 Series
12/03
EPSON Perfection 4870 Series - 1
Scanner Parts
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 in 1 dpi increments
Speed (color)
16.9 msec/line at 4800 dpi
4.1 msec/line at 600 dpi
Command level
ESC/I (B8), FS
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
Reliability
36,000 cycles of carriage movements
(MCBF)
(scanner)
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)
TPU indicator light
Document
table
Carriage and
lamp (in the
home position)
USB port
Power cord
Transparency unit
(TPU) connector
Transportation lock
(in unlocked position)
]
Start button
Indicator
light
P
Power button
IEEE 1394 port
Transparency unit
(TPU) under lid
Document
cover
Transportation
lock