Epson Stylus CX7800 - Manual (Page 2)

Epson Stylus CX7800
2 - Epson Stylus CX7800 8/05
Specifications
Printing
Printing method On-demand ink jet
Nozzle configuration
Black 90 nozzles
Color 90 nozzles × 3 (cyan, magenta, yellow)
Print direction Bidirectional with logic seeking
Scanning
Scanner type Flatbed color
Photoelectric
device
CIS
Effective pixels 10,200 × 14,040 pixels at 1200 dpi
Document size US letter size or
8.5 × 11.7 inches (216 × 297 mm) A4
Scanning
resolution
1200 dpi (main scan)
2400 dpi with Micro Step (sub scan)
Output resolution 50 to 4800, 7200, and 9600 dpi
(50 to 4800 dpi in 1 dpi increments)
Scanning speed Approximately 30 msec per line at
1200 dpi
Image data 16 bits per pixel per color internal
8 bits per pixel per color external
(maximum)
Light source RGB Three Color LED
Mechanical
Paper path Sheet feeder, top entry, front out
Sheet feeder
capacity
100 sheets of 17 lb (64 g/m
2
) paper
Dimensions
Width: 17.0 inches (432 mm)
Depth: 16.3 inches (413.2 mm)
Height: 7.8 inches (198.8 mm)
Weight 17.2 lb (7.8 kg) without the ink cartridges
Interfaces
USB Interface
Standard Based on Universal Serial Bus
Specifications Revision 2.0, Universal
Serial Bus Device Class Definition for
Printing Devices Version 1.1
Bit rate 480 Mbps (High speed device)
Data encoding NRZI
Adaptable
connector
USB Series B
Recommended
cable length
Under 6.6 feet (2 meters)
Electrical
Rated voltage 120 V
Input voltage 90 to 132 V
Rated frequency
range
50 to 60 Hz
Input frequency
range
49.5 to 60.5 Hz
Rated current 0.4 A (Max. 0.7 A)
Power consumption
Approx. 13 W (ISO 10561 Letter Pattern)
Approx. 6.0 W in low-power mode
Approx. 1.5 W in sleep mode
Approx. 0.2 W in power-off mode
Environmental
Temperature
Operation 50 to 95 °F (10 to 35 °C)
Storage –4 to 104 °F (–20 to 40 °C)
1 month at 104 °F (40 °C)
Humidity (without condensation)
Operation 20 to 80% RH
Storage 5 to 85% RH
Safety Approvals
Safety standards UL 60950, CSA C22.2 No. 60950
EMC FCC part 15 subpart B class B