EPSON Expression 1640XL
Interfaces
SCSI-2 (micro DB 50-pin connectors)
USB (Type B receptacle connector)
Optional IEEE 1394 (FireWire)
Light source
Xenon gas cold cathode fluorescent lamp
Reliability
100,000 cycles of carriage movement
(main unit MCBF)
Dimensions
Width: 25.8 inches (656 mm)
Depth: 18 inches (458 mm)
Height: 6.9 inches (176 mm)
Weight
Approximately 46.2 lb (21 kg)
Electrical
Input voltage range 100 to 120 VAC, ± 10%
220 to 240 VAC, ± 10%
Rated frequency
50 to 60 Hz
Rated current
100 to 120 VAC: 1.2 A
220 to 240 VAC: 0.7 A
Power
consumption
Operating: Approximately 45 W
Approximately 55 W with TPU or ADF
unit
Standby: Approximately 12 W
Environmental
Temperature
Operating: 41 to 95 °F (5 to 35 °C)
50 to 89 °F using ADF (10 to 32 °C)
Storage: 13 to 140 °F ( 25 to 60 °C)
Humidity (without
condensation)
Operating: 10 to 80%
Storage: 10 to 85%
Operating
conditions
Ordinary office or home conditions.
Avoid dust, direct sunlight, and proximity
to strong light sources.
Safety Approvals
120 V model
Safety: UL 1950 CSA C22.2 No. 950
EMC: FCC part 15 subpart B class B
CSA C108.8 class B
230 V model
Safety: EN 60950
EMC: EN 550022 (CISPR Pub 22)
class B
AS/NZS 3548 class B
2 - EPSON Expression 1640XL
SCSI Interface
Interface type
ANSI X3T9.2/375R Revision 10L
(SCSI-2)
Logic level
TTL-compatible
ID setting
Selectable from 0 to 7
Terminator
Internal active terminator (enable/disable
selectable)
Connector type
Two micro DB 50-pin connectors
USB Interface
Interface type
Universal Serial Bus Specification
Revision 1.0
Electrical standard Full speed mode (12Mb) of Universal
Serial Bus Specification Revision 1.0
Connector type
One receptacle (Type B)
Option (ADF/TPU) Interface Connector
Interface type
For use with the optional automatic
document feeder (B813212) and
transparency unit (B813202)
Output voltage
21.6 to 26.4 VDC
4.75 to 5.25 VDC
Output current
1.3 A (24 V)
0.3 A (5 V)
Initialization Methods
SCSI interface
Hardware: Initialized when the scanner is
turned on or the scanner receives a SCSI
Reset signal from the SCSI interface
Software: Initialized when the software
sends the Esc @ (initialize the scanner
command), or the scanner receives a SCSI
Bus Device message
USB interface
Hardware: Initialized when the scanner is
turned on or the USB cable is unplugged
from the USB port on the scanner
Software: Initialized when the software
sends the Esc @ command or the scanner
receives a Bus Reset from the USB
interface
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