Initialization
The scanner can be initialized (returned to
methods
a fixed set of conditions) in the following
ways:
Hardware
* The scanner is turned on.
initialization
* The USB cable is unplugged from the USB port
on the scanner.
Software
* Software sends the ESC @ (initialize the scanner)
initialization
command.
* The scanner receives a Bus Reset from the USB
interface.
SCSI Interface
Interface type
ANSI X3T9.2/375R Revision 10L
(SCSI-2)
Functions
BUS FREE phase
ARBITRATION phase
SELECTION/RESELECTION phase
COMMAND phase
(the Logical Unit Number is fixed to 0
and the command link function
is not supported)
DATA phase
Data in phase
Data out phase
STATUS phase
MESSAGE phase
MESSAGE IN phase
MESSAGE OUT phase
ATTENTION condition
RESET condition
Logic level
TTL compatible
Electrical standard ANSI X3T9.2/375R Revision 10L
(SCSI-2)
ID Setting
Selectable from 0 to 7 (factory setting: 2)
Terminator
Internal terminator (always ON)
Connector type
High density 50-pin connector
Connector pin arrangement
Initialization
The scanner can be initialized (returned to
methods
a fixed set of conditions) in the following
ways:
Hardware
* The scanner is turned on.
initialization
* The scanner receives a SCSI Reset signal from the
SCSI interface.
Software
* Software sends the ESC @ (initialize the scanner)
initialization
command.
* The scanner receives a SCSI Bus Device Message.
Transparency Unit Specifications
The transparency unit (B813172) allows you to scan positive
and negative transparent materials —35 mm slides, filmstrips,
and film up to 4 × 5 inches in size.
The transparency unit comes bundled with the EPSON
Perfection 1640SU PHOTO.
Basic Specifications
Dimensions
Width: 8.7 inches (222 mm)
Depth: 12.0 inches (305 mm)
Height: 1.4 inches (36 mm)
Weight
1.5 lb (0.7 kg)
Maximum
3.6 × 4.6 inches ([93 × 118 mm]
readable area
size of 4 × 5-inch film holder opening)
Electrical
Supply voltage: DC 21.6 to 26.4 V
Rated current: 0.5 A
Reliability
10,000 hours for light source
Temperature
Operation: 41 to 95 °F (5 to 35 °C)
Storage: –13 to 140 °F (–25 to 60 °C)
Humidity
Operation: 10% to 80%
(without
Storage: 10% to 85%
condensation)
Operating
Ordinary office or home conditions; avoid
conditions
extreme dust, direct sunlight, and
strong light sources.
Transparencies up to 4 × 5-inch film
Document
specifications
(negative film, positive film)
35 mm strip film (negative, positive)
35 mm slides (negative, positive)
Brownie size strip film
Auto Document Feeder Specifications
The auto document feeder (B813222) allows you to
automatically load multi-page documents into your scanner.
This document feeder is particularly useful for OCR (optical
character recognition) scanning. You can load up to 30 legal
size (8 1/2 × 14-inches) pages in the auto document feeder.
The auto document feeder comes bundled with the
EPSON Perfection 1640SU OFFICE.
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