Epson 1680 User Manual

EPSON Expression 1680

Scanner Parts

carriage
(at home position)

lights

Operate button

P

transportation lock

option connector

AC inlet

a Start button

SCSI ID switch

document
cover

document
table

terminator switch

Optical density 3.6 Dmax

Color depth 48-bit internal/48-bit external

Grayscale depth 16-bit internal/16-bit external

Maximum
document size 8.5 × 11.7 inches (216 × 297 mm)

A4 or Letter (the reading area can be
specified from your software)

Optical resolution 1600 dpi

Maximum hardware
resolution* 1600 dpi (main scan)

3200 dpi with Micro Step Drive

™

(sub scan)

* The maximum hardware resolution of 1600 × 3200 dpi is

achieved using EPSON’s Micro Step Drive technology

Maximum interpolated
resolution 12800

12800 dpi

×

Speed
(1600 dpi,
draft mode) Color: 9.2 msec/line (approx.)

Grayscale: 3.1 msec/line (approx.)
Line Art: 3.1 msec/line (approx.)

Color separation RGB color filters on CCD

Reading sequence Monochrome: One-pass scanning

Color byte sequence: One-pass scanning
(R, G, B)
Color line sequence: One-pass scanning
(R, G, B)

optional
interface slot

USB interface

SCSI interfaces

Scanner Specifications

Scanner

General

Scanner type Flatbed, color

Photoelectric
device Color MatrixCCD

Effective pixels 13600

18720 pixels (1600 dpi)

×

™

line sensor

Zoom 50 to 200% in 1% increments

Command level ESC/I-B8

FS

Pixel depth 16 bits per pixel (16 bits per pixel input,

1 to 16 bits per pixel output)

Brightness 7 levels

Line art settings Fixed threshold

TET (Text Enhancement) Technology,

enable/disable selectable)

Digital halftoning AAS (Auto Area Segmentation,

enable/disable selectable)
3 error diffusion modes (A, B, and C)
4 dither patterns (A, B, C, and D) for

bi-level and quad-level data

(2 downloadable dither patterns)

Gamma
correction 2 types for CRT display

3 types for printer
1 type user-defined

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EPSON Expression 1680

Color correction 1 type for CRT display

3 types for printer (available in color

byte sequence mode and color line
sequence mode)

1 type user-defined

Interfaces SCSI 2 (micro DB 50-pin connectors)

USB (Type B receptacle connector)
IEEE 1394 (FireWire); optional

Light source Xenon gas cold cathode fluorescent lamp

Reliability 100,000 cycles of carriage movement

(main unit MCBF)

Dimensions Width: 13 inches (332 mm)

Depth: 22.1 inches (562 mm)
Height: 5.3 inches (133 mm)

Weight Approximately 18.7 lb (8.5 kg)

Electrical

Input voltage
range 100 to 120 VAC: 90 to 132 VAC

220 to 240 VAC: 198 to 264 VAC

Rated frequency 50 to 60 Hz

230 V model Safety: EN 60950

EMC: EN 550022

(CISPR Pub 22) class B
AS/NZS 3548 class B

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 terminator (enable/disable

selectable)

Connector type Two micro DB 50-pin connectors

USB Interface

Interface type Universal Serial Bus Specification

Revision 1.1

Electrical standard Full speed mode (12Mb) of Universal

Serial Bus Specification Revision 1.1

Connector type One receptacle (Type B)

Rated current 100 to 120 VAC: 0.8 A

220 to 240 VAC: 0.4 A

Power
consumption Operating: Approximately 30 W

Approximately 50 W with
TPU or ADF unit)

Standby: Approximately 10 W

Environmental

Temperature Operating: 41 to 95 °F (5 to 35 °C)

50 to 89 °F (10 to 32 °C)

when using ADF

Storage:

13 to 140 °F (−25 to 60 °C)

−

Humidity (without
condensation) Operating: 10 to 80%

Standby: 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

IEEE 1394 FireWire (Optional)

Interface type IEEE 1394-1995 compatible

Data transfer
method Half-duplex Data/Strobe differential serial

Synchronization
method Clock synchronization with DS-Link

Encoding/
decoding DS-Link

Logic level 3.3 V

Compatible
connectors IEEE 1394-1995 compatible

Power class Power class code 100

No power supply from external sources
Fitted with a repeat function with bus

power

Environmental Temperature:

Operating: 41 to 95 °F

(5 to 35 °C)

Standby:

13 to 140 °F

−

(

25 to 60 °C)

−

Humidity (without condensation):
Operating: 10 to 80%
Standby: 10 to 85%

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EPSON Expression 1680

Option Interface Connector

Interface type For use with the optional automatic

document feeder (B813162) and
transparency unit (B813182)

Output voltage 21.6 to 26.4 VDC

4.75 to 5.25 VDC

Output current 0.6 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

Transparency Unit (B813182)

General

Reliability MCBF 100,000 cycles

11.7 inches (216 × 297 mm)

Readable area 8.5

Dimensions Width: 12.8 inches (324 mm)

Weight Approximately 11 lb (6 kg)

×

Depth: 21.3 inches (540 mm)
Height: 3.6 inches (92 mm)

Electrical

Input voltage 21.6 to 26.4 VDC

4.75 to 5.25 VDC

Rated current 0.6 A

0.1 A

Environmental

Temperature Operating: 41 to 95 °F (5 to 35 °C)

Standby:

14 to 140 °F

−

(

20 to 60 °C)

−

Humidity (without
condensation) Operating: 10 to 80%

Standby: 10 to 85%

Automatic Document Feeder (B813162)

General

Paper
input/output Load face up; eject face down

Paper quantity 30 pages (55 g/m

thickness under 0.24 inches [6 mm])

Reliability 100,000 sheets (load/eject MCBF)

Dimensions Width: 12.2 inches (310 mm)

Depth: 20.9 inches (528 mm)
Height: 3.6 inches (92 mm)

Weight Approximately 9.9 lb (4.5 kg)

Electrical

Input voltage 22.8 to 25.2 VDC

4.75 to 5.25 VDC

Input current 24 V: 0.6 A

5 V: 0.3 A

Environmental

Temperature Operating: 50 to 89 °F (10 to 32 °C)

Standby:

Humidity (without
condensation) Operating: 20 to 80%

Standby: 95% or less

2

paper, maximum total

4 to 140 °F (−20 to 60 °C)

−

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