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Epson Expression 1680 Product Information

Epson expression 1680: product information.
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Scanner Parts

(at home position)
Operate button
transportation lock
option connector
AC inlet
USB interface
interface slot

Scanner Specifications

Scanner type
Flatbed, color
Color MatrixCCD
Effective pixels
a Start button
SCSI ID switch
terminator switch
SCSI interfaces
line sensor
18720 pixels (1600 dpi)
Optical density
3.6 Dmax
Color depth
48-bit internal/48-bit external
Grayscale depth
16-bit internal/16-bit external
8.5 × 11.7 inches (216 × 297 mm)
document size
A4 or Letter (the reading area can be
specified from your software)
Optical resolution 1600 dpi
Maximum hardware
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
(1600 dpi,
draft mode)
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)
50 to 200% in 1% increments
Command level
Pixel depth
16 bits per pixel (16 bits per pixel input,
1 to 16 bits per pixel output)
7 levels
Line art settings
Fixed threshold
TET (Text Enhancement) Technology,
Digital halftoning AAS (Auto Area Segmentation,
3 error diffusion modes (A, B, and C)
4 dither patterns (A, B, C, and D) for
2 types for CRT display
3 types for printer
1 type user-defined
EPSON Expression 1680
12800 dpi
9.2 msec/line (approx.)
enable/disable selectable)
enable/disable selectable)
bi-level and quad-level data
(2 downloadable dither patterns)
EPSON Expression 1680
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   Summary of Contents for Epson Expression 1680

  • Page 1: Scanner Parts

    Maximum document size document cover Optical resolution 1600 dpi Maximum hardware resolution* The maximum hardware resolution of 1600 × 3200 dpi is achieved using EPSON’s Micro Step Drive technology document table Maximum interpolated resolution Speed (1600 dpi, draft mode) Color separation...

  • Page 2

    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 2 - EPSON Expression 1680 230 V model SCSI Interface Interface type Logic level ID setting Terminator...

  • Page 3

    Input current × 297 mm) Environmental Temperature Humidity (without condensation) 1/01 EPSON Expression 1680 21.6 to 26.4 VDC 4.75 to 5.25 VDC 0.6 A 0.1 A Operating: 41 to 95 °F (5 to 35 °C) − Standby: 14 to 140 °F −...

  • Page 4: Lights And Buttons

    Finally, check that the automatic document feeder isn’t out of paper and doesn’t have a paper jam. If these suggestions don’t solve the problem, call your EPSON dealer. N = on, O = off, F = flashing Scanner buttons...

  • Page 5: Scanning With Epson Twain Pro

    ® If you have a Macintosh, click File, Import, Twain Select. In the Select a source dialog box, choose EPSON TWAIN Pro and click OK. The command you choose from the File menu differs from one host application to another. With other host applications, you might choose Acquire or Select Source instead of Import.

  • Page 6: Using A Network Scanner

    (If the READY light continues to blink, it may indicate an error condition. See page 4 for more information.) 8. Click Close to close the EPSON TWAIN Pro window and return to your application. 9. If you want, save your image using the Save or Save As options from the File menu of your host application.

  • Page 7: Starting Epson Scan Server

    EPSON Scan Server manually, click Start, Programs, EPSON Scan Server, and then select EPSON Scan Server. You can quit EPSON Scan Server at any time. Just click the Exit button on the EPSON Scan Server dialog box. Wait for this message before you exit.

  • Page 8: Related Documentation

    Progress bar. ❏ To cancel from the scanner server, click the Cancel button at the bottom of the EPSON Scan Server dialog box. ❏ To break the connection between the client computer and the scanner server, click the Stop button on the EPSON Scan Server dialog box.

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