Epson Expression 1680 Professional Product Information Guide - Page 1

EPSON Expression 1680 Scanner Parts carriage (at home position) document cover document table lights a Start button P Operate button transportation lock option connector AC inlet SCSI ID switch terminator switch optional interface slot SCSI interfaces USB interface Scanner Specifications Scanner General Scanner type Photoelectric device Effective pixels Flatbed, color Color MatrixCCD™ line sensor 13600 × 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 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) 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 1/01 EPSON Expression 1680 - 1