Technical Brief (Scanners)
Page 1
... quality, speed, usability, versatility, and durability. For example, a scanner can have optimum performance for high quality sub-scan resolution Optical resolution and color bit depth Dynamic range control Type of the Analog to gauge image quality. monochrome CCD The Epson Expression® and GT series scanners are designed with respect to an analog voltage. As...
... quality, speed, usability, versatility, and durability. For example, a scanner can have optimum performance for high quality sub-scan resolution Optical resolution and color bit depth Dynamic range control Type of the Analog to gauge image quality. monochrome CCD The Epson Expression® and GT series scanners are designed with respect to an analog voltage. As...
Technical Brief (Scanners)
Page 2
Benefits of higher optical resolution: Higher resolution allows you to scan the following charts lists the number of colors recognized for each different scan mode. If you don't, then you must increase the scanned resolution in proportion to capture and print the sharp lines and edges of data ... for each picture element (pixel). Precise pixel editing Many graphic artists scan images at 1200 dpi If enlarged to 8 x 10 inches, effective resolution: 300 dpi Enlarging a small original In order to capture enough detail to enlarge an image, you will have two states (On or Off);...
Benefits of higher optical resolution: Higher resolution allows you to scan the following charts lists the number of colors recognized for each different scan mode. If you don't, then you must increase the scanned resolution in proportion to capture and print the sharp lines and edges of data ... for each picture element (pixel). Precise pixel editing Many graphic artists scan images at 1200 dpi If enlarged to 8 x 10 inches, effective resolution: 300 dpi Enlarging a small original In order to capture enough detail to enlarge an image, you will have two states (On or Off);...
Technical Brief (Scanners)
Page 3
Precise scan carriage Simultaneous RGB scanning High resolution CCD Custom glass lenses Pixel optimization Custom ASIC Scanner Technical ... (hardware, optics, and processing) and result in superior image quality with fewer sudden shifts in color, and detailed shadows and highlights. Image Quality-Epson ColorTrue® Imaging System Epson scanners use the Epson ColorTrue II Imaging.... but "downsamples" an image to graphic artists and designers. Image Quality-Pixel depth (cont.) All Epson scanners have been read by a 24-bit or 30-bit scanner (such as Adobe® Photoshop®...
Precise scan carriage Simultaneous RGB scanning High resolution CCD Custom glass lenses Pixel optimization Custom ASIC Scanner Technical ... (hardware, optics, and processing) and result in superior image quality with fewer sudden shifts in color, and detailed shadows and highlights. Image Quality-Epson ColorTrue® Imaging System Epson scanners use the Epson ColorTrue II Imaging.... but "downsamples" an image to graphic artists and designers. Image Quality-Pixel depth (cont.) All Epson scanners have been read by a 24-bit or 30-bit scanner (such as Adobe® Photoshop®...
Technical Brief (Scanners)
Page 4
... "sweet spot" and precision lenses for each line of these hardware, optics, and processing features, the Epson ColorTrue Imaging System and Epson ColorTrue II Imaging System deliver scanned images with better motors to achieve subscan resolutions that are double or quadruple the scanner's optical resolution. Additionally, Epson scanners capture Red, Green, and Blue simultaneously, versus plastic lenses...
... "sweet spot" and precision lenses for each line of these hardware, optics, and processing features, the Epson ColorTrue Imaging System and Epson ColorTrue II Imaging System deliver scanned images with better motors to achieve subscan resolutions that are double or quadruple the scanner's optical resolution. Additionally, Epson scanners capture Red, Green, and Blue simultaneously, versus plastic lenses...
Technical Brief (Scanners)
Page 7
...ection with standard CCD glass which can cause abnormal ghost images. Film Holder (5.9") Super resolution lens Image Quality-High-Pass Optics Epson High Pass Optics includes anti-reflection optical coatings and a high reflection mirror. There is faster. The anti...Improved image quality Scanned with normal CCD glass Scanner Technical Brief-Page 7 Scanned with the High Resolution lens. Dual Lens System offers two lenses for the desired scan resolution. High Resolution lens Some Epson Perfection scanners offers 4800 dpi optical resolution with anti-reflection...
...ection with standard CCD glass which can cause abnormal ghost images. Film Holder (5.9") Super resolution lens Image Quality-High-Pass Optics Epson High Pass Optics includes anti-reflection optical coatings and a high reflection mirror. There is faster. The anti...Improved image quality Scanned with normal CCD glass Scanner Technical Brief-Page 7 Scanned with the High Resolution lens. Dual Lens System offers two lenses for the desired scan resolution. High Resolution lens Some Epson Perfection scanners offers 4800 dpi optical resolution with anti-reflection...
User Manual
Page 7
... 1 For color reading, you can select up to match the resolution of your output device; The EPSON Expression™ 636 is selectable to 256 gray shades. 0 Scanning resolution of 600 dpi. It has the ability to scan in color or grayscale, making it ideal for optical character recognition (OCR) scanning. 0 Two resident interfaces, bidirectional parallel and...
... 1 For color reading, you can select up to match the resolution of your output device; The EPSON Expression™ 636 is selectable to 256 gray shades. 0 Scanning resolution of 600 dpi. It has the ability to scan in color or grayscale, making it ideal for optical character recognition (OCR) scanning. 0 Two resident interfaces, bidirectional parallel and...
User Manual
Page 73
...3-18 transparency unit, 3-8, 3-10, 3-13 OPERATE button, 1-4, 1-5, 2-2, 2-3 light, 2-2, 2-3, 4-4 Optical Character Recognition (OCR), Intro-1, Intro-2, 3-12 Option connector, 3-6, 3-15 error, 2-3, 3-9, 3-10, 3-18, 4-3 Options, 2, 3-1 to 3-18 Out of focus, 4-6 Output resolution, Intro-1, A-2 P Paper jam, 3-17, 4-3 Paper sizes, automatic document feeder, 3-15 Parallel interface...shipping screw (transparency unit), 3-3 to 3-4 Replacing, fluorescent lamp, 2-9 Rescan, 4-2 Reset, 2-2, 3-17, 4-2, 4-3 RESET button, 2-2, 4-3 Resolution, output, see Output resolution Rotary switch, SCSI ID, 1-9 Index IN-5
...3-18 transparency unit, 3-8, 3-10, 3-13 OPERATE button, 1-4, 1-5, 2-2, 2-3 light, 2-2, 2-3, 4-4 Optical Character Recognition (OCR), Intro-1, Intro-2, 3-12 Option connector, 3-6, 3-15 error, 2-3, 3-9, 3-10, 3-18, 4-3 Options, 2, 3-1 to 3-18 Out of focus, 4-6 Output resolution, Intro-1, A-2 P Paper jam, 3-17, 4-3 Paper sizes, automatic document feeder, 3-15 Parallel interface...shipping screw (transparency unit), 3-3 to 3-4 Replacing, fluorescent lamp, 2-9 Rescan, 4-2 Reset, 2-2, 3-17, 4-2, 4-3 RESET button, 2-2, 4-3 Resolution, output, see Output resolution Rotary switch, SCSI ID, 1-9 Index IN-5
User Manual - TWAIN 32
Page 38
... options * When possible, let your image editing software perform halftoning. ** ActionScanner II, ES-1000C, ES-1200C, and Expression 636. † The Text Enhancement Technology and Auto Area Segmentation options are not available if your scanner does not support these features... Eliminates the document background and raises the recognition accuracy during OCR (Optical Character Recognition) scanning. available only in a monochrome scan Quality & Draft & fast descreening Provides faster scanning at a lower resolution Best & de-screening Produces the best quality scan and, on some...
... options * When possible, let your image editing software perform halftoning. ** ActionScanner II, ES-1000C, ES-1200C, and Expression 636. † The Text Enhancement Technology and Auto Area Segmentation options are not available if your scanner does not support these features... Eliminates the document background and raises the recognition accuracy during OCR (Optical Character Recognition) scanning. available only in a monochrome scan Quality & Draft & fast descreening Provides faster scanning at a lower resolution Best & de-screening Produces the best quality scan and, on some...