EPSON Perfection 1650/1650 PHOTO7/01 EPSON Perfection 1650/1650 PHOTO - 1Scanner PartsThe EPSON Perfection 1650 PHOTO has a transparency unitbuilt into the scanner lid and holder for 35 mm film and slides:EPSON Perfection 1650owners can purchase anoptional transparency unit(B813172):Scanner SpecificationsBasic SpecificationsScanner type Flatbed, colorPhotoelectric Color CCD line sensordeviceEffective pixels 13600 × 18720 pixels at 1600 dpi,100% scalingMaximum US letter or A4 sizedocument size (8.5 × 11.7 inches [216 × 297 mm])Optical resolution 1600 dpiMaximum 1600 dpi (main scan) × 3200 dpi hardware(sub scan)resolution** The maximum hardware resolution of 1600 × 3200 dpi is achievedusing EPSON’s Micro Step Drive™ technology.Maximum 12,800 dpiinterpolatedresolutionOutput resolution 50 to 12,800 dpi(50 to 6400 dpi in 1 dpi increments,9600 dpi and 12,800 dpi performed withzoom function)Speed (1600 dpi, Color: 10 msec/linedraft mode) Grayscale: 3.3 msec/lineCommand level ESC/I-B8, FSZoom 50 to 200% in 1% incrementsPixel depth 16 bits per pixelBrightness 7 levelsLine art settings Fixed thresholdTET (Text Enhancement Technology,enable/disable selectable)Digital halftoning AAS (Auto Area Segmentation), enable/disable selectable3 error diffusion modes (A, B, and C) and4 dither patterns (A, B, C, and D) forbi-level and quad-level data(2 downloadable dither patterns)Gamma correction 2 type for CRT display3 types for printer output1 type for user-defineddocumentcoverdocumenttablecarriage and lamp(in the homeposition)Start buttonandindicator lightPhoto PrintbuttonE-mailbuttonScan to Web(EPSONPhotoCenter)buttonUSB port DC inlettransparency unit(TPU) connectortransportation lock(in unlocked position)