8Desktop ADF (Automatic Document Feeder) / flatbed scannerAutomatic sheet feeding / flatbedWidth: 140 - 216 mm (5.5 - 8.5 in.)Length: 100 - 356 mm (3.9 - 14.0 in.)ADF: 0.06 - 0.15 mm, 52 - 128 g/m2Flatbed: up to 25 mm5.0 mm stack including curls or 50 sheets of 80 g/m2CCD (Charge-Coupled Device)CCFL (Cold-Cathode Fluorescent Lamp)ADF (front side only) / FlatbedBlack and White, Error Diffusion, Advanced Text Enhancement,Advanced Text Enhancement II256-level Grayscale24-bit ColorResolution: 100 x 100 dpi • 150 x 150 dpi • 200 x 200 dpi • 240 x 240 dpi300 x 300 dpi • 400 x 400 dpi • 600 x 600 dpiBlack and White: 20 ppm (Simplex) / 40 ipm (Duplex)256-level Grayscale: 20 ppm (Simplex) / 40 ipm (Duplex)24-bit Color: 20 ppm (Simplex) / 20 ipm (Duplex)Hi-Speed USB 2.0ISIS/TWAINISIS/TWAIN Driver, CaptureOnTouch, CapturePerfect,eCopy PDF Pro Office, PaperPort, OmniPage, BizCard ReaderDouble Feed Detection, User Registration, Advanced TextEnhancement, Skip Blank Page, Prescan, Auto Paper SizeDetection, Deskew, Batch Separation, Text OrientationRecognition, Edge Enhancement, Preset Gamma Curve,Dropout Color (R/G/B), Color Enhancement (R/G/B), BorderRemoval, Punch Hole Removal, Separate Front & Back settings(Contrast/Brightness/Gamma correction, etc.)AC100 - 240V (50/60Hz)Scanning: 33 W, Sleep mode: 3.7 W,Power Turned Off: less than 0.5 W10 - 32.5˚C (50 - 90.5˚F), Humidity: 20 - 80% RHWith paper guide closed: 440 x 400 x 180 mm (17.3 x 15.8 x 7.1 in.)*Without ADF cableApprox. 7.8 kg (17.2 lb.)Please refer to the section "Options & User-maintenance Parts"of this brochure.■ 3-way design (ADF, Business card feeder, flatbed) will reliablyhandle a variety of documents■ Reliable paper transport ensures smooth feeding■ Fast scanning of A4/LTR at 20 ppm / 20 ipm (color), 40 ipm(grayscale, B&W), single-pass double-sided■ 50 user-definable job functions, 5 of which assignable to jobbuttons■ Batch scanning features include Skip Blank Page, TextOrientation Recognition, and more■ Complete software package including CapturePerfect,CaptureOnTouch, eCopy PDF Pro Office, Nuance PaperPort,OmniPage and Presto! Bizcard ReaderFast, high quality, flexible, all round performance scannerD R - 2 0 2 0 UD O C U M E N T S C A N N E R S* 1 When scanning documents using ADF.* 2 Actual scanning speed may vary depending on your system configuration and PC.Specifications are subject to change without notice.For more information on the DR-2020U, please ask your local authorized Canon repre-sentative for the individual product brochure.TypeDocument feedingDocument size*1Document thickness and weight*1Feeding capacity*1Scanning elementLight sourceScanning modesScanning speed*2(A4,200 dpi)InterfaceScanner driverApplication softwareUseful functionsPower requirementsPower consumptionOperating environmentDimensions (W x D x H)WeightOptions / Consumables