Product comparison · 2 scanners

Brother DS-940DWE scanner Sheet-fed scanner vs Epson WorkForce DS-900WN Sheet-fed scanner

35specifications compared
21differ
14identical
48known for one product only

Key differences

The Brother DS-940DWE scanner Sheet-fed scanner has 18 bit more input colour depth than the Epson WorkForce DS-900WN Sheet-fed scanner (48 bit vs 30 bit). The Epson WorkForce DS-900WN Sheet-fed scanner has 10,900 pages more daily duty cycle (max) than the Brother DS-940DWE scanner Sheet-fed scanner (11000 pages vs 100 pages). The Brother DS-940DWE scanner Sheet-fed scanner has 1.1 W more power consumption (standby) than the Epson WorkForce DS-900WN Sheet-fed scanner (2.3 W vs 1.2 W). Display: LED on the Brother DS-940DWE scanner Sheet-fed scanner, LCD on the Epson WorkForce DS-900WN Sheet-fed scanner. Control type: Buttons on the Brother DS-940DWE scanner Sheet-fed scanner, Touch on the Epson WorkForce DS-900WN Sheet-fed scanner.

Input colour depth
- DS-940DWE scanner Sheet-fed scanner:48 bit
- WorkForce DS-900WN Sheet-fed scanner:30 bit
Display
- DS-940DWE scanner Sheet-fed scanner:LED
- WorkForce DS-900WN Sheet-fed scanner:LCD
Control type
- DS-940DWE scanner Sheet-fed scanner:Buttons
- WorkForce DS-900WN Sheet-fed scanner:Touch
Daily duty cycle (max)
- DS-940DWE scanner Sheet-fed scanner:100 pages
- WorkForce DS-900WN Sheet-fed scanner:11000 pages
Scan drivers
- DS-940DWE scanner Sheet-fed scanner:TWAIN, WIA
- WorkForce DS-900WN Sheet-fed scanner:ICA, ISIS, SANE, TWAIN, WIA
Power supply type
- DS-940DWE scanner Sheet-fed scanner:USB/Battery
- WorkForce DS-900WN Sheet-fed scanner:AC
Power consumption (standby)
- DS-940DWE scanner Sheet-fed scanner:2.3 W
- WorkForce DS-900WN Sheet-fed scanner:1.2 W
Width
- DS-940DWE scanner Sheet-fed scanner:319 mm
- WorkForce DS-900WN Sheet-fed scanner:296 mm

Side by side

Differences highlightedShow differences only

Comparison of DS-940DWE, DS-900WN
83 specifications	A Brother DS-940DWE scanner Sheet-fed scanner Model DS-940DWE View product	B Epson WorkForce DS-900WN Sheet-fed scanner Model DS-900WN View product
Scanning1 differ
Maximum scan sizeKnown for one	Unknown — not stated by the source	215.9 x 6096 mm
Optical scanning resolution	600 x 600 DPI	600 x 600 DPI
Colour scanning	Yes	Yes
Duplex scanning	Yes	Yes
Input colour depthDiffers	48 bit	30 bit
Input greyscale depthKnown for one	Unknown — not stated by the source	10 bit
Output colour depth	24 bit	24 bit
Output greyscale depth	8 bit	8 bit
ADF scan speed (b/w, A4)Known for one	Unknown — not stated by the source	70 ppm
ADF scan speed (colour, A4)Known for one	Unknown — not stated by the source	70 ppm
Duplex ADF scan speed (b/w, A4)Known for one	Unknown — not stated by the source	140 ipm
Duplex ADF scan speed (colour, A4)Known for one	Unknown — not stated by the source	140 ipm
Greyscale levelsKnown for one	256	Unknown — not stated by the source
Scan speedKnown for one	4 sec/page	Unknown — not stated by the source
Design2 differ
Scanner type	Sheet-fed scanner	Sheet-fed scanner
Built-in display	Yes	Yes
Product colour	White	White
DisplayDiffers	LED	LCD
Display diagonalKnown for one	Unknown — not stated by the source	10.7 cm (4.2")
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Control typeDiffers	Buttons	Touch
Performance3 differ
Scan file formatsKnown for one	Unknown — not stated by the source	BMP, JPEG, PDF, PNG, TIFF
Daily duty cycle (max)Differs	100 pages	11000 pages
Built-in OCRKnown for one	Unknown — not stated by the source	Yes
Scan toDiffers	PC, Memory card, E-mail	Cloud, E-mail, Network folder, PC, USB
Barcode readerKnown for one	Unknown — not stated by the source	Yes
Scan driversDiffers	TWAIN, WIA	ICA, ISIS, SANE, TWAIN, WIA
Ultrasonic sensorKnown for one	Unknown — not stated by the source	Yes
Scanner smart software featuresKnown for one	Unknown — not stated by the source	Skip blank page function
Sensor typeKnown for one	Dual CIS	Unknown — not stated by the source
Maximum duty cycleKnown for one	2000 pages per month	Unknown — not stated by the source
Sound pressure level (max)Known for one	53 dB	Unknown — not stated by the source
Compatible memory cardsKnown for one	SD, MicroSD (TransFlash)	Unknown — not stated by the source
Input capacityidentical
Standard input capacityKnown for one	Unknown — not stated by the source	100 sheets
Auto document feeder (ADF) input capacityKnown for one	Unknown — not stated by the source	100 sheets
Paper handling1 differ
Maximum ISO A-series paper size	A4	A4
Scanning media types supportedDiffers	Plastic Card, Plain paper, Business Card, Photo paper	Business Card, Envelopes, Plastic Card
ISO A-series sizes (A0...A9)Known for one	Unknown — not stated by the source	A3, A4, A5, A6
ISO B-series sizes (B0...B9)Known for one	Unknown — not stated by the source	B4, B5, B6
LegalKnown for one	Unknown — not stated by the source	Yes
LetterKnown for one	Unknown — not stated by the source	Yes
Auto Document Feeder (ADF) media weightKnown for one	Unknown — not stated by the source	27 - 413 g/m²
Card thickness (max)Known for one	1.24 mm	Unknown — not stated by the source
Ports & interfacesidentical
USB port	Yes	Yes
USB version	3.2 Gen 1 (3.1 Gen 1)	3.2 Gen 1 (3.1 Gen 1)
USB connector typeKnown for one	USB Type-C	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Security algorithmsKnown for one	SSL/TLS, 64-bit WEP, 128-bit WEP, WPA-PSK, WPA2-PSK, TKIP, AES	Unknown — not stated by the source
Wi-Fi DirectKnown for one	Yes	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	19 W
Power supply typeDiffers	USB/Battery	AC
Power consumption (standby)Differs	2.3 W	1.2 W
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	5.6 W
Input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power consumption (off)Known for one	0.11 W	Unknown — not stated by the source
Battery typeKnown for one	Built-in battery	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	319 mm	296 mm
DepthDiffers	45.4 mm	212 mm
HeightDiffers	63.1 mm	217 mm
WeightDiffers	699 g	3.7 kg
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Package widthKnown for one	377 mm	Unknown — not stated by the source
Package depthKnown for one	162 mm	Unknown — not stated by the source
Package heightKnown for one	76 mm	Unknown — not stated by the source
Package weightKnown for one	1.07 kg	Unknown — not stated by the source
Packaging content2 differ
Bundled softwareDiffers	Windows Software(Brother iPrint&Scan, Kofax Power PDF Standard v5, Remote Setup), Macintosh Software(Brother iPrint&Scan Desktop, Remote Setup)	Document Capture Pro, Epson Scan 2
Packaging contentDiffers	USB cable, Quick setup guide, Product safety guide, Warranty, Device	Paper Alignment Plate, Carrier Sheet, Cleaning Kit
Batteries includedKnown for one	No	Unknown — not stated by the source
Cables includedKnown for one	USB	Unknown — not stated by the source
System requirements2 differ
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedDiffers	Mac OS 26 Tahoe, Mac OS X 15.0 Sequoia, Mac OS X 14.0 Sonoma	Yes
Windows operating systems supportedDiffers	Windows 10, Windows 11	Yes
Mobile operating systems supportedKnown for one	Android, iOS, iPadOS	Unknown — not stated by the source
Server operating systems supportedKnown for one	Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Storage temperature (T-T)Differs	-20 - 60 °C	-25 - 60 °C
Operating relative humidity (H-H)Differs	20 - 80%	15 - 80%
Storage relative humidity (H-H)Differs	10 - 90%	25 - 60%
Other featuresidentical
Warranty periodKnown for one	Unknown — not stated by the source	1 year(s)
Batteryidentical
Battery technologyKnown for one	Lithium	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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