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Brother DS-940DW Mobile Scanner


General Specifications

Memory Capacity


DSmobile DS-940DW: 512 MB

Power Source

DSmobile DS-940DW: USB bus-power/rechargeable Li-ion battery

Approx. Power Consumption *1


DSmobile DS-940DW:

4.4 W (Wi-Fi Mode)

3.6 W (USB Mode)


DSmobile DS-940DW:

2.2 W (Wi-Fi Mode)

1.5 W (USB Mode)

Power Down

DSmobile DS-940DW: 0.11 W

Approx. Weights

DSmobile DS-940DW: 1.54 lbs (699 g)



5C to 35C *3


-20C to 60C



20% to 80%


10% to 90%

Document Specifications

Paper Type

Photo, Paper, Card (embossed), Business Card, Receipt

Document Size

DSmobile DS-740D/DSmobile DS-940DW:

Single-sided Scan

3.4 in. x 2.0 in. to 72 in. x 8.5 in. (86.4 mm x 50.8 mm to 1828.8 mm x 215.9 mm)

2-sided Scan

3.4 in. x 2.0 in. to 16 in. x 8.5 in. (86.4 mm x 50.8 mm to 406.48 mm x 215.9 mm)

Output Guide

4.13 in. x 2.91 in. to 11.69 in. x 8.5 in. (105 mm x 74 mm to 297 mm x 215.9 mm)

Scanner Specifications



TWAIN Compliant


Windows 7 (SP1) / Windows 8.1 / Windows 10

Windows Server 2012 / Windows Server 2012 R2 / Windows Server 2016 / Windows Server 2019

WIA Compliant


Windows 7 (SP1) / Windows 8.1 / Windows 10

ICA Compliant


macOS v10.12.x / v10.13.x / v10.14.x *1

Colour Depth


48 bit colour processing


24 bit colour processing



Up to 1200 x 1200 dpi


Up to 600 x 600 dpi

Scanning Width

Up to 215.9 mm


256 levels

Max. Speed

See your models page on your local Brother website.


No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers (Brother) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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