Brother DS-640
Score: 25/100
Canon imageFORMULA R40 Receipt Edition
Score: 79/100Rankings
The Canon imageFORMULA R40 Receipt Edition is a desktop ADF scanner aimed at small-business and home-office users, offering fast duplex scanning, high-volume duty cycle, and direct QuickBooks Online integration. It handles a broad range of media but lacks wireless connectivity and has occasional macOS driver issues.
The Brother DS-640 is an ultra-compact, USB-powered sheet-fed scanner aimed at mobile professionals. It offers fast 16 ppm scanning and versatile media handling but lacks duplex capability and batch automation.
| Attribute | | |
|---|---|---|
600 dpibest | 600 dpibest | |
16 ppm | 40 ppmbest | |
1 sheets | 60 sheetsbest | |
12 monthsbest | 12 monthsbest | |
24 bitsbest | 24 bitsbest | |
| ↓ lower better | 0.467 kgbest | 2.799 kg |
— | 80 ppmbest | |
| ↓ lower better | — | 22 Wbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Supported Operating Systems | Windows, macOS, Linux | Windows 10 (64-bit), Windows 11, macOS 11 (Big Sur), macOS 12 (Monterey), macOS 13 (Ventura) |
Performance(5) | ||
Scan Speed (Simplex) (ppm) | 16 ppm | 40 ppm |
Duplex Scanning | false | true |
ADF Capacity (sheets) | 1 sheets | 60 sheets |
Maximum Document Width (mm) | 216 mm | 215.9 mm |
Maximum Document Length (mm) | 1829 mm | 355.6 mm |
Power & Build(1) | ||
Weight (kg) | 0.467 kg | 2.799 kg |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the DS-640 for its pocket-size design, versatile media support, and useful OCR suite, positioning it as a solid entry-level mobile scanner. However, they note its shortcomings in automation, especially the lack of duplex scanning, and point out that lighter competitors like the Epson DS-70 offer more advanced features such as automatic duplex and built-in battery.
Everyday users consistently commend the scanner's ease of use, portability, and scan quality, especially for receipts, ID cards, and long documents. Common complaints revolve around the absence of duplex scanning, occasional Windows 11 driver hiccups, and the need to stay tethered to a computer for power and data.
“The OCR functionality is frequently praised for accurately converting scanned documents into editable text.”
“plug-and-play with intuitive software”
“solid and durable”
Professional reviewers such as PCMag and TechRadar praise the R40 for its precise OCR, fast duplex performance and tight QuickBooks integration, while noting the lack of wireless connectivity and a bare-bones control panel.
Everyday users appreciate the plug-and-play setup, fast batch processing and sturdy construction, especially the automated QuickBooks workflow, but report macOS driver problems and wish for wireless or mobile scanning options.
