My old laptop died that I used to use this scanner on with no issues (I think it was originally Windows 7 that was upgraded to Windows 10). My new desktop has Windows 11 and each time I want to use the scanner, I have to re-install the TWAIN software to get the scanner to work as the software 'forgets' what scanner is attached to the computer. After I finish using the scanner and some unknown amount of time passes, the software 'forgets' again what scanner it is connected so and I have to re-install the software the next time I want to use it. Totally unacceptable and no workaround seems to be available from Canon other than to keep reinstalling the software each time I want to use the scanner. I would have returned the scanner if this has happened from the word go.
Put the rating back up to 5 star after I deleted the Canon scanner software on my computer and re-installed it completely. Voila, no more losing the connection between the software and the scanner. Yeah, for all the years I've been using computers, I should have thought of removing and re-installing the software. With that issue gone, it's a really nice scanner especially for scanning significant numbers of pages.
I was looking for a printer so I could put several boxes of old engineering paperwork into electronic format.
So far, I've been really impressed with the R40. I can scan with my current printer but it's sloooooow, noisy and less than stellar quality. Definitely not a candidate for what I wanted to do.
Setup was easy. You have to download the software which is 525 Mb. I missed the note on the download page directing US customers to an download link. My download speeds weren't great but it did come down. Installation went with no problem.
Pros
1. Fast. The first time I ran about 4 or 5 pages through it, the scanner was set on 200 dpi greyscale and the pages just whipped through the feeder. I thought both sides could not have scanned but everything was there. Even on 300 dpi color it's pretty fast (max is 600 dpi). Compared to the scanner built into my printer, it's another whole other level of speed. I can't prep the next batch in time to keep up with the scanner.
2. The scanner says it will rotate pages into the correct orientation and overall it does a really good job. I finally found the section in the scanner software that allowed me to rotate a page that scanned in the wrong orientation (having it worked into a right mouse click with some other options would be useful Canon). I want to do some more testing but a couple of tests I did with flipping some pages or putting all the pages in upside down had them all come up in the right orientation (as mentioned, I had some early problems with some scans but that doesn't seem to be an issue now).
3. Handles flimsy magazine paper with no real problems. Ragged edges don't appear to be a problem but any amount of glue from the backing left on the pages and they don't feed properly causing a jam. Any amount of glue is bad. If you run your fingers down the edge and can feel bumps, remove it, trim the edges, whatever. If you can see a flat line of glue, trim it off. Sometimes it will feed, sometimes it won't.
4. Compact, nice small size. With the document feeder installed and extended as well as the output tray, it's about 12" high by 15" deep by 11" wide. Remove the feeder the retract the tray and the dimensions are about 7.5" high by 6.5" deep by 11" wide.
5. All necessary cables are provided. Small point maybe but there's nothing more annoying than getting a new toy and finding out you need to go out for a cable. While many of use have boxes of old cables, that doesn't mean we will have the right one.
6. Return shipping is included if I need to return it or don't like it, I don't think that's going to be an issue. Return shipping can be a nasty surprise.
7. The power supply handles 100V to 240V, doubt I will take it on a trip overseas but it's a nice feature to have.
Cons:
1. The software version of the manual is useless. I had pages that were upside down and do you think 'rotate' or 'rotate pages' came up with useful information? If you said yes, you be wrong.
2. I finally figured out how to scan and then get the file written to my hard drive by setting up a one-touch button. Before that, sometimes when I hit 'finish', the file would write to my hard drive, other times it would not or I had no clue where it went to. Drove me crazy at first and really slowed down the overall speed.
3. Does an okay job on pictures but if I was going to scan a lot of pictures, this would not be the scanner I would pick. I didn't take anything off my rating as that was not my purpose in buying this scanner but I'll note it.
2023 comment
Last point I'll add is when we came back from a 6 month cruise I decided to save all the daily cruise reports just in case I wanted to go back some time and see what we did on some day. It didn't take very long to scan that many pages, even less when I changed from full color to greyscale which was more than adequate for what I wanted. Full color looks good but does make some big files though that's not much of an issue given the multi Tb hard drives that you can get now.
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From the manufacturer
 Canon imageFORMULA R40 |  Canon imageFORMULA R50 |  Canon imageFORMULA R10 |  Canon imageFORMULA RS40 | |
|---|---|---|---|---|
|
Customer Reviews
|
2,202
|
131
|
1,956
|
419
|
|
Price
| $229.00 | $347.00 | $159.00 | $295.00 |
|
COMPATIBILITY
| Supports Windows and Mac | Supports Windows and Mac | Supports Windows and Mac | Supports Windows and Mac |
|
TWAIN DRIVER INCLUDED
| ✔ | ✔ | ✘ | ✘ |
|
DIMENSIONS (HxWxD) | WEIGHT
| 9.6"x11.4"x9.9" | 6.17 lbs | 9.5"x11.5"x9.8" | 7.44 lbs | 1.57”x11.2”x3.75" | 2.20 lbs | 9.9"x11.4"x9.6" | 6.60 lbs |
|
CONNECTIVITY
| USB 2.0 | Superspeed+ USB, Wi-Fi | USB | USB |
|
SCAN SPEED
| BW: 40ppm, Color: 30ppm | BW/Color: 40ppm | BW/Color: 12ppm | BW/Color: 40ppm |
|
DOCUMENTS SUPPORTED
| Passports, Receipts, Bus cards | Passports/Receipts/Bus. Cards | Legal/Receipts/Plastic Cards | Passports/Receipts/Bus. Cards |
|
MEDIA SUPPORTED
| Text paper, Card stock, & more | Text paper, Card stock, & more | Text & Card stock, Plastic | Text paper, Card stock, & more |
Compare with similar items
This Item  Canon imageFORMULA R40 - Office Document Scanner, Windows and Mac, Duplex Scanning, Easy Setup, Scans a Wide Variety of Documents, Scans to Cloud | Recommendations  |  |  |  |  | |
| Price | $229.00 | $219.00 | $397.89 | $296.99 | -22% $279.99 List: $359.99 | $219.00 |
| Delivery | Get it as soon as Tuesday, May 6 | Get it as soon as Tuesday, May 6 | Get it as soon as Tuesday, May 6 | Get it as soon as Tuesday, May 6 | Get it as soon as Tuesday, May 6 | Get it as soon as Tuesday, May 6 |
| Customer Ratings | ||||||
| Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Plustek Inc. |
| scanner type | Document, Business Card | Document | Document, Receipt | Document, Receipt | Document, ID Card | Document |
| sheet capacity | 60 | 60 | 50 | 50 | 50 | 50 |
| paper size | 600 dots per inch | A4, Letter, Legal | Up to 8.5"x14" | 2.0 x 2.9 inches Minimum, 8.5 x 14 inches Maximum | 8.5 X 11, 8.5 X14 | 8.5 x 11 |
| connectivity tech | USB | USB | USB, Wi-Fi | USB, Ethernet | USB | USB |
| optical sensor tech | CCD | CIS | CIS | CMOS-CIS | — | CIS |
| media type | Photo, Paper, Receipt, Business Card | USB | USB | Paper, Business Card, Receipt, ID Card | Photo, Paper, Receipt, Business Card | USB |
| resolution | 600 | 600 dpi | 600 | 600 dpi | 300 | 600 dpi |
| light source type | LED | LED | LED | LED | — | — |
| greyscale depth | Grayscale:- Simplex: Up to 40 ppm ; Duplex: Up to 80 ipm | 8-bits | — | 8 bits | 24 bits | — |
| color depth | 8 bpp | 24 | — | 24 | — | 48 bpp |
| min system requirement | This product is compatible with Windows and Mac systems, specific requirements depending on the operating system version. Examples of systems include macOS 10.15 Catalina, OS X 10.9 Mavericks, Snow Leopard, Vista Home Basic, 8, 8.1. | Windows 7 | Windows 11 / 10 (352-bit / 64-bit) and macOS Catalina 10.15 or later | Microsoft® Windows® 7 (32-bit/64-bit) or higher and macOS V10.15 or later | Windows 7 | Windows 7 / 8 / 10 / 11 |
Product information
| Product Dimensions | 10 x 12 x 10 inches |
|---|---|
| Item Weight | 6.17 pounds |
| ASIN | B07YNK4S9Y |
| Item model number | 4229C001AA |
| Customer Reviews |
4.2 out of 5 stars |
| Best Sellers Rank | #6,352 in Office Products (See Top 100 in Office Products) #9 in Document Scanners |
| Date First Available | October 8, 2019 |
| Manufacturer | Canon |
Warranty & Support
Product Warranty: For warranty information about this product, please click here
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AVOID this Canon imageFormula R40 at ALL COSTS Mac users! (USB 2.0?! Seriously?!)
Do yourself a HUGE favor and skip this scanner. I'm an IT professional, and this Canon imageFormula R40 is the biggest waste of my time and money in recent memory. It feels like I've traveled back in time to 2005. Let's start with the prehistoric connectivity: USB 2.0 and a barrel power connector straight out of 2004. Are you kidding me, Canon? In 2025, this is unacceptable. Then there's the software, or should I say the lack thereof. Drivers and software haven't been updated since early 2023, and the included "CaptureonTouch" software is CORRUPT! It's corrupted, doesn't work on macOS 15, and forget about Linux support. The software also demands an absurd number of permissions – bloatware at its finest. Trying to install and configure this thing is like pulling teeth. I spent over an hour wrestling with it, and as an IT professional, that's saying something. Canon is selling this as a "high-performance" scanner. That's false advertising. It's more like a high-priced paperweight. The entire experience, from the outdated hardware to the dysfunctional software and the ridiculously convoluted website, screams "abandoned product." It's clear Canon has no intention of supporting this device. They shouldn't even be allowed to sell it on Amazon unless they bundle a decent scanning software like VueScan for free. Seriously, Canon, get your act together. Your website is a disorganized mess, and products like this are going to drive customers away. You're overcomplicating yourselves out of business. Save yourself the frustration and look elsewhere. Don't make the same mistake I did. This scanner is a relic of the past and should be avoided at all costs.
Top reviews from the United States
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- Reviewed in the United States on July 28, 2024Style: R40 Receipt Edition Office Document ScannerVerified Purchase
Top reviews from other countries
- CyclistReviewed in Canada on March 10, 2025
Easy install...softwawre is user friendly. A worthwhile investment.
Style: R40 Document ScannerVerified Purchase -
Gerardo F.Reviewed in Mexico on March 23, 2021
Equipo muy efectivo
Style: R40 Document ScannerVerified Purchase - KuanSungReviewed in Singapore on November 9, 2021
Work as expected and there was no issues. Managed to scan 6 books and no error encountered
Style: R40 Document ScannerVerified Purchase -
Fernando villa lReviewed in Mexico on February 12, 2022
buena calidad
Style: R40 Document ScannerVerified Purchase - GittiTechReviewed in Canada on September 11, 2024
Great for scanning old photos
Style: R40 Document ScannerVerified Purchase
