The DR-C350 comes with a printed setup guide that includes a link to download Canon’s software installer.
(Credit: Canon)
The software package includes the CaptureOnTouch V5 Pro application, the Canon imageFormula Driver Setting Tool, a system configuration utility, and a user manual. When you first run the CaptureOnTouch V5 Pro app, its home screen shows two document options (Full Auto and Text) and two output options (Desktop and Pictures Folder).
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Full Auto lets the scanner automatically set the color mode (24-bit color, grayscale, or black and white), page size, dots per inch (from 200dpi to 600dpi), and scanning side (skip blank page, simplex, or duplex). It also offers options to automatically straighten skewed images and rotate images to match the orientation of text.
So, Full Auto will likely be your go-to for most documents, especially ones that include a mix of text and graphics. The Text option, designed for scanning you-know-what, is configured for grayscale scans at the faster, but lower-resolution 200dpi.
You can create additional document options. For instance, if OCR accuracy is a priority, you could create a grayscale-text setting at 300dpi or 600dpi. Or you may want a version of the Full Auto option that always initiates a simplex scan.

(Credit: Canon)
Among the output choices, the Desktop option saves your scans as a PDF file to the Windows desktop, while Pictures Folder drops them into the eponymous spot. You can choose different file locations or types, including DOCX (*.docx), XLSX (*.xlsx), PPTX (*.pptx), PDF (*.pdf), JPG (*.jpg), TIFF (*.tif), PNG (*.png), and BMP (*.bmp). That’s a broad selection and could be valuable to businesses.
You can initiate a scan from within the CaptureOnTouch app or from the scanner itself. In addition to the usual Start and Stop buttons, the unit has a double-feed release (DFR) button that lights up whenever it detects a double feed. When that happens, a Rapid Recovery System screen appears in Windows with a preview of the misfeed, and offers you three choices: save it and continue, discard it and stop, or discard it and continue. You can also hit the scanner’s DFR button to cancel detection and continue with the scan.
Like the DR-S350NW, the DR-C350 has a feed-selector lever on the front of the unit. Push it down, and you get Normal mode, which you can use for either single-page or multiple-page scans. Push the lever up for documents that are fastened together, such as invoices. That’s the Bypass mode.
Canon suggests using Bypass for extra protection when scanning cards with an embossed surface (also known as bumpy cards), as well as passports and fragile documents in carrier sheets. (Canon sells its own sheets compatible with the scanner.)
