How many fit
Only 9 of the 48 models checked meet every need here: “I scan pages with both sides used” and “I want one pass for both sides”.
9 models fit, out of 48 checkedPicked for one job
Top pick

For monochrome office work, start with the Canon MF462dw II, whose 50-sheet feeder scans both sides in one pass. If color output matters, go to the MF665Cdw. For larger scan stacks and heavier printing, look at the Brother MFC-L5915DW.
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Pick a printer that scans both sides on its own. Weigh color needs, scan-stack size and how duplex printing differs from duplex scanning.
By the numbers
What we found across the laser printers we compare, plus the checked facts behind each finding.
Only 9 of the 48 models checked meet every need here: “I scan pages with both sides used” and “I want one pass for both sides”.
9 models fit, out of 48 checkedHow we countedThe count uses each product's current fit ratings for “I scan pages with both sides used” and “I want one pass for both sides”. A need with no documented match is not counted.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Canon MF462dw II |
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| Canon MF665Cdw |
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| Brother MFC-L5915DW |
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Decision guide
Begin by counting the sheets in the incoming packet and asking whether your printed output has to be in color.
A two-sided contract of 30 sheets has 60 faces. With a single-pass duplex feeder, those faces get captured and you never turn the stack over for the backs. Feeders are normally rated in sheets, so 30 suitable sheets fit in a 50-sheet feeder even though the resulting file has 60 scanned faces.
Automatic two-sided printing is built into the Brother DCP-L2640DW and Canon MF751Cdw II, yet their feeders scan one side at a time. For one-sided originals they can still be useful. If avoiding manual reversal is why you are buying a new machine, they fit less well.
Supported loose sheets are what a document feeder is for. Bound books, delicate originals and anything outside the feeder’s paper limits need a flatbed, so keep one. Turning book pages is not something single-pass scanning automates.
Up to 70 sheets go into the Brother MFC-L5915DW, which is recommended for up to 8,000 printed pages a month. The Canon MF462dw II takes 50 sheets and recommends up to 4,000 printed pages. A 60-sheet packet or a regular 5,000-page month is a concrete reason to move up to the Brother.
3 options

Canon, MF462dw II
Everyday black-and-white printing for the office, plus two-sided forms.
Top pick ifDuplex originals in a monochrome office
Color scanning does not come with color printing on this model.

Canon, MF665Cdw
Prints color handouts and takes two-sided forms without you flipping every page.
Pick this instead ifYou also have color charts or handouts to produce.
Special media that it supports has to be fed one sheet at a time through the bypass.

Brother, MFC-L5915DW
Quick monochrome printing and scanning for an office that runs on documents.
Pick this instead ifYour scan packets fall between 51 and 70 sheets, or recurring printing goes beyond 4,000 pages a month.
It cannot print in color, and it is far bigger than home-office models.
Ready to buy
Top pick for this job

Automatic two-sided scanning, verified apart from duplex printing
See price & reviews on AmazonPick this instead if

You also have color charts or handouts to produce.
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