You bought an all-in-one printer to streamline your workflow, not to stand at the scanner flipping 50 pages manually. The single feature that separates a modern productivity machine from an outdated paperweight is duplex scanning—the ability to capture both sides of a page in a single pass without manual intervention. That spec, combined with fast print speeds and low operating costs, defines the best choices in this crowded category.
I’m Rikta — the co-founder and writer behind FitlyFast. My research for this guide involved cross-referencing duplex scanning capabilities, page yields, toner costs, and real-world reliability data across nine leading models to find the machines that genuinely deliver on their two-sided promises.
From compact monochrome lasers to high-capacity ink tank systems, this guide evaluates the top contenders to help you identify the ideal all in one printer with duplex scanning for your specific workflow.
How To Choose The Best All In One Printer With Duplex Scanning
Choosing the right machine means looking beyond the basic “duplex” checkbox. The true deciding factors are the scanner’s automatic document feeder design, the print technology, and the total cost of ownership over several years. Here are the critical specifications to evaluate.
ADF Capacity and Duplex Scanning Mechanism
The automatic document feeder (ADF) is the heart of duplex scanning. A 50-sheet ADF lets you load a stack and walk away, while a 35-sheet feeder requires more frequent reloading. Equally important is whether the ADF uses a single-pass or dual-pass duplex mechanism. Single-pass scanners capture both sides in one sweep through the feeder, which is faster and reduces paper wear. Dual-pass models flip the page and scan the second side, which adds time and mechanical stress. Always confirm the ADF supports duplex scanning, not just duplex printing.
Print Technology: Laser vs. Ink Tank vs. Inkjet
Laser printers deliver sharp, smudge-proof text and the lowest cost per page for monochrome documents, making them ideal for office and home office use. Color laser models offer good graphics but carry higher toner replacement costs. Ink tank systems like Canon MegaTank and Epson EcoTank drastically reduce ink expenses by using refillable bottles, though the initial purchase price is higher. Traditional inkjet printers have lower upfront costs but the highest long-term ink expenses, so they are rarely the best value for high-volume duplex scanning workflows.
Connectivity and Network Reliability
A printer that drops its Wi-Fi connection mid-scan defeats the purpose of a networked device. Look for models with dual-band wireless (2.4GHz and 5GHz) and Ethernet ports for a wired fallback. Mobile printing support via Apple AirPrint, Mopria, and dedicated manufacturer apps is standard, but check whether the app allows direct scanning to cloud services like Google Drive and Dropbox. For shared offices, models with a higher monthly duty cycle and robust network stack will maintain consistent performance under load.
Quick Comparison
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| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Brother MFC-L3720CDW | Color Laser | Print-heavy offices needing color | 19 ppm color, 50-sheet ADF | $459.99Amazon |
| Epson EcoTank ET-4950 | Ink Tank | Lowest cost per page color | 6,600-page black ink yield | Amazon |
| Canon MegaTank MAXIFY GX2020 | Ink Tank | Compact color with low ink cost | 3,000-page black ink yield | $335.57$410.99Amazon |
| Xerox C235dni | Color Laser | Small office color documents | 24 ppm color, 24 bpp depth | $399.99Amazon |
| HP LaserJet Pro MFP 3101fdw | Mono Laser | Security-focused offices | 35 ppm, HP Wolf Pro Security | $194.10Amazon |
| HP LaserJet Pro MFP 3101sdw | Mono Laser | Small teams needing fast mono | 40 ppm, 50-sheet ADF | $164.99$249.00Amazon |
| Brother MFC-L2820DW | Mono Laser | Compact B&W with strong cloud support | 36 ppm, 2.7″ touchscreen | $279.99Amazon |
| Canon imageCLASS MF275dw | Mono Laser | Budget-friendly B&W home office | 30 ppm, 35-sheet ADF | $229.99Amazon |
| Epson Workforce Pro WF-7840 | Inkjet Wide | Wide-format up to 13″x19″ | 25 ppm, 50-page ADF | $229.99$379.99Amazon |
In‑Depth Reviews
1. Brother MFC-L3720CDW
$459.99as of Jun 29, 3:25 AMThe Brother MFC-L3720CDW is a color laser all-in-one that delivers 19 ppm in both black and color, with a 50-sheet automatic document feeder for duplex scanning. The 3.5-inch color touchscreen offers 48 customizable shortcuts, letting you program frequent scan-to-cloud or copy tasks for one-tap execution. Dual-band wireless, Wi-Fi Direct, and USB connectivity ensure flexible placement in any office layout.
Print quality is crisp with vibrant color output suitable for presentations and marketing materials. The 250-sheet adjustable paper tray handles varied media sizes, and automatic duplex printing saves paper without sacrificing speed. The scanner captures multi-page documents reliably, and the ADF rarely jams even with mixed paper types.
Toner efficiency is strong when using Brother Genuine cartridges, and the Refresh subscription trial offers up to 50% savings on replacements. Users report consistent performance over thousands of pages, though the waste toner error can lock the printer after high-volume use. For a feature-rich color laser with true duplex scanning, this Brother model is a top-tier choice.
Why it’s great
- Fast 19 ppm color printing with vibrant laser output
- Large 50-sheet ADF for efficient duplex scanning
- Customizable 3.5-inch touchscreen with cloud shortcuts
Good to know
- Waste toner error can brick the unit after extended use
- Color laser toner costs are higher than ink tank alternatives
2. Epson EcoTank ET-4950
See price on AmazonThe Epson EcoTank ET-4950 is a cartridge-free supertank printer that ships with enough ink for up to 6,600 black pages and 5,500 color pages. Print speeds reach 18 ppm black and 9 ppm color with zero warmup time, making it ideal for high-volume home offices. The 250-sheet paper tray, auto document feeder, and automatic duplex printing and scanning keep multi-page jobs moving efficiently.
The 2.4-inch color display provides clear navigation for scan-to-email, copy, and fax functions. Setup involves filling the uniquely keyed EcoFit ink bottles, which auto-stop to prevent mess. Print quality is excellent for documents and good for borderless photos, though it is not designed for professional photo lab work. The scanner performs well, and wireless connectivity is reliable across devices.
Users praise the long-lasting ink and easy refill process, noting the ET-4950 is a worthy successor to older WorkForce models. Some report flimsy tray construction and plastic creaking sounds, but the overall build holds up well. For anyone wanting the lowest cost per page in color without cartridge hassles, this Epson is a clear winner.
Why it’s great
- Ink yields of 6,600 black pages per bottle set
- Auto-stop refill bottles eliminate mess
- Duplex scanning and printing standard
Good to know
- Paper trays feel less robust than laser printer trays
- Print speed is slower than mono laser competitors
3. Canon MegaTank MAXIFY GX2020
$335.57$410.99as of Jun 29, 3:25 AMThe Canon MegaTank MAXIFY GX2020 is a compact ink tank all-in-one that prints up to 3,000 black or color pages per ink bottle set. It offers wireless printing, copying, scanning, and fax, with a 35-sheet automatic document feeder and a 2.7-inch LCD color touchscreen. Auto duplex printing is included, and the refillable tank system dramatically reduces ongoing ink costs compared to cartridge-based inkjets.
Print quality is strong for documents, with crisp text and vibrant colors that hold up well on plain paper. The scanner and copier produce clean results, and the ADF handles multi-page jobs without frequent jams. Wi-Fi setup is straightforward via the Canon PRINT app, and the compact footprint fits easily on a small desk.
Users report excellent value from the MegaTank system, with ink levels barely dropping after hundreds of pages. The GX2020 is quieter than many laser printers, though some users note it struggles with cardstock and photo paper. For a space-saving color printer with duplex scanning and low running costs, this Canon is a strong mid-range contender.
Why it’s great
- Ultra-low ink cost with 3,000-page per bottle yield
- Compact design saves desk space
- Auto duplex printing and 35-sheet ADF included
Good to know
- Struggles with cardstock and heavier media
- Color photo quality is adequate but not professional-grade
4. Xerox C235dni
$399.99as of Jun 29, 3:25 AMThe Xerox C235dni is a wireless color laser all-in-one that prints, scans, copies, and faxes at 24 ppm for both black and color. It includes a 500-page starter toner and supports high-yield cartridges for offices printing up to 1,500 pages per month. Built-in Wi-Fi with Apple AirPrint and Mopria support ensures easy mobile printing from any device.
Print quality produces sharp text and vibrant color graphics suitable for business presentations and reports. The touchscreen interface simplifies navigation, though initial setup can be tricky—users report that generic paper causes washed-out output and that Eco mode must be disabled for full vibrancy. The duplex scanning function works reliably once configured, and the ADF handles mixed document sizes.
Xerox brand trust gives this model a reliability edge for long-term use. Some units arrive appearing used or with weak cartridge door hinges, so inspection upon delivery is wise. For a mid-priced color laser with duplex scanning and low monthly running costs, the C235dni is a solid option for small office environments.
Why it’s great
- 24 ppm color printing with professional laser quality
- Supports high-yield cartridges for lower running costs
- Reliable brand with strong build quality
Good to know
- Setup can be finicky with paper and Eco mode settings
- Ink ran low quickly for some users after few pages
5. HP LaserJet Pro MFP 3101fdw
$194.10as of Jun 29, 3:25 AMThe HP LaserJet Pro MFP 3101fdw is a monochrome laser all-in-one built for small teams of up to seven people, printing at up to 35 ppm. It includes HP Wolf Pro Security for customizable endpoint protection, plus auto duplex printing and a 50-sheet automatic document feeder for fast scanning and copying. Intelligent Wi-Fi seeks the best connection to stay online, and Ethernet and Bluetooth provide wired alternatives.
Print quality is sharp and professional, with the auto document feeder handling multi-page jobs efficiently. Users report scanning and copying as reliable, though some experience fuzzy or faded text and graphics after extended use. The 250-sheet input tray is adequate for typical office workloads, and the intuitive touchscreen control panel simplifies daily operations.
Firmware updates are designed to block non-HP cartridges, so buyers should factor OEM toner costs into their budget. One user successfully printed over 20,000 pages in nine months without jams, highlighting the machine’s durability. For a security-minded office that demands fast monochrome duplex scanning, this HP model delivers.
Why it’s great
- HP Wolf Pro Security protects sensitive data
- Fast 35 ppm printing with reliable ADF scanning
- Intelligent Wi-Fi maintains stable connection
Good to know
- Firmware blocks non-HP toner cartridges
- Some units reported print quality issues after weeks
6. HP LaserJet Pro MFP 3101sdw
$164.99$249.00as of Jun 29, 3:25 AMThe HP LaserJet Pro MFP 3101sdw is a monochrome laser all-in-one that prints at up to 40 ppm, making it one of the fastest models in this guide. It features automatic duplex printing, a 250-sheet input tray, and a 50-sheet auto document feeder for efficient scanning. Wireless connectivity is dependable, with Wi-Fi that reconnects automatically after power outages.
Print quality is crisp and clear, with the introductory toner yielding approximately 1,000 pages. Setup is straightforward, and users report immediate wireless printing without driver struggles. The auto document feeder handles up to 25 sheets reliably before potential jams increase. The compact white chassis looks clean in any office setting.
HP firmware blocks off-brand cartridges, but users can decline updates to continue using generic toner. One reviewer bought three units for different locations, all working flawlessly. For small teams prioritizing raw print speed without sacrificing duplex scanning capability, the 3101sdw is a compelling choice.
Why it’s great
- Blazing 40 ppm monochrome print speed
- Reliable Wi-Fi with automatic reconnection
- Simple setup with excellent print quality
Good to know
- Firmware updates block generic toner cartridges
- ADF can jam if overloaded past 25 sheets
7. Brother MFC-L2820DW
$279.99as of Jun 29, 3:25 AMThe Brother MFC-L2820DW is a compact monochrome laser all-in-one that prints at up to 36 ppm, with scan speeds of 23.6/7.9 ipm for black and color. The 50-page auto document feeder enables efficient multi-page duplex scanning, while the 2.7-inch touchscreen provides easy navigation and direct access to cloud apps like Google Drive and Dropbox. Dual-band wireless and Ethernet ensure flexible connectivity.
Print quality is excellent for black-and-white documents, with crisp text and smooth grayscale graphics. The compact footprint saves desk space without sacrificing paper capacity—the 250-sheet tray handles typical office volumes. Setup is generally smooth via the Brother Mobile Connect App, though some users find the initial Wi-Fi configuration confusing compared to other brands.
Brother’s Refresh EZ Print Subscription helps manage toner costs, and the machine works with both OEM and quality generic cartridges without firmware blocks. Users describe it as a reliable workhorse that rarely jams. For a space-saving monochrome laser with true duplex scanning and cloud integration, the MFC-L2820DW is a smart pick.
Why it’s great
- Compact design with 36 ppm print speed
- 50-sheet ADF for efficient duplex scanning
- Cloud app integration via touchscreen
Good to know
- Setup instructions are sparse for beginners
- Wi-Fi connection can be tricky during initial configuration
8. Canon imageCLASS MF275dw
$229.99as of Jun 29, 3:25 AMThe Canon imageCLASS MF275dw is a monochrome laser all-in-one that prints at up to 30 ppm with a quick first print time of approximately 5.3 seconds. It includes a 35-sheet automatic document feeder for scanning and copying multi-page documents, plus auto duplex printing. The 6-line adjustable touchscreen provides intuitive control, and the 150-sheet paper cassette handles moderate print volumes.
Print quality is consistently sharp and reliable, with very low cost per page when using OEM or compatible 071 cartridges. Wireless setup is straightforward via the Canon PRINT Business app, and mobile printing works seamlessly with Apple AirPrint and Mopria. The scanner captures crisp color documents through the ADF, though it lacks true duplex scanning—users must manually flip pages for two-sided scanning.
Energy Star and EPEAT Silver certifications make this an eco-friendly choice. Users praise the affordable price point and solid build quality, noting it is a reliable home office tool. For budget-conscious buyers who prioritize duplex printing over duplex scanning, the MF275dw offers excellent monochrome performance.
Why it’s great
- Very low cost per page with monochrome laser
- Fast 30 ppm speed with quick first print
- Easy wireless setup and mobile print support
Good to know
- No duplex scanning—requires manual page flipping
- 150-sheet cassette is smaller than many competitors
9. Epson Workforce Pro WF-7840
$229.99$379.99as of Jun 29, 3:25 AMThe Epson Workforce Pro WF-7840 is a wide-format inkjet all-in-one that prints up to 13″ x 19″, making it unique among this list for tabloid-size documents. It uses PrecisionCore Heat-Free technology for fast output, with DURABrite Ultra ink that dries quickly and resists smudging. The 500-sheet paper capacity, 50-page ADF, and 4.3-inch screen support demanding office workflows.
Print quality is excellent for color graphics and line drawings, with crisp AutoCAD output that professionals rely on. The scanner works well for multi-page jobs, though scanning requires PC activation and cannot be initiated from the device alone. Ink costs are managed through standard cartridges rather than tank refills, which can add up over time for heavy users.
Users appreciate the durability, with one reviewer printing over 12,000 pages over four years. However, frequent firmware update prompts that block third-party ink and occasional phantom paper jam errors are common complaints. For a workgroup that needs wide-format duplex scanning, the WF-7840 is a capable if maintenance-heavy choice.
Why it’s great
- Prints up to 13″x19″ for tabloid-size documents
- 500-sheet capacity handles high-volume jobs
- PrecisionCore technology for fast, smudge-free output
Good to know
- Firmware updates aggressively block third-party ink
- Scanner cannot be activated from the device, requires PC
FAQ
What is the difference between duplex printing and duplex scanning?
How many sheets should my ADF hold for duplex scanning?
Can I use third-party toner in a duplex scanning printer?
Final Thoughts: The Verdict
For most users, the all in one printer with duplex scanning winner is the Brother MFC-L3720CDW because it combines fast color laser output, a generous 50-sheet ADF with true duplex scanning, and a customizable touchscreen that streamlines daily workflows. If you want the absolute lowest cost per page in color with cartridge-free refills, grab the Epson EcoTank ET-4950. And for a compact monochrome laser that balances speed with cloud integration, nothing beats the Brother MFC-L2820DW.
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