Your needs, this model
Does it fit your priorities?
Can Wi-Fi combine fax, single-pass Letter scans, PIN release and 350-sheet Legal duplex printing for 7,000 monthly pages?
Yes with compatible computer software and a suitable separate fax line. The exact source confirms Letter single-pass capture and Legal ordinary-paper print duplex.
Explore this need in the finder →Is full-size Legal glass scanning established for this exact package?
No confirmed glass-size route is supplied by the reviewed material. The generic maximum scan area is not evidence that both glass and feeder accept Legal; verify that surface before choosing.
Explore this need in the finder →Does the included package provide 900 sheets of Legal input?
No. Standard input is 350 sheets; the 900-sheet total requires an optional 550-sheet drawer.
Explore this need in the finder →Single-pass capture in a compact wireless MFP
The Lexmark MB3442adw is a monochrome office MFP whose most useful distinction is a genuine single-pass duplex document feeder. US part 29S0350 combines that 50-sheet feeder with a 2.8-inch touchscreen, built-in Wi-Fi, analog fax and 350 sheets of paper input. It suits a small team handling ordinary two-sided A4 or Letter originals alongside black-and-white printing.
Single-pass scanning is different from a feeder that reverses each sheet. The exact US source names the method and provides separate A4 and Letter scan modes. The color touchscreen and color scanning also remain separate from printed output: this is a monochrome printer and copier.
Match the original size to the scanner route
For Letter, the maker declares up to 48 black or 21 color sides per minute in simplex scanning, and 96 black or 42 color sides in duplex. Those are scanned sides, not printed pages or a hands-on measurement of processing and saving a particular file. Feeder handling, settings and the destination still matter.
Place suitable loose originals faceup, align their leading edges and set the guides. Use the glass for books, photos, small items and delicate media. The source's general 8.5-by-14-inch maximum does not separately establish every glass and feeder size. Confirm the exact surface range before making full-length Legal capture or a particular glass size a buying requirement.
Computer scanning is explicitly listed through USB or a network. The original guide describes ScanBack profiles, Windows Fax and Scan, and Mac Image Capture. Verify the needed software and destination permissions on the intended system. Network printing alone does not configure the computer's scanning workflow.
Wireless, wired and protected computer jobs
The exact package confirms built-in Wi-Fi as well as USB Type-B and 10/100 Ethernet. An abbreviated standard-port line does not cancel the separate Wireless Yes entry and explicit Wi-Fi description. For wireless setup, the guide calls for the Ethernet cable to be disconnected and the active adapter set to Auto.
AirPrint and Mopria are explicitly named for suitable shared networking. Check device compatibility and network reachability. Keep peer connections and ordinary network arrangements separate when evaluating scanner access or protected-job controls rather than assuming that every print path carries every function.
Confidential printing has actual computer instructions: compatible Windows software uses Print and Hold, while Mac software can use AirPrint PIN Printing or the driver option. Submit a four-digit PIN and release the job locally. Confirm the complete routine and administrative settings for the intended users. A broad security claim is not a substitute for that workflow.
Analog fax requires station information and a suitable separate telephone-line or adapter arrangement. Wi-Fi and Ethernet provide computer networking rather than the ordinary analog fax transport. Cloud connectors likewise require their applicable accounts and provider setup.
Paper capacity and sustainable workload
The included 250-sheet drawer and 100-sheet multipurpose feeder total 350 sheets on the stated 20-pound or 75-gsm basis. Letter, Legal and A4 fit both sources and automatic print duplex. Match guides, size and type to the load. Suitable envelopes use a separate one-sided multipurpose-feeder routine.
A 550-sheet optional drawer is needed to reach the 900-sheet maximum. Printing is declared up to 42 one-sided Letter pages per minute, with duplex separately 18 Letter sides per minute. The recommended monthly range is 800–8,000 pages, distinct from the 80,000-page maximum duty rating. These maker figures are not measured results for an office's mixed files.
Exact supplies and an earlier offered unit
The original US toner declares 3,000 pages. Listed replacements are B341000 at 1,500, B341H00 at 3,000 and B341X00 or B340XA0 at 6,000 under ISO/IEC 19752. The separate 40,000-page imaging unit has a different job and coverage basis. Match regional and Return Program terms.
Lexmark marks this model discontinued. Check condition, compatible software, the electrical label and installed accessories. Leave scanner-cover, loading and service room around the 28.2-pound body. A confirmed larger scanner surface or standard high-capacity configuration is the comparison when those requirements matter more than compact size.
Key details at a glance
| Color printing | No |
|---|---|
| Scanner | Yes |
| Copying | Yes |
| Fax | Yes |
| Flatbed scanner | Yes |
| Automatic document feeder | Yes |
| Automatic two-sided printing | Yes |
| Automatic two-sided scanning | Yes |
| Single-pass two-sided scanning | Yes |
| Color scanning | Yes |
| Instructed envelope handling | Yes |
| Apple AirPrint | Yes |
| Mopria printing | Yes |
| Supported PIN-release printing | Yes |
| Recommended monthly minimum | 800 pages |
| Recommended monthly maximum | 8000 pages |
| Maximum monthly duty | 80000 pages |
| Included ordinary-paper capacity | 350 sheets |
| Document-feeder capacity | 50 sheets |
| Declared one-sided mono Letter rate | 42 pages/min |
| Unit-body width | 16.2 in |
| Unit-body depth | 14.4 in |
| Unit-body height | 13.3 in |
| Unit weight | 28.2 lb |
| Imaging engine | laser |
Use the exact model’s instructions for operating limits, supplied equipment and version differences.
Paper, software and setup details
Print-rate conditions
Maker maximum 42 one-sided Letter pages/minute; print duplex separately 18 Letter sides/minute. Single-pass Letter scans separately 48 black/21 color simplex or 96 black/42 color duplex sides/minute; scan images are not print pages.
Paper handling
Included 250-sheet drawer plus 100-sheet MPF: 350 sheets at 20 lb/75 gsm. Letter/Legal/A4 fit both inputs and ordinary automatic print duplex. Optional 550-sheet drawer raises input to 900. Suitable envelopes use MPF simplex.
Scanning arrangement
50-sheet DADF explicitly single-pass. Exact A4/Letter feeder scan modes are established. Flatbed hardware and computer scanning are positive, but the generic 8.5 x 14 maximum does not separate surfaces; exact glass sizes and Legal feeder size remain unestablished in this source set.
Computer and mobile connections
Included 10/100 Ethernet, USB Type-B and built-in Wi-Fi confirmed by exact Wireless Yes and marketing. AirPrint/Mopria are explicit for suitable shared networking. Configure Wi-Fi with Ethernet disconnected and Active Adapter Auto. No unverified peer scan/PIN arrangement is joined to the normal plans.
Supplies and declared yields
US supplied Return Program toner 3,000 pages. B341000 replacement 1,500; B341H00 3,000; B341X00/B340XA0 6,000 under ISO/IEC 19752. Separate 55B0ZA0 imaging unit 40,000 uses its own job/coverage basis; not B22 toner.
Software and support
Guide 70–71 supplies actual compatible Windows Print and Hold and Mac AirPrint PIN Printing with a four-digit PIN and local release. Verify complete submission controls and settings. Cloud connectors require applicable account/provider setup; historical service names are not blanket current availability promises.
Electrical edition and setup
Analog fax requires station details and a suitable separate phone line/adapter arrangement. Hard disk is not available. Check the actual electrical label, current print/scan software and clearance beyond the body dimensions.
Sources for this assessment
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