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Office Products · SCENARIO ANSWER
Which mono fax MFP fits: automatic duplex, wireless, or a larger ADF?
Question: I need black-and-white printing, fax, and scanning. Should I prioritize automatic duplex, wireless placement, or a larger document feeder?
About this comparison
These four older or compact mono MFPs make different compromises. Brother's MFC-7365DN combines automatic duplex and Ethernet; the MFC-8840D adds a 50-sheet ADF but only optional Ethernet; HP's M130fw provides Wi-Fi and wired networking with manual duplex and a published monthly range; Brother's MFC-7840W has Wi-Fi, while its duplex and Ethernet details remain unconfirmed.
Research basis: This answer compares documented features for the reviewed laser printers in this guide. We have not tested these products hands-on. This article compares selected models; the interactive finder considers the full reviewed range.
THE SHORT ANSWER
What we would do
Start with the Brother MFC-7365DN if automatic two-sided output and built-in Ethernet matter most. Choose the MFC-8840D when a 50-sheet ADF is the priority and USB or parallel connection works, verifying any optional Ethernet card on the unit. The HP M130fw is the clearest fit when Wi-Fi or a documented 150–1,500 page monthly recommendation matters, but it requires manual duplex. The MFC-7840W offers Brother-documented wireless fax and scanning, while its exact duplex and Ethernet support remain unknown. Confirm each suffix and the condition of any older device before relying on it.
THE NEEDS BEHIND THESE PICKS
What this answer assumes
These are the needs behind this comparison. Change them in the questionnaire to get a shortlist for your own routine.
OutputBlack-and-white is enoughMust-have
FunctionsFax is requiredMust-have
Paper handlingI would prefer automatic duplexPreference
Monochrome printing, fax, and scanning are required; copy is welcome but color output is not.
Automatic duplex is a preference rather than a hard requirement, so models with manual or unconfirmed duplex remain visible.
The comparison does not assume current stock, supply condition, or a monthly workload unless the manufacturer states one.
Change any answer in the interactive laser printers finder if your priorities are different. The finder opens with the same must-haves and preferences; change any choice to see how the shortlist responds.
USEFUL FOLLOW-UPS
Questions to ask before you choose
Which model has confirmed automatic duplex?
Brother lists duplex printing for the MFC-7365DN and identifies the MFC-8840D as a duplex configuration. HP specifies manual duplex on the M130fw; the checked MFC-7840W page does not establish duplex.
Which model has the largest feeder?
Brother lists a 50-sheet ADF for the MFC-8840D. The MFC-7365DN and HP M130fw each have a 35-sheet ADF; Brother's reviewed MFC-7840W page also lists 35 sheets.
Which one has a documented workload range?
HP recommends 150–1,500 pages per month for the M130fw. The checked sources for the other three do not establish a recommended monthly range.
Does the MFC-8840D include Ethernet?
Brother lists USB and parallel on the base D model and says Ethernet is optional; verify any card on the exact unit.
Are these current, tested offers?
No. Manufacturer documentation establishes original features, not current stock, seller condition, remaining toner, or hands-on performance.
SOURCES & REVIEW LINKS
Check the product details
Open a full review for the complete editorial analysis, pros, cons, alternatives, and source list. The links below open the full reviews for each option in this answer.
Use the full reviews below for the documented details, pros, cons, alternatives, and sources for every option in this answer. The shortlist above explains how each one fits this question.
Brother MFC-7365DN Monochrome Laser All-in-OneRead the full review · Features, pros, cons and sourcesTHE FULL REVIEW · Fits your priorities
Brother MFC-7365DN Monochrome Laser All-in-One: is it right for you?
Wired mono fax MFP with automatic duplex.
Buyer Shortlists editorial·
Based on linked manufacturer documentation and editorial analysis. We have not tested this product hands-on.
IN THE CONTEXT OF YOUR ANSWERS
Fits your priorities
Brother identifies the MFC-7365DN as a monochrome laser all-in-one that prints, copies and faxes, with a color scanner for digitizing originals. The product page rates it up to 24 pages per minute, lists a 35-sheet automatic document feeder and 250-sheet main tray, and describes duplex printing. Ethernet supports wired sharing, while USB covers a direct computer connection. The checked page does not establish built-in Wi-Fi or a recommended monthly workload, so this model fits best when its fax and duplex functions matter more than wireless placement or a published volume band.
Black-and-white is enoughMust-have · Fits this answer
The documented output is monochrome, which fits a black-and-white workflow.
Fax is requiredMust-have · Fits this answer
The exact model documentation lists fax capability.
I would prefer automatic duplexPreference · Fits this answer
Automatic two-sided printing reduces manual page handling.
Consider it for
A small office that needs monochrome fax, color document scanning and automatic two-sided output on USB or a wired network..
Look elsewhere if
Choose another model if you require built-in Wi-Fi, a documented monthly recommendation, color print output, or an exact promise of current parts availability.
The advantages and the compromises
Pros
Brother lists print, copy, fax and color scanning on the exact monochrome model.
The 35-sheet ADF and 250-sheet tray support ordinary multipage office documents.
Automatic duplex and Ethernet provide useful wired-office features without relying on an optional wireless adapter.
Cons
Wireless networking is not established by the reviewed MFC-7365DN product page.
Brother does not state a recommended monthly range in the checked product details.
A 250-sheet main tray may need attention in a busy shared queue, and a used unit's condition must be checked individually.
The key details
Model covered
MFC-7365DN
Main functions
Monochrome print, copy and fax with color scanning
Print output
Up to 24 ppm; 35-sheet ADF and 250-sheet tray
Two-sided printing
Automatic duplex; Ethernet and USB; monthly recommendation unknown
Relevant to your monochrome output and fax function answer
Which office tasks does it combine?
Brother describes the MFC-7365DN as a monochrome laser all-in-one for printing, copying and faxing, with a color scanner. That combination is useful when a small office still receives paper forms or faxes and needs to send scanned color originals to a computer. The printer itself remains black-and-white, so the color scanner should not be mistaken for color printing. A buyer who only prints occasional text pages may get little benefit from the extra fax and document-capture hardware.
How do speed and paper capacity fit a small office?
The product page rates output up to 24 pages per minute and lists a 250-sheet tray, plus a single-sheet manual feed slot for envelopes or thicker media. Those specifications describe a more capable shared desk device than a very basic personal printer, while still leaving the office responsible for refilling its standard tray. The 35-sheet ADF can feed a short stack for scanning or faxing. Neither the speed rating nor the tray capacity establishes a suitable monthly total.
Relevant to your automatic duplex preference answer
What changes when it prints both sides?
Brother identifies duplex printing as a feature of this exact model. For routine reports, instructions or internal documents, automatic page turning can reduce the steps involved in producing two-sided output. That is a different function from scanning both sides of an original: the reviewed page establishes print duplex but does not establish duplex scanning through the ADF. If double-sided originals are common, confirm the feeder workflow in the manual before choosing this machine for that task.
Is its connection a match for the room?
Brother documents built-in Ethernet and USB. Ethernet gives a small team a wired way to share the printer, while USB provides a direct connection for a nearby workstation. The checked page does not establish Wi-Fi, so do not plan wireless placement based only on a product listing that omits the exact suffix. Confirm the network and driver needs for the office's computers. This model makes more sense where a cable is available than where the printer must join a wireless-only setup.
Relevant to your fax function answer
Does the ADF simplify everyday document handling?
The 35-sheet automatic document feeder lets a user load several pages for a scan or fax instead of placing every sheet individually on the glass. Brother also lists color scanning, so a color original can be digitized even though printed pages are monochrome. Feeder capacity is a convenience for short batches, not evidence of a fast duplex scanner. If an office regularly digitizes large two-sided stacks, compare the exact scanning path and capacity with a model whose duplex ADF is explicitly documented.
What remains unknown before choosing it?
Brother's checked product page supplies its basic functions and connections but does not provide a recommended monthly page range. Keep workload fit unknown rather than converting the 24 ppm speed or 250-sheet tray into a monthly recommendation. The product is marked discontinued on Brother's page; that is context for an older unit, not proof about a particular seller's stock, toner or service history. Inspect the exact MFC-7365DN label and check the offered machine's condition and return terms.
How the alternatives change the decision
Choose a wireless mono fax MFP if the printer cannot use Ethernet, or a duplex-scanning model if two-sided originals are a regular task.
Before you decide
Does the MFC-7365DN print in color?
No. Brother identifies monochrome laser printing; its color capability is for scanning originals.
Can it fax and feed a stack of pages?
Yes. Brother lists fax and a 35-sheet automatic document feeder on this exact all-in-one.
Does Brother recommend a monthly page range?
The reviewed product page does not establish a recommended monthly workload for the MFC-7365DN.
The decision for your answers
The MFC-7365DN suits a wired small office that will use fax, color scanning and automatic duplex. Wi-Fi and monthly workload guidance remain unconfirmed.
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Brother MFC-8840D Monochrome Laser Multifunction PrinterRead the full review · Features, pros, cons and sourcesTHE FULL REVIEW · Fits your priorities
Brother MFC-8840D Monochrome Laser Multifunction Printer: is it right for you?
Legacy fax MFP with automatic duplex and large ADF.
Buyer Shortlists editorial·
Based on linked manufacturer documentation and editorial analysis. We have not tested this product hands-on.
IN THE CONTEXT OF YOUR ANSWERS
Fits your priorities
Brother's U.S. specifications identify the MFC-8840D as a monochrome laser multifunction device with print, copy, fax and color scanning. It is rated at up to 21 pages per minute on Letter paper, with a 50-sheet ADF and 250-sheet paper capacity. Brother's manual names the MFC-8840D among the duplex configurations. The base model uses USB and parallel interfaces; Ethernet is an option, so it is not the same network configuration as the MFC-8840DN. This is a legacy office machine whose exact suffix and installed accessories need checking.
Black-and-white is enoughMust-have · Fits this answer
The documented output is monochrome, which fits a black-and-white workflow.
Fax is requiredMust-have · Fits this answer
The exact model documentation lists fax capability.
I would prefer automatic duplexPreference · Fits this answer
Automatic two-sided printing reduces manual page handling.
Consider it for
An older wired office workflow that needs fax, duplex output and a larger document feeder and can use USB or parallel..
Look elsewhere if
Choose a different model if you require built-in Wi-Fi, standard Ethernet without an option, current operating-system certainty, or a published monthly workload range.
The advantages and the compromises
Pros
Brother documents fax, copying and color scanning in addition to monochrome printing.
The 50-sheet ADF can accept a larger stack than many compact desktop MFP feeders.
Automatic duplex output helps with longer office documents.
Cons
The standard MFC-8840D interfaces are USB and parallel; Ethernet requires an option.
It is distinct from the MFC-8840DN, so the DN model's networking must not be transferred.
The reviewed sources do not establish a recommended monthly volume or the condition of a specific used device.
The key details
Model covered
MFC-8840D
Main functions
Monochrome print, copy, fax and color scanning
Print output
Up to 21 ppm Letter; 50-sheet ADF and 250-sheet paper capacity
Two-sided printing
Automatic duplex; USB and parallel; Ethernet optional
Why is the exact D suffix important?
Brother's support page identifies the MFC-8840D, while the related MFC-8840DN is a separate configuration. The base D model's documented connections are USB and parallel, with Ethernet available as an option. A seller listing that shortens the name to MFC-8840 can hide that difference. Confirm the complete suffix and any installed network card on the actual machine. This prevents a buyer from planning a wired shared queue around a feature that belongs to another configuration or accessory.
Relevant to your monochrome output and fax function answer
What document work can it handle?
Brother describes printing, copying, fax and color scanning on this monochrome laser MFP. The printer produces black-only output, but scanning can preserve color originals for a computer workflow. This combination is useful in an office that receives forms by fax and digitizes incoming pages. It does not provide color prints, and the reviewed sources do not establish newer cloud or mobile integrations. Buyers who only need local text output may prefer a smaller print-only unit.
Relevant to your fax function answer
Does the larger ADF improve paper handling?
The 50-sheet automatic document feeder lets the user load a longer stack for scanning or faxing than a small 35-sheet feeder. The main paper capacity is 250 sheets, keeping routine print stock separate from originals placed in the ADF. Those capacities help reduce repeated page placement, but they do not establish duplex scanning: Brother's cited details document print duplex, not an automatic two-sided scan path. Confirm whether your originals need to be captured on both sides before relying on this device.
Relevant to your automatic duplex preference answer
How does automatic duplex affect output?
Brother's manual identifies the MFC-8840D as a duplex configuration. That allows it to produce two-sided pages without the user turning the stack between passes, which can save handling time on reports and routine office paperwork. The feature applies to printed output and should not be read as proof of duplex scanning through the feeder. For single-sided forms or occasional short jobs, duplex may be less important; for regular double-sided documents, it is one of the model's stronger documented fits.
Will its speed and tray suit your office?
Brother rates the MFC-8840D up to 21 pages per minute on Letter paper and lists 250-sheet paper capacity. Those values describe an older office MFP rather than a high-speed current network device. The speed rating is a manufacturer figure, while the tray size determines how often someone may need to reload paper. No recommended monthly page range is established in the sources reviewed here, so do not use its speed or maximum duty rating as a replacement for workload guidance.
Relevant to your fax function answer
What should a buyer inspect on a legacy unit?
Brother's source identifies the model as discontinued, so a particular unit may require careful checks of the feeder, fax connection, scanner glass and paper path. The product record cannot establish remaining toner, drum life, seller configuration or current driver support for your operating system. Verify the MFC-8840D label rather than assuming the DN version, and confirm whether any optional Ethernet card is installed if you need network sharing. Purchase condition and accessories vary by seller and are not implied by original specifications.
How the alternatives change the decision
Choose the MFC-8840DN only when its exact network configuration is verified, or a newer MFP if current drivers and Wi-Fi are essential.
Before you decide
Does the MFC-8840D have automatic duplex printing?
Yes. Brother's manual identifies the MFC-8840D as a duplex configuration for two-sided printed output.
Is Ethernet included on the base MFC-8840D?
Brother lists USB and parallel as standard; Ethernet is optional and should be verified on the exact unit.
Is this the same configuration as the 8840DN?
No. The D and DN are distinct; do not transfer the DN model's network interface to the base D.
The decision for your answers
The MFC-8840D is a legacy fax MFP for wired document workflows that value a 50-sheet ADF and automatic duplex but can work without standard Ethernet.
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HP LaserJet Pro MFP M130fw Monochrome Multifunction PrinterRead the full review · Features, pros, cons and sourcesTHE FULL REVIEW · A fit with trade-offs
HP LaserJet Pro MFP M130fw Monochrome Multifunction Printer: is it right for you?
Compact wireless fax MFP with manual duplex.
Buyer Shortlists editorial·
Based on linked manufacturer documentation and editorial analysis. We have not tested this product hands-on.
IN THE CONTEXT OF YOUR ANSWERS
A fit with trade-offs
HP's U.S. product and specification pages identify the M130fw as a monochrome print, copy, scan and fax device. It is rated up to 23 pages per minute and includes Wi-Fi, Ethernet and USB, a 35-sheet ADF and a 150-sheet input tray. HP recommends 150–1,500 pages monthly. The exact fw configuration uses manual duplex, so it can make two-sided pages only with user handling between passes. Its mix of wireless and wired connections suits a small office that values fax and document capture more than unattended duplex printing.
Black-and-white is enoughMust-have · Fits this answer
The documented output is monochrome, which fits a black-and-white workflow.
Fax is requiredMust-have · Fits this answer
The exact model documentation lists fax capability.
I would prefer automatic duplexPreference · A trade-off
Two-sided jobs require another approach on this model. HP specifies manual duplex for the exact M130fw.
Consider it for
A small office that needs a compact mono fax MFP with flexible network placement and can handle occasional manual duplex..
Look elsewhere if
Pick another model if automatic duplex is essential, if the shared queue needs a large paper supply, or if the expected monthly volume exceeds HP's recommendation.
The advantages and the compromises
Pros
HP lists print, copy, scan and fax with a 35-sheet ADF for the exact M130fw.
Built-in Wi-Fi and Ethernet provide different network placement options, with USB for direct use.
The 150–1,500 page monthly recommendation gives a defined small-office workload band.
Cons
Duplex printing is manual, so longer two-sided jobs require user attention.
The 150-sheet tray can need frequent refills when several people share the device.
The M130fw must not be confused with M130fn or other suffixes with different wireless features.
The key details
Model covered
M130fw (G3Q60A#BGJ)
Main functions
Monochrome print, copy, scan and fax
Print output
Up to 23 ppm; 35-sheet ADF and 150-sheet input
Two-sided printing
Manual duplex; Wi-Fi, Ethernet and USB; 150–1,500 pages/month recommended
Relevant to your monochrome output and fax function answer
Which work does the M130fw combine?
HP documents monochrome printing, copying, scanning and faxing in one compact MFP. A 35-sheet ADF helps with multipage originals, while the scanner and fax can support common small-office paperwork. Printed output is black-and-white, so a color-scanning or fax workflow does not make it a color printer. The exact model number G3Q60A#BGJ and fw suffix matter because sibling M130 configurations do not share every interface. Choose this machine for its specific set of tasks rather than the family name alone.
How do Wi-Fi and Ethernet change placement?
HP lists both built-in wireless and Ethernet, along with USB. Wi-Fi can help place the printer where a wired network drop is inconvenient; Ethernet gives a wired office another option, and USB serves a direct computer. These are distinct connection methods, not proof that every phone, cloud service or company security setup will work automatically. Confirm the intended print and scan route against the current driver and network environment. The combination is useful if a small office may change the printer's location.
What does the 150-sheet tray imply?
HP specifies 150 sheets of input, a modest supply that fits a compact device but may require frequent attention in a shared queue. The ADF capacity is a separate feature: it holds originals for scan or fax work, not fresh print paper. A single user can often plan around the tray by checking paper before a batch. For several users or recurring long jobs, a larger input supply may matter more than the headline speed or footprint.
Relevant to your automatic duplex preference answer
Is duplex output automatic?
The M130fw uses manual duplex printing. It can produce both sides, but a user must turn or reload the stack between sides rather than let the printer flip each sheet. That may be acceptable for occasional forms, but repeated reports add handling and attention. If automatic duplex is a required selection criterion, this model does not meet it. The ADF's document handling is separate; the cited pages do not establish that it automatically scans both sides of an original.
Does the workload range fit?
HP recommends 150–1,500 pages per month for the M130fw. Compare that range with the office's expected routine rather than using the maximum duty figure or printer speed as a substitute. The recommendation gives a small business a clearer fit test, but it does not promise that every job will run at 23 pages per minute. If normal volume is substantially above the stated range, consider a workgroup device designed around a higher recommendation and paper supply.
Relevant to your automatic duplex preference answer
How should you verify the exact M130fw?
HP's product page identifies M130fw and product number G3Q60A#BGJ. Check that suffix before relying on Wi-Fi, because the M130fn is a different wired configuration. The specification also says manual duplex, a fact easy to miss in a family listing. For any older or renewed unit, verify the label, feeder, scanner, fax connection and included power cable directly with the seller; the original product documentation cannot establish the condition or bundle of an individual offer.
How the alternatives change the decision
Choose a wired mono fax MFP with automatic duplex for heavier two-sided routines, or a larger workgroup model for a higher monthly range.
Before you decide
Does the M130fw include Wi-Fi?
Yes. HP lists wireless networking on the exact M130fw configuration, alongside Ethernet and USB.
Does it print both sides automatically?
No. HP specifies manual duplex, so the user must handle the pages between printing passes.
What monthly volume does HP recommend?
HP recommends 150–1,500 pages per month for the M130fw.
The decision for your answers
The M130fw fits small-office fax and scan work where Wi-Fi or Ethernet is useful and manual duplex is acceptable.
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Brother MFC-7840W Monochrome Laser All-in-OneRead the full review · Features, pros, cons and sourcesTHE FULL REVIEW · Some details to check
Brother MFC-7840W Monochrome Laser All-in-One: is it right for you?
Wireless mono fax MFP with a 35-sheet ADF.
Buyer Shortlists editorial·
Based on linked manufacturer documentation and editorial analysis. We have not tested this product hands-on.
IN THE CONTEXT OF YOUR ANSWERS
Some details to check
Brother's U.S. page identifies the MFC-7840W as a discontinued monochrome laser all-in-one with print, copy, scan and fax. The page rates output up to 23 pages per minute and lists a 35-sheet ADF, a 250-sheet tray and built-in wireless networking. The checked sources do not establish automatic duplex or Ethernet for this exact configuration. That leaves it as a useful wireless fax MFP candidate for a small office, but not a safe match for a required automatic-duplex workflow or a wired-network specification.
Black-and-white is enoughMust-have · Fits this answer
The documented output is monochrome, which fits a black-and-white workflow.
Fax is requiredMust-have · Fits this answer
The exact model documentation lists fax capability.
I would prefer automatic duplexPreference · Needs checking
Automatic duplex support is not confirmed for this exact model.
Consider it for
A small office needing wireless monochrome printing, fax and an ADF, with no hard requirement for automatic duplex or wired Ethernet..
Look elsewhere if
Look elsewhere if automatic duplex, Ethernet, a stated monthly workload, color printing or current product availability is required.
The advantages and the compromises
Pros
Brother lists print, copy, scan and fax in one monochrome device.
Built-in wireless allows placement without assuming an Ethernet connection.
The 35-sheet ADF and 250-sheet tray support everyday document handling.
Cons
Automatic duplex is not established for the exact MFC-7840W and should not be inferred from its W suffix.
Ethernet and a recommended monthly volume are not established in the reviewed page.
Brother marks the model discontinued; an individual unit's condition and supplies need separate checking.
The key details
Model covered
MFC-7840W
Main functions
Monochrome print, copy, scan and fax
Print output
Up to 23 ppm; 35-sheet ADF and 250-sheet tray
Two-sided printing
Built-in wireless; duplex and Ethernet details unknown
Relevant to your monochrome output and fax function answer
What does this wireless MFP do?
Brother identifies the MFC-7840W as a monochrome laser all-in-one that prints, copies, scans and faxes. This suits a small office where paperwork arrives by fax and users need to digitize pages without a separate scanner. Output remains black-and-white, so it is not the right answer for color documents. The 35-sheet ADF gives a straightforward way to load multiple originals, while the source does not establish advanced duplex scanning or cloud integration.
How does wireless placement help?
Brother lists built-in wireless networking on the exact MFC-7840W. This can help place the printer where a network cable is unavailable, while the model's MFP functions remain accessible within the intended wireless setup. The checked product page does not establish Ethernet, so do not assume that a W model also has a wired network port. Confirm supported security and driver needs for your office, especially when connecting an older device to a current network.
Relevant to your fax function answer
Will the ADF and tray fit the daily paper flow?
The product page lists a 35-sheet ADF and 250-sheet main tray. The ADF handles a stack of originals for fax or scan, while the tray holds print stock; one capacity does not replace the other. This is a moderate desktop arrangement for a small office rather than a high-capacity workgroup feeder. If several people share the machine or routinely process long stacks, compare a model with a larger ADF and a documented workload range.
Relevant to your automatic duplex preference answer
Is two-sided printing automatic?
Brother's checked page does not establish automatic duplex for the MFC-7840W. Do not infer page turning from the W suffix or from specifications for another MFC-7840 variant. The matching profile keeps both automatic and manual duplex unknown until exact documentation confirms them. If two-sided output is a hard requirement, choose a model whose exact configuration explicitly lists the feature. This precaution matters because paper handling changes daily effort and cannot be assumed from the all-in-one role.
What workload guidance is available?
The reviewed Brother page provides speed and tray information but does not establish a recommended monthly page range. Those specifications do not show how much printing Brother considers appropriate as a routine. Keep the monthly values unknown and use the machine's role, wireless connection and document feeder to judge whether it suits a light office. If workload planning is important, prefer an exact model with a published recommended range instead of converting the 23 ppm rating into a monthly estimate.
What should be checked for a discontinued unit?
Brother marks the MFC-7840W discontinued. That status does not establish the condition of any current offer, remaining supplies, seller return terms or driver support for a particular computer. Check the full MFC-7840W label, confirm wireless setup, and inspect the ADF and scanner path. Do not substitute a nearby MFC-7840 configuration with different suffixes or interfaces. The exact model identity is especially important when a used listing uses a shortened product-family name.
How the alternatives change the decision
Choose the MFC-7365DN for confirmed automatic duplex and Ethernet, or the HP M130fw when a published monthly range is important.
Before you decide
Does the MFC-7840W include fax?
Yes. Brother lists fax alongside print, copy and scan on the exact MFC-7840W page.
Can it connect over Wi-Fi?
Yes. Brother identifies built-in wireless networking for the MFC-7840W.
Does this model have automatic duplex or Ethernet?
The checked exact-model page does not establish either feature, so verify before treating them as requirements met.
The decision for your answers
The MFC-7840W suits wireless mono fax and scanning when duplex, Ethernet and workload details are not hard requirements.
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