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HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing reviews
Brand: HP More HP printers reviews →
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Compare HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer codeA8P79A
The product, explained
About the HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing
HP A8P79A is listed in the multifunction printers category. The recorded specifications include print technology: Laser; colour printing: No; duplex printing: Yes; wi-fi: No. This entry covers manufacturer code A8P79A. Specifications relate to this exact source record; other editions or packages may differ.
The listed print technology is Laser. Compare replacement consumable prices and expected page volumes alongside the purchase price. Features such as duplex printing or a scanner should be confirmed independently in the specification table.
- Print technology
- Laser
- Colour printing
- No
- Maximum resolution
- 1200 x 1200 DPI
- Duplex printing
- Yes
- Black print speed (normal A4/Letter)
- 40 ppm
- Largest ISO paper size
- A4
Make it work for you
Before choosing the HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing
Price exact consumables
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Separate duplex functions
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Measure operating footprint
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Independent perspectives
Expert reviews 1
Independent ratings, converted to the same five-point scale. Each card links to the original review and identifies the available evidence.
PCMag
4.00 / 5Original rating: 4 / 5
Reviewed model: HP M521dn. Colour and included accessories may differ from this listing.
Read the full review ↗Checked 18 Oct 2026
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8/ 104.00/ 5
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Know exactly what you’re buying
HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing specifications
Manufacturer code: A8P79A · Icecat product 17500943 · Checked 20 Sep 2026. Specifications belong to this exact model.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Print technology | Laser |
|---|---|
| Colour printing | No |
| Maximum resolution | 1200 x 1200 DPI |
| Duplex printing | Yes |
| Black print speed (normal A4/Letter) | 40 ppm |
| Largest ISO paper size | A4 |
| Wi-Fi | No |
| Ethernet LAN | Yes |
More product specifications
Open a section for the details that matter to you.
Display4 details
| Built-in display | Yes |
|---|---|
| Display | LCD |
| Screen size | 8.89 cm (3.5") |
| Touchscreen | Yes |
Processor, memory & storage4 details
| Maximum internal memory | 256 MB |
|---|---|
| Memory slots | 1 |
| Memory (RAM) | 256 MB |
| Processor frequency | 800 MHz |
Printing, scanning & paper21 details
| Printing | Mono printing |
|---|---|
| Maximum copy resolution | 600 x 600 DPI |
| Copy speed (black, normal quality, A4) | 40 cpm |
| Optical scanning resolution | 300 x 300 DPI |
| Maximum scan resolution | 1200 x 2400 DPI |
| Maximum scan area | 216 x 356 mm |
| Scanner type | Flatbed & ADF scanner |
| Scan to | E-mail, Fax, File, Image |
| Scan speed (colour) | 14 ppm |
| Scan speed (black) | 19 ppm |
| Fax resolution (black) | 300 x 300 DPI |
| Fax memory | 250 pages |
| Fax speed dialing (max numbers) | 100 |
| Fax broadcasting | 100 locations |
| Number of print cartridges | 1 |
| Printing colours | Black |
| Auto document feeder (ADF) | Yes |
| Auto document feeder (ADF) input capacity | 50 sheets |
| Maximum output capacity | 250 sheets |
| Maximum print size | 210 x 297 mm |
| Paper tray media types | Card stock, Envelopes, Labels, Plain paper, Transparencies |
Connections & wireless4 details
| Standard interfaces | Ethernet, USB 2.0 |
|---|---|
| USB port | Yes |
| USB 2.0 ports quantity | 1 |
| Optional connectivity | Wireless LAN |
Power & battery6 details
| Power consumption (average operating) | 760 W |
|---|---|
| Power consumption (PowerSave) | 18.2 W |
| Power consumption (standby) | 4.3 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 220 - 240 V |
| AC input frequency | 50 - 60 Hz |
Controls & features2 details
| Control type | Touch |
|---|---|
| Operating temperature (T-T) | 10 - 32 °C |
Design & dimensions7 details
| Product colour | Black, Grey |
|---|---|
| Sustainable technologies and materials | Mercury free |
| Width | 465 mm |
| Depth | 465 mm |
| Height | 508 mm |
| Weight | 22.3 kg |
| Colour all-in-one functions | Scan |
Software & compatibility4 details
| Windows operating systems supported | Yes |
|---|---|
| Mac operating systems supported | Yes |
| Linux operating systems supported | Yes |
| Server operating systems supported | Windows Server 2008, Windows Server 2012 |
Further product details18 details
| Time to first page (black, normal) | 8 s |
|---|---|
| Maximum number of copies | 99 copies |
| Copier resize | 25 - 400% |
| Modem speed | 33.6 Kbit/s |
| Recommended duty cycle | 2000 - 6000 pages per month |
| Maximum duty cycle | 75000 pages per month |
| Page description languages | PCL 5e, PCL 6, PostScript 3 |
| HP segment | Small medium business |
| Total input capacity | 500 sheets |
| Multi-Purpose tray | Yes |
| Multi-Purpose tray input capacity | 100 sheets |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5, B6 |
| Envelopes sizes | B5, C5, C6 |
| Market positioning | Business |
| Operating relative humidity (H-H) | 30 - 70% |
| Sustainability certificates | EPEAT Silver, ENERGY STAR |
| All-in-one functions | Copy, Fax, Print, Scan |
Packaging & supplied accessories5 details
| Package width | 585 mm |
|---|---|
| Package depth | 594 mm |
| Package height | 733 mm |
| Package weight | 29.6 kg |
| Master (outer) cases per pallet layer | 2 pc(s) |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
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Your questions, answered
HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing FAQs
How many expert reviews are available for HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing?
This page currently includes 1 scored critic review. Each publisher counts once. Follow the review cards for the original verdict and the version that was tested.
What is the COR Score for HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing?
The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.
Which exact version does this page cover?
This page identifies HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing using manufacturer code A8P79A. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.
What is the listed print technology for HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing?
The source specification records print technology as Laser. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
What is the listed colour printing for HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing?
The source specification records colour printing as No. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
Where can I compare prices for HP LaserJet Pro MFP M521dn, Print, copy, scan, fax, Two-sided printing; 50-sheet ADF; Front-facing USB printing?
Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.
Are cartridge yields guaranteed?
No. They are standardised comparison figures; actual yield depends on coverage, jobs and maintenance.
Is Wi-Fi printing less secure?
It can be safe when the printer and network are kept updated and secured. Use manufacturer setup guidance and protect the network.
Does a scanner mean it has an automatic document feeder?
No. Check the specification for both features.
How should I use the specifications alongside reviews?
Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.
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Printer buying guides
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