HP 6840
tbdCOR ScoreAvailable after 3 critic reviews
Printers
HP Color LaserJet Pro MFP M281fdn reviews
Product specifications and review coverage for this exact model.
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Product overview
HP T6B81A is listed in the laser printers category. The recorded specifications include print technology: Laser; colour printing: Yes; duplex printing: Yes; wi-fi: No. This entry covers manufacturer code T6B81A. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
Expert reviews
No scored critic reviews have been imported for this exact product yet. It remains unrated.
The COR Score gives each publisher one rating. Scores are converted to the same five-point scale.
Specifications
Manufacturer code: T6B81A. Icecat product 37805989 · Checked 16 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Print technology | Laser |
|---|---|
| Colour printing | Yes |
| Maximum resolution | 600 x 600 DPI |
| Duplex printing | Yes |
| Black print speed (normal A4/Letter) | 21 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.
Audio & listening2 details
| Acoustic pressure emissions bystander (ready) | 16 dB |
|---|---|
| Acoustic power emissions (ready) | 26 dB |
Display3 details
| Built-in display | Yes |
|---|---|
| Colour display | Yes |
| Screen size | 6.86 cm (2.7") |
Processor, memory & storage5 details
| Memory (RAM) | 256 MB |
|---|---|
| Maximum internal memory | 256 MB |
| Built-in processor | Yes |
| Processor frequency | 800 MHz |
| Storage temperature (T-T) | -20 - 40 °C |
Printing, scanning & paper43 details
| Duplex printing mode | Auto |
|---|---|
| Print resolution colour | 600 x 600 DPI |
| Print resolution black | 600 x 600 DPI |
| Print speed (colour, normal quality, A4/US Letter) | 21 ppm |
| Duplex print speed (black, normal quality, A4/US Letter) | 12 ppm |
| Duplex print speed (colour, normal quality, A4/US Letter) | 12 ppm |
| Secure printing | Yes |
| Printing colours | Black, Cyan, Magenta, Yellow |
| Number of print cartridges | 4 |
| Printer fonts | Scalable, TrueType |
| Total number of input trays | 2 |
| Total output capacity | 100 sheets |
| Paper tray 1 input capacity | 1 sheets |
| Paper tray 2 input capacity | 20 sheets |
| Auto document feeder (ADF) input capacity | 50 sheets |
| Maximum number of input trays | 2 |
| Maximum output capacity | 100 sheets |
| Maximum print size | 216 x 356 mm |
| Paper tray media types | Plain paper, Glossy paper, Bond paper, Photo paper, Recycled paper, Envelopes, Card stock, Labels, Transparencies, Heavy paper, Lightweight paper, Rough paper, Letterhead |
| Non-ISO print media sizes | Executive, Legal, Letter, Oficio, 16K |
| Photo paper sizes | 10x15 cm |
| Photo paper sizes (imperial) | 4x6,5x8" |
| Paper tray media weight | 60 - 220 g/m² |
| Mobile printing technologies | Mopria Print Service, HP ePrint, Apple AirPrint |
| Sound pressure level (printing) | 50 dB |
| Sound pressure level (duplex printing) | 50 dB |
| Sound power level (printing) | 6.4 dB |
| Power consumption (printing) | 342 W |
| Cartridge(s) included | Yes |
| HP ePrint | Yes |
| Optical scanning resolution | 1200 x 1200 DPI |
| Custom media sizes | 76 x 127 to 216 x 356 mm |
| Copy speed (black, normal quality, A4) | 21 cpm |
| Copy speed (colour, normal quality, A4) | 21 cpm |
| Maximum scan area | 215.9 x 297 mm |
| Time to first copy (black, normal) | 11.3 s |
| Fax broadcasting | 119 locations |
| Fax delayed sending | Yes |
| Fax forwarding | Yes |
| Time to first copy (colour, normal) | 14 s |
| Maximum scan resolution | 1200 x 1200 DPI |
| Printing | Colour printing |
| Fax memory | 1300 pages |
Connections & wireless3 details
| Standard interfaces | USB 2.0 |
|---|---|
| USB port | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
Power & battery7 details
| Power consumption (ready) | 8 W |
|---|---|
| Power consumption (PowerSave) | 0.1 W |
| Power consumption (off) | 0.1 W |
| Energy Star Typical Electricity Consumption (TEC) | 0.759 kWh/week |
| AC input voltage | 110 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | Internal (Built-in) power supply |
Controls & features3 details
| Control type | Buttons, Touch |
|---|---|
| Operating temperature (T-T) | 15 - 30 °C |
| Recommended operating temperature range (T-T) | 17 - 25 °C |
Design & dimensions9 details
| Colour | Yes |
|---|---|
| Time to first page (colour, normal) | 12 s |
| Custom media width | 76 - 216 mm |
| Product colour | White |
| Sustainable technologies and materials | Mercury Free |
| Width | 420 mm |
| Depth | 421.7 mm |
| Height | 334.1 mm |
| Weight | 18.7 kg |
Software & compatibility9 details
| Certification | CISPR 22:2008 & CISPR 32: 2012 /EN 55032:2012 - Class B; EN 61000-3-2:2014; EN 61000-3-3:2013; EN 55024:2010; FCC Title 47 CFR, Part 15 Class B/ICES-003, Issue 6 |
|---|---|
| Windows operating systems supported | Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11 |
| Mac operating systems supported | Mac OS X 10.12 Sierra, MacOS |
| Other operating systems supported | Linux |
| Sustainability compliance | Yes |
| Bundled software | For Windows OS: HP Software Installer, HP Software Uninstaller, HP PCL6 Printer Driver, HP Device Experience (DXP), HP Web Services Assist (HP Connected), Device Setup & Software, HP Printer Assistant, HP Product Improvement Study, Online user manuals, HP Scan Driver, HP Scan Application, HP Fax Driver, HP Fax Application. For Mac OS: Welcome Screen, (Directs users to HP.com or OS App Source for LaserJet Software) |
| HP Software provided | HP Software Installer, HP Software Uninstaller, HP Device Experience, HP Web Services Assist, HP Product Improvement Study, HP Scan Application, HP Fax Application |
| Electromagnetic compatibility | CISPR 22:2008 & CISPR 32: 2012 /EN 55032:2012 - Class B; EN 61000-3-2:2014; EN 61000-3-3:2013; EN 55024:2010; FCC Title 47 CFR, Part 15 Class B/ICES-003, Issue 6 |
| Compatible operating systems | Windows 11; Windows 10; Windows 8.1; Windows 8; Windows 7; Windows Vista; Linux; macOS 10.12 Sierra; UNIX; Windows Server |
Further product details37 details
| Time to first page (black, normal) | 10.6 s |
|---|---|
| Maximum duty cycle | 40000 pages per month |
| Recommended duty cycle | 150 - 2500 pages per month |
| Page description languages | PostScript 3, PDF, PCLm, URF, PCL 5c, PCL 6 |
| HP segment | Home office |
| Total input capacity | 250 sheets |
| Maximum input capacity | 250 sheets |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5 |
| ISO C-series sizes (C0...C9) | C5 |
| JIS B-series sizes (B0...B9) | B5, B6 |
| Envelopes sizes | 10, B5, C5, DL, Monarch |
| Custom media length | 127 - 356 mm |
| Cabling technology | 10/100/1000Base-T(X) |
| Security algorithms | SNMPv3, SSL/TLS, SNMP, HTTPS |
| Market positioning | Home & office |
| Operating relative humidity (H-H) | 10 - 80% |
| Sustainability certificates | ENERGY STAR |
| Doesn't contain | Mercury |
| Documentation CD | Yes |
| Quick installation guide | Yes |
| HP Auto-On/Auto-Off | Yes |
| HP Dynamic security | Yes |
| HP Security tools | Embedded Web Server: password-protection, secure browsing via SSL/TLS; Network: enable/disable network ports and features, SNMPv1 community password change; HP ePrint: HTTPS with certificate validation, HTTP Basic Access Authentication; Firewall and ACL; SNMPv3 |
| HP Management tools | HP Printer Assistant, HP Utility, HP Device Toolbox, HP JetAdvantage Security Manager |
| All-In-One-multitasking | Yes |
| Recommended system requirements | Windows 10; 8.1; 8; 7; 32-bit or 64-bit; 2 GB available hard disk space; CD-ROM/DVD drive or Internet connection; USB port; Internet Explorer; Windows Vista; (32-bit only); 2 GB available hard disk space; CD-ROM/DVD drive or Internet connection; USB port; Internet Explorer 8; Windows XP SP3 or higher (32-bit only); any Intel Pentium II; Celeron or 233 MHz compatible processor; 850 MB available hard disk space; CD-ROM/DVD drive or Internet connection; USB port; Internet Explorer 8; Windows Server |
| Recommended humidity operating range | 30 - 70% |
| Envelope feeder | No |
| Copier resize | 25 - 400% |
| Greyscale levels | 256 |
| Maximum number of copies | 99 copies |
| Modem speed | 33.6 Kbit/s |
| Auto-redialing | Yes |
| Typical electricity consumption (TEC) number | ES: 0.759 kWh/Week; BA: 0.669 kWh/Week |
| UNSPSC-code | 43212110 |
| Box contents | HP Color LaserJet Pro MFP M281fdnT6B81A); Introductory HP LaserJet Color cartridges (~700 color composite (C/Y/M) yield and ~1400 page yield black); Installation guide; Printer documentation and software on CD-ROM; Power cord; USB cable( AP only) |
Packaging & supplied accessories9 details
| Country of origin | China, Vietnam |
|---|---|
| Pallet dimensions (W x D x H) | 1200 x 1000 x 2278 mm |
| Package width | 498 mm |
| Package depth | 398 mm |
| Package height | 532 mm |
| Package weight | 21.5 kg |
| Cables included | AC |
| Harmonized System (HS) code | 8443310000 |
| Pallet gross weight | 538.7 kg |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
