HP 6840
tbdCOR ScoreAvailable after 3 critic reviews
Printers
HP SL-M3870FW reviews
Product specifications and review coverage for this exact model.
Image supplied through Icecat
Product overview
HP SS378D is listed in the multifunction printers category. The recorded specifications include print technology: Laser; colour printing: No; duplex printing: Yes; wi-fi: Yes. This entry covers manufacturer code SS378D. 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: SS378D. Icecat product 40023769 · Checked 17 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 | No |
| Maximum resolution | 1200 x 1200 DPI |
| Duplex printing | Yes |
| Black print speed (normal A4/Letter) | 38 ppm |
| Largest ISO paper size | A4 |
| Scanning | Colour scanning |
| Copying | Mono copying |
| Wi-Fi | Yes |
| Ethernet LAN | Yes |
More product specifications
Open a section for the details that matter to you.
Display4 details
| Built-in display | Yes |
|---|---|
| Display | LCD |
| Display number of lines | 4 lines |
| Colour display | No |
Processor, memory & storage6 details
| Maximum internal memory | 512 MB |
|---|---|
| Memory (RAM) | 256 MB |
| Built-in processor | Yes |
| Processor frequency | 600 MHz |
| Storage temperature (T-T) | -20 - 40 °C |
| Storage relative humidity (H-H) | 10 - 90% |
Printing, scanning & paper34 details
| Duplex printing mode | Auto |
|---|---|
| Printing | Mono printing |
| Maximum copy resolution | 600 x 600 DPI |
| Copy speed (black, normal quality, A4) | 38 cpm |
| Optical scanning resolution | 1200 x 1200 DPI |
| Maximum scan resolution | 4800 x 4800 DPI |
| Maximum scan area | 216 x 356 mm |
| Scanner type | Flatbed & ADF scanner |
| Scan technology | CIS |
| Scan to | E-mail, FTP, USB |
| Scan speed (colour) | 24 ppm |
| Scan drivers | TWAIN, WIA |
| Faxing | Mono faxing |
| Fax transmission speed | 3 sec/page |
| Number of print cartridges | 1 |
| Printing colours | Black |
| Total number of input trays | 2 |
| Total output capacity | 150 sheets |
| Paper input type | Paper tray |
| Maximum number of input trays | 3 |
| Maximum output capacity | 150 sheets |
| Maximum print size | 216 x 356 mm |
| Paper tray media types | Bond paper, Card stock, Envelopes, Labels, Plain paper, Recycled paper, Thick paper, Thin paper |
| Non-ISO print media sizes | Folio, Legal, Letter, Oficio |
| Paper tray media weight | 60 - 163 g/m² |
| Paper tray media weight (imperial) | 7.26 - 19.5 kg (16 - 43 lbs) |
| Auto Document Feeder (ADF) media weight | 48 - 105 g/m² |
| Auto Document Feeder (ADF) media weight (imperial) | 5.67 - 12.7 kg (12.5 - 28 lbs) |
| Direct printing | Yes |
| Mobile printing technologies | Apple AirPrint, Google Cloud Print |
| Sound pressure level (printing) | 57 dB |
| Sound pressure level (copying) | 58 dB |
| Power consumption (printing) | 700 W |
| Cartridge(s) included | Yes |
Connections & wireless4 details
| Standard interfaces | Ethernet, USB 2.0, Wireless LAN |
|---|---|
| USB port | Yes |
| Ethernet LAN data rates | 10,100 Mbit/s |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
Power & battery5 details
| Power consumption (standby) | 10 W |
|---|---|
| Power consumption (sleep) | 2.8 W |
| Energy Star Typical Electricity Consumption (TEC) | 2.1 kWh/week |
| AC input voltage | 110 - 240 V |
| AC input frequency | 50 - 60 Hz |
Controls & features1 detail
| Operating temperature (T-T) | 10 - 30 °C |
|---|
Design & dimensions5 details
| Product colour | Brown, White |
|---|---|
| Width | 469 mm |
| Depth | 479.5 mm |
| Height | 628.7 mm |
| Weight | 17.1 kg |
Software & compatibility4 details
| Windows operating systems supported | Yes |
|---|---|
| Mac operating systems supported | Yes |
| Linux operating systems supported | Yes |
| Software CD | Yes |
Further product details24 details
| Time to first page (black, normal) | 6.5 s |
|---|---|
| Maximum number of copies | 999 copies |
| Copier resize | 25 - 400% |
| Greyscale levels | 256 |
| TWAIN version | 1.9 |
| Modem speed | 33.6 Kbit/s |
| Recommended duty cycle | 1500 - 3500 pages per month |
| Maximum duty cycle | 80000 pages per month |
| Digital sender | Yes |
| Page description languages | PCL 5, PCL 6, PDF 1.7, PS3, SPL |
| All-In-One-multitasking | Yes |
| HP segment | Small medium business |
| Total input capacity | 300 sheets |
| Maximum input capacity | 820 sheets |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5 |
| JIS B-series sizes (B0...B9) | B5 |
| Envelopes sizes | C5, C6, DL |
| Cabling technology | 10/100Base-T(X) |
| Market positioning | Business |
| Operating relative humidity (H-H) | 10 - 80% |
| Sustainability certificates | Blue Angel, ENERGY STAR |
| Power cord included | Yes |
| Quick installation guide | Yes |
Packaging & supplied accessories5 details
| Package width | 589 mm |
|---|---|
| Package depth | 542 mm |
| Package height | 626 mm |
| Package weight | 20.5 kg |
| Warranty card | Yes |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
