Choose M1536dnf if you need:
- Higher Power Consumption Sleep: 4.7 W vs 3.3 W
- Fax
- Higher Fax Modem Speed: 33.6 kbps
- Fax Resolution: 300 x 300 dpi
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Side-by-side specification comparison of two reference models
Compare HP M1536dnf & M631dn
A full side-by-side comparison of reference models M1536dnf and M631dn within the same category.
Specifications
Side-by-side specification comparison of two reference models
| Specification | M1536dnf | M631dn |
|---|---|---|
| Price | Not for sale | Not for sale |
| Connectivity | ||
| USB | Yes | Yes |
| Ethernet | Yes | Yes |
| Mobile Printing | Apple AirPrint; HP ePrint | HP ePrint, HP Smart/All-in-One Remote, Apple AirPrint, Android printing, Mopria |
| Apple AirPrint | Yes | Yes |
| Mopria | — | Yes |
| Security Features | Embedded Web Server; fax PIN access control | Secure Boot, firmware integrity checking, allowlisting, IPsec, SNMPv3, IEEE 802.1X, Kerberos |
| Dimensions & Weight | ||
| Width | 441 mm | 512 mm |
| Depth | 343 mm | 558 mm |
| Height | 373 mm | 640 mm |
| Weight | 11.7 kg | 32.4 kg |
| Power & Warranty | ||
| Input Voltage | 110-127 / 220-240 V | 100-127 V / 220-240 V, 50/60 Hz (regional variants) V |
| Power Consumption Printing | 445 W | 740 W |
| Power Consumption Sleep | 4.7 W | 3.3 W |
| Warranty | One-year limited warranty | 1-year next-business-day onsite limited warranty (US configuration) |
| Fax | ||
| Fax | Yes | — |
| Fax Modem Speed | 33.6 kbps | — |
| Fax Resolution | 300 x 300 dpi | — |
| Fax Memory | 400 pages | — |
| General | ||
| Product Brand | HP | HP |
| Product Model | LaserJet M1536dnf MFP | LaserJet Enterprise MFP M631dn |
| Product Series | LaserJet Pro M1530 | HP LaserJet Enterprise MFP M631 Series |
| Product Type | Monochrome laser multifunction printer | Monochrome Laser Multifunction Printer |
| Printer Functions | Print; Scan; Copy; Fax | Print, copy, scan |
| Print Technology | Laser | Laser |
| Consumables | ||
| Black Toner Model | CE278A (78A) | HP 37A (CF237A); HP 37X (CF237X); HP 37Y (CF237Y) |
| Included Black Toner Yield | — | 11000 pages |
| Replacement Black Toner Yield | 2100 pages | 41000 pages |
| Paper & Printing | ||
| Maximum Paper Size | Legal | Legal |
| Supported Paper Sizes | A4; A5; A6; B5 (JIS); C5; DL; Executive; Legal; Letter | A4, A5, A6, B5 (JIS), Letter, Legal, Executive, Statement, Oficio, envelopes, custom sizes |
| Minimum Custom Media Width | 76 mm | 76.2 mm |
| Maximum Custom Media Width | 216 mm | 215.9 mm |
| Minimum Custom Media Length | 127 mm | 127 mm |
| Maximum Custom Media Length | 356 mm | 355.6 mm |
| Supported Media Types | Envelopes; Heavy paper; Labels; Letterhead; Light paper; Plain paper; Postcards; Preprinted paper; Prepunched paper; Recycled paper; Rough paper; Transparencies | Plain, light, bond, recycled, heavy, labels, card stock, transparencies, envelopes |
| Minimum Media Weight | 60 g/m² | 60 g/m² |
| Maximum Media Weight | 163 g/m² | 200 g/m² |
| Standard Input Capacity | 260 sheets | 650 sheets |
| Maximum Input Capacity | 260 sheets | — |
| Multipurpose Tray Capacity | — | 100 sheets |
| Output Capacity | 100 sheets | 500 sheets |
| Automatic Duplex Printing | Yes | Yes |
| Scanning | ||
| Scanner Type | Flatbed; ADF | Flatbed scanner with 150-sheet automatic document feeder |
| Optical Scan Resolution | 1200 dpi | 600 x 600 dpi |
| Black Scan Speed | 15 ipm | 75 ipm |
| Color Scan Speed | — | 75 ipm |
| Duplex Scanning | — | Yes |
| ADF Capacity | 35 sheets | 150 sheets |
| Print Performance | ||
| Black Print Speed A4 | 25 ppm | 52 ppm |
| First Page Out Black | 8.5 s | 5.4 s |
| Print Resolution | 600 x 600 dpi | 1200 x 1200 dpi |
| Monthly Duty Cycle | 8000 pages/month | 300000 pages/month |
| Recommended Monthly Volume | 500-2000 pages/month | 5,000-30,000 pages/month |
| Processor Speed | 500 MHz | 1200 MHz |
| Standard Memory | 128 MB | 1792 MB |
| Maximum Memory | 128 MB | 2560 MB |
| Internal Storage | — | 16 GB |
| Print Languages | PCL 5; PCL 6; PostScript | HP PCL 6, HP PCL 5, HP PostScript 3 emulation, native PDF, Apple AirPrint |
| Copying | ||
| Black Copy Speed | 25 cpm | 52 cpm |
| Copy Resolution | 600 x 600 dpi | 600 x 600 dpi |
| Maximum Copies | 99 copies | 9999 copies |
| Copy Zoom Range | 25-400 % | 25-400% |
Summary: Which Product Should You Choose?
Choose M631dn if you need:
- Mopria
- Higher Width: 512 mm vs 441 mm
- Higher Depth: 558 mm vs 343 mm
- Higher Height: 640 mm vs 373 mm
What is the difference between M1536dnf and M631dn?
M1536dnf and M631dn share specifications such as Print Technology (Laser), Automatic Duplex Printing (Yes), USB (Yes), Ethernet (Yes).
The main differences: Printer Functions (M1536dnf: Print; Scan; Copy; Fax, M631dn: Print, copy, scan); Black Print Speed A4 (M1536dnf: 25 ppm, M631dn: 52 ppm); Print Resolution (M1536dnf: 600 x 600 dpi, M631dn: 1200 x 1200 dpi).
M1536dnf may suit users who need its differing values, while M631dn benefits those who need its paired strengths. Review the specs table above before deciding.