Choose M4555 if you need:
- Higher Width: 790 mm vs 512 mm
- Higher Weight: 52.3 kg vs 32.4 kg
- Higher Power Consumption Printing: 1024 W vs 740 W
- Higher Fax Modem Speed: Not Applicable kbps
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Side-by-side specification comparison of two reference models
Compare HP M4555 & M631h
A full side-by-side comparison of reference models M4555 and M631h within the same category.
Specifications
Side-by-side specification comparison of two reference models
| Specification | M4555 | M631h |
|---|---|---|
| Price | Not for sale | Not for sale |
| Connectivity | ||
| USB | Yes | Yes |
| Ethernet | Yes | Yes |
| Mobile Printing | HP ePrint | HP ePrint, HP Smart/All-in-One Remote, Apple AirPrint, Android printing, Mopria |
| Apple AirPrint | — | Yes |
| Mopria | — | Yes |
| Security Features | Encrypted secure storage functions, secure erase, authentication, IPsec | Secure Boot, firmware integrity checking, allowlisting, IPsec, SNMPv3, IEEE 802.1X, Kerberos |
| Dimensions & Weight | ||
| Width | 790 mm | 512 mm |
| Depth | 510 mm | 558 mm |
| Height | 570 mm | 640 mm |
| Weight | 52.3 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 | 1024 W | 740 W |
| Power Consumption Sleep | Blocked W | 3.3 W |
| Warranty | One-year onsite warranty | 1-year next-business-day onsite limited warranty (US configuration) |
| Fax | ||
| Fax Modem Speed | Not Applicable kbps | — |
| Fax Resolution | Not Applicable dpi | — |
| Fax Memory | Not Applicable pages | — |
| General | ||
| Product Brand | HP | HP |
| Product Model | LaserJet M4555 MFP | LaserJet Enterprise MFP M631h |
| Product Series | HP LaserJet Enterprise M4555 MFP | HP LaserJet Enterprise MFP M631 Series |
| Product Type | Monochrome Laser Multifunction Printer | Monochrome Laser Multifunction Printer |
| Printer Functions | Print, Scan, Copy | Print, copy, scan |
| Print Technology | Laser | Laser |
| Consumables | ||
| Black Toner Model | HP 90A (CE390A); HP 90X (CE390X) | HP 37A (CF237A); HP 37X (CF237X); HP 37Y (CF237Y) |
| Included Black Toner Yield | 10000 pages | 11000 pages |
| Replacement Black Toner Yield | 24000 pages | 41000 pages |
| Drum Model | Not Applicable | — |
| Drum Yield | Not Applicable pages | — |
| Fuser Life | Blocked pages | — |
| Paper & Printing | ||
| Maximum Paper Size | A4 | Legal |
| Supported Paper Sizes | A4, A5, A6, B5, C5, C6, DL, custom | 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 | Paper, envelopes, labels, transparencies, cardstock | Plain, light, bond, recycled, heavy, labels, card stock, transparencies, envelopes |
| Minimum Media Weight | 60 g/m² | 60 g/m² |
| Maximum Media Weight | 200 g/m² | 200 g/m² |
| Standard Input Capacity | 600 sheets | 650 sheets |
| Maximum Input Capacity | 2100 sheets | — |
| Multipurpose Tray Capacity | 100 sheets | 100 sheets |
| Output Capacity | 500 sheets | 500 sheets |
| Automatic Duplex Printing | Yes | Yes |
| Scanning | ||
| Scanner Type | Flatbed with ADF | Flatbed scanner with 150-sheet automatic document feeder |
| Optical Scan Resolution | 600 x 600 dpi | 600 x 600 dpi |
| Black Scan Speed | 57 ipm | 75 ipm |
| Color Scan Speed | 42 ipm | 75 ipm |
| Duplex Scanning | Yes | Yes |
| ADF Capacity | 50 sheets | 150 sheets |
| Print Performance | ||
| Black Print Speed A4 | 52 ppm | 52 ppm |
| Black Duplex Print Speed | Blocked ipm | — |
| First Page Out Black | 9.5 s | 5.4 s |
| Print Resolution | 1200 x 1200 dpi | 1200 x 1200 dpi |
| Monthly Duty Cycle | 250000 pages/month | 300000 pages/month |
| Recommended Monthly Volume | 5000-20000 pages/month | 5,000-30,000 pages/month |
| Warm-up Time | Blocked s | — |
| Processor Speed | 800 MHz | 1200 MHz |
| Standard Memory | 1280 MB | 1792 MB |
| Maximum Memory | 1280 MB | 2560 MB |
| Internal Storage | Blocked GB | 320 GB |
| Print Languages | HP PCL 6, HP PCL 5c, PostScript 3 emulation, PDF 1.4 | HP PCL 6, HP PCL 5, HP PostScript 3 emulation, native PDF, Apple AirPrint |
| Copying | ||
| Black Copy Speed | 52 cpm | 52 cpm |
| Copy Resolution | 600 x 600 dpi | 600 x 600 dpi |
| Maximum Copies | 9999 copies | 9999 copies |
| Copy Zoom Range | 25-400 % | 25-400% |
Summary: Which Product Should You Choose?
Choose M631h if you need:
- Apple AirPrint
- Mopria
- Higher Depth: 558 mm vs 510 mm
- Higher Height: 640 mm vs 570 mm
What is the difference between M4555 and M631h?
M4555 and M631h share specifications such as Print Technology (Laser), Black Print Speed A4 (52 ppm), Print Resolution (1200 x 1200 dpi), Automatic Duplex Printing (Yes).
The main differences: Printer Functions (M4555: Print, Scan, Copy, M631h: Print, copy, scan).
M4555 may suit users who need its differing values, while M631h benefits those who need its paired strengths. Review the specs table above before deciding.