Choose MFC-4350 if you need:
- Higher Power Consumption Sleep: 8 W vs 3.3 W
- Drum Model: DR-200
- Higher Maximum Input Capacity: 200 sheets
- Higher Multipurpose Tray Capacity: 200 sheets vs 100 sheets
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Side-by-side specification comparison of two reference models
Compare Brother MFC-4350 & HP M631z
A full side-by-side comparison of reference models MFC-4350 and M631z within the same category.
Specifications
Side-by-side specification comparison of two reference models
| Specification | MFC-4350 | M631z |
|---|---|---|
| Price | Not for sale | Not for sale |
| Connectivity | ||
| USB | — | Yes |
| Ethernet | — | Yes |
| Wi-Fi Direct | — | Yes |
| Mobile Printing | — | HP ePrint, HP Smart/All-in-One Remote, Apple AirPrint, Android printing, Mopria |
| Apple AirPrint | — | Yes |
| Mopria | — | Yes |
| Security Features | — | Secure Boot, firmware integrity checking, allowlisting, IPsec, SNMPv3, IEEE 802.1X, Kerberos |
| Dimensions & Weight | ||
| Width | 456 mm | 661 mm |
| Depth | 334 mm | 658 mm |
| Height | 250 mm | 1234 mm |
| Weight | 8.5 kg | 65.1 kg |
| Power & Warranty | ||
| Input Voltage | 120 V | 100-127 V / 220-240 V, 50/60 Hz (regional variants) V |
| Power Consumption Printing | 160 W | 740 W |
| Power Consumption Sleep | 8 W | 3.3 W |
| Warranty | — | 1-year next-business-day onsite limited warranty (US configuration) |
| Fax | ||
| Fax | Yes | Yes |
| Fax Modem Speed | 14.4 kbps | 33.6 kbps |
| Fax Resolution | 203 x 391 dpi | 300 x 300 dpi |
| General | ||
| Product Brand | Brother | HP |
| Product Model | MFC-4350 | LaserJet Enterprise MFP M631z |
| Product Series | — | HP LaserJet Enterprise MFP M631 Series |
| Product Type | Monochrome Laser Multifunction Printer | Monochrome Laser Multifunction Printer |
| Printer Functions | Print, Copy, Fax | Print, copy, scan, fax |
| Print Technology | Laser | Laser |
| Consumables | ||
| Black Toner Model | TN-200 | HP 37A (CF237A); HP 37X (CF237X); HP 37Y (CF237Y) |
| Included Black Toner Yield | 1000 pages | 11000 pages |
| Replacement Black Toner Yield | 2200 pages | 41000 pages |
| Drum Model | DR-200 | — |
| Paper & Printing | ||
| Maximum Paper Size | Legal | Legal |
| Supported Paper Sizes | A4, Legal, Letter | A4, A5, A6, B5 (JIS), Letter, Legal, Executive, Statement, Oficio, envelopes, custom sizes |
| Minimum Custom Media Width | — | 76.2 mm |
| Maximum Custom Media Width | — | 215.9 mm |
| Minimum Custom Media Length | — | 127 mm |
| Maximum Custom Media Length | — | 355.6 mm |
| Supported Media Types | — | Plain, light, bond, recycled, heavy, labels, card stock, transparencies, envelopes |
| Minimum Media Weight | — | 60 g/m² |
| Maximum Media Weight | — | 200 g/m² |
| Standard Input Capacity | 200 sheets | 650 sheets |
| Maximum Input Capacity | 200 sheets | — |
| Multipurpose Tray Capacity | 200 sheets | 100 sheets |
| Output Capacity | — | 500 sheets |
| Automatic Duplex Printing | — | Yes |
| Scanning | ||
| Scanner Type | — | Flatbed scanner with 150-sheet automatic document feeder |
| Optical Scan Resolution | — | 600 x 600 dpi |
| Black Scan Speed | — | 120 ipm |
| Color Scan Speed | — | 120 ipm |
| Duplex Scanning | — | Yes |
| ADF Capacity | — | 150 sheets |
| Print Performance | ||
| Black Print Speed A4 | 6 ppm | 52 ppm |
| First Page Out Black | 20 s | 5.4 s |
| Print Resolution | 600 x 600 dpi | 1200 x 1200 dpi |
| Monthly Duty Cycle | — | 300000 pages/month |
| Recommended Monthly Volume | — | 5,000-30,000 pages/month |
| Warm-up Time | 60 s | — |
| Processor Speed | — | 1200 MHz |
| Standard Memory | 1 MB | 2304 MB |
| Maximum Memory | 3 MB | 3072 MB |
| Internal Storage | — | 320 GB |
| Print Languages | Brother Printing System, PCL 4 | HP PCL 6, HP PCL 5, HP PostScript 3 emulation, native PDF, Apple AirPrint |
| Copying | ||
| Black Copy Speed | 6 cpm | 52 cpm |
| Copy Resolution | — | 600 x 600 dpi |
| Maximum Copies | 99 copies | 9999 copies |
| Copy Zoom Range | — | 25-400% |
Summary: Which Product Should You Choose?
Choose M631z if you need:
- USB
- Ethernet
- Wi-Fi Direct
- Mobile Printing: HP ePrint, HP Smart/All-in-One Remote, Apple AirPrint, Android printing, Mopria
What is the difference between MFC-4350 and M631z?
MFC-4350 and M631z share specifications such as Print Technology (Laser), Fax (Yes), Product Type (Monochrome Laser Multifunction Printer), Maximum Paper Size (Legal).
The main differences: Printer Functions (MFC-4350: Print, Copy, Fax, M631z: Print, copy, scan, fax); Black Print Speed A4 (MFC-4350: 6 ppm, M631z: 52 ppm); Print Resolution (MFC-4350: 600 x 600 dpi, M631z: 1200 x 1200 dpi); Automatic Duplex Printing (MFC-4350: —, M631z: Yes).
MFC-4350 may suit users who need its differing values, while M631z benefits those who need its paired strengths. Review the specs table above before deciding.