Comparison guide
HP OfficeJet Pro 9120e vs Brother MFC-J4555DW: which should you choose?
HP OfficeJet Pro 9120e and Brother MFC-J4555DW compared under one framework. One recorded specification difference is ADF capacity: 35 sheets on the HP OfficeJet Pro 9120e against 20 sheets on the Brother MFC-J4555DW. Specifications and their sources are recorded alongside.
Published: 2026-08-19 · Updated: 2026-09-21
Printers verdict
Undocumented scoring basis · overall score and upgrade ranking withheld. The table records stored representative configurations; confirm the configuration and price on the merchant page before buying.
- HP OfficeJet Pro 9120e: A connected office inkjet with 22ppm mono, 18ppm color, 250-sheet input, and a 35-sheet ADF.
- Brother MFC-J4555DW: A small-office multifunction printer with 20ppm mono, 19ppm color, 400-sheet input, a 20-sheet ADF, Ethernet, and Wi-Fi.
- Undocumented quality and performance advantages are not ranked
- Specification field coverage (not accuracy): 100%
Choosing between HP OfficeJet Pro 9120e and Brother MFC-J4555DW starts with the real use case and the problem to solve, not with which product is newer. No independent laboratory test is implied.
Core specifications on one baseline
| Item | HP OfficeJet Pro 9120e | Brother MFC-J4555DW | Delta |
|---|---|---|---|
| Print system | Thermal inkjet multifunction Manufacturer official product page · check date not recorded | Four-cartridge INKvestment Tank color inkjet multifunction Manufacturer official product page · check date not recorded | Different |
| Mono print speed | 22 ppm Manufacturer official product page · check date not recorded | 20 ppm Manufacturer official product page · check date not recorded | -9.1% |
| Color print speed | 18 ppm Manufacturer official product page · check date not recorded | 19 ppm Manufacturer official product page · check date not recorded | +5.6% |
| Maximum print resolution | 4800 dpi Manufacturer official product page · check date not recorded | 4800 dpi Manufacturer official product page · check date not recorded | Same |
| Automatic duplex | Automatic Manufacturer official product page · check date not recorded | Automatic print Manufacturer official product page · check date not recorded | Different |
| ADF capacity | 35 sheets Manufacturer official product page · check date not recorded | 20 sheets Manufacturer official product page · check date not recorded | -42.9% |
| Paper input | 250 sheets Manufacturer official product page · check date not recorded | 400 sheets Manufacturer official product page · check date not recorded | +60% |
| Scanner | Yes, flatbed and ADF Manufacturer official product page · check date not recorded | Yes, flatbed and single-sided ADF Manufacturer official product page · check date not recorded | Different |
| Consumable | HP 936 ink cartridges Manufacturer official product page · check date not recorded | Brother LC506 ink cartridges Manufacturer official product page · check date not recorded | Different |
| Color | White / Dark Gray | Black | Different |
| Region | KR | KR | Same |
| Model Code | 4V2N0A | MFC-J4555DW | Different |
18 of the 24 values in this table carry a source. The rest have no source on record, which is not the same as being wrong.
How to read Same, Different, No data, Unverified and Not applicable is documented on the configuration-level specification screen. If a condition you require is unknown, withhold the decision and match the exact model, sales region and configuration against the sources on that screen.
Differences recorded in the table
4 fields can be ranked on the same basis, listed by weight.
- ADF capacity · HP OfficeJet Pro 9120e 35 sheets, Brother MFC-J4555DW 20 sheets (-42.9%)
- Paper input · Brother MFC-J4555DW 400 sheets, HP OfficeJet Pro 9120e 250 sheets (+60%)
- Color print speed · Brother MFC-J4555DW 19 ppm, HP OfficeJet Pro 9120e 18 ppm (+5.6%)
- Mono print speed · HP OfficeJet Pro 9120e 22 ppm, Brother MFC-J4555DW 20 ppm (-9.1%)
The decision axes and the checking order for the whole category are on the Printers comparison page.
The two products this comparison names
Match the listing against these models first. The recorded-field count is catalogue completeness, not product quality.
- HP OfficeJet Pro 9120e · HP · model number 4V2N0A · released 2023 · recorded fields 12/12
- Brother MFC-J4555DW · Brother · model number MFC-J4555DW · released 2025 · recorded fields 12/12
Fields the two products share
2 recorded fields hold the same value for both stored representative configurations, so nothing in this list separates them.
- Maximum print resolution · 4800 dpi
- Region · KR
Who should choose HP OfficeJet Pro 9120e
HP OfficeJet Pro 9120e leads the table on ADF capacity, Mono print speed. A connected office inkjet with 22ppm mono, 18ppm color, 250-sheet input, and a 35-sheet ADF.
Who should choose Brother MFC-J4555DW
Brother MFC-J4555DW leads the table on Paper input, Color print speed. A small-office multifunction printer with 20ppm mono, 19ppm color, 400-sheet input, a 20-sheet ADF, Ethernet, and Wi-Fi.
How to read price and purchase availability
No merchant link is shown: neither product has an approved listing whose name and configuration match the catalogue, and AsKrs does not guess a destination.
- HP OfficeJet Pro 9120e · No verified purchase link currently available
- Brother MFC-J4555DW · No verified purchase link currently available
This comparison is built from published specifications and stored representative configurations. The use context, configuration checks, switching costs, and the scope and limits for Printers are documented on the Printers comparison page.