Which ink/toner does the HP LaserJet MFP M140we use?
The HP LaserJet MFP M140we (laser, 2022) uses W1420A.
Third-party cartridge risk: Medium a firmware update can start blocking non-OEM cartridges, so check before buying a large supply, or hold off on firmware updates.
The LaserJet MFP M140we is the smallest multifunction in HP's current mono laser range, with print, scan and copy on a desk sized body.
It takes one toner, 142A, rated for 950 pages at $55.00, which works out at 5.79c a page. HP makes no high yield version in this family, so unlike the 134A machines there is no larger cartridge to step up to when the running cost starts to bite.
The e on the end marks it as an HP+ printer. HP's terms require an HP account, an ongoing internet connection and exclusive use of Original HP toner for the life of the printer, and that commitment is made once, when the machine asks whether to activate HP+ during setup.
Put those two facts together before you buy. A single toner number with no XL tier, on a printer HP says works only with original toner once HP+ is accepted, fixes the running cost at 5.79c a page with nothing you can do about it afterwards. Declining HP+ at setup is the one point where a compatible 142A stays on the table, and that choice cannot be revisited later.
Compatible cartridges
| Cartridge | Color | Yield | Pages | OEM price | Cost/page | |
|---|---|---|---|---|---|---|
| W1420A | black | standard | 950 | $55.00 | 5.8¢ | OEM · AmazonCompatible |
XL (high-yield) cartridges cost more upfront but lower the cost per page, which is better if you print a lot.
The HP LaserJet MFP M140we is on our firmware-lockout list, so a compatible or remanufactured cartridge can stop working after a printer update. The safe choice is genuine HP toner. If you want to try a compatible to save money, buy only from a seller that guarantees it works with this printer's current firmware, and keep the receipt.
Frequently asked questions
Which toner does the HP LaserJet MFP M140we use?
The HP LaserJet MFP M140we uses W1420A.
Will third-party toner work in the HP LaserJet MFP M140we, or will firmware block it?
Sold as an HP+ model, the e on the end of the name. Per HP's HP+ terms and the M209dwe page for the same e series, HP+ needs an HP account, an internet connection and Original HP toner for the life of the printer, so an enrolled machine refuses compatible W1420A. Declining HP+ at first setup is the only moment third party toner stays possible. Checked 1 September 2026.
How many pages do the HP LaserJet MFP M140we cartridges print?
Rated yields are the W1420A at about 950 pages. Real-world yield depends on how much you print and how much toner each page uses.
What is the cheapest toner for the HP LaserJet MFP M140we?
By list price the lowest cost per page here is the W1420A at about 5.8 cents per page. A reliable compatible or remanufactured cartridge can lower that further.
Related HP LaserJet MFP printers
Guides for HP LaserJet MFP M140we owners
- HP LaserJet toner compatibility chart: which printer takes which CE, CF or W number
- Drum unit vs toner: when to replace one, and what it really costs
- Why did my printer stop accepting compatible ink after a firmware update?
- Setup cartridges: why a new printer runs out of ink so fast, and what the first refill costs
- How to disable HP Dynamic Security and decline the firmware update safely
Last reviewed . Compiled by MyCartridgeFinder from manufacturer cartridge finders and retailer cross reference tables, then checked against this printer's database record. Cartridge numbers and yields come from that record, never from guesswork. See our methodology and data sources.