LaserJet M631 h MFP
HP's mono range of the late-2010s included the LaserJet M631 h MFP, a multifunction printer aimed at everyday office document printing rather than spec-sheet bragging rights. If your workload is everyday office document printing, the LaserJet M631 h MFP is the kind of printer that just keeps showing up.
For the LaserJet M631 h MFP, toner means the HP 37A family: the CF237A cartridge, common to 39 models in the lineup. For the LaserJet M631 h MFP, the high-yield CF237X stretches the interval between cartridge swaps; the standard CF237A suits lighter everyday office document printing.
Toner Cartridges for LaserJet M631 h MFP
This printer works with the following toner cartridges:
- HP CF237A
- HP CF237X
- HP CF237Y
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Frequently Asked Questions
Can I use any HP toner cartridge in the LaserJet M631 h MFP?
No — the LaserJet M631 h MFP only accepts CF237A, CF237X, CF237Y. Toner cartridges are keyed to specific printer families, so one made for another HP model generally won't fit or be recognized. Stick to the codes listed for your LaserJet M631 h MFP.
When should I replace the toner in my LaserJet M631 h MFP?
Swap the CF237A when prints from the LaserJet M631 h MFP fade, streak, or the printer reports the cartridge as empty. "Toner low" warnings arrive earlier and still leave room to print, so keep a spare CF237A ready. Change it when quality visibly drops, not at the first warning.
Can I still scan with the LaserJet M631 h MFP when the toner runs out?
Yes — scanning to a computer doesn't use toner, so the LaserJet M631 h MFP keeps scanning even with an empty CF237A. Copying is the exception: it prints the scan, so it needs toner to work. Replace the CF237A when copies from the LaserJet M631 h MFP start fading.