The HP LaserJet Pro M15 series of monochrome laser printers and their multifunction (MFP) versions, the MFP M28 series, all have OEM-rated print speeds of up to 18 A4-size pages per minute (ppm) and duty cycle ratings of up to 8,000 A4-size pages per month.
OEM SKUs for the all-in-one toner cartridges differ depending on the geographic market in which the printer is purchased, and replacement toner cartridges yield up to 1,000 A4-size pages.
Each model ships with a 500 page yield introductory cartridge pre-installed, and all cartridges require a chip for correct printer operation.