Other speed measurements, such as pages per minute (PPM), can be tweaked by the printer manufacturer, so don't rely on them to compare printers.
Ndị ọzọ na-agba ngwa, dị ka ibe kwa nkeji (PPM), nwere ike ịmalite site na onye na-ebipụta akwụkwọ, n'ihi ya, ị gaghị adabere na ha iji tụnyere ndị na-ebi akwụkwọ.