OEM is an abbreviation for Original Equipment Manufacturer : An original equipment manufacturer, or OEM, manufactures products or components that are purchased by another company and retailed under that purchasing company's brand name.
According to Lyra research each black and white page printed on a laser printer can cost an average of $0.05 to $0.08, and $0.12 to $0.15 for a page with color. Pages with solid color graphics can cost even $0.50 to $0.60 per page.
Add the color cost per page, $0.101 cents, to the monochrome cost per page, $0.028 cents, and you have a total cost per page of $0.129 cents. Toner page yield varies widely, but the HP 126A is a more spendy one.