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.
When charging by the page, the type of editing matters. According to The Writerâs Market, the average for proofreading is $3 per page, for copy editing $4 per page, and for content editing you can expect to charge around $7.50 per page. I have charged both hourly, and per-page, and donât really have a preference.