OEM (Original Equipment Manufacturer) are supplies produced by the same manufacturer that makes given piece of equipment
Standard Yield, 450 pages
Compatible supplies are originally manufactured by one brand for its equipment, but can be used together with Brother Dot-Matrix Printer M4018 Dot-Matrix Printers. This is possible because the manufacturers use the same engine for their devices.
Standard Yield, 6,000,000 characters
$44.34 Free Shipping