ISO 9000 is a family of standards for quality management systems. Some of the requirements in the ISO 9001 standard include: documenting procedures, monitoring processes, keeping adequate records, taking corrective action, regularly reviewing the overall system and facilitating continuous improvement.
STMC stands for the Standardized Test Methods Committee. This global committee formed to find and promote standardized test methods for the printer cartridge industry. The test methods are used to evaluate toner printer cartridge performance. Standardized test methods make it possible to evaluate a cartridge anywhere and come up with the same test results no matter who tests it.
The ISO 19752 standard is a standardized page yield test for monochrome (b/w) laser printer cartridges. The test is done with a minimum of nine cartridges tested on three separate printers with a standard print/test page under specific environmental conditions and printer settings.
The ISO 19798 standard is a standardized page yield test for color laser printer cartridges. The test is done with a minimum of 12 cartridges(three sets of CMYK) tested on three separate printers with a standard set of five different
print/test pages under specific environmental conditions and default printer settings.