Matrix code printers waste: during the production of a matrix code arising printers waste
Missing matrix code: postage stamp with not printed matrix code caused by printers waste
Matrix code colour printers waste: printers term for a devi-ation from the intended matrix code colour caused by printers waste
Shifted matrix code: postage stamp with shifted matrix code to another position as intended caused by printers waste
Inverted matrix code: postage stamp with inverted instead upright matrix code caused by printers waste