(85a MICR) HP Laserjet Pro M1130, M1212, M1213, M1214, M1216, M1217, M1219, P1102, P1102w series laser printers - MICR toner cartridge for printing checks (approx. 1,600 checks) (MICR version of HP #CE285A). The patented security agent forces a bright red stain to permeate through the document if chemical alteration is attempted.