Apex Microelectronics recently announced the release of replacement chips for cartridges used in several Samsung color laser printers and MFPs recently released in Korea.The new Samsung units include A4 single-function devices, SL-C422/422W/420W/423/423W, as well as A4 MFPs, SL-C472/472W/472FW/470W/C470FW/473/473W/473F. The series has not yet been released outside of Korea although Apex states that it likely will