On December 14, Zhono Microelectronics Co., Ltd. announced that it now offers compatible chips for the toner cartridges used in Lexmark CS421, CS521, CS622, CX421, CX522, CX622, and CX625 A4 color laser printers and MFPs. Lexmark launched the CS421 and CX 421 series in 2018 (see “Lexmark Announces New A4 Color Lasers and Large Workgroup
