On November 12, Clover Imaging Group announced a “first to market product”: a remanufactured HP CF237X toner cartridge. The HP 37X (CF237X) toner cartridge was introduced in 2017 in HP’s LaserJet 600 series of high-speed, high-volume A4 monochrome laser printers and MFPs (see “HP Announces LaserJet 600 Series Featuring JetIntelligence”). Models in the family include