On April 1, Ninestar announced some new G&G-brand jumbo or extended-yield toner cartridges for the HP Laser 107 series and the HP Laser MFP 135/137 series. HP introduced the HP Laser 107 series of single-function A4 monochrome laser printers and the HP Laser MFP 135/137 series of A4 monochrome laser MFPs in May 2019. Rather