Chinese consumables manufacturer Topjet Technology Co., Ltd., has introduced compatible toner cartridges for HP’s new LaserJet M110 and M140 A4 monochrome laser series. Ninestar Corporation has 51 percent stake in Topjet. HP quietly rolled out the LaserJet M110w and M110we A4 monochrome laser printers and the LaserJet M140w A4 monochrome laser MFP in February in
