In our daily life, a printer has become an important medium. It is now used in almost every sphere of our globe, be it the setting of schooling, office or company. HP printers come in three main categories, "Inkjet" and "Laserprint" & "officejet," depending on the user's requirement. Both use a distinct set of parts to fully function and work on various methods. Resolve your HP Printer Toner Cartridge Printing Defects.