A printer repair technician works for repair workshops and outlets that handle installation and repairing of computer devices and peripherals. He has thorough knowledge about the operations of variety of printers such as inkjet, laser, dot matrix, thermal printer, etc. This knowledge is useful as it helps him identify the common technical problems faced in certain types of printers. When any printer stops functioning, the repair technician inspects the core components of a printer like drum cartridge, toner, roller, heating elements, inkjets, etc. and makes certain each component delivers optimum performance. The technician identifies the defects and corrects them by removing or replacing the malfunctioning components. The printer repairer must upgrade knowledge about the modern technologies introduced for printer machines. Also, he may lend support in training the juniors on repairing techniques and the users on using the printer and common repairing functions.