DESKJET PRINTER :

• Basic Concept of DeskJet Printer, Assembly & Parts Demo, Dismenting & Reassembling HP DeskJet Printer, Diff. Parts Identify with Troubleshooting, Papeer Feeder Sensor, Door Sensor,

LASER PRINTER :

• Laser Printer Working Concept, Block Diagram of Laser Printer, Importance & Introduction, Common Fault & Equality of Printer, Circuit Concept, Refilling Cartage, PCB Concept, Control Unit, Power Unit, Lens Assembly, Scanner Device

DOT MATRIX :

• Basic Concept of Dot Matrix Printer, Mechanism, Daisy, Chain, Drum Printer, Printer Head Working, Power Supply, Processor section, Pin head Refurbish, SMPS board Concept, Stepper Motors, DMP & PCB Concept

TOONER REFILLING :

• Cartage Toner Refilling