Module 1:

Basics of Electronics & HardwareIntroduction to Repairing Tools (Soldering Iron, SMD Machine, Multimeter)Electronic Components (Resistors, Capacitors, Diodes, Transistors, MOSFETs, ICs)Circuit Board (PCB) Tracing and Component TestingSoldering and Desoldering Techniques

Module 2:

LaserJet Printer Architecture & RepairIntroduction to Laser Technology and Printing ProcessLaser Scanner Unit (LSU) Cleaning and RepairFuser Assembly Servicing (Teflon Sleeve, Pressure Roller, Heating Element)Pickup Roller, Separation Pad, and Delivery Unit MaintenanceCommon Faults: Paper Jam, Blank Print, Light Print, Black Lines

Module 3:

Inkjet & Ink Tank Printer Architecture & RepairInkjet Mechanism and Cartridge FunctionsInk Tank System (CISS) and Pipe Line Air RemovalPrint Head Diagnosis, Cleaning, and Unclogging ProcessEncoder Strip and Carriage Belt ReplacementLogic Card and Sensor Troubleshooting

Module 4:

Dot Matrix & Thermal Printer DiagnosticsDot Matrix Print Head and Pin ReplacementRibbon Gear Assembly and Tractor Mechanism RepairThermal Printer Mechanism (Billing/Receipt Printers)Barcode Printer Calibration and Head Cleaning

Module 5:

Power Supply (SMPS) & Logic Board RepairingPrinter Power Section (SMPS) Circuit TracingDead Printer Diagnostics and Voltage CheckingMain Logic Board (Motherboard) Component-Level RepairingSensor Diagnostics (Paper Sensor, Door Sensor, InK Sensor)

Module 6:

Cartridge Refilling & MaintenanceToner Cartridge Disassembly and Refilling (Laser Printer)OPC Drum, PCR, and Wiper Blade ReplacementInkjet Cartridge Refilling and PrimingGeneral Servicing, Chemical Cleaning, and Lubrication

Module 7:

Software, Drivers & NetworkingPrinter Driver Installation and Configuration (Windows & Mac)Printer Firmware Flashing and Resetter Software UsageNetwork Printer Setup (LAN & IP Address Configuration)Wi-Fi Printer Configuration and Mobile Printing SetupPrint Spooler Troubleshooting and Error Code Decoding