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Mechanical Parts And Sensors On Laser Printer,  Function, Replacement Procedure.

Power  Supply  In  Laser  Printers, Circuit, Defects, Servicing.

Printer  Drum,  Function,  Cleaning And Replacing Procedure.

Refilling   Toner  Cartridges, Equipment  Available  For  Refilling And Procedure.

Toner Cartridge, Types, Replacing Toner Cartridges https://www.youtube.com/watch?v=QTrctyRbsNg

 Working    Principle    Of     LASER  Printer.

Printer   Control   Board,   Circuit, Function,  Probable  Defects, Servicing.

Carriage  Motor  Assembly, Paper Feed Assembly,  Sensors. Procedure  For  Dismantling   And Replacing Mechanical Parts.

Printer    Power   Supply,    Circuit Analysis,      Defects,     Servicing. Circuit,  Function,       Probable Defects, Servicing.

Precaution   To   Be  Taken   While Removing  And Replacing Printer.

Refilling Of Ribbons.

  Ribbon Types Used. https://www.youtube.com/watch?v=xTCdDH-G3cY

  Installation  Of  A  Printer  Driver. And Self-Test. https://www.youtube.com/watch?v=kFcODEVwKl4

Types   Of  Printers,  

Linux    File   System,    The   Shell, Users   And   File  Permissions,   VI Editor,  X  Window  System,   Filter Commands,  Processes,  Shell Scripting.

  Installing UNIX/ LINUX

Identify   of   different   types   of capacitors from color code and typographic code

Rewind  a  transformer  to  given specification  using winging machine

Type  Of Cores  And  Uses  For  LF,  HF,  VHF Transformer    https://www.youtube.com/watch?v=8ybi0elKoCo https://www.youtube.com/watch?v=IWuVmtSwZOU

Transformers.       Turns  Ratio.  Transformer   Winding.   Winding Machines

Demo On Self  And Mutual Induction

Measure   Inductance   Using   LCR

Dependent resistors.  Variable resistors, pots, presets,types  and  application.  Log  and Linear resistors

  Experiment  To  Check  VDRs

  Experiment using p.t.c and ntc with resistors

  Types Of Solder And Need Of Soldering Paste

  17. Verification   of   Ohms   Law   and Kirchhoff s Laws.

Colour  Coding   Of  Resistors. Calculating  Measuring Resistance  Value  And  Its Tolerance  Value https://www.youtube.com/watch?v=O-b_aWT-7fU https://www.youtube.com/watch?v=oVoVGxLKi2E https://www.youtube.com/watch?v=pD2Ce1lujNA

  Identify  different   types  of resistors  from  physical  appearance

Measure DC and AC power using V-I   method   and   using   power meter

AC and DC meters

Circuit    Voltage    And     Circuit .  Measuring    Circuit     Voltage     and   Circuit    Using   Voltmeters   And  Ammeters

Different types of connectors used in electrical and electronic applications