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

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

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Printer Drum, Function, Cleaning And Replacing Procedure.

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Refilling Toner Cartridges, Equipment Available For Refilling And Procedure.

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Toner Cartridge, Types, Replacing Toner Cartridges

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Working Principle Of LASER Printer.

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

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

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

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Precaution To Be Taken While Removing And Replacing Printer

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Refilling Of Ribbons.

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Ribbon Types Used.

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Installation of a printer driver. And self-test.

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Types Of Printers

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Linux file system, The Shell, Users and file permissions, VI editor, X window system, Filter Commands, Processes, Shell Scripting.

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Installing UNIX/ LINUX

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

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Rewind a transformer to given specification using winging machine

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Type of cores and uses for LF, HF, VHF transformer

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Transformers. Turns ratio. Transformer winding. Winding machines

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Demo On Self And Mutual Induction

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Measure inductance using LCR

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

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Experiment to check VDRs

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Experiment using p.t.c and ntc with resistors

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Types of solder and need of soldering paste

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17. Verification of Ohms Law and Kirchhoffs Laws.

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Colour Coding Of Resistors. Calculating Measuring Resistance Value And Its Tolerance Value

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Identify Different Types Of Resistors From Physical Appearance

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

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AC and DC meters

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Circuit voltage and current. Measuring circuit voltage and current using voltmeters and ammeters

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Different types of connectors used in electrical and electronic applications

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