Printer Power Supply, Circuit Analysis, Defects, Servicing. Circuit, Function, Probable Defects, Servicing.
https://www.youtube.com/watch?v=pffOJdCQ7kw
ICTSM - Information & Communication Technology System Maintenance
ICTSM and CHNM trades in ITI offer extensive career scope ranging from self-employment and contractual work to high-tech industrial roles. Successful candidates gain core engineering capabilities as: ICT Engineer, Hardware & Network Specialist, System Administrator, and Technical Support Engineer.