work of cartridge refilling, drum / magnet. wiper blade / pcr replacement of various printers and supply computer antivirus installed in the offices of ee, etd-i, lucknow for the period of one year. 1 following details cartridgerefilling drum / magnet replacementof laserjet / desk jet printer ( hp. samsung make ) and supply & installation of antivirusand cartridge installed in the offices of executive engineer, electy. transmissiin division -i, lucknow as per details enclosed as annexure - 2with all cost of material and t&prequiredfor satisfactorycompletion of the work : 2 cartridge ink refilling of differentlaser jet models as below - 3 hpmake mfp / hp make pro mfp / samsung scx model 4 drum replacement ( suitable for hp / samsung make ) 5 drum replacement ( suitablefor hp make laser jet m227m 231 series ) 6 magnetreplacement ( suitablefor hp / samsungmake ) 7 magnet replacement ( suitablefor hpmake laser jet m227-m 231 series ) 8 wiper blade replacement 9 fuser replacement 10 gear replacement 11 doctor blade 12 supply and installation antivirus for protecting computer system 13 supply and installation various printer cartridge and toner