tender for maintenance of desktop computers and refilling of printers installed at the office of executive engineer, electricity test division ayodhya- annual maintenance of covering replacement of teflon, roller, sheet, drum, toner, replacement of user kit, replacement of parts of computers, changing of battery in ups at office of the executive engineer (test), ayodhya for 12 months as following - total desktop system - 09 nos total printers installed - 08 nos total ups - 09 nos 2 new hp 12 a toner cartridge for hp 1020/1020 plus laserjet printers (total printer - 05 nos) 3 new hp 12 a toner cartridge for hp 1136 laserjet all in one printers (total printer - 01 nos) 4 new toner ink for epson m-105 black tank base inkjet printer (total printer - 02 no) 5 quick heal total security antivirus application 6 cartridge refilling 7 replacement of cartridge drum 8 replacement of teflon of printer 9 replacement of pressure roller of printer 10 key board & mouse [hp/dell] 11 600 va ups with battery 12 general srvices of laser printer 13 other services (formatting, updation, installation etc)