comprehensive annual maintenance contract for computers and peripherals 2021-23 , desktops , hp 3090 , compaq 3140 , dell optiplex 990 , dell optiplex 390 , dell optiplex 9010 , dell optiplex 3010 , dell optiplex 7010 , dell optiplex 3050 , lenovo , hp 280 g3 , dell optiplex 5050 , acer veriton , laptops , dell laptop , dell mini , hp probook 4520s , hp probook 4430s , hp probook 4440s , printer , canon lbp 2900 , canon lbp 6230 , hp 1008 , hp 1108 , hp deskjet 5820 , hp1606dn , epson l805 , hp laserjet cp 1025 ( colour ) , hp laserjet pro 126 , network switches , d-link switch ( 16 port ) , d-link switch ( 24 port ) , netgear fs728tp ( 24 port ) , cisco gigabit switch , cisco gigabit switch sg-300 ( 28port ) , dlink dgs 1210-52 port , dlink dgs 1210-24 port , cisco c3850-nm-4-1g , wireless ap , cisco wireless ap 4410 , cisco wireless ap 321 , cisco wireless ap 121 , d-link dwl-3200ap , netgear wnap 210 , mf printer , canon mx328 , hp x451dn , canon mf 3010 , canon image class 241dw , canon mf244dw , brother mfc 1811 , brother dcp 7060d , hp office jet 6970 , samsung , epson l 6170 , epson l 565 , epson l 380 , epson l 655 , epson l 6190 , canon 240dw , hp m 126 nw , hp mfp 128fn , canon imageclass 226