How to refill HP Laser Jet printer Cartridge at home, HP 12 A cartridge international standards..

In this video I have shown how to refill HP Laser Printer Cartridge 12 A Step by Step. I have tried my best to let the viewer understand by video only.. 12 A Cartridge is supported by the following printers.. HP Laserjet 1010 HP Laserjet 1012 HP Laserjet 1015 HP Laserjet 1018 HP Laserjet 1020 HP Laserjet 1022 HP Laserjet P3015 HP Laserjet 3020 All-in-One HP Laserjet 3030 All-in-One HP Laserjet 3050 MFP HP Laserjet 3052 All-in-One HP Laserjet 3055 All-in-One HP Laserjet M1005 HP Laserjet M1319 Canon LBP 2900B Canon 3000. for more innovative videos please click the link below and subscrive innovative ideas: https://www.youtube.com/innovativeideas My facebook Page link is : https://www.facebook.com/powercomputersmainpuri/ and Google Plus Page is : https://plus.google.com/u/0/+NAKULSHAKYA My Playlists are : 1. Tech Videos in English https://www.youtube.com/playlist?list=PLL4O1t6dXh9RJuyVU7sIoyBRddiPn7thO 2. Do It Yourself Electronics https://www.youtube.com/playlist?list=PLL4O1t6dXh9T5Zd91bLMBHQXye0SFw04F 3.DO IT YOURSELF COMPUTERS AND PRINTERS https://www.youtube.com/playlist?list=PLL4O1t6dXh9Tp6z2ExUKul-jGrplO8Hky