Printer Installation Help

I want to install below mentioned printer in Ubuntu 14.4.pls help me how to install these driver.

Cannon lbp 2900,3108b

HP 1020 plus,1008


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Refer below URLs :

http://askubuntu.com/questions/457774/driver-canon-lbp-2900

http://askubuntu.com/questions/463289/cant-get-my-canon-lbp-printer-to-run-under-ubuntu-14-04