i need an all in one ..printer scanner..copier. fax is not required plesae suggest me goin for a laser is good idea or inkjet i need it for my school work and currently i need to print around 300 pages.. also can u tell whether an laser one is good or inkjet in terms of cost and how long a cartridge will last .....also i need a high page yeild..... nd costs of replacin cartridge nd toner etc.....i hv no idea on how a toner works nd stuff .... i got to know frm a friend abt it ... pls suggest me ...i hv been suggested hp 915 ..if anyone has used it please tell me hows it pls recommend any nice model of hp or lenovo all anwers are appreciated ,,,,,thanx in advance