he first step of Canon Pixma MG2520 wireless setup The preliminary level is all about unboxing the printer, after unboxing then putting the choices, and in remaining you need to install the ink cartridges on your MG2520 printer. After all of the above steps are completed correctly then check the seal of the printer and after carried out checking go back it to the producer if not sealed properly. Source: https://www.setupcanonprinter.com/blog/canon-pixma-mg2520-setup/