I'm sorry about the issue. Is printing currently working fine?
Is the model MG3520?
Do you see the program called IJ Scan Utility on your computer? If yes, can you use it to scan?
Can we do a remote support session, so I can troubleshoot the issue directly on your computer together with you?Please type at the box below, then click on the Send button below to communicate with me, so I can help. Thank you,