Canon PIXMA TS302 Wireless Inkjet Printer - Manual (Page 191)

Cannot Print or Connect
Redo printer setup if one of conditions below is applied.
• if you have replaced a computer or wireless router
• if you have changed wireless router settings
• if you have changed the printer connection method (wireless LAN/USB)
• if you have forgotten the administrator password specified for the printer
If you have forgotten the password, initialize the printer to restore the password to default, and then redo
printer setup.
Initializing Printer Settings
Visit here for more on the setup procedure.
If none of the above is applied, see Printer Suddenly Stopped Working for Some Reason .
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