Hi romichel_1975.
For laptops and USB, ensure the computer is connected to power and that it is charging. USB signals on battery power can be too low for the printer to detect.
For wifi, ensure the laptop is on a standard (2.4 GHz) wifi connection. The MX532 is only capable of 2.4 GHz wifi, and most 5G routers keep the two types of wifi separate to maintain the faster 5G speeds.
If the printer doesn't respond over the network, try opening its Remote UI. If the Remote UI is unreachable, then your router is not allowing the printer to communicate with the computer. If the Remote UI comes up, then something on the computer (usually an antivirus or firewall; sometimes the Print Spooler service being disabled, or the presence of a conflicting program) is preventing the printer from installing and communicating correctly.
If you need immediate assistance with this issue, please contact us using the numbers and information at http://Canon.us/ContactLI
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