AI Overview A Canon printer that connects fine during initial setup but later drops Wi-Fi or shows "offline" is almost always losing its saved network credentials or IP address, not experiencing a hardware fault. The fix generally requires fully resetting the printer's wireless setup rather than just reconnecting, since a partial reconnect often recreates the same unstable state. Quick Answer A Canon printer that connected successfully once but keeps dropping Wi-Fi or showing "offline" afterward is typically losing its saved network connection rather than failing as hardware. Start by checking the printer's Wi-Fi indicator light — blinking or off means the saved connection has dropped. If reconnecting through the standard Wi-Fi menu doesn't hold, a full wireless reset followed by a driver reinstall usually resolves it for good. Getting a Canon printer through initial setup and then watching it lose its Wi-Fi connection a day or two later is one...