If your Canon printer keeps going offline, it can interrupt printing tasks and slow down your workflow. This issue often occurs due to unstable network connections, outdated printer drivers, incorrect printer settings, or Windows or macOS system errors. Understanding why your Canon printer repeatedly goes offline helps you apply the right solution quickly. By checking the printer’s connection, setting it as the default printer, restarting print spooler services, and updating drivers or firmware, you can restore smooth and reliable printing. This guide explains common causes and effective fixes to resolve the Canon printer offline problem permanently and keep your device running without interruptions.