As an esteemed user of canon printers you may face the issue that Canon printer frequently switches offline from being online, there are multiple reasons for this common issue, the paper size available in the paper tray of the printer is mismatched, the network printer does not receive adequate network or wifi signals. This causes the canon printer to go offline from online. A faulty printer driver can cause the Canon printer offline. Excessive printing can cause the canon printer to go offline from online mode. Outdated versions of operating systems also create an issue with the compatibility of the printer and the device so this also causes the canon printer to go offline from online mode. Queued printing jobs can also slow down the performance of the Canon printer always.