In any working company, printers play an important role and if they start to work improperly, then it might create a lot of trouble in our work. In such cases, most of us do not know what to do and we panic. But you can always try some simple workarounds that will certainly support you if your printer begins to show errors or you are unable to print from it. The "Canon Printer in Error State" error or Canon printer offline error has been frequently encountered by many users. First, then, we will learn what causes it to go into an error state and what we can do to solve this problem.