What does error code E806-0000 mean and how is it caused?
Error code E806-0000 indicates a Main Fan error. The Main Fan (FM1) is responsible for cooling the area around the cartridge and the low voltage power supply via suction at full speed. If this fan fails, the error is triggered to prevent overheating inside the machine. (Page 22, 152)
From the official Canon LBP1238 Ii Printer manual, page 152
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