Canon MF269dw User Manual page 391

Setting Menu List
occur, particularly if the machine shuts down while data is being imported. When you import data using the
Remote UI or use the Send Function Setting Tool, set <Auto Shutdown Time> to <0> (Off) in advance.
● If any settings of the [Timer Settings] are changed from the Remote UI while the machine is in the sleep
mode, the timer for the <Auto Shutdown Time> setting is reset to the beginning. The machine automatically
shuts down after a specified period of idle time has elapsed since the timer was reset.
384