how to use sleep mode on a canon imageclass mf733cdw

: New firmware version 1.2.0 is available for CR-N 500 : New firmware version 1.2.0 is available for CR-N 300 : New firmware version 1.1.1 is available for RF 70-200mm L IS USM : We're thrilled to be ranked among the Best Employers for Veterans in 2022 by Forbes. : New firmware available for EOS R3, EOS R7 and EOS R10 : New firmware version 1.7.0 is available for EOS R6 : New firmware version 1.7.0 is available for EOS R5 : New firmware version 1.0.5.1 is available for EOS C70 : Help ensure your autofocus is properly aligned with a Canon Precision Alignment : New firmware version 1.1.1 is available for EOS R6 Mark II : New Firmware Updates Are Available: EOS R6 - Version 1.8 EOS R7 - Version 1.3.0 EOS R10 - Version 1.3.0 Any thought/suggestions on what I’ve overlooked? I suspect I’ve done something foolish which is preventing the unit from sleeping. Unit is networked via Ethernet, and fax receive mode is set to ‘manual’.

This is what makes me believe the unit is not completely sleeping. While the ‘sleep indicator’ on the operations panel is illuminated (meaning the unit should be sleeping), the unit sounds like it is still in a ‘full ready’ status (fans/heaters on, etc).

After the (default) 5 minutes of idle time, the remote UI portal shows the scanner is in sleep mode however, both the printer and fax are ‘ready for use’.Unit will not sleep if I press the ‘sleep’ button on the operation panel (per page 179 of the manual).I’ve double-checked all of the settings in both the control panel and the remote UI portal pages however,

“Auto Sleep Time” is set to the default of 5 minutes. I see a lot of people having problems with their printers not waking however, I can’t get my MF733Cdw to completely sleep.

How to use sleep mode on a canon imageclass mf733cdw