Canon MF8540Cdn Power Switch Autoshutdown
March 8, 2015
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Out of the box the Canon MF8540Cdn laser printer has a possibly irritating feature. After four hours of inactivity it physically flips the power switch off on the side of the printer.
If you want to stop this automatic shutdown of the printer, however, you can set the printer to never power off by visiting the menu, navigating to Timer Settings, then Auto Shutdown Time, then set the shutdown timer to zero (never turn off).
Here is a step by step guide:
1. Press the menu button
Press the menu button
2. Navigate using the up/down arrows to Timer Settings and press OK
Navigate to Timer Settings and press OK
3. Navigate using the up/down arrows to Auto Shutdown Time and press OK
Navigate to Auto Shutdown Time and press OK
4. Using the up/down arrows set the counter to zero and press the right hand button under the screen labelled Apply by the screen
Set the counter to zero and press the button under the Apply label on the screen
You may want to physically power off the printer, count slowly to 15, then switch the printer back on in case the settings only take effect on power-up.