Fujitsu ApeosPrint C4030 Reference Manual page 123

[Altitude Settings]
Set the altitude of the place the machine is located.
Setting the correct altitude helps the machine to secure the print quality and display the accurate
remaining amount of toners.
[Adjust Fusing Temperature]
Adjusts the fusing temperature per paper type.
[Ink Setoff Prevention]
Set to [On] to operate Ink Setoff Prevention (Paper sticking to each other).
5.7 [Maintenance]
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