Sindoh M612 - Manual (Page 169)

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Settings and changes of each function and additional functions
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Printing Fuser Clean Print
[Fuser Clean Print] prints blank page for cleaning the pollution on the fuser unit.
1 Press 【Settings】 by sliding the lower side menu bar to the left in the home screen.
2 Check the Paper Source and Paper Media.
3 Press 【Settings】.
4 Press 【General Settings】
5 Press 【Report】.