Canon imageCLASS D1650 All-in-One Monochrome Laser Printer - Manual (Page 547)

You can change the settings to print files in a USB memory device and the method for displaying them.
You can change the default settings associated with memory media print. The settings configured here are
used as the default settings of the memory media print function. Changing the Default Settings for
Functions(P. 171)
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1 to 999
<2-Sided Printing>
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17 Levels
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17 levels
<1200 dpi>
<600 dpi>
Five Levels
<2 on 1>
<4 on 1>
Setting Menu List
539