[On], [Off]*

This setting enables you to print documents with a five digit serial number in the background on each copy.

Copy numbers are printed in the following methods:

When printing three copies of a five page document:

[5 Locations]*, [Top Left], [Bottom Left], [Top Right], [Bottom Right], [Full Surface]

This setting enables you to specify the position of the copy numbers to be printed. You can select to print numbers in all five positions, in each corner, or over the entire page.

1 to 9999; 1*

The Starting Number mode enables you to specify the copy number to start numbering. The default is '1' (printed as 00001), but you can specify up to '9999' (printed as 09999).

[Small(12 point)], [Medium(24 point)], [Large(36 point)]*

The Number Size mode enables you to select the size of copy number from [Small(12 point)], [Medium(24 point)], and [Large(36 point)] ('12.0 pt.', '24.0 pt.', and '36.0 pt.').

1 to 5; 3*

This setting enables you to adjust the number density and has 5 levels you can adjust, with level '3' (middle level) being the default setting. Selecting '1' makes the number lighter, and selecting '5' makes it darker.