Canon PIXMA MG2525 All-in-One Inkjet Printer (Black) - Manual (Page 252)

Scaled Printing
The procedure for printing a document with pages enlarged or reduced is as follows:
1. Select the printer
In the Page Setup Dialog , select your model name from the Format For list.
2. Set scaled printing
Specify the scaling factor in the Scale box, and click OK .
Note
If you are using Mac OS X v10.8 or Mac OS X v10.7, you can set the Scale rate
to a value in the range from 1 to 999%.
If you are using Mac OS X v10.6.8, set a value in the range from 1 to 10000%. If
you enter any other value, an error message will be displayed.
3. Complete the setup
On the Print Dialog , click Print .
When you execute print, the document will be printed with the specified scale.
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