HP 815MFP - Manual (Page 10)

4 hp designjet 815mfp & scanner 4200
3. Select the Unprintable Area button (or the Tool button and
then the Unprintable Area button if Setup tab > Options >
Quick select lists is selected).
4. Press the Media width button to enter a new value and press
the Enter key to confirm.
5. Select OK to finish.
how do I select an original template?
1. Press the Type of original button in the Copy tab dialog.
2. Select from the list a Type of Original template that best
describes your current input.
see also
tell me about original templates on page 74
how do I define an original template? on page 31
how do I set the input size?
1. Press the Copy tab.