Printer printing too small

We have windows xp, and a Lekmark printer connected. The problem is
the printer prints very small, and I've searched how to fix that, and
found where someone said click on file, then, print setup. Well this
computer doesn't have a print setup but it has this under file-

New Tab
New Window
Open
Edit with Notepad
Save As
Close Tab
Page Setup
Print
Print Preview
Send
Import and Export
Propierties
Work Offline
Exit

I would really appreciate it if someone would tell me how my printer
could print larger.

Thanks in advance,
James Moore