Open a printer emulation session.
From the Setup menu, choose View Settings.
Specifies the number of lines to print on a page for 3812 and 3287 printing.
Depending on your printer driver, font, and font size, the actual number of characters that can be printed on a line can vary. Use the Info button in the Reflection 3287 printer panel or 3812 printer panel to find out the number of lines per page your printer driver can accommodate for the current font and font size.
As you change this value for a 3812 printer session, the value for Printer Lines Per Inch may change as well; more lines on a page means more lines per inch (assuming the top and bottom margins don't change).