LibreOffice uses the installed fonts of your system. In a text document you can select from all printable fonts. In an HTML document or in Web layout, only fonts that are visible on screen are offered. In spreadsheets and drawings you can select from all installed fonts.
In the Print dialog or the Printer Settings dialog, select the printer from the printers list box and click Properties. The Properties dialog appears containing several tab pages. This is where you can make settings that are used according to the PPD file of the selected printer.
On the Paper tab page, you can define the paper format and paper tray to be used as the default settings for this printer.
On the Device tab page, you can activate the special options for your printer. If your printer can only print in black and white, choose "grayscale" under Color, otherwise choose "color". If switching to grayscale leads to unfavorable results, you can also select "color" under Color and see how the printer or PostScript emulator applies it. Furthermore, on this tab page you can set the precision with which colors are described as well as the PostScript level.
To make the printer selected from the Installed printers list box the default printer, double-click its name or click the Default button.
If you have installed fax4CUPS on your computer you can send faxes with the LibreOffice software.
A dialog prompting you for the phone numbers to send the fax to will appear after the printout when printing to a fax4CUPS printer. Multiple numbers can be entered separated by ;
In LibreOffice you can also activate an icon for sending faxes to a default fax. To do this, choose Tools - Customize - Toolbars, click Add Commands and add from "Documents" the Send Default Fax icon. You can set which fax is used when this button is pressed under LibreOffice - PreferencesTools - Options - LibreOffice Writer - Print.
Remember to create one separate print job for each fax, otherwise, the first recipient will receive all the faxes. In the Tools - Mail Merge dialog select the Printer option and then select the Single print jobs check box.