default: This is a simple fo text in FOP default font. sans-serif: This is a simple fo text in sans-serif font. monospace: This is a simple fo text in monospace font. Courier: This is a simple fo text in Courier font. Helvetica: This is a simple fo text in Helvetica font. Symbol: This is a simple fo text in Symbol font. Times Roman: This is a simple fo text in Times Roman font. ZapfDingbats: This is a simple fo text in ZapfDingBats font.