Ubuntu and Ricoh Aficio 250 driver

Anybody can help me?.  I need to install a Ricoh Aficio 250 printer with Ubuntu.  I searched for the driver but I don't find.  Is there any compatible driver?Thank you in advance.Ramin

Configuration Ricoh Aficio 250

Install as Aficio 220 with plxmono driver (jdirect)If necessary use CUPS to confirgure and start printer (Firefox » http://localhost:631/)Works resonnably well.