High speed Duplicator for RISO RZ670 digital duplicators

email: machineexport@foxmail.com Refurbished Risograph duplicator printer Ricoh copier machine : RZ570/530/970/230/630/300/370/390/220/670/977/391 RP3500/3790/310/255/3700 GR2750/3750/3770 FR3950 MZ770 MD5650 .....