Very helpful videos thank you! My RZ´s black drum makes a whistle noise and don´t print, had you ever had this problem? Thank you and keep the Riso printing!!!

If cleaner not succsess better change the pump

thank you

good

Silke quture sitenye

where r u i need the service of riso graph are u in KSA jeddah

Saan po nkakabili ng filter ng pump

لم تعمل المضخه للحبر

Silk qudur sidanyi abaa

ስልክ ላክልኝ

Boss asa location boss?