Genuine Konica Minolta RU-503/504 Buffer/Cooling Relay Unit for the models listed on this page.
The RU-503 has no independent power supply.
The RU-504 comes with a power supply for FS-503 installation.
Discontinued Date: September 2016
THIS RELAY UNIT HAS BEEN DISCONTINUED AND IS NO LONGER BEING PROVIDED WITH NEW PARTS OR SUPPLIES.
