OLIVETTI PR4 Black Ribbons for DP8 Olivetti Log in for pricing Olivetti PR4 cartridges are used in these printers: Olivetti PR 4, Olivetti PR 4 DR, Olivetti PR 4 DT, Olivetti PR 4 RT, Olivetti PR 4 RTC, Olivetti PR 4 SL, Olivetti PR 4 SR, Craden DP 8, OLI011010 Log in for pricing
