Accufast p4 addressing system

Description

This consists of three machines Accufast P4 Printer, Accufast HDF Feeder and Accufast CS3
this was removed from a working office, but I know little about it, has owner manual  for both machines .Will answer all questions the best I can. some just told me that two tires are missing on HDF  unit. they melted while being moved[ That's life in Arizona] this machine should be purchased by someone that has knowledge
of this type of mailing equipment,there are two metal trays that catch envelops at the converbelt that we did no tak pictures of.