Ricoh Aficio MP C3500 - Manual (Page 27)

3
Functions Requiring Optional
Configurations
Certain functions require special machine configuration and extra options as follows:
Stack: SR790, Booklet Finisher SR3020 or Finisher SR3030
Staple: SR790, Booklet Finisher SR3020 or Finisher SR3030
Staple (Centre): Booklet Finisher SR3020
Punch: Booklet Finisher SR3020 or Finisher SR3030, Punch kit
Note
❒ The bridge unit and paper tray unit are required when you install the finisher.