Ricoh H545 Operator's Manual page 3

Optional Equipment
HANDSET TYPE 100( Telephone Handset )
This permits voice communication (over the PSTN).
PAPER FEED UNIT TYPE 180( Second Cassette )
A second paper feed unit can be added to the base machine.
BYPASS FEEDER TYPE 180( Multi-purpose Feeder )
A third paper feed unit can be added to the base machine.
FAX EXPANSION CARD TYPE 10
A 1-Mbyte memory card can be added.
FAX EXPANSION CARD TYPE 20
A 1-Mbyte memory card can be added.
PC INTERFACE KIT TYPE 180
This allows you to use the machine as a PC-Printer or PC-Scanner for an IBM or compatible per-
sonal computer. Viewing and editing various fax settings from your PC can be also available.