Major items of this machine are referred to as follows in this manual:
Auto Document Feeder
ADF
LCIT RT5030 (optional)
Large capacity tray (LCT)
LCIT RT5050 (optional)
Wide large capacity tray (Wide LCT)
Z-folding Unit ZF4000 (optional)
Z-folding unit
High Capacity Stacker SK5010 (optional)
Stacker
Perfect Binder GB5000 (optional)
Perfect binder