Waste unit for use with ricoh spc430dn, spc431dn, spc435dn, spc440dn. This is a OEM OTHER RICOH brand WASTE UNIT Supply (WASTE UNIT) that works with the following printers / machines (SPC430DN, SPC431DN, SPC435DN, SPC440DN). Product Features: Compatible with: Ricoh SP C430DN, SP C431DN, SP C431DNHT, SP C431DNHW, SP C435DN, SP C440DN Duty Cycle: Up to 50000 pages Printing Technology: Laser Product Description: Ricoh - waste toner collector Product Type: Waste toner collector. WASTE UNIT. SPC430DN, SPC431DN, SPC435DN, SPC440DN. OEM RICOH Brand.