Ricoh DDP 184 User Manual page 172

11. If paper is jammed in the section marked "A" below, loosen the Thumb Screws,
open the Paper Guide C.
12. Remove the jammed paper, then close the Paper Guide C and tighten the Thumb
Screw.
13. Close the IS Cover.
6-28 Care and Maintenance
Paper Guide C
Paper Guide C
Thumb Screw
(Black Knob)