Ricoh DDP92 Maintenance Manual page 164

(4.) The second and subsequent sets of paper are conveyed and stacked.
1.) The first page stops in the stacker entrance with the by-pass gate opened.
The stacker entrance roller stops to wait for the previous stack to be exited.
2.) The by-pass gate is closed and the second page is stacked on top of the
first.
3.) Once the previous stack has exited, the stack entrance roller rotates and
the first and second pages are simultaneously sent to the stacker.
* The above steps (1) to (3) are for paper to a maximum of A4 size.
4.) The stacker section roller sends the paper to the flat-stapling stopper and
the paper is lined up in the lengthwise direction.
5.) The upper alignment plate lines up paper in the widthwise direction.
6.) When all paper is conveyed to the stacker, the paper is stapled.
7.) The second and subsequent sets are conveyed by the paper exit arm and
the paper is exited to the main tray.
Figure 7-11. View of the Staple Mode
M M L 0 0
7-9
Theory of Operation