Vertical Print Positioning Mechanism - Riso RN SERIES Technical Manual

CHAPTER 5. SECOND PAPER FEED SECTION

VERTICAL PRINT POSITIONING MECHANISM

2. Vertical Print Positioning Mechanism
Pressing the <
which rotates the Print positioning adjuster cam [B] to move the Print positioning plate ass'y [C].
The Print positioning plate ass'y [C] motion moves the Print positioning lever ass'y [E], changing the
timing with the main cam.
The second paper feed (timing roller rotation start) timing is thus changed, changing the vertical printing
position.
The Vertical centering sensor [D] checks the centering of the print positioning.
D
A: Print-positioning pulse motor
B: Print-positioning cam (with the spiral groove on its back side)
C: Print-positioning plate ass'y
D: Vertical centering sensor
E: Print-positioning lever ass'y
> or < > print position keys on the panel activates the Print positioning pulse motor [A],
C
RN (Version 1.0)
B
5 – 4
A