Riso RZ9 Series Technical Manual page 177

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CHAPTER 6: SECOND PAPER FEED SECTION

DANKA AUSTRALIA PTY. LTD.

At print drum Position-A

Guide roller

When the print drum comes to its position-

A, the G-lever is pushed down by the timing

cam and the guide roller is raised up. The

guide roller is disengaged from the timing

G-lever assembly

Timing roller

Guide roller pressure spring

First paper feed starts

When the first paper feed starts by the

rotation of the rotation of the scraper roller

and pickup roller, the leading edge of the

paper arrives to the second paper feed area,

between the At this point, the timing cam

no longer pushes the G-lever and the guide

roller pressure spring pulls the guide roller

down against the timing roller, reventing the

paper to go any further into the machine.

Second paper feed starts

Sector gear cam

When the first paper feed operation ends,

the rotation of the sector gear cam swings

the sector gear assembly in the clockwise

direction. The clockwise swing of the

sector gear drives the timing roller. The

timing roller drives the guide roller with the

paper clamped in between, sending the

paper onto the printing area.

Sector gear assembly

[ 6 - 3 ] - Rev. 0.2

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