OKIDATA OKIPAGE 20, Service Manual

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(a) Hopping from the 1st Tray
(1) Hopping
Rotating the Hopping Motor in direction a (CW) drives the 1st Hopping Roller and the Sub Roller then pick
up a sheet of paper in the 1st tray. The Main Motor is always driven in direction c (CCW) on printing. After
the paper fed approx. 30mm from the tray, the Clutch (Feed) drives the Align Roller to advance the paper
until the Inlet Sensor turns off.
(2) Aligning
After turning on the Inlet Sensor, the paper fed by a predetermined length and choked up to the wedge
space formed by the Regist Roller and the Pressure Roller so that to align the skew of paper.
(3) During the paper fed from the 1st tray, the build in clutch of Gear C is idled and not to drive the Front
Hopping Roller.
(4) Feeding
After aligned the paper, the Hopping Motor turned off and stop hopping. Also the Clutch (Feed) turned off
and the Align Roller idled freely. Then Clutch (Regist) turned on and the Regist Roller start to feed the
paper. After the paper fed, the 1st Hopping Roller is freely idled by releasing build in one way clutch, also
the Sub Roller is freely idled by escaping the Planet Gear.
(5) Start printing. after the paper turns off the Write Sensor.