Separation Of Paper - Toshiba e-STUDIO350 Service Manual

9.2.3 Separation of paper

The separation roller in this equipment works to
separate the sheets of paper being fed. The sepa-
ration roller section consists of the feed roller, sepa-
ration roller, spring joint, etc. The feed roller rotates
in the direction of the white arrow (shown below in
the figure at right) at the same timing as the pickup
roller rotation when the feed clutch is turned ON.
When two sheets of paper are transported (shown
above in the figure at right), the lower sheet is
braked by the separation roller and not transported
any further and the upper sheet is transported in
9
the direction of black arrow since the frictional force
between two sheets is small.
(Example)
When only one sheet enters into the separation
roller section:
Since the transporting force of the feed roller is
greater than the braking force of the separation
roller, these two rollers rotate together to transport
the sheet to the registration roller.
When two sheets enter into the separation roller
section:
Since the transporting force of the feed roller and
the breaking force of the separation roller are
greater than the frictional force between two sheets,
the sheet A is transported in the direction of the
black arrow and the sheet B is braked by the sepa-
ration roller and is not transported any further.
e-STUDIO350/450 PAPER FEEDING SYSTEM
Feed roller
Fig. 9-203
Fig. 9-204
9 - 6
Spring joint
Separation roller
Feed roller
Separation roller
November 2003 © TOSHIBA TEC