9

9.2.3 Separation of paper

The separation roller in this equipment works to separate the sheets of paper being fed. The sep- aration roller section consists of the feed roller, separation 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 transport- ed any further and the upper sheet is transported in 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 trans- port 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 separation roller and is not transported any further.

Feed roller

Spring joint

Separation roller

Fig. 9-203

Feed roller

Separation roller

Fig. 9-204

e-STUDIO350/352/353/450/452/453

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© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved

PAPER FEEDING SYSTEM

 

 

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Toshiba 452, 453, 350, 353 service manual Separation of paper, Feed roller
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350, 353, 453, 452 specifications

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