Toshiba 4580, Руководство по обслуживанию

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Mar. 1999 © TOSHIBA TEC 15 - 7A 8070/6570/5570/4580 ADU
15.3.2 Duplex copy (re-feed) operation
When the first sheet of paper is stacked, the pick-up roller located on the bottom side of the stack section
rotates by the ADU feed clutch to feed paper out to the ADU feed roller section. If two or more sheets are
fed out during this operation, the ADU separation belt rotates in the reverse direction to draw the upper
sheet(s) back onto the stack section. The ADU feed roller and ADU separation belt are driven by the ADU
feed clutch.
The holding gate also rotates at the same time as the pick-up roller, and functions to hold the paper on
the stack section. After the paper is fed out, it passes through the ADU aligning roller, is detected by the
position detector switch located in the transport section, and stops temporarily at the transport section
(initial alignment operation).
When paper stacking ends, the paper that has been initially aligned is fed to and aligned by the aligning
roller of the copier, and copies are made on the side opposite to the initially copied side. Paper that has
been copied on both sides passes over the ADU/exit switching gate that is already positioned in the exit
direction, and is output to the copy tray by the exit roller.
The paper on the stack section is fed successively from the bottom side. This operation is repeated until
all stacked paper is copied.
Separation belt
ADU feed switch
ADU aligning
switch
ADU aligning roller
ADU feed roller
Pick-up roller
Holding gate
Aligning roller
Position detection switch 1
Position detection switch 2
ADU/exit switching gate
Exit roller