3BN/3A4
2-1-3
(2) Switchback operation in duplex mode
In duplex mode, when the rear face of the paper is copied, the paper is conveyed to the feedshift section in the same
manner as in sort mode. When the trailing edge of the paper passes the paper conveying switch (PCSW), the paper
conveying motor (PCM) reverses, rotating the feedshift roller in the reverse direction to switch back the paper into the
duplex unit.
Feedshift roller
(PCM: Fwd. rotation)
PCSW: ON
Feedshift roller
(PCM: Rev. rotation)
PCSW: OFF
Figure 2-1-4
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