Ricoh FT4460, Service Manual, Page: 132 / 413

28 February 1989
11.4 SINGLE DUPLEX/OVERLAY TIMING
Single Overlay Copy/Single Duplex Copy Mode
T1: The jogger fences move to the home position when the start key is
pressed.
T2: The duplex/overlay transport clutch, the duplex/overlay transport
solenoid, and the inverter gate solenoid (single overlay copy mode) are
turned on when the fusing exit sensor detects the leading edge of the
paper. The jogger fences move into position 10mm from the paper’s
edge.
T3: The inverter solenoid is de-energized 0.07 seconds after the inverter
sensor detects the trailing edge of the paper.
T4: The duplex/overlay transport clutch turns off to align the paper by the
jogger fences 0.84 seconds after the inverter relay sensor detects the
trailing edge of the paper.
T5: The jogger motor moves the jogger fences into straighten the paper. At
this time the positioning roller solenoid is energized to lift the positioning
roller plates up out of the way.
T6: The Duplex/Overlay transport clutch turns on, forwarding the paper to
prepare for the next image cycle.
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