Ricoh VT3500, Руководство по обслуживанию

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3.3 MASTER FEEDING MECHANISM
The drum rotates 218.5 degrees past the second drum position sensor and
stops. At this time, the magnetic clutch [A] behind the reverse roller [L] and
the master feed motor [H] turns on. The rotation of the master feed motor [H]
is transmitted to the platen roller [E] through the belt [G] and the gear/pulley
[F]. The platen roller then feeds the master and presses it against the thermal
head [K]. Also, the rotation of the gear/pulley [F] is transmitted to a gear [J]
through the relay gear [I] to drive the upper feed roller [D] and the lower feed
roller [C] for master feeding.
When the magnetic clutch [A] turns on, the rotation of the upper feed roller
[D] is transmitted to the reverse roller [L] through the relay gears [B], thus
feeding the master. Also, the master is directed down to the clamper [N] of
the drum by the reverse guide [O]. The counter rollers [M] are to prevent the
leading edge of the master from wrapping around the reverse roller [L].
After the master is fed 59.5 millimeters, the magnetic clutch [A] turns off and
the reverse roller [L] stops. Then, after the master is fed another 5
millimeters, the master feed clamper solenoid turns off because the master’s
leading edge has already reached the clamper [N].
[A]
[B]
[C]
[D]
[E]
[K]
[I]
[F]
[L]
[M]
[O]
[J]
[G]
[H]
[N]
[M]
[L]
1 December 1993
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