Toshiba e-STUDIO556 Service Manual page 146

Multifunctional digital systems

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Driving of Exit/Reverse section

The paper feeding roller in the exit/reverse section is driven by the following mechanism.

Exit motor (G19) → Gears (G21, G20, G19) → Exit roller

Reverse motor (T21) → Timing belt and Pulleys (T23, T23) → Reverse path roller

The paper from the fuser unit is transported to the reverse path by the exit/reverse gate, which is

usually directed toward the reverse path and switched by the gate solenoid (SOL2) only when the

reverse operation is not carried out.

When the trailing edge of the paper has passed through the fuser transport sensor (S9), the paper

transport speed at the reverse path is switched to a high one and switched back in a specified time after

that. The paper is transported to the exit roller with keeping the high speed and discharged to the

outside of the equipment. When carrying out a duplex printing, the paper switched back at the reverse

path is transported to the horizontal transport section, which is under the transfer/transport unit and

switches the paper transport speed to a normal one at this time, and it is again transported to the

transfer section and fused there. Then, after the duplex paper has passed through the fuser unit and

the exit/reverse gate has been switched, it is discharged to the outside of the equipment by the exit

roller without being transported to the reverse path.

e-STUDIO556/656/756/856/557/657/757/857

OUTLINE OF THE MACHINE