Service manual

Rev. 2.00

- 135 -

SRP-275

8-4 Auto cutter mechanism

When the Auto cutter motor set drives the worm gear so that it rotates in the direction of arrow A, the

rotational force is transferred to the Gear-AC worm wheel and Gear-AC gear pulley (Belt drive pulley).

Each gear rotates in the direction of arrow. In accordance with rotation of the Gear-AC gear pulley (Belt

drive pulley), belt moves in direction of arrow B. The AC upper cutter guide ass’y is connected on the belt

so that it moves in direction of arrow C. When the circular cutter moves on the lower cutter, the paper is cut.

Gear-AC worm

Gear-AC worm wheel

Gear-AC gear pulley

Motor-DC

Power-AC-timing belt

Home position sensor

Home position

Circular cutter

Cutting position

AC upper cutter guide ass’y

Shaft-AC-shaft guide

Belt pulley

Belt drive pulley