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CBM-710/720 Service Manual
23
2)-3 Movable blade mechanism
The movable blade is changed into a linear motion by the crank pins and starts cutting the recording
paper.
(1) Full cut
Cam
Switch
Cutter Gear
Fig. 2 Fig. 3
Blade
Crank Pin
Fig. 4
At full cut, the crank pins turn one time and return to the home position. The movable blade moves 12
mm.
(2) Partial cut
Fig. 5
At partial cut, the crank pins go into reverse at the moment they receive the switch signal and return to
the home position. The movable blade moves 9 mm.