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2.2.5 Paper Feed Mechanism
The line feed on the print paper is driven by the LF motor (pulse motor) and done by rotating the
sheet feeder and feed roller.
(1) Front tractor
The rotation of the LF motor rotates the drive shaft through the LF gear, change gear and front
tractor drive gear, driving the pin belt of the front tractor Assy. This feeds a continuous paper
set on the pin belt. Simultaneously, this drives the feed roller F/R through the mini-pitch belt
following LF gear to carry the in synchronization with the tractor.
Feed Roller Rear
Feed Roller Front
Feed Roller Front
Drive shaft
Front tractor Assy
LF motor
(Pulse motor)
Change gear
Front tractor drive gear
Feading direction of paper
Figure 2.27
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