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3. Pull Tractor Method
The pull tractor advances paper in basically the same way as the push tractor. The push tractor is installed at
the paper entrance and pushes paper into the printer. On the other hand, the pull tractor is installed at the
paper exit and pulls paper out of the printer mechanism. As a result, the paper tension unit is not required.
Figure 2-8 illustrates pull tractor operation when paper is fed through the bottom paper entrance.
Figure 2-8 Pull Tractor Operation Using the Bottom Paper Entrance
Operating Principles FX-2170 Service Manual
2-8 Rev.A