Epson LQ-870 Service Manual page 50

Front paper insertion entrance
When you insert paper into the front entrance, the printer can use friction feeding, the push tractor,
the pull tractor, or the push and pull tractors to advance the paper. The front paper-out detector senses
when the paper runs out.
Paper-End
Figure 2-14. Pull Tractor Feeding Using the Front Entrance
PF
Sensor
Figure 2-13. Friction Feeding Using the Front Entrance
Paper (Continuous)
Printhead \
Paper-End Sensor (Front)
From Front Insertion
From Front Insertion
2-9
Paper Tension Roller
REV.-A