Paper Paths - Epson 2070 - LQ B/W Dot-matrix Printer Service Manual

LQ-2070 Service Manual

2.1.5 Paper Paths

This section describes various paper paths through the printer mechanism. These paper paths are divided into
four groups, depending on which entrance (top, rear, bottom, or front) is used to feed paper. The printer has
two PE (paper end) sensors. The front PE sensor is located in front of the printer mechanism. The rear PE
sensor is located behind the printer mechanism. See the figure below.
Paper Drive Roller
1. Top Entrance
Figure 2-12 shows the paper path for friction feed using the top entrance. The top entrance is only used with
the friction feed method. When the top entrance is used, the rear PE sensor detects when the paper is out.
Rev.A
Printhead
Front Paper Guide
Front PE Sensor
Up
Paper Eject Drive Roller
(Paper Eject Assembly)
Platen
Platen Cover
Middle
Paper Guide
Rear PE
Sensor
Rear Driven PF Roller
Front Driven PF Roller
Lower Driven PF Roller
Up
Operating Principles
2-11