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Epson STYLUS NX100/NX105/SX100/SX105/TX100/TX101/TX102/TX103/TX105/TX106/TX109/ME 300 Revision A
OPERATING PRINCIPLES Overview 24
Confidential
2.1 Overview
This chapter describes the mechanism of Epson STYLUS NX100/NX105/SX100/
SX105/TX100/TX101/TX102/TX103/TX105/TX106/TX109/ME 300.
2.1.1 Printer Mechanism
Epson STYLUS NX100/NX105/SX100/SX105/TX100/TX101/TX102/TX103/
TX105/TX106/TX109/ME 300 printer mechanism consists of printhead, carriage
mechanism, paper loading mechanism, paper feed mechanism, and ink system.
As the conventional models, Epson STYLUS NX100/NX105/SX100/SX105/TX100/
TX101/TX102/TX103/TX105/TX106/TX109/ME 300 is equipped with two DC
motors; one is used to drive the paper loading, paper feed mechanisms, and the pump
mechanism that includes the carriage lock mechanism, and another one is used to drive
the carriage mechanism. A paper is fed from the rear ASF unit by means of the LD
roller and Retard roller and ejected to the front tray.
Figure 2-1. Printer Mechanism block diagram
Compression
Spring
LD Roller
Retard Roller
Lever Pick Clutch
PE Sensor
PF Motor
Cap Assy
Carriage Unit
CR Encoder
Sensor
PF Roller
CR Timing Belt
EJ Roller
Wheel Star Metal
PF ScalePF Encoder Sensor
CR Motor
CR Scale
Wheel Star Exit
Pump Assy