Epson Stylus OFFICE B30 - Overview; Printer Mechanism

EPSON Stylus C110/C120/D120/WorkForce 30/EPSON Stylus OFFICE B30/T30/T33/ME OFFICE 70 Revision C
OPERATING PRINCIPLE Overview 21
Confidential
2.1 Overview
This section describes the operating principles of the Printer Mechanism.
EPSON Stylus C110/C120/D120/WorkForce 30/EPSON Stylus OFFICE B30/T30/
T33/ME OFFICE 70 employs a newly developed printer mechanism. The following
sections explain about the major components of the new printer mechanism.
2.1.1 Printer Mechanism
EPSON Stylus C110/C120/D120/WorkForce 30/EPSON Stylus OFFICE B30/T30/
T33/ME OFFICE 70 printer mechanism consists of printhead, carriage mechanism,
paper loading mechanism, paper feed mechanism, and ink system.
As the conventional models, EPSON Stylus C110/C120/D120/WorkForce 30/EPSON
Stylus OFFICE B30/T30/T33/ME OFFICE 70 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
Clutch
Mechanism
PE Sensor
PF Motor
Ink System
Carriage
Unit
CR Encoder
Sensor
PF Roller
Timing Belt
EJ Roller
Star Wheel
Roller
PF ScalePF Encoder Sensor
CR Motor
Cover Open
Sensor
Change Lever