Epson Stylus C79 User Manual

Epson Stylus C58/C59/ME 2/C79/D78/C90/C91/C92/D92/T20/T20E/T23/T26/S20/T10/T11/ME 30/T21/T24/T27/S21 Revision E
OPERATING PRINCIPLES Overview 22
Confidential
2.1 Overview
This section describes the operating principles of the printer mechanism and electrical
circuit boards. The printer mechanism does not differ between the Epson Stylus C58/
C59/ME2 and Epson Stylus C79/D78/C90/C91/C92/D92/T20/T20E/T23/T26/S20/
T10/T11/Me 30/T21/T24/T27/S21.
2.2 Printer Mechanism
Printer mechanism of Epson Stylus C58/C59/ME 2 and Epson Stylus C79/D78/C90/
C91/C92/D92/T20/T20E/T23/T26/S20/T10/T11/ME 30/T21/T24/T27/S21 consists of
printhead, carriage mechanism, paper loading/feeding mechanism, and ink system.
As in the case of conventional models, Epson Stylus C58/C59/ME 2 and Epson Stylus
C79/D78/C90/C91/C92/D92/T20/T20E/T23/T26/S20/T10/T11/ME 30/T21/T24/T27/
S21 has two motors; one is a stepping motor for paper loading/feeding mechanism, and
the other is a DC motor for carriage mechanism.
Papers are fed from the backside and ejected from the front side of the printer.
Paper feeding mechanism feeds papers using the LD roller and the retard roller.
Figure 2-1. Printer Mechanism Outline
PF motor
Carriage unit
CR motor
Pump unit
Clutch
Cam, large
Compression
spring
LD roller
Cam, small
CR encoder
sensor
CR timing belt
PF roller
PE sensor
Star wheel
rollers
Paper eject
roller
CR lock lever
Cap unit
Retard roller

Epson Stylus C79 Specifications

General

Brand	Epson
Model	Stylus C79
Category	Printer
Language	English