EPSON Stylus Photo R1800/R2400
Revision B
Operating Principles
Overview
16
2.1 Overview
This chapter explains the operating principles of the mechanical sections and
electrical circuits in this product. The main components of this product are as
follows.
Control circuit board
: C589 MAIN
Power supply circuit board : C589 PSB
Control panel board
: C589 PNL
Control panel B board
: C589 PNL-B
2.2 Printer Mechanism
Like the conventional model, this product uses DC motors and stepping motors
as power sources. The following table describes the motor types and their
applications.
The basic mechanism is almost same as the Stylus Photo R800.
The most major difference is that this Stylus Photo R1800 is equipped with a
dedicated sensor to detect a open or close status of the Front Cover.
This prevents the Print Head from damaging by mistake.
The schematic diagram below shows the printer mechanism.
Figure 2-1. Printer Mechanism Outline
Table 2-1. Motors
Motor Name
Type
Applications/Functions
CR Motor
DC motor with
brushes
Used for carriage driving. Makes little noise
during driving. The CR linear scale and CR
encoder sensor are used to control the motor.
PF Motor
DC motor with
brushes
Drives the Paper loading rollers at the time of
fixed-value paper loading or paper feed/eject
operation. To grasp the paper feed pitch, the
precision gear surface is fitted with the PF scale
and the PF encoder sensor is used to control
the motor.
APG Motor
DC motor with
brushes
Drives the Carriage Unit at the time of PG
setting. The two APG Sensors and Carriage
Shaft are driven vertically to control the motor.
ASF Motor
4-phase, 48-pole
PM type
stepping motor
Drives the paper feed operation of the ASF.
Since this is a stepping motor, any scales or
photo sensors to know the driving conditions are
not required.
Pump Motor
4-phase, 48-pole
PM type
stepping motor
Drives the pump, wiper, etc. of the Ink System.
Since this is a stepping motor, any scales or
photo sensors to know the driving conditions are
not required.
Rear Paper
Eject Roller
Front Paper
Eject Roller
Ink Mark
Sensor
PW Sensor
CR Scale
PF Roller
PF Encoder
Sensor
PF Scale
PF Motor
Carriage
Unit
Ink System
Unit
Pump Motor
CD-R Sensor
Carriage
Shaft
APG Sensors
APG Motor
APF Sensor
Timing Belt
CR Encoder
Sensor
LD Roller
Retard
Roller
PE Sensor
ASF Motor
CR Motor
Содержание R1800 - Stylus Photo Color Inkjet Printer
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 15: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 35: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 68: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 128: ...C H A P T E R 5 ADJUSTMENT ...
Страница 172: ...C H A P T E R 6 MAINTENANCE ...
Страница 181: ...C H A P T E R 7 APPENDIX ...
Страница 193: ...EPSON Stylus Photo R1800 R2400 Revision B Appendix Circuit Diagram 193 C589 MAIN control circuit board 1 ...
Страница 194: ...EPSON Stylus Photo R1800 R2400 Revision B Appendix Circuit Diagram 194 C589 MAIN control circuit board 2 ...
Страница 195: ...EPSON Stylus Photo R1800 R2400 Revision B Appendix Circuit Diagram 195 C589 PSB power supply circuit board ...
Страница 196: ...EPSON Stylus Photo R1800 R2400 Revision B Appendix Circuit Diagram 196 C589 PNL circuit board ...
Страница 197: ...EPSON Stylus Photo R1800 R2400 Revision B Appendix Circuit Diagram 197 C589 PNL B circuit board ...
Страница 198: ...C H A P T E R 8 STYLUSPHOTOR2400 ...