Table Of Contents - Citizen CL-E700 series Technical Manual

Chapter 2 Operating Principles
2-1. Operation of Each Mechanism ....................................................................................... 2-5
2-1-1. Locations and Functions of Major Electrical Parts ............................................. 2-5
(1) "Unit Ribbon" section ................................................................................. 2-5
(2) Printing section .......................................................................................... 2-6
2-1-2. Media Feed/Printing Mechanism........................................................................ 2-7
2-1-3. Label/Tag Detection Mechanism ........................................................................ 2-8
2-1-4. Ribbon Feed Mechanism ................................................................................... 2-11
2-1-5. Ribbon Running Detection Mechanism.............................................................. 2-14
2-1-6. Print Head Up/Down Detection Mechanism....................................................... 2-15
2-1-7. Head Balance Adjustment Mechanism .............................................................. 2-16
2-1-8. Media Thickness Adjustment Mechanism .......................................................... 2-17
2-2. Operation of Control Parts .............................................................................................. 2-18
2-2-1. Configuration of Printer ...................................................................................... 2-18
(1) Filter & power supply section..................................................................... 2-18
(2) SA Main PCB............................................................................................. 2-18
(3) Operation panel (SA Opepane PCB) ......................................................... 2-18
(4) Thermal print head .................................................................................... 2-19
(5) Sensors ..................................................................................................... 2-19
(6) Motors........................................................................................................ 2-19
(7) USB I/F (USB2.0 compatible full-speed mode/high-speed mode)............. 2-19
(8) Wired LAN I/F ............................................................................................ 2-19
(9) Serial I/F (RS-232C) (Option) .................................................................... 2-19
(10) Parallel I/F (IEEE1284) (Option)................................................................ 2-19
(11) Wireless LAN I/F (Option).......................................................................... 2-20
2-2-2. Operation of Control Unit ................................................................................... 2-20
(1) CPU ........................................................................................................... 2-21
(2) Flash ROM ................................................................................................ 2-21
(3) SDRAM (Synchronous dynamic RAM)...................................................... 2-21
(4) FPGA......................................................................................................... 2-21
(5) Head control .............................................................................................. 2-21
(6) Stepping motor driver (For "SA PF Motor")................................................ 2-21
(7) Stepping motor driver (For "SA Ribbon Motor F")...................................... 2-21
(8) Buzzer ....................................................................................................... 2-21
(9) DC Fan (SA Fan) ....................................................................................... 2-21
2-2-3. Memory map ...................................................................................................... 2-22
2-2-4. Sensors .............................................................................................................. 2-23
(1) Head up sensor (SA Head Up Sensor PCB) ............................................. 2-23
(2) Transparent sensor (SA TRA Sen PCB) and reflective sensor
(SA Ref Sensor PCB) ................................................................................ 2-24
(3) Head temperature sensor.......................................................................... 2-26
(4) PF motor temperature sensor.................................................................... 2-27
(5) Ribbon motor temperature sensor............................................................. 2-29
CL-E700 series
CHAPTER 2 OPERATING PRINCIPLES

TABLE OF CONTENTS

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