Table Of Contents - Citizen CL-S6621 Technical Manual

2-1. Operation of Each Mechanism ....................................................................................... 2-4
2-1-1. Locations and Functions of Motors, Sensors and Thermal Head ...................... 2-4
(1)
(2)
2-1-2. Media Feed Mechanism..................................................................................... 2-6
2-1-3. Label/Tag Detection Mechanism ........................................................................ 2-7
2-1-4. Printing and Ribbon Feed Mechanism ............................................................... 2-10
2-1-5. Print Head Up/Down Detection Mechanism....................................................... 2-13
2-1-6. Paper Near End Detection Mechanism.............................................................. 2-14
2-1-7. Head Balance Adjustment Mechanism .............................................................. 2-15
2-1-8. Media Offset Adjustment Mechanism................................................................. 2-16
2-1-9. Transparent/Reflective Sensor Travelling Mechanism ....................................... 2-17
2-2. Operation of Control Parts .............................................................................................. 2-18
2-2-1. Configuration of Printer ...................................................................................... 2-18
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
2-2-2. Memory map ...................................................................................................... 2-22
2-2-3. Sensors .............................................................................................................. 2-23
(1)
(2)
(3)
(4)
(5)
(6)
(7)
2-2-4. Drivers................................................................................................................ 2-31
(1)
(2)
(3)
(4)
(5)
2-2-5. Other circuits ...................................................................................................... 2-36
(1)
(2)
(3)
CL-S6621
CHAPTER 2 OPERATING PRINCIPLES

TABLE OF CONTENTS

"Unit, Ribbon" section ................................................................................ 2-4
Printing section .......................................................................................... 2-5
AC power supply ....................................................................................... 2-19
SA, Main PCB............................................................................................ 2-19
Operation panel (SA, Opepane PCB)........................................................ 2-20
Thermal print head (SA, Head).................................................................. 2-20
Sensors ..................................................................................................... 2-20
Motors........................................................................................................ 2-20
SA, Ribbon PCB ........................................................................................ 2-20
SA, Relay PCB .......................................................................................... 2-21
Optional I/F ................................................................................................ 2-21
Head up switch .......................................................................................... 2-23
Transparent sensor and reflective sensor ................................................. 2-24
Ribbon Sensor F/R .................................................................................... 2-26
Head temperature sensor.......................................................................... 2-27
PF motor temperature sensor.................................................................... 2-28
Ribbon motor temperature sensor............................................................. 2-29
Paper Near End sensor ............................................................................. 2-30
PF motor driver.......................................................................................... 2-31
Ribbon motor driver ................................................................................... 2-32
Head driver ................................................................................................ 2-33
Buzzer driver ............................................................................................. 2-35
Fan driver .................................................................................................. 2-35
Power supply circuit................................................................................... 2-36
Reset circuit............................................................................................... 2-37
Clock circuit ............................................................................................... 2-37
2-2