Service manual

TABLE OF CONTENTS
PRODUCT SPECIFICATION
1.1 SPECIFICATION .....................................................................................1-0
1.2 OPERATION............................................................................................1-0
1.2.1 Control panel.................................................................................................1-0
1.2.2 Switches.........................................................................................................1-0
1.2.2.1 Usual Operation...................................................................................1-0
1.2.2.2 Operations at Power-on.......................................................................1-0
1.2.3 Indicators ( LEDs ) ........................................................................................1-0
1.2.4 Buzzer ............................................................................................................1-0
1.2.5 Default setting mode 1..................................................................................1-0
1.2.5.1 Setting Method.....................................................................................1-0
1.2.5.2 Setting Items........................................................................................1-0
1.2.6 Default Setting Mode 2..................................................................................1-0
1.2.6.1 Setting Items........................................................................................1-0
1.2.7 EEPROM Clear Function...............................................................................1-0
1.2.8 Bi-D Adjustment ............................................................................................1-0
OPERATING PRICIPLES
2.1 MAIN COMPONENTS.............................................................................2-0
2.1.1 C229MAIN Board ...........................................................................................2-0
2.1.2 C229PSB/PSE Board.....................................................................................2-0
2.2 PRINTER MECHANISM..........................................................................2-0
2.2.1 Printhead........................................................................................................2-0
2.2.2 Paper Feed Mechanism ................................................................................2-0
2.2.3 Carriage Movement Mechanism...................................................................2-0
2.2.4 Tractor Feed Mechanism..............................................................................2-0
2.2.5 Platen Gap Adjustment Mechanism ............................................................2-0
2.2.6 Ribbon Feed Mechanism..............................................................................2-0
2.3 CIRCUIT OPERATION............................................................................2-0
2.3.1 C229PSB/PSE Power Supply Circuit ...........................................................2-0
2.3.2 C229MAIN Board Circuit...............................................................................2-0