6.1 Troubleshooting .............................................................................................................................................................6-1

6.1.1 Outline.......................................................................................................................................................................................... 6-1

6.1.1.1 Outline of Troubleshooting .............................................................................................................................................................................6-1

6.2 Location of Connectors and Pin Arrangement...............................................................................................................6-1

6.2.1 Main controller PCB .................................................................................................................................................................... 6-1

6.2.2 Carriage relay PCB .................................................................................................................................................................... 6-11

6.2.3 Head relay PCB.......................................................................................................................................................................... 6-16

6.3 Version Up ...................................................................................................................................................................6-20

6.3.1 Firmware Update Tool ............................................................................................................................................................... 6-20

6.4 Service Tools................................................................................................................................................................6-21

6.4.1 Tool List..................................................................................................................................................................................... 6-21

Contents

Table of Contents