Canon W6400 Series Service Manual page 126

Contents
6.1.4.31 E02F00/ System controller internal error ................................................................................................................................................... 6-13
6.1.5 Troubleshooting When Service Call Errors Occur .................................................................................................................... 6-13
6.1.5.1 Outline .......................................................................................................................................................................................................... 6-13
6.1.5.2 Printhead error! (E04000) ............................................................................................................................................................................. 6-13
6.1.5.3 Scale read error! (E04002)............................................................................................................................................................................ 6-13
6.1.5.4 Turn Power Off!! (S04010) .......................................................................................................................................................................... 6-13
6.1.5.5 Turn Power Off!! (E02777) .......................................................................................................................................................................... 6-14
6.2 Connector Positions and Pin Arrangement ................................................................................................................. 6-15
6.2.1 System Controller ...................................................................................................................................................................... 6-15
6.2.2 Engine Controller....................................................................................................................................................................... 6-18
6.2.3 Carriage Relay PCB................................................................................................................................................................... 6-26
6.2.4 Head Relay PCB ........................................................................................................................................................................ 6-30
6.2.5 Power Supply ............................................................................................................................................................................. 6-33
6.2.6 Printhead .................................................................................................................................................................................... 6-34
6.3 Version Up .................................................................................................................................................................. 6-37
6.3.1 Firmware Update Tool............................................................................................................................................................... 6-37
6.4 Service Tools............................................................................................................................................................... 6-38
6.4.1 List of Tools............................................................................................................................................................................... 6-38
6.4.2 Using the Cover Switch Tool..................................................................................................................................................... 6-38