Contents4.1 Service Parts ..............................................................................................................................................4- 14.1.1 Service Parts ........................................................................................................................................................... 4- 14.2 Disassembly/Reassembly...........................................................................................................................4- 24.2.1 Disassembly/Reassembly ....................................................................................................................................... 4- 24.3 Points to Note on Disassembly and Reassembly .......................................................................................4- 54.3.1 Note on locations prohibited from disassembly ....................................................................................................... 4- 54.3.2 Moving the carriage manually.................................................................................................................................. 4- 54.3.3 Units requiring draining of ink .................................................................................................................................. 4- 54.3.4 External Covers ....................................................................................................................................................... 4- 64.3.5 Drive Unit............................................................................................................................................................... 4- 134.3.6 Carriage Unit ......................................................................................................................................................... 4- 144.3.7 Ink Tube Unit ......................................................................................................................................................... 4- 184.3.8 Feeder Unit............................................................................................................................................................ 4- 204.3.9 Purge Unit.............................................................................................................................................................. 4- 214.3.10 Ink Tank Unit........................................................................................................................................................ 4- 224.3.11 Linear Encoder .................................................................................................................................................... 4- 254.3.12 Head Management Sensor.................................................................................................................................. 4- 264.3.13 PCBs.................................................................................................................................................................... 4- 274.3.14 Opening the cap and moving the wiper unit ........................................................................................................ 4- 284.3.15 Opening and closing ink supply valves................................................................................................................ 4- 294.3.16 Draining the ink.................................................................................................................................................... 4- 304.4 Applying the Grease .................................................................................................................................4- 314.4.1 Applying the Grease .............................................................................................................................................. 4- 314.5 Adjustment and Setup Items ....................................................................................................................4- 344.5.1 Adjustment Item List .............................................................................................................................................. 4- 344.5.2 Procedure after Replacing the Carriage Unit or Multi Sensor ............................................................................... 4- 344.5.3 Procedure after Replacing the Feed Roller or Feed Roller Encoder ..................................................................... 4- 344.5.4 Procedure after Replacing the Head Management Sensor................................................................................... 4- 34Chapter 5 MAINTENANCE5.1 Periodic Replacement Parts .......................................................................................................................5- 15.1.1 Periodic Replacement Parts .................................................................................................................................... 5- 15.2 Consumable Parts ......................................................................................................................................5- 15.2.1 Consumable Parts ................................................................................................................................................... 5- 15.3 Periodic Maintenance .................................................................................................................................5- 25.3.1 Periodic Maintenance .............................................................................................................................................. 5- 2Chapter 6 TROUBLESHOOTING6.1 Troubleshooting ..........................................................................................................................................6- 16.1.1 Outline ..................................................................................................................................................................... 6- 16.1.1.1 Outline of Troubleshooting....................................................................................................................................................... 6- 16.2 Location of Connectors and Pin Arrangement............................................................................................6- 16.2.1 Main controller PCB................................................................................................................................................. 6- 16.2.2 Carriage relay PCB................................................................................................................................................ 6- 126.2.3 Head relay PCB..................................................................................................................................................... 6- 216.3 Version Up ................................................................................................................................................6- 296.3.1 Firmware Update Tool ........................................................................................................................................... 6- 296.4 Service Tools ............................................................................................................................................6- 306.4.1 Tool List ................................................................................................................................................................. 6- 30Chapter 7 SERVICE MODE7.1 Service Mode..............................................................................................................................................7- 17.1.1 Service Mode Operation.......................................................................................................................................... 7- 1