ContentsContents4.1 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 ...........................................................................................................4-34.3.1 Note on locations prohibited from disassembly........................................................................................................................... 4-34.3.2 Manual carriage movement.......................................................................................................................................................... 4-34.3.3 Units required for draining the ink............................................................................................................................................... 4-44.3.4 Outer covers ................................................................................................................................................................................. 4-44.3.5 Driving unit .................................................................................................................................................................................. 4-84.3.6 Ink tube unit ................................................................................................................................................................................. 4-94.3.7 Carriage unit............................................................................................................................................................................... 4-124.3.8 Feeder unit ................................................................................................................................................................................. 4-154.3.9 Purge unit ................................................................................................................................................................................... 4-154.3.10 Head management sensor ........................................................................................................................................................ 4-164.3.11 Ink tank unit ............................................................................................................................................................................. 4-164.3.12 Boards ...................................................................................................................................................................................... 4-174.3.13 Opening the Caps and Moving the Wiper Unit ....................................................................................................................... 4-184.3.14 Opening and Closing the Ink Supply Valve ............................................................................................................................ 4-194.3.15 Draining the Ink ....................................................................................................................................................................... 4-194.4 Applying the Grease.....................................................................................................................................................4-224.4.1 Applying The Grease ................................................................................................................................................................. 4-224.5 Adjustment and Setup Items ........................................................................................................................................4-244.5.1 Adjustment of head holder tilt lever .......................................................................................................................................... 4-244.5.2 Adjusting Feed Roller Eccentricity............................................................................................................................................ 4-244.5.3 Adjusting the Registration Sensor Optical Axis ........................................................................................................................ 4-244.5.4 Adjusting the Head Management Sensor Optical Axis ............................................................................................................. 4-24