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5 - 2 2. SERVICE TOOLS
5 - 2 2.1 List of Tools
5 - 3 3. APPLYING GREASE
5 - 6 4. DISASSEMBLY/ASSEMBLY
5 - 6 4.1 About Disassembly/Assembly
5 - 6 4.2 Precautions for Disassembly/Assembly
5 - 6 4.2.1 Unlocking the carriage
5 - 7 4.2.2 Disassembly prohibited parts
5 - 8 4.2.3 Purge unit tubes
5 - 8 4.2.4 Screw fastening of idle pulley ass'y
5 - 9 4.3 Logic Board Replacement
5 - 9 4.3.1 Except for EEPROM replacement
5 - 9 4.3.2 EEPROM replacement
5 -10 4.4 Waste Ink Absorber Replacement
5 -11 5. ADJUSTMENT
5 -11 5.1 Adjustment Locations
5 -11 5.1.1 EEPROM (IC501) and waste ink absorber
5 -11 5.1.2 Adjusting the printing position of BJ cartridges
5 -11 5.1.3 Carriage belt tension adjustment
5 -12 6. TROUBLESHOOTING
5 -12 6.1 Overview of Troubleshooting
5 -12 6.1.1 Definition
5 -12 6.1.2 Precautions for troubleshooting
5 -13 6.2 Error Condition Diagnosis
5 -13 6.2.1 Diagnosis flowchart
5 -16 6.2.2 Error recovery
5 -32 7. CONNECTOR POSITION & SIGNAL ASSIGNMENT
5 -32 7.1 Logic Board
5 -38 7.2 Carriage Board
5 -42 7.3 Panel Board
5 -42 7.4 Carriage Driver Board
5 -43 7.5 Upper Cassette Board
5 -44 7.6 Lower Cassette Board 1
5 -45 7.7 Lower Cassette Board 2
5 -46 7.8 Fan Board
5 -47 7.9 Power Supply Unit
5 -48 8. CIRCUIT DIAGRAMS
5 -48 8.1 Parts Layout
5 -48 8.1.1 Logic board
5 -50 8.1.2 Carriage board
5 -51 8.1.3 Panel board
5 -53 8.2 Circuit Diagrams
5 -53 8.2.1 Logic board
5 -65 8.2.2 Carriage board
5 -68 8.2.3 Carriage driver board
5 -69 8.2.4 Ink sensor/Fan board
5 -70 8.2.5 Panel board
5 -71 8.2.6 Upper cassette board
5 -72 8.2.7 Lower cassette board
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