Hitachi IJ RX2 Service Manual page 4

2.17 Touch screen setup ···························································································· 2-44
2.18 Expiration date management of ink and makeup ··············································· 2-45
2.19 Careful Cleaning Setup ······················································································ 2-48
2.20 Logging data ······································································································ 2-51
2.21 Rescue soft ········································································································ 2-57
3. Maintenance of controlling part ··················································································· 3-1
3.1 Construction of controlling part ··········································································· 3-1
3.2 Controller part ···································································································· 3-5
3.2.1 EZJ128 board (controller board) ··································································· 3-5
3.2.2 Battery ·········································································································· 3-8
3.2.3 LCD ··············································································································· 3-9
3.2.4 Touch panel ··································································································· 3-11
3.3 Engine part ············································································································ 3-12
3.3.1 EZJ126 board (MPU board) ············································································ 3-12
3.3.2 Battery ·········································································································· 3-15
3.3.3 Model Key ····································································································· 3-16
3.3.4 Language Key (Option) ················································································· 3-16
3.3.5 Upgrade Key (Option) ··················································································· 3-16
3.3.6 EZJ125 board (Nozzle drive board) ································································ 3-18
3.3.7 EZJ127 board (I/O board) ··············································································· 3-20
3.3.8 EZJ132 board (Ink circulation module connection board) ····························· 3-28
3.3.9 EZJ113 board (Power relay board) ······························································· 3-28
3.3.10 EZJ114 board (LED / SW board) ································································ 3-30
3.3.11 EZJ119A board (Relay output board) (Optional board) ····························· 3-30
3.3.12 EZJ130 board (Software option control board) ············································· 3-32
3.3.13 EZJ129 board (Software option terminal board) ··········································· 3-34
3.3.14 Multiple Power Supply ··············································································· 3-42
3.3.15 High voltage power supply ·········································································· 3-44
3.3.16 DC fan ········································································································· 3-45
3.3.17 IJP LAN Unit (ILU) (Option) ······································································ 3-46
3.3.18 Electrical Connection Diagram ····································································· 3-47
4. Maintenance of Circulation System ··········································································· 4-1
4.1 Structure of Circulation System ············································································· 4-1
4.2 Main Ink Tank Replacement Procedure ································································· 4-5
4.3 Pressure Reducing Valve Replacement Procedure ··············································· 4-7
4.4 Joint Structure and Handling ················································································· 4-9
4.5 Solenoid Valves Replacement Procedure ····························································· 4-11