Hitachi PB Manuals

Hitachi PB Manuals

Manuals and User Guides for Hitachi PB. We have 1 Hitachi PB manual available for free PDF download: Service Manual

Hitachi PB Service Manual

Hitachi PB Service Manual (153 pages)

Brand: Hitachi | Category: Printer | Size: 2 MB

Table of Contents

Table of Contents

8
- Safety Precautions
  2
- Introduction
  11
- Safety Precautions
  11
- Structure of each Part in the Main Body
  12
- External Views
  12
- Main Body Internal
  13
- Print Head
  14
- Installation
  15
- Wiring of Power Supply
  15
- Installation Procedure
  17
- Maintenance Work
  18
- Setting of Maintenance Mode by Service Personnel
  18
- System Environment Setup
  20
- Adjustment/Operational Checkout
  22
- Excitation Adjustment
  22
- Charging Voltage Confirmation
  24
- Phase Margin Test
  25
- Auto Phase Gain Adjustment
  27
- Level Sensor Confirmation
  29
- Heating Unit Confirmation
  30
- Test of Solenoid Valve/Pump
  31
- Download
  32
  - Turn Power on
    33
- Calibration of Viscometer
  35
  - System Reset
    38
- System Initialization
  38
- Data Copy
  39
- Unit Information
  42
- Handling Warning for "Product Speed Matching Error
  43
- Language Change
  44
- Fault / Warning Log
  46
- Maintenance of Controlling Part
  47
- Construction of Controlling Part
  47
- Controller Part
  47
- EZJ102 Board (Controller Board)
  48
- Battery
  48
- EZJ93 Board (MPU Board)
  48
  - Controller Part
    49
  - User Mode
    50
  - Battery Function
    52
  - Control Panel 【Function
    53
  - Engine Part
    54
- EZJ94 Board / EZJ106 Board (NH Board)
  56
  - Reference Number
    56
- EZJ103 Board (I/O Board)
  58
- Circuit Diagram of EZJ102/103
  59
- Multiple Power Supply
  60
- High Voltage Power Supply
  60
- Fan Replacement Procedure
  61
- Maintenance of Circulation System
  63
- General Structure of Circulation System
  63
- Main Ink Tank Replacement Procedure
  66
- Pressure Relief Valve Replacement Procedure
  67
- Joint Structure and Handling
  68
- Pump Unit Replacement Procedure
  70
- Solenoid Valves Replacement Procedure
  72
- Pressure Gauge Replacement Procedure
  74
- Circulation Unit Replacement Procedure
  75
- Viscometer Replacement Procedure
  77
- Print Head Replacement Procedure
  81
- Troubleshooting Procedure for the Circulation System
  83
- Repairing Method When the Circulation Route Is Dry or Sticks
  87
- Print Head-Related Maintenance
  89
- Outline Structure of Print Head and How to Remove each Cover
  89
- Nozzles Replacement Procedure (Appendix: Nozzle Drive Conditions)
  90
- Deflecting Base Replacement Procedure
  93
- Cover Switch Replacement Procedure
  96
- Sealing Valve (MV9) Replacement Procedure
  97
- Heating Unit Replacement Procedure
  99
- Gutter Base Group Replacement Procedure
  101
- Head Base Replacement Procedure
  102
Troubleshooting

105
- Faults that Do Not Invoke Ink Stoppage
  105
- Troubleshooting List
  105
- Fault Invoke Ink Stoppage
  107
- Ink Low Refer to
  107
- Ink over Fill Refer to
  108
- Makeup Ink Low
  109
- Replenishment Timeout
  110
- Ink Drop Charge too Low
  111
- No Ink Drop Charge
  112
- Noise Fault M/S/C
  113
- Deflection Voltage Leakage
  114
- Charge Voltage Fault
  116
- DC Power Supply Fan Fault
  117
- F Memory Fault M/S/C
  119
  - Hardware Error C
    120
- Internal Communication Error S
  119
- Ink Heating Fault
  121
- Heating Unit Sensor Fault
  122
- Ambient Temperature Sensor Fault
  124
- Viscometer Temperature Sensor Fault
  124
  - Pump Motor Fault
    125
- Cooling Fan Fault
  125
- Print Overlap Error
  126
  - Cover Open
    127
- Improper Sensor Position
  128
- Print Data Changeover in Progress S,C,M,V
  129
- Target Frequency too High
  129
- No Print Contents
  130
- Ink Drop Charge too High
  131
- Internal Communication Error C/M
  133
- Ink Shelf Life Exceeded
  134
- Warning (Printing Continuously Performed)
  134
- Operating Temperature to High/To Low
  135
  - Battery Low
    137
- Product Speed Matching Error
  137
  - Viscosity Reading Instability
    138
- Viscosity Readings out of Range
  139
  - High Ink Concentration
    140
- Low Ink Concentration
  140
- Excitation Setting Review
  141
- Chipped Print (Lower Dots)
  142
- Faults that Invoke no On-Screen Indications
  142
- [Faults that Invoke no On-Screen Indications]
  142
- Chipped Print (Upper Dots)
  143
  - Varying Character Height
    144
  - Increased Character Distortion
    145
  - Disordered Characters
    146
  - Ink Leakage/Blowout
    147
- No Ink Ejection from Nozzle
  149
- 1Problems Due to Inappropriate Ink Beam Position in Charged Electrode
  150
- Miscellaneous
  150
- Problems Due to Inappropriate Ink Beam Position to Gutter
  151
- Circulation System Diagram
  152
- Electrical Connection Diagram
  153

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