Hitachi IJ PH Manuals

Hitachi IJ PH Manuals

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

Hitachi IJ PH Service Manual

Hitachi IJ PH Service Manual (212 pages)

Brand: Hitachi | Category: Printer | Size: 8.39 MB

Table of Contents

Service Manual
1
Safety Precautions
6
Structure of each Part in the Main Body
12
Installation
15
Maintenance Work
19
System Environment Setup
22
Adjustment/Operational Checkout
24
Excitation Adjustment
24
Charging Voltage Confirmation
26
Phase Margin Test
27
Auto Phase Gain Adjustment
30
Level Sensor Confirmation
32
Maintenance Screen
32
Heating Unit Confirmation
33
Test of Solenoid Valve/Pump
34
Turn on the Power
36
Calibration of Viscometer
38
Operation Test of Viscometer
41
Ink Concentration Control
42
System Reset
43
Unit Information
46
Language Registration
48
Fault / Warning Log Management Code
50
Software Option Setup
52
Maintenance of Controlling Part
56
Construction of Controlling Part
56
Controller Part
58
Control Panel
63
Engine Part
73
Multiple Power Supply
85
High-Voltage Power Supply
85
Maintenance of Circulation System
90
Main Ink Tank Replacement Procedure
93
Pressure Reducing Valve Replacement Procedure
95
Joint Structure and Handling
97
Pump Unit Replacement Procedure
99
Solenoid Valves Replacement Procedure
101
Pressure Sensor Replacement Procedure
103
Circulation Unit Replacement Procedure
104
Troubleshooting When Fault Occurs in Viscometer
107
Disassembling and Washing Viscometer
109
Viscometer Assembly Procedure
110
Viscometer Attaching Procedure
110
Print Head Replacement Procedure
112
Troubleshooting Procedure for the Circulation System
114
Repairing Method When the Circulation Route Is Dry or Sticks
119
Print Head-Related Maintenance
121
Deflecting Base Replacement Procedure
126
Head Base Replacement Procedure
134
Troubleshooting List
138
Faults - Ink-Stop Type
140
Ink Low
140
Main Ink Tank too Full
141
Makeup Ink Low
142
Replenishment Time-Out
143
Ink Drop Charge too Low
144
No Ink Drop Charge
145
Deflection Voltage Leakage
147
Deflection Voltage Fault
149
DC Power Supply Fan Fault
150
Charge Voltage Fault
151
Ink Heating too High
154
Heating Unit Sensor Fault
155
Ink Heating Current Fault
156
Ambient Temperature Sensor Fault
157
Viscometer Temperature Sensor Fault
157
Pump Motor Fault
158
Cooling Fan Fault
158
Faults - Print-Stop Type
159
Print Overlap Fault
159
Cover Open
160
Improper Sensor Position
161
Target Sensor Fault
162
Substitution Character Undefined
165
Ink Drop Charge too High
166
Internal Communication Error C / M
168
Warning Conditions (Printing Continuously Performed)
170
Ink Shelf Life Exceeded
170
Operating Temperature too High / too Low
171
Ink Heating too Low
172
Battery Low
173
Product Speed Matching Error
173
Ink Pressure Low
174
Ink Pressure High
175
Viscosity Reading Instability
176
Viscosity Readings out of Range
177
High Ink Concentration
178
Low Ink Concentration
178
Faults - no On-Screen Indications
180
Varying Character Height
182
Increased Character Distortion
183
Disordered Characters
184
Ink Leakage/Blowout
185
No Ink Ejection from Nozzle
187
Electrical Connection Diagram
202
Dimensions Around Charge Electrode and Deflection Electrode
205

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