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IJ UX
Hitachi IJ UX Service Manual
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4-
52
4.
16
Maintenanc
e work of
intake
fan unit
4.
16
.1
Structure of
I
ntake
fan unit
4.1
6
.2
Replacement of
I
ntake
fan unit
1
T
urn off the power.
2
Loosen the
thumb
screw and remov
e the
I
ntake fan cover.
3
Remove the
A
ir filt
er.
[Note] The
A
ir filter has front and r
ear faces.
Set the filter w
ith red
-
mark bei
ng invisible.
Air filt
er
(Red
-
m
ark
in rear)
Intake f
an cover ass
embly
Intake f
an
Thum
bsc
rew
Air filt
er
Intake f
an unit assem
bly
Intake f
an cover
Intake f
an cover
Thum
bs
c
rew (2 loca
tions)
184
186
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
3
1 Introduction
7
Safety Precautions
7
Structure of each Part in the Main Body
14
External Views
14
Main Body Internal
15
Print Head
16
Installation
17
Power Supply Wiring
17
Installation Procedure
19
2 Maintenance Work
21
Setting of Service Personnel Maintenance Mode
21
System Environment Setup
24
Adjustment/Operational Checkout
25
Excitation Adjustment
25
Charging Voltage Confirmation
28
Phase Margin Test
30
Auto Phase Gain Adjustment
33
Level Sensor Confirmation
35
Heating Unit Confirmation
37
Test of Solenoid Valve/Pump
39
Download
40
Calibration of Viscometer
42
Operation Test of Viscometer
43
Circulation System Environment Setup
44
System Reset
45
Backup
46
Unit Information
47
Handling of the Warning "Product Speed Matching Error", Etc
49
Language Registration
54
Fault / Warning Log Management Code
56
Software Option Setup
58
Software Option Setup for UX-D,E
58
Standard Communication Option Setup for UX-B
59
Upgrade Option Setup for UX-D
60
Time of Preparing for Printing (UX-D,E Only)
62
Touch Screen Setup
64
Expiration Date Management of Ink and Makeup
65
Careful Cleaning Setup
68
Logging Data
71
Rescue Soft
77
Dimensions for Tapered-Printhead Printing
79
3 Maintenance of Controlling Part
81
Construction of Controlling Part
81
Controller Part
85
EZJ128 Board (Controller Board)
85
Battery
88
Lcd
90
Touch Panel
92
Engine Part
93
EZJ126 Board (MPU Board)
97
Model Key
97
Language Key (Option)
97
Upgrade Key (Option)
97
EZJ125 Board (Nozzle Drive Board)
99
EZJ127 Board (I/O Board)
101
EZJ132 Board (Ink Circulation Module Connection Board)
109
EZJ113 Board (Power Relay Board)
109
EZJ114 Board (LED / SW Board)
111
EZJ119A Board (Relay Output Board) (Optional Board)
111
EZJ130 Board (Software Option Control Board)
113
EZJ129 Board (Software Option Terminal Board)
115
Multiple Power Supply
123
High Voltage Power Supply
125
DC Fan
126
TUP-I (for UX-D/E Only)
127
IJP LAN Unit (ILU) (Option)
128
RFID Reader
129
Electrical Connection Diagram
131
4 Maintenance of Circulation System
134
Structure of Circulation System
134
Main Ink Tank Replacement Procedure
140
Pressure Reducing Valve Replacement Procedure
143
Joint Structure and Handling
144
Solenoid Valves Replacement Procedure
145
Pressure Sensor Replacement Procedure
147
Circulation Unit Replacement Procedure
149
Pump Parts Replacement
151
Solenoid Replacement Procedure
167
Troubleshooting When Fault Occurs in Viscometer
170
Print Head Replacement Procedure
175
Troubleshooting Procedure for the Circulation System
178
Repairing Method When the Circulation Route Is Dry or Sticks
183
Maintenance Work of Intake Fan Unit
185
R Air Filter Replacement Procedure
187
Circulation System Cleaning of Printer Which Uses Ethanol-Based Ink
190
Cleaning of Dedicated Path for Low Volatilization System (UX-E Only)
192
5 Print Head Related Maintenance
195
Print Head Rough Configuration
195
Cable Running Direction
197
Gutter Configuration and Replacement Method
198
Gutter Configuration
198
Replacement Method
198
MGV Filter Replacement
199
Shutoff Valve (MV9) Replacement
201
Heating Unit Replacement
203
APH Board Replacement
205
Nozzle Replacement
206
Nozzle Orifice Cleaning
208
Mist Collector Maintenance(Applied UX-E Only)
210
Thermistor Replacement
211
Deflecting Base Replacement Procedure
213
Head Base Replacement Procedure
216
Head Cable Replacement Procedure
218
6 Troubleshooting
219
Troubleshooting List
219
Faults - Ink-Stop Type
221
Faults - Print-Stop Type
247
Warning Conditions (Printing Continuously Performed)
261
Faults - no On-Screen Indications
276
Firmware Download Failure
295
7 Attached Drawing
301
Circulation System Diagram
301
Electrical Connection Diagram
304
Circulation Sequence
306
Dimensions Around Charge Electrode and Deflection Electrode
308
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Hitachi IJ UX Specifications
General
Brand
Hitachi
Model
IJ UX
Category
Printer
Language
English
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