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iii

Contents

Important Notes I

Safety Precautions 1

Preface i

1. Overview ................................................................................................. 1

1.1. Delivered Items and Accessories ........................................................................................................ 1

1.2. Dimensional Drawing ........................................................................................................................... 3

2. Installation Precautions ........................................................................... 7

3. Installation Check Items ........................................................................ 12

3.1. Print Head Air Purge .......................................................................................................................... 12

3.2. Setting Functions which can be Used for Each Login User .............................................................. 13

3.3. Selecting User to be Logged in at Power-on ..................................................................................... 18

3.4. Automatically Returning Administrator Login State to General User Login State ............................. 21

4. Connecting Electric Signals .................................................................. 24

4.1. Wiring Precautions ............................................................................................................................ 24

4.2. Connecting Input/Output (I/O) Signals .............................................................................................. 27

4.2.1. Leading Input/Output Lines ....................................................................................................... 27

4.2.2. Connecting to Input/Output (I/O) Terminals .............................................................................. 29

4.3. Specifications of Input/Output (I/O) ................................................................................................... 33

4.3.1. Print Target Detector Input ........................................................................................................ 35

4.3.2. Speed Matching Function Using Rotary Encoder ..................................................................... 39

4.3.3. Input Function ............................................................................................................................ 47

4.3.4. Output Function ......................................................................................................................... 52

4.3.5. Product speed matching function without a rotary encoder ...................................................... 58

5. Work and Adjustment in Circulation System ......................................... 60

5.1. Operation and Details on Circulation Control Screen ....................................................................... 61

5.1.1. Operation on Circulation Control Screen .................................................................................. 61

5.1.2. Details of Circulation Control ..................................................................................................... 63

5.2. Removing Inner Cover ....................................................................................................................... 65

5.3. Replacing Ink ..................................................................................................................................... 66

5.4. How to Correct Stream Bending and Nozzle Clogging ..................................................................... 74

5.4.1. Nozzle Backwash ...................................................................................................................... 74

5.4.2. Disassembly and Cleaning of Nozzle Orifice ............................................................................ 78

5.5. Stream Alignment .............................................................................................................................. 82

5.6. Cleaning Gutter ................................................................................................................................. 85

5.7. Replacing Ink Filter ............................................................................................................................ 87

5.8. Replacing Recovery Filter ................................................................................................................. 95

5.9. Adjusting Pressure ............................................................................................................................ 97

5.10. Updating Excitation V-ref. ................................................................................................................ 98