Epson Stylus Color 400 Service Manual Page 95
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Chapter4 Adjustment
Rev. A
4-1
4.1 Overview
This section describes adjustments required when the printer is disassembled and assembled after repair.
4.1.1 Required Adjustments
Stylus Color 400 has following required adjustments.(Refer to table 4-1) Refer to figures for the actual
procedure and perform appropriate adjustment for each exchanged unit.
No. Adjustment Item Conditions
1 Parallel Adjustment • When you exchange or remove the Carriage guide shaft.
• When you move the parallelism adjustment bush.
2 Initial ink charge • When you exchange or remove the print head.
3 VH voltage Writing Operation • When you exchange or remove the print head.
• When you exchange the C206 main board.
Note)
The values of address are not lost by EEPROM reset
operation.
4 Printing Head Angle Adjustment • When you exchange or remove the print head.
• When you move the head adjustment lever.
5 Bi-D adjustment • When you exchange or remove the print head.
• When you exchange the C206 main board.
No. Content of Operation Adjustment Procedure
1 Exchange or Removal of Print head 1)Perform Vh voltage writing operation.
(Only when the print head is exchanged)
2)Perform initial ink charge.
3)Perform print head angle adjustment.
4)Perform Bi-d Adjustment.
2 Exchange of C206 Main Board 1)Perform Vh voltage writing operation.
2)Perform Bi-d adjustment.
3 Exchange or Removal of Carriage Unit 1)Perform parallel adjustment.
2)Perform print head angle adjustment.
3)Perform Bi-d adjustment.
4 Exchange of CR Motor 1)Perform Bi-d adjustment.
5 Exchange of Printer Mechanism 1)Perform Vh voltage writing operation.
2)Perform initial ink charge.
3)Perform Bi-d adjustment.
4.1.2 Required Adjustment Tools
The table4-3 below shows adjustment tools for Stylus Color 400.
Table 4-3. Adjustment Tools for Stylus Color 400
No. Name Adjustment item Content/Specification
1 Thickness Gage Parallel Adjustment Thickness=1.1mm(1.04mm)
2 Adjustment Program Each Mechanism Settings Exclusive Program(“J80C10E”)
CAUTION
Never use the bent (curved or tilted)or rusty thickness gage.
Erase any dirt, grease or obstacles on the thickness gage before you use it.
Table 4-1. Required Adjustment and Contents
Table 4-2. Operation and Adjustment Item
- SERVICE MANUAL 1
- Copyright 2
- Nagano, Japan 2
- PRECAUTIONS 3
- REVISION SHEET 5
- TABLE OF CONTENTS 6
- Chapter 1 7
- Product Descriptions 7
- 1.1 Features 8
- 1.2 Specifications 9
- 1.2.2 Paper Specification 11
- 1.2.4 Printing Area 13
- Printable area 14
- 1.2.5 Environmental Condition 15
- Chapter1 Product Description 17
- Note 3) 17
- 1.2.7 Physical Specification 18
- 1.2.8 Input Data Buffer 18
- 1.2.9 Electric Specification 19
- 1.2.10 Reliability 19
- 1.2.11 Safety Approvals 19
- 1.2.12 Acoustic Noise 20
- 1.2.13 CE Marking 20
- 1.3 Interface 22
- Tready Tbusy 24
- Tack Tnbusy 24
- Virtual Busy Status 25
- 1.4 Control Panel 26
- 1.4.2 Panel Functions 27
- 1.5 Error Status 30
- 1.5.4 No Ink-Cartridge 31
- 1.5.5 Maintenance Request 31
- 1.5.6 Fatal Errors 31
- 1.6 Printer Initialization 32
- 1.7 Initialization Settings 32
- 1.8 Main Components 33
- 1.8.4 C206PNL(Panel) Board 34
- Chapter 2 35
- Operating Principles 35
- 2.1 OVERVIEW 36
- 2.1.1.1 Printing Mechanism 37
- Nozzle Plate 38
- Ink Course 38
- 2.1.1.1.2 Printing Method 39
- Nozzle No.#9 40
- Nozzle No.#4 40
- Full-Overlap Micro-Weave: 41
- 2.1.1.2 Carriage Mechanism 42
- Parallelism 44
- Adjust Lever 44
- Eject Notched Roller 48
- Eject Roller 48
- PF Roller 48
- Support Roller 48
- 2.1.1.4 Ink System 49
- 2.1.1.4.1 Pump Mechanism 50
- CW Rotation 51
- CCW Rotation 51
- Tube pressured 51
- Tube released 51
- 2.1.1.4.2 Cap Mechanism 52
- +42 V DC 53
- Filter Circuit 55
- Prevention of 55
- Rectifier circuit 55
- Full Wave 55
- 2.2.2 C206 MAIN Board 56
- 2.2.2.1 Reset Circuits 58
- 2.2.2.2 Sensor Circuits 59
- 2.2.2.4 Timer Circuit 61
- 2.2.2.5 DRAM Control 61
- Gate Array 63
- E05B43(IC2) 63
- E05B44(IC2) 66
- LB1845(IC15) 66
- Chapter 3 67
- Disassembly and Assembly 67
- 3.1 OVERVIEW 68
- 3.1.2 Tools 69
- 3.2 Disassembly Procedures 71
- 3.2.1 Removing the Housing 72
- WORK POINT 73
- Fastener Head 77
- Print Head Unit 77
- Head Cleaner 80
- Order of assembling 80
- PF Roller Assembly 91
- HP Detector 93
- Chapter 4 94
- Adjustment 94
- 4.1 Overview 95
- 4.2 Adjustment 96
- Print Head Side 97
- Cleaner Head 97
- Overlap amount 97
- = More than 0.5mm 97
- Print Head 102
- 4.2.2.5 Bi-D Adjustment 103
- Chapter 5 105
- Troubleshooting 105
- 5.1 Troubleshooting 106
- Rev.A5-2 107
- Rev.A5-4 109
- 5.2.2 Error is detected 110
- Rev.A5-6 111
- Rev.A5-8 113
- Rev.A5-10 115
- Rev.A5-12 117
- Rev.A5-14 119
- Chapter 6 121
- Maintenance 121
- 6.1 OVERVIEW 122
- 6.1.3 Lubrication 123
- Chapter 6 Maintenance 124
- (Oil pad) 125
- Carriage Assembly 125
- (bottom view) 125
- "SHAFT, CR, GUIDE" 125
- "GEAR, 23.2" 127
- "GEAR, 16, 40.8" 127
- "GEAR, 67.2" 127
- "COMBINATION GEAR 127
- 8, 14.4" 127
- "HOPPER, ASSEMBLY" 128
- "FRAME, ASF" 128
- Appendix 129
- A.1 Connector Summary 130
- A.2 Connector Summary 131
- A.3 EEPROM Address Map 133
- A.5 Exploded Diagrams 141
- As of September, 1996 144
- SEIKO EPSON CORPORATION 145
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