Epson Stylus Color 400 Service Manual Page 102
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- Table of contents
- TROUBLESHOOTING
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EPSON Stylus Color 400 Service Manual
Rev. A
4-
8
9. Loosen a screw securing the print head on the carriage.
(It is not necessary to remove it completely: Refer to the figure below.)
CAUTION
Make sure to loosen the screw. If the screw is not loose, the print head angle can not be
changed even if the position of the adjust lever is moved.
10. Pay attention to the combination pattern of black/magenta and change the position of the adjust lever
so that a magenta line comes to between above and below black lines, adjusting the print
head angle by the adjust lever. The figure 4-6 below shows changes of actual printing pattern of
black/magenta combination with the operation of the adjust lever.
11. After changing the position of the adjust lever, press “Y” key and return the carriage to the
home position.
12. Check again the combination pattern of black/magenta after changing the position of the adjust lever.
13. Repeat the procedures from 7 to12 until the combination pattern of black/magenta comes to
proper position.
14. After completing adjustment, select “K” (Angular Adjust Setting) on the main screen [Screen-6] and
tighten the loosen screw steadily.
Print Head
Screw
Figure 4-5. Position of the Print Head
Black Line
Magenta Line
Printing Result
Adjust Lever
(Right rear of the
carriage)
Direction of Adjustment:
Move the lever
to the left(front).
Direction of Adjustment:
Move the lever
to the right(rear).
Figure 4-6. Adjustment of Combination Pattern of Black and Magenta
- 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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