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Epson Stylus Color 670 Service Manual
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EPSON Stylus
COLOR 670
Revision A
Disa
ssem
bly a
nd Ass
em
bly
Ov
ervi
ew
69
4.1.2 Too
ls
Use only specified tools to avoid
damaging the printer.
Table 4-1.
Required Tool
s
Name
Supplier
Parts No.
Phillips
Screw Dr
iver
(No.
1)
EPSON
B743800100
Phillips
Screw Dr
iver
(No.
2)
EPSON
B743800200
Nipper
EPSON
B740500100
Tweezers
EPSON
B741000100
Thicknes
s Gauge
EPSON
B776702201
68
70
Table of Contents
Default Chapter
1
Service Manual
1
About this Manual
4
Symbols Used in this Manual
5
Table of Contents
7
Product Description
10
Overview
11
Features
11
Basic Specifications
12
Printing Specifications
12
Printing Method
12
Nozzle Configuration
12
Printing Direction
12
Printing Speed and Printable Columns
12
Control Code
12
Character Tables
12
Typeface
12
Paper Feeding
12
Electric Specification
13
Environmental Conditions
13
Temperature
13
Humidity
13
Resistance to Shock
14
Resistance to Vibration
14
Reliability
14
Safety Approvals
14
Acoustic Noise
14
Interface
15
Hardware Interface
15
Parallel Interface
15
IEEE-1284 Parallel I/F (Reverse Channel)
17
USB (Universal Serious Bus)
19
Miscellanea
20
Automatic Selection
20
IEEE 1284.4 Protocol
20
Interface Selection
20
Interface State and Interface Selection
20
Receive Data Buffer Full Operation
20
Printer Language and Emulation
21
Character Mode
21
Control Codes
21
Graphics Mode
21
Operator Controls
22
Operate Switch
22
Control Panel
22
Switches
22
Indicators
22
Panel Functions
22
Printer Condition and Panel Status
23
Printer Initialization
23
Errors
24
Paper Handling
24
Paper Specification
24
Printable Area
26
Cut Sheet
26
Envelope
27
Ink Cartridge
28
Black Ink Cartridge
28
Color Ink Cartridge
28
Physical Specification
29
Accessories
29
EPSON Stylus COLOR
29
Operating Principles
30
Overview
31
Printer Mechanism
31
Printhead
33
Printing Process
34
Printing Method
35
Carriage Mechanism
36
Platen Gap (PG) Adjustment Mechanism
36
Paper Feeding Mechanism
37
Paper Loading Mechanism (ASF Unit)
38
Ink System Mechanism
40
Pump Unit and CR Lock Mechanism
40
Capping Mechanism
41
Ink Sequence
42
Electrical Circuit Operating Principles
43
C301PSB/PSE Board
43
C301MAIN Board
45
Main Elements
46
Printhead Driver Circuit
47
PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit
48
CR Motor Driver Circuit
49
Reset Circuit
49
EEPROM Control Circuit
50
Sensor Circuit
51
Troubleshooting
52
Overview
53
Unit Level Troubleshooting
54
Printer Does Not Operate at Power on
55
Error Is Detected
55
Failure Occurs During Printing
56
Printer Does Not Feed Paper Correctly
56
Control Panel Operation Is Abnormal
57
Unit Repair (Power Supply Board)
57
Unit Repair (Control Board)
58
Unit Repair (Printer Mechanism)
61
Disassembly and Assembly
66
Overview
67
Precautions
68
Tools
69
Work Completion Check
70
Disassembly
71
Housing Removal
72
Circuit Board Assembly Removal
73
Control Panel Removal
75
Ink Absorber Tray Assembly (Waste Ink Pad) Removal
76
Printer Mechanism Disassembly
77
Printhead Removal
77
Pump Assembly / Cap Assembly Removal
80
CR Motor Assembly Removal
82
PF Motor Assembly Removal
83
ASF Assembly Removal
85
ASF LD Roller Assembly Removal
87
LD Roller Assembly Disassembly
92
CR Assembly Removal
93
PE Sensor Assembly Removal
95
PF Roller Assembly Removal
96
CR HP Sensor Removal
98
EPSON Stylus COLOR
98
Adjustment
99
Overview
100
Required Adjustments
100
Adjustment
101
PG Adjustment
101
Using the Adjustment Program
103
Adjustment Program Installation Procedure
103
Adjustment Program
103
Adjustment Program Initial Setting Screen
104
Check this Model Name
106
Head ID Input
107
Head Angular Adjustment
109
Bi-D Adjustment
112
USB ID Input
115
To Only Check the USB ID
116
Head Cleaning
117
Initial Ink Charge
118
Protection Counter Indication / Reset
119
Print A4 Check Pattern
121
Maintenance
122
Overview
123
Cleaning
123
Service Maintenance
124
Lubrication
125
Appendix
129
Connector Summary
130
Major Component Unit
130
EEPROM Address Map
133
Component Layout
137
Exploded Diagram
139
Parts List
143
Electric Circuit Diagrams
148
Other manuals for Epson Stylus Color 670
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Product Information
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Daily Use
78 pages
5
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Epson Stylus Color 670 Specifications
General
Brand
Epson
Model
Stylus Color 670
Category
Printer
Language
English
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