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4003353
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Manuals and User Guides for Epson 4003353. We have
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Epson 4003353 manual available for free PDF download: Service Manual
Epson 4003353 Service Manual (133 pages)
TERMINAL PRINTER
Brand:
Epson
| Category:
Printer
| Size: 4.6 MB
Table of Contents
Product Description Chapter 1
7
Service Manual
1
Product Description
4
Table of Contents
7
Chapter 1
9
Features
9
Figure 1-1. Exterior View of the Stylus Color
9
Table 1-1. Interface Cards
9
Specifications
10
Printing Specifications
10
Figure 1-2. Nozzle Configuration
10
Table 1-3. Character Tables
11
Paper Handling Specifications
12
Paper Specifications
12
Table 1-4. Cut Sheet Paper Specifications
12
Table 1-5. Envelope Specifications
12
Figure 1-3. Printable Area for Cut Sheet
13
Figure 1-4. Printable Area for Envelope
13
Figure 1-5. Adjust Lever
14
Table 1-6. Adjust Lever Setting
14
Electrical Specifications
15
Environmental Conditions
15
Table 1-7. Rated Electrical Ranges
15
Table 1-8. Acceptable Environmental Conditions
15
Reliability
16
Safety Approvals
16
Interface Specifications
17
Serial Interface Specifications
17
Figure 1-7. Data Transmission Timing
17
Table 1-9. Signal and Connector Pin Assignments for Parallel Interface
18
Parallel Interface Specifications
19
Table 1-11. Signal and Connector Pin Assignments for Serial Interface
19
Operations
20
Control Panel
20
Figure 1-8. Control Panel Appearance
20
Panel Operation Atpoweron
21
Default Settings
22
Default Setting Items
22
Table 1-12. Default Setting Items
22
Table 1-13. Characteristics of Print Direction Mode
22
Table 1-14. Printing Direction and ESC U Command
22
Changing the Default Settings
23
Table 1-15. Language Selection
23
Table 1-16. Feature Selection
23
Table 1-17. Character Table Selection
24
Errorconditions
25
Printer Initialization
25
Hardware Lnitiaiization
25
Panel Initialization
25
Software Initialization
25
Table 1-18. Error Indications
25
Main Components
26
Main Control Board (C137 MAIN Board)
26
Figure 1-9. C137 MAIN Board Component Layout
26
Power Supply Board (C137 PSB/PSE Board)
27
Control Panel (C137 PNL Board)
27
Figure 1-10. C137 PSB/PSE Component Layout
27
Figure 1-11. C137 PNL Board Component Layout
27
Printer Mechanism (M-4AIO)
28
Figure 1-12. Printer Mechanism (M-4A1O)
28
Figure 1-13. Housing
28
Housing
28
Chapter 2 Operating Principles
29
List of Figures
30
Operating Principles of the Printer Mechanism
31
Printer Mechanism
32
Figure 2-2. Structure of Printhead
32
Figure 2-3. Principles of the Printing Operation
33
Figure 2-4. Microwave Mode Operation
34
Carriage Drive Mechanism
35
Table 2-1. Carriage Drive Motor Specifications
35
Paper Type
36
Platen Gapadjust Lever
36
Paper Feed Mechanism
36
Table 2-4. Paper Feed Drive Motor Specification
36
Table 2-5. Drive Terms
37
Inksystem
38
Pump Mechanism
38
Cap Mechanism
38
Wiping Mechanism
38
Figure 2-9. Pump Mechanism Block
39
Figure 2-13. Pump Operation
41
Table 2-6. Pump Mechanism Operation
41
Overview
31
Operating Principles of the Electrical Circuits
43
Operating Principles Ofthe Power Supply Circuit
43
Operating Principlesofthe Main Control Circuit
45
Figure 2-18. Main Control Circuit Block Diagram
45
Figure 2-19. Reset Circuit Block Diagram
46
Reset Circuits
46
Sensorcircuits
46
Carriage Motordrivecircuit
47
Figure 2-21. Carriage Motor Circuit Block Diagram
47
Table 2-8. Serial Data Contents
47
Figure 2-22. Serial Data Transfer Procedure
48
Figure 2-23. Paper Feed Motor Drive Circuit Diagram
49
Paper Feed Motor Drive Circuit
49
Figure 2-24. Trapezoidal Drive Wave Form
50
Figure 2-25. Printhead Drive Circuit Block Diagram
50
Printhead Drive Circuit
50
Figure 2-26. Dma Controller Operation
51
D-RAM Refreshment Controller
52
Figure 2-27. D-Ram Cycle Timings
52
Figure 2-28. Junction Method (Cpu-Dram)
52
Table 2-10. Junction Method (Cpu-2Cas Dram)
52
Figure 2-29. Relation of Ink System & Carriage Operation
53
Inkoperations
54
Poweronoperation
54
Cleaning Selection Mode
55
Micro Absorbing Cleaning Operation
56
Poweroffoperation
56
Fail Absorbing Operation
57
Refresh Operation
57
Standby Operation
57
Figure 2-32. Ink Cartridge Replacement Classification
58
Ink Cartridge Replacement Operation
58
Disengage Offoperation
59
Disengage on Operation
59
Rubbing Operation
59
Wiping Operation 1
59
Wipingoperation2
59
Adjust Lever Operate Position Moving Sequence
60
Carriage Lock Reset
60
Carriage Lock Set
60
Micro Absorbing Operation
60
Refresh Operation
60
Timerandcounter
60
Refresh Timer (Monochrome and CMY Head)
60
Flushing Counter (Black, CMY Head)
61
Timer (Monochrome and CMY Head)
61
Protect Counter
62
Chapter3 Disassembly And Assembly
63
Ink System Management
53
Overview
64
Precautions for Disassembling the Printer
64
Disassembly and Assembly
65
Upper Case Removal
66
Power Supply Unit (C137 PSB/PSE Board) Removal
67
Main Controller
68
Printer Mechanism Disassembly
71
Printhead Unit Removal
71
Carriage Unit Removal
73
Pump Unit Removal
74
Cleaner Head Replacement
75
CR Motor Removal
76
PF Motor Removal
76
Carriage Home Position Sensor Removal
77
PE Sensor Removal
77
Paper Feed Roller Assembly Removal
78
Upper Frame Removal
79
Head Angle Adjustment
85
Chapter Troubleshooting5
98
Chapter 5 Troubleshooting
99
Overview
99
Unit Level Troubleshooting
101
Printer Does Not Operate at Power on
102
Error Is Detected
103
Rev. a
103
Printer Does Not Feed the Paper Correctly
105
Control Panel Operation Is Abnormal
106
Unit Repair - C137 Psb/Pse Board
107
Unit Repair - C137 Main Board
108
Unit Repair - Printer Mechanism (M-4Aio)
110
Maintenance Chapter 6
113
Chapter 6 Maintenance
114
Preventive Maintenance
114
Service Maintenance
115
Printhead Cleaning
115
Waste Ink Drain Tank Replacement
115
Lubrication and Adhesive
116
Component Layout
125
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