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User Manuals: Epson EPL-5500W Laser Printer
Manuals and User Guides for Epson EPL-5500W Laser Printer. We have
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Epson EPL-5500W Laser Printer manual available for free PDF download: Service Manual
Epson EPL-5500W Service Manual (105 pages)
Brand:
Epson
| Category:
Printer
| Size: 1.54 MB
Table of Contents
Chapter 1 General Description
11
Service Manual
1
Safety Information
5
Table of Contents
11
Figure 1-1. Exterior View of the EPL-5500W
14
Table 1-1. Options for the EPL-5500W
15
Specifications
16
Basic Specification
16
Table 1-2. Paper Feed Methods
16
Table 1-3. Paper Types
16
Figure 1-2. Printable Area
17
Table 1-4. Usability of Special Papers
17
Electrical Specifications
18
Reliability Specifications
18
Environmental Conditions for Storage and Transportation
18
Applicable Standards
19
Specifications for Consumable
19
Physical Specifications
19
Software Specifications
20
Interface Specifications
21
Parallel Interface
21
Operating Instructions
22
Control Panel
22
Figure 1-3. Control Panel
22
Display of Messages
23
Error Messages
23
Status Messages
23
Table 1-6. Status Messages
23
Table 1-7. Error Messages
23
Printing Resolution Host PC Capability Dependency
24
Table 1-8. Host PC Conditions
24
Main Components
25
C180 MAIN Board
26
Figure 1-5. C180 MAIN Board
26
PWB-E Board
27
PWB-F Board
27
Figure 1-6. PWB-E Board
27
Figure 1-7. PWB-F Board
27
Optical Unit
28
Fusing Unit
28
Figure 1-8. Optical Unit
28
Figure 1-9. Fusing Unit
28
Photoconductor Unit
29
Developing Cartridge
29
Figure 1-10. Photoconductor Unit
29
Chapter 2 Operating Principles
30
Table of Contents
30
List of Tables
31
Engine Operation
32
Figure 2-1. Main Components
32
Print Process
33
Figure 2-2. Print Process Diagram
33
Figure 2-3. Paper Feeding from the Paper Feed Tray
34
Paper Feeding
34
Drum Charge
35
Figure 2-4. Drum Charge
35
Development
36
Figure 2-5. Laser Exposure
36
Figure 2-6. Development
36
Laser Exposure
36
Fusing
37
Image Transfer
37
Engine Control
38
Figure 2-10. Gear and Roller Positions
39
Main Motor Functions and Control
39
Figure 2-11. Main Motor Drive Circuit
40
Paper Take-Up Sensor and Paper Exit Sensor
40
Figure 2-13. Fuser Control Circuit
41
Figure 2-14. Temperature for Fuser Control Procedure
41
Fuser Control
41
Figure 2-15. Scanner Motor Control Circuit
42
Scanner Mirror Motor Control
42
Figure 2-16. Laser Diode Drive Circuit
43
Figure 2-17. Ldata Generation Circuit
43
Figure 2-18. Laser Emission Power Adjustment Timing
43
Laser Diode Drive
43
Bias Voltages and Laser Drive Timing
44
Figure 2-19. High-Voltage Supply Block Diagram
44
Figure 2-20. Print Process
45
Figure 2-21. Print Sequence (Start)
45
Figure 2-22. Print Sequence (End)
45
Fan Motor Control
46
Figure 2-23. Power Supply Circuit Block Diagram
46
Power Supply Circuit Function and Safety Protection
46
Figure 2-24. Parallel Interface Controller Section
47
C180 MAIN Board Operation
47
Figure 2-25. C180 Main Board Block Diagram
47
Chapter 3 Disassembly and Assembly
49
Parallel Interface Controller Operation
47
General Information
51
Precautions for Disassembly/Assembly
51
Tools
51
Table 3-1. Tools
51
Small Parts
52
Table 3-2. Abbreviations Used for Screws
52
Table 3-3. Screw Types and Abbreviations
52
Service Checks after Repair
53
Table 3-4. Checks after Repair
53
Disassembly and Assembly
54
Housing Removal
54
Case Removal
54
Figure 3-1. Removing the Housing
54
Removal of the Controller Section
55
Figure 3-2. Removing the Shield Case
55
Main Board (C180 MAIN Board) Removal
55
Disassembling the Engine
56
Figure 3-4. Removing the Optical Unit
56
Optical Unit Removal
56
Figure 3-5. Removing the Image Transfer Unit
57
Figure 3-6. Removing the Image Transfer Unit
57
Figure 3-7. Moving the Image Transfer Unit
58
Figure 3-8. Reinstalling the Electrode Comb
58
Figure 3-10. Removing the Upper Unit
59
Figure 3-9. Removing the Harness Cover
59
Upper Unit Removal
59
Figure 3-11. Removing the Pwb-F Cover
60
Figure 3-12. Removing the Pwb-F
60
High-Voltage Supply Board (PWB-F) Removal
60
Figure 3-13. Removing the Pwb-E Cover
61
Figure 3-14. Removing the Pwb-E
61
Power Supply Unit (PWB-E) Removal
61
Figure 3-15. Gear and Spring Position
62
Figure 3-16. Removing the Fusing Guide Plate
62
Fusing Unit Removal
62
Figure 3-19. Removing the Fusing Unit
64
Figure 3-20. Roller Position
64
Figure 3-21. Removing the Heater Lamp
65
Fusing Unit Disassembly
65
Figure 3-22. Removing the Thermistor
66
Figure 3-23. Wiring
66
Figure 3-25. Paper Exit Sensor
67
Figure 3-26. Removing the G-Rings
68
Figure 3-27. Removing the Upper Fusing Roller
68
Figure 3-28. Removing the Lower Fusing Roller
69
Figure 3-29. Removing the Thermal Fuse
69
List of Figures
70
Print Position Adjustment
72
Troubleshooting
76
Chapter 6 Maintenance
84
Maintenance
86
User Maintenance
86
Cleaning
86
Replacement of Consumables
87
Service Maintenance
88
Cleaning
88
Periodic Service Maintenance
88
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