Epson Stylus Pro XL Service Manual Page 35
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- Table of contents
- TROUBLESHOOTING
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2.2.5 Pump Mechanism
The paper feed motor drives the pump mechanism when the transmission gear is moved to the
position where the paper feed motor engages the pump mechanism gear trains, when the carriage
unit is at the ink system home position. The figure below shows a block diagram of the pump
mechanism. Pump system operation depends on the rotational direction of the paper feed drive
motor, as shown in Table 2-6.
Drive: Pump Mechanism
Drive: Switch Lever Set
Platen Drive Gear
Left Frame
PF Motor
Platen
Carriage
Hook
Spring
Sub Frame
Disengage
Lever
Release
Clutch
Pump Unit
Pump
Drive Gear
Right Frame
Figure 2-8. Pump Mechanism Block
Carriage
D/E Set Lever
D/E Reset Lever
D/E Lever
Figure 2-9. Switch Lever Set
Stylus Pro XL Operating Principles
REV.-A 2-9
- SERVICE MANUAL 1
- Chapter 1 Product Description 2
- 1.1 FEATURES 4
- Table 1-1. Interface Cards 5
- 1.2 SPECIFICATIONS 6
- Table 1-3. Character Tables 7
- 1.2.3 Paper Specifications 8
- Printable area: Cut sheets 9
- Envelopes 9
- 1-6 Rev.A 9
- Cut Sheets Envelopes 10
- Carriage Unit 10
- : Without condensation 11
- 1.2.7 Reliability 12
- 1.2.8 Safety Approvals 12
- 1.2.9 Physical Specifications 12
- 1.3 INTERFACE SPECIFICATIONS 13
- 1.4 OPERATIONS 16
- Indicators 17
- 1.4.3 Default Settings 18
- 1.4.3.1 Default Setting Items 18
- Table 1-17. Feature Selection 19
- Operate LED Data LED 20
- 1.4.4 Error Conditions 21
- Table 1-19. Error Indications 21
- 1.4.5 Printer Initialization 21
- 1.5 MAIN COMPONENTS 22
- 1.5.5 Housing 24
- Table of Contents 25
- List of Figures 26
- List of Tables 26
- 2.1 OVERVIEW 27
- 2.2.1 Printer Mechanism 28
- Micro Dot Printing mode 30
- CR Motor 31
- CR HP Sensor 31
- Carriage Guide Shaft 31
- Belt Pulley 31
- 2.2.3 Paper Feed Mechanism 32
- Table 2-5. Drive Terms 33
- 2.2.4 Ink System 34
- Drive: Pump Mechanism 35
- Drive: Switch Lever Set 35
- Drive: Paper Feed Mechanism 36
- Switch Lever: Reset 36
- Figure 2-12. Pump Operation 37
- 2.2.7 Wiping Mechanism 38
- 2.3.2.1 Reset Circuits 42
- 2.3.2.2 Sensor Circuits 42
- STROBE pulse 44
- 2-18 REV.-A 44
- Normal Dot Mode 46
- Drive Waveform 46
- Micro Dot Mode 46
- Block Resistor 46
- Micro Dot Printing Mode 47
- 2.3.2.6 DMA Controller 48
- CPU H8 (IC1) DRAM (IC5) 49
- 2.4 INK SYSTEM MANAGEMENT 50
- 2.4.1 Ink Operations 51
- 2.4.2.1 Protect Counter 53
- 3.1 OVERVIEW 56
- ATTENTION 56
- 3-2 REV.-A 57
- DISASSEMBLY/ASSEMBLY POINT 58
- C137 PNL Board 58
- Carriage Lock Lever 58
- CBB (M3x11) 58
- CBS (M3x8) 59
- C162 MAIN Board 59
- CBB (M3x12) 59
- ASSEMBLY POINT 61
- REQUIRED ADJUSTMENT 61
- Ink Cartridge 63
- Fixing Lever 63
- Cartridge Holder 63
- Figure 3-9. Printhead Removal 64
- 3.2.5.2 Carriage Unit Removal 67
- 3.2.5.3 Pump Unit Removal 68
- Cleaner Lever 69
- 3.2.5.5 CR Motor Removal 70
- 3.2.5.6 PF Motor Removal 70
- 3.2.5.8 PE Sensor Removal 71
- Paper Feed Roller 72
- 3.2.5.10 Upper Frame Removal 73
- Chapter 4 Adjustments 74
- 4.1 OVERVIEW 75
- Adjustments Stylus Pro XL 76
- Stylus Pro XL Adjustments 77
- Head Base 79
- Figure 4-5. Spacer Selection 80
- Spacer Name 87
- Thickness 87
- Figure 4-15. Spacer Selection 87
- 4.1.7 Platen Gap Adjustment 90
- Chapter 5 Troubleshooting 92
- Rev.-A 5-i 93
- 5.1 OVERVIEW 94
- Table 5-3. Error Codes 95
- 5.2.2 Error is detected 98
- Stylus Pro XL Troubleshooting 100
- Troubleshooting Stylus Pro XL 101
- Chapter 6 Maintenance 108
- 6.1 PREVENTIVE MAINTENANCE 109
- 6.2 SERVICE MAINTENANCE 110
- 6.3 LUBRICATION AND ADHESIVES 111
- 6-4 Rev.A 112
- Rev.A 6-5 113
- 6-6 Rev.A 114
- Appendix 115
- A.1 CONNECTOR SUMMARY 116
- Table A-1. Connector Summary 117
- Stylus Pro XL Appendix 118
- Appendix Stylus Pro XL 119
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