Epson Stylus Pro XL Service Manual download pdf (Page 68)

3.2.5.3 Pump Unit Removal

1. Remove the printer mechanism. (See Section 3.2.4.)

2. Remove the carriage unit. (See Section 3.2.5.2.)

3. Remove the CBS (M3×6) screw securing the pump unit to the bottom frame.

4. Push the pump unit outward while releasing the tab at the bottom side of the pump unit, and then lift

up the pump unit.

CBS (M3x6)

Bottom Frame

Pump Unit

(1)

(2)

Figure 3-14. Pump Unit Removal

Disassembly and Assembly Stylus Pro Service Manual

3-12 Rev.A

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 126 127

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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Epson Stylus Pro XL Service Manual Page 68

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