Seiko UC-2200 Service Manual Page 49
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- Table of contents
- TROUBLESHOOTING
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EPSON Stylus PHOTO 2100/2200 Revision B
OPERATING PRINCIPLES Printer Mechanism 49
2.2.3.1 ASF Paper Feeding Mechanism
The following table indicates the rotation directions for driving the ASF unit/pump
mechanism.
The driving force of the ASF/Pump motor is transmitted to the ASF unit by the
Carriage unit operation and DE mechanism switching operation described in the
following section.
2.2.3.2 Drive Transmission Path to ASF Unit
1. The Carriage unit moves to the right end of the Carriage guide shaft to move the
DE lock lever to the right end.
2. The ASF/Pump motor rotates in the CCW direction (as viewed from the motor
pinion gear side) by the specified number of steps.
3. As the ASF/Pump motor rotates in the CCW direction, the Planetary lever unit in
the DE mechanism moves toward the combination gear 12, 22.4.
4. As the Carriage unit moves leftward from the right end of the Carriage guide shaft
by the specified number of steps, the DE lock lever fixes the Planetary lever unit.
5. The driving force of the ASF/Pump motor is transmitted in the following path.
Motor pinion gear → Planetary lever unit → Combination gear 12, 22.4 →
Combination gear 14, 28 → Spur gear 32 (ASF side)
The following shows the part names and operation outline of the DE mechanism.
Figure 2-6. DE Mechanism
Table 2-9. ASF/Pump Motor Specifications
Item Specifications
Type 4-phase, 48-pole PM type stepping motor
Drive method Bipolar drive/constant-current drive
Drive voltage +42V +/- 5% (voltage applied to driver)
Winding resistance 7.0Ω +/- 10% (per phase at 25°C)
Inductance 10.0mH +/- 20% (1kH 1Vrms)
Table 2-10. ASF/Pump Motor Rotation Directions
Rotation
Direction
D/E
ASF Paper Feed
Roller Operation
Pump Operation
CW
*a
*a: CW (CW is defined as the clockwise direction as viewed from the ASF/
Pump motor pinion)
Pump switching
direction
Paper return lever
setting
Pump suction/wiper setting
CCW
*b
*b: CCW (CCW is defined as the counterclockwise direction as viewed from
the ASF/Pump motor pinion)
ASF switching
direction
Paper feed
Pump releasing
Wiper resetting
Combination gear 14, 28
Combination gear
12, 22.4
Planetary lever unit
DE lock lever
Combination gear 17.19, 25.6
ASF/Pump motor
pinion gear
- SERVICE MANUAL 1
- PRECAUTIONS 3
- About This Manual 4
- Revision Status 5
- CONTENTS 6
- Chapter 5 Adjustment 7
- Chapter 6 Maintenance 7
- Chapter 7 APPENDIX 7
- PRODUCTION DESCRIPTION 8
- 1.1 Overview 9
- 1.2 Basic Specifications 10
- 1.2.2 Paper Specification 15
- 1.2.2.3 EPSON Special media 16
- 1.2.3 Printing Area 17
- " Printing area 22
- Specifications 23
- 1.2.5 Release Lever 25
- 1.3 Functions 26
- CODE PAGE SELECTION FUNCTION 28
- EEPROM AND TIMER IC RESET 29
- WASTE INK COUNTER RESET 29
- Firmware version 30
- Code table 30
- CPU mask version 30
- Waste counter 30
- 1.3.13 Error Status 36
- 1.4 Casing Specifications 37
- 1.5 Accessories 37
- OPERATING PRINCIPLES 39
- 2.1 Overview 40
- 2.2 Printer Mechanism 40
- 2.2.1 Carriage Mechanism 41
- 2.2.2 Print Mode 44
- Table 2-4. Dot Sizes 45
- Photo-black + Light-black 45
- Matte-black + Light-black 46
- 2.2.2.3 Head Hot Error 47
- Figure 2-6. DE Mechanism 49
- 2.2.3.5 Roll Paper Feeding 51
- CD-R tray 53
- CD-R home position 53
- (White label position) 53
- PW sensor 53
- Carriage unit 53
- Printhead Driven roller 55
- Star wheel roller 55
- Paper eject support roller 55
- Printhead 56
- Wait time 56
- 2.2.5 Ink System Mechanism 58
- 2.2.5.3 Capping Mechanism 59
- 2.2.6 Ink Sequence 60
- 2.2.7 Paper Cutter Mechanism 63
- 2.2.7.2 Cutter Self-cleaning 64
- 2.2.8 Power-On Sequence 65
- 3.3V Regulator 66
- Power OFF +5VDC +42VDC 66
- Table 2-15. Supplied Power 67
- TROUBLESHOOTING 69
- 3.1 Overview 70
- 3.3 Troubleshooting 78
- Panel board 79
- Panel FFC 79
- Blue line 79
- Fuse (F1) 80
- Connector cable 80
- Label code 81
- Release lever sensor 82
- HP detection position 85
- Carriage unit bottom 85
- PW sensor FFC 86
- Connector 86
- Detection lever 87
- Torsion spring 87
- Sensor base 87
- Spur gear 43 88
- Spur gear 62 88
- CSIC board 91
- Cutter motor 93
- Driver board 93
- Cutter HP sensor (right) 94
- CR motor 96
- Carriage shaft B 96
- PF motor 97
- ASF motor 98
- Left rear side 98
- Extension spring 0.618 98
- DE lock lever 98
- Rear right 99
- CR encoder board 100
- Encoder FFC 100
- CR scale 100
- CR encoder sensor 100
- ASF sensor connector cable 101
- ASF sensor 101
- PF encoder sensor 102
- PF encoder board 102
- Disengaged state 102
- PF scale 102
- Cutter HP sensor (left) 103
- CN10 CN11 103
- Head FFC 103
- Seal rubber 104
- Compression springs 104
- Pump tube 105
- Wiper part 106
- Cleaning lever 106
- CR moving 107
- Star wheel roller unit 108
- Front paper guide 109
- Lower paper guide 110
- Paper eject roller B 110
- Driven roller 110
- PF roller 111
- 3.4 EEPROM Data Analysis 114
- DISASSEMBLY AND ASSEMBLY 115
- 4.1 Overview 116
- 4.1.2 Tools to Be Used 117
- 4.1.3 Screw List 118
- 4.1.4 Pre-Shipment Checks 119
- 4.2 Disassembly 120
- 4.2.1 Removing the Housings 121
- Figure 4-6. Removing the FFC 122
- C A U T I O N 123
- C H E C K 126
- P O I N T 126
- A D J U S T M E N T 130
- R E Q U I R E D 130
- 4.2.4 Removing the ASF Unit 132
- 4.2.7 Removing the Printhead 146
- 4.2.12 Removing the Sensors 161
- 4.2.13 Removing the Motors 168
- ADJUSTMENT 187
- Table 5-7. Adjustment Tools 196
- 5.2 Adjustments 197
- 5.2.2 Head ID Input Function 199
- 5.2.4 PG Adjustment 200
- 5.2.4.1 PG Adjustment Method 201
- The light magenta lines move 204
- ADJUSTMENT Adjustments 205 205
- 5.2.7 PF Adjustment 206
- 5.2.8 PW Sensor Adjustment 207
- 5.2.9 Bi-D Adjustment 208
- 5.2.12 USB ID Input 210
- 5.2.13 IEEE-1394 ID Input 211
- Adjustment) 211
- Printing Function 212
- MAINTENANCE 214
- 6.1 Overview 215
- 6.1.3 Service Maintenance 216
- 6.1.4 Lubrication 217
- MAINTENANCE Overview 218 218
- MAINTENANCE Overview 219 219
- MAINTENANCE Overview 220 220
- Driven Pully 222
- APPENDIX 226
- 7.1 Connector Summary 227
- 7.1.2 EEPROM Address Map 231
- 7.2 Exploded Diagram 236
- APPENDIX Exploded Diagram 237 237
- APPENDIX Exploded Diagram 238 238
- APPENDIX Exploded Diagram 239 239
- APPENDIX Exploded Diagram 240 240
- APPENDIX Exploded Diagram 241 241
- APPENDIX Exploded Diagram 242 242
- APPENDIX Exploded Diagram 243 243
- APPENDIX Exploded Diagram 244 244
- APPENDIX Exploded Diagram 245 245
- APPENDIX Exploded Diagram 246 246
- APPENDIX Exploded Diagram 247 247
- 7.4 Circuit Diagram 253
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