Epson ActionScanner II Manual de Serviço Página 70
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- Índice
- RESOLUÇÃO DE PROBLEMAS
- MARCADORES
Avaliado. / 5. Com base em avaliações de clientes
Table 5-8. Carriage Moves and Crashes into Frame
Cause Step Checkpoint Finding Solution
HP sensor may be bad. 1 — —
Replace the HP
sensor.
Table 5-9. Lamps Do Not Light
Cause Step Checkpoint Finding Solution
Connector CN3 on the
B034 MAIN/ MAIN-B board
may be disconnected.
1
Is connector CN3 on the
B034 MAIN/ MAIN-B board
disconnected?
Yes
Connect CN3 on
theB034MAIN/
MAIN-B board.
A connector on the inverter
board in the scanner head
may be disconnected.
2
Are any connectors on the
inverter board
disconnected?
Yes
Connect the
connector on
inverter board.
Lamps may be dead. 3
Does the scanner work
after you replace the lamps?
Yes Scanner OK.
The inverter board in the
scanner head may be dead.
4
Does the scanner work
after you replace the
inverter board?
Yes Scanner OK.
The B034 MAIN/ MAIN-B
board may be dead.
5— —
Replace the B034
MAIN/ MAIN-B
board.
Table 5-10. Lamps Light before the Error is Displayed
Cause Step Checkpoint Finding Solution
Connector CN2 on the
B034 MAIN/ MAIN-B board
may be disconnected.
1
Check whether connector
CN2 on the B034 MAIN/
MAIN-B board is
disconnected?
Yes
Connect CN2 on
theB034MAIN/
MAIN-B board.
A connector on the CCD
board in the scanner head
may be disconnected.
2
Are all connectors on the
CCD board connected?
No
Connect the
connector on the
CCD board.
The B034 PSB/PSE board
may be dead.
3
With the power on, is there
an output of +12 VDC
between pin 4 (+) between
pin 8 for CN2 on B034
PSB/PSE board?
No
Replace the B034
PSB/PSE board.
The scanner head may be
dead.
4
Does the scanner work
after you replace the
scanner head?
Yes Scanner OK.
The B034 MAIN/ MAIN-B
board may be dead.
5— —
Replace the B034
MAIN/ MAIN-B
board.
Troubleshooting GT-5000 / Action Scanner II Service Manual
5-6 Rev. A
- SERVICE MANUAL 1
- PRECAUTIONS 4
- REVISION SHEET 6
- TABLE OF CONTENTS 7
- Chapter 1 Product Description 8
- 1.1 FEATURES 10
- Table 1-1. Optional Units 11
- 1.2 SPECIFICATIONS 12
- 216 mm (8.64 inches) 13
- (11.88 inches) 13
- 1.3 INTERFACE SPECIFICATIONS 14
- 1.3.2 SCSI 16
- 1.3.2.3 SCSI Status 17
- 1.3.2.2 SCSI Commands 17
- 1.3.2.4 SCSI Messages 18
- 1.3.2.5 SCSI Pin Assignments 18
- 1.4 BUTTONS AND INDICATORS 19
- 1.5 SELF-TEST 19
- 1.6 ERRORS 20
- Scanner Data Request 22
- Byte Sequence Mode Reading 24
- 1.7.3 Data Block Formats 25
- Figure 1-13. Line Data Format 25
- 1.7.4 Format of Status Byte 26
- Figure 1-15. Status Byte 26
- Table 1-7. Color Attributes 27
- 1.8 SCANNER FUNCTIONS 28
- 1.8.2 Output Resolution 29
- 1.8.3 Zoom 29
- Figure 1-16. Zoom 29
- 1.8.4 Reading Area 30
- 1.8.5 Color Mode 30
- Figure 1-17. Reading Area 30
- 1.8.6 Digital Halftoning 31
- 1.8.7 Color Correction 32
- 1.8.8 Brightness 32
- 1.8.9 Sharpness 32
- Figure 1-18. Brightness 32
- 1.8.10 Gamma Correction 33
- 1.8.11 Scanning Mode 33
- Figure 1-19. Gamma Correction 33
- B034 PSB/PSE Board 34
- Carriage Assembly 34
- (Scanner Head) 34
- B034 MAIN/MAIN-B 34
- Figure 1-21. B034 MAIN Board 35
- 1.9.5 Upper Case 37
- Figure 1-26. Upper Case 37
- Table of Contents 38
- List of Figures 38
- List of Tables 38
- 2.1 ENGINE OPERATIONS 39
- Photosensitive Section 40
- Transmission Section 41
- 2.1.2 Carriage Operations 42
- 2.2 POWER SUPPLY OPERATIONS 43
- 2.3 CONTROL CIRCUITS 45
- 2.3.2 Reset Circuit 48
- Rev. A 2-13 51
- 3.1.1 Precautions 53
- 3.1.2 Tools 53
- Table 3-1. Tools 53
- 3.1.3 Small Parts 54
- 3.2 DISASSEMBLY AND ASSEMBLY 56
- CPS-tite (PS) (M3x6) 57
- Timing Belt 57
- CBP-tite (M3x12) 58
- ASSEMBLY POINT 59
- 3.2.6 Removing the CR Motor 60
- HP Sensor 61
- Inverter Board 62
- CR Cover 62
- Lamp Holder 62
- Chapter 4 Adjustments 63
- Chapter 5 Troubleshooting 64
- 5.1 OVERVIEW 65
- 5.2 SELF-DIAGNOSTIC FUNCTION 65
- 5.3 TROUBLESHOOTING 66
- Table 5-9. Lamps Do Not Light 70
- Table 5-11. Image Unclear 71
- Chapter 6 Maintenance 75
- 6.1 MAINTENANCE 76
- 6.2 LUBRICATION 76
- 6-2 Rev. A 77
- Rev. A 6-3 78
- APPENDIX 79
- A.1 CONNECTOR PIN ASSIGNMENTS 80
- A.2 CIRCUIT DIAGRAMS 84
- A-6 Rev. A 85
- Rev. A A-7 86
- A-8 Rev. A 87
- Rev. A A-9 88
- A-10 Rev. A 89
- Rev. A A-11 90
- A-12 Rev. A 91
- A.4 EXPLODED DIAGRAMS 92
- Figure A-14. Exploded Diagram 93
- As of September 1994 96
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