BenQ 2720S Service Guide - Page 4

Trouble-shooting, Maintenance, Appendix A Frequently Asked Questions - scanner

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Chapter 6 Trouble-shooting 6-1 6.1 Error Code Identification from "Status" LED 6-1 6.2 No Function after Power On 6-1 6.3 Cannot Link with Host Computer 6-1 6.4 Flash "1" time 6-2 6.5 Flash "2" times 6-2 6.6 Flash "4" times 6-2 6.7 Flash "5" times 6-2 6.8 Flash "6" times 6-2 6.9 Flash "7" and "8" times 6-2 6.10 Scan Quality not Good 6-3 6.11 Power Supply 6-3 6.12 CCD Head 6-3 Chapter 7 Maintenance 7-1 7.1 Precaution 7-1 7.2 Housing Section 7-1 7.3 Transmission Section 7-3 7.4 PCB-frame Section 7-5 7.5 Panel Board Section 7-6 7.6 About Resolution 7-7 Appendix A Frequently Asked Questions A-1 A.1 General Questions A-1 A.2 MiraPhoto A-2 A.3 Hardware (Scanner A-6 A.4 Others A-9 ii API Confidential Table of Contents No Copy/Reproduction allowed

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Chapter 6 Trouble-shooting
.............................................
6-1
6.1 Error Code Identification from “Status” LED
.............................
6-1
6.2 No Function after Power On:
..................................................
6-1
6.3 Cannot Link with Host Computer:
...........................................
6-1
6.4 Flash "1" time:
....................................................................
6-2
6.5 Flash "2" times:
...................................................................
6-2
6.6 Flash "4" times:
...................................................................
6-2
6.7 Flash "5" times:
...................................................................
6-2
6.8 Flash "6" times:
...................................................................
6-2
6.9 Flash "7" and "8" times:
........................................................
6-2
6.10 Scan Quality not Good:
.......................................................
6-3
6.11 Power Supply
.....................................................................
6-3
6.12 CCD Head
.........................................................................
6-3
Chapter 7 Maintenance
..................................................
7-1
7.1 Precaution
..........................................................................
7-1
7.2 Housing Section
...................................................................
7-1
7.3 Transmission Section
............................................................
7-3
7.4 PCB-frame Section
...............................................................
7-5
7.5 Panel Board Section
.............................................................
7-6
7.6 About Resolution
..................................................................
7-7
Appendix A Frequently Asked Questions
...........................
A-1
A.1 General Questions
................................................................
A-1
A.2 MiraPhoto
...........................................................................
A-2
A.3 Hardware (Scanner)
.............................................................
A-6
A.4 Others
................................................................................
A-9
ii
API Confidential
Table of Contents
No Copy/Reproduction allowed