GRAPHTEC CS500 User Manual page 11

6. TROUBLESHOOTING PROCEDURES ................................................. 6-1
6.1 The scanner is turned on but doesn't operate at all ................................................ 6-1
6.2 The scanner operates improperly after connection to the computer ...................... 6-1
6.3 The control panel's red Error lamp is lit .................................................................. 6-2
6.4 The control panel's red Error lamp is flashing ......................................................... 6-2
6.5 The document isn't properly fed to the initial scanning position ............................. 6-3
6.6 After scanning, image data becomes black or white .............................................. 6-3
6.7 The image quality has dropped .............................................................................. 6-3
6.8 The input image data is incorrectly aligned ............................................................ 6-5
6.9 Smudges not appearing in the original document appear in the scanned data ...... 6-7
6.10 The image-data color intensity differs ..................................................................... 6-7
6.11 The document length differs from the scanned data length .................................... 6-7
6.12 Stripes or moiré patterns which are not in the original document appear
in the scanned data ............................................................................................... 6-7
6.13 After scanning, image quality drops ........................................................................ 6-7
6.14 After scanning, image data is patchy ...................................................................... 6-7
6.15 The document cannot be fed correctly ................................................................... 6-8
6.16 "Document size cannot be acquired" is displayed .................................................. 6-8
6.17 The document to be scanned is too short or too long in length .............................. 6-8
APPENDIX A. OPTIONAL AND MISCELLANEOUS ITEMS .................... A-1
APPENDIX B. STANDARD SPECIFICATIONS ........................................ B-1
APPENDIX C. EXTERNAL VIEW .............................................................. C-1
INDEX .................................................................................................... IDEX1
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