Scan Problems
Cause color cast when scanning from the platen glass
Place documents in the feeder and start scanning.
Scan documents using ScanGear MF, and set to 230-240 in [Advanced Mode] tab 
Click 
[Selects the highlight level.]. If the problem persists, adjust by gradually shifting to a smaller setting value.
Click [Selects the highlight level.]. If the problem persists, adjust by gradually shifting to a smaller setting value.If OCR (Text Searchable) Performs Inadequately
This section explains how the OCR (Text Searchable) function works when creating searchable PDF files, and about the adequate file format for the OCR (Text Searchable) function.
Refer to the following instructions if you cannot obtain the proper result of OCR (Text Searchable).
Refer to the following instructions if you cannot obtain the proper result of OCR (Text Searchable).
OCR (Text Searchable)
The characters that can be processed with OCR are listed in the following table. If OCR processing does not function properly, check the character type.
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Even if you perform OCR according to a language used in the originals, the proper result may not be obtained, depending on the text and file format of the originals. |
Item | Performance of OCR |
Recognition Language | Characters are recognized as one of the following languages or language groups according to a language selected in <Preferences> <Display Settings> <Language>.*1 *2 |
Asian Languages | Text in the following languages is recognized: Japanese, Chinese (Simplified), Chinese (Traditional), Korean |
European Languages | Text in the following languages or language groups is recognized Languages English, French, Italian, German, Spanish, Dutch, Portuguese, Albanian, Catalan, Danish, Finnish, Icelandic, Norwegian, Swedish, Croatian, Czech, Hungarian, Polish, Slovak, Estonian, Latvian, Lithuanian, Russian, Greek, Turkish Language Groups Western European (ISO), Central European (ISO), Baltic (ISO)*3 |
Character Recognition for Asian Languages | |
Recognition Character Type | Japanese: Alphanumeric characters, Kana characters, Kanji characters (JIS first level, JIS second level (partly)), Symbols Chinese (Simplified): Alphanumeric characters, Chinese characters, Symbols (GB2312-80) Chinese (Traditional): Alphanumeric characters, Chinese characters, Symbols (Big5) Korean: Alphanumeric characters, Kanji characters, Korean Hangul characters, Symbols (KSC5601) |
Recognition Font | Multi font supported (Ming-cho type is recommended) Italic type cannot be recognized |
Character Recognition for European Languages | |
Recognition Character Type | Alphanumeric characters, Special characters of the recognized language*4, Symbols |
Recognition Font | Multi font supported (Times, Century, and Arial are recommended) Italic type can be recognized |
*1 Displayed language in the language list in <Preferences> <Display Settings> <Language> may differ.*2 If you select English, French, Italian, German, Spanish, Thai, or Vietnamese in <Preferences> <Display Settings> <Language>, the language is recognized as Western European (ISO).*3 Each language group consists of the following languages. If you select a language group, text written in languages of the language group is recognized.
*4 If you select Greek, the following special characters can be recognized. If you select other languages, special characters for each language can be recognized. Some special characters cannot be recognized, depending on the languages.
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Original Formats
By using a proper file format for OCR, you can improve the accuracy of the OCR result.
If you cannot obtain a proper OCR result, confirm that the file format of the scanned original is appropriate for OCR.
If you cannot obtain a proper OCR result, confirm that the file format of the scanned original is appropriate for OCR.
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If you use originals which contain a large amount of text per page, OCR may not perform properly. |
Item | Details |
Format of Original | Printed documents, Text documents (a document which consists of text, figures, images, tables, and no character slant) |
Format of Text | Horizontal writing, Vertical writing Documents which contain both horizontal and vertical writing can be recognized. Only horizontal writing can be recognized for European languages and Korean. Document without complex columns |
Character Size | 8 to 40 point |