Document Orientation Auto Detection - Canon imageRunner iR2270 Service Manual

Chapter 2
The character code recognized by OCR processing is determined by the language selected
as the display language in user mode. Nevertheless, ASCII characters (English) will always
be recognized regardless of the selected language.
Caution:
The target of transmission of a searchable PDF file must be an e-mail address or a file
server. In other words, it cannot be sent if the target is a group of addresses that include
a fax, i-fax, or Box address.
If the resolution (300 x 300 dpi) is changed after selecting the PDF (OCR), there will be a
dialog box asking if the file format must also be changed to PDF. In other words, PDF
(OCR) cannot be selected unless the resolution is 300 x 300 dpi.

2.1.3 Document Orientation Auto Detection

Document orientation auto detection is available when PDF (OCR) is selected. When a PDF
(OCR) file is sent to an e-mail address or a file server, the result of OCR processing is used
to identify the orientation of the original (with reference to the orientation of characters),
and the file is sent after automatically rotating the image, if necessary, so that the user need
not concern himself with the orientation of the document for transmission. It is important
to bear in mind, however, that any of the following types of documents may be transmitted
in the wrong orientation:
- whose characters are at an angle (+/-3 deg or more)
- which contains white characters against black background, uncommon font, or
handwritten characters
- whose text is not at 300 dpi and is not between 10 and 20 pt
- whose characters per page are appreciably limited in number (ideally, there must be 50
characters or more)
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