Notes and Restrictions
569
Appendix
15
îš„ PKI Encryption and PKI Signature of PDF and DocuWorks Documents
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PKI (Public Key Infrastructure) encryption of PDF is not available. A certificate is not used
for password encryption.
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If a message stating that a certificate revocation could not be checked is displayed and
a signature verification error occurs in the viewer of DocuWorks and PDF, confirm the
certificate revocation setting in the viewer.
îš„ Digital Signature of PDF
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The security handler (XERX.FX.PPKMS) of Xerox is not provided.
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When a PDF document signed by the machine is displayed with Adobe Acrobat (Reader),
a message stating that no handler is found for signature confirmation may be displayed.
In this case, select [Windows Digital Certificate] or [Adobe Default Security].
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A certificate to be used for PDF digital signature must meet the conditions described in
the "S/MIME" section.
îš„ S/MIME Communication
The E-mail and Internet Fax services support S/MIME.
îš„ Searchable PDF
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We recommend that you set [300 dpi] for [Resolution] when you use the optical character
recognition (OCR) feature.
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For Store to Folder, you cannot select [Searchable] for [Searchable Text].
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When you use CentreWare Internet Services to retrieve a file from a folder, you can set
[Searchable Text] if all scanned images of the file in the folder are set as follows:
- Image Size: 15 x 15 mm to 309 x 432 mm
- Color Scanning: Auto Detect, Color, Grayscale, Black & White (Black & White only for
some models)
- Original Type: Photo & Text, Text (for faxes, all types)
- Color Space: sRGB
- Resolution: 200dpi, 300dpi (for faxes, all resolutions)
- Reduce/Enlarge: 100% (for faxes, all ratios)
îš„ Compression Format of Scanned Images
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You cannot retrieve grayscale or color images in uncompressed (Raw) format.
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JBIG2 compression of PDF is supported.
îš„ Preview of Scan File
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The output is not rotated even when the previewed image is rotated on the screen in the
following cases:
- The document is output in TIFF or JPEG
- The document is scanned to a folder
- The document is scanned using a job flow sheet
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If a preview image is not what you expected, cancel the job, configure the settings, and
then scan the document again.
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If you cancel the scanning of a document by pressing the <Stop> button on the control
panel or the [Delete] button in the touch screen, selecting [Preview] may not display all
the scanned files.
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