Ricoh IM 4000 User Guide - Page 337
Selecting Gray Scale or Full Color for [Original Type] under [Send Settings]
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List of Specifications *2 The number of characters that can be scanned optically is about 40,000 characters per page. • When you select [PDF], [High Comp. PDF], or [PDF/A] for the file format, you can attach a digital signature. You can also specify the security settings for [PDF] or [High Comp. PDF]. • See "Scanning an Original as a PDF with Security Setting Specified", User Guide (Full Version). • To specify High Compression PDF for the PDF type, the following settings are required: • Selecting Gray Scale or Full Color for [Original Type] under [Send Settings] • Selecting [100%] for [Scan Ratio] under [Send Settings] • Selecting [200 dpi], [300 dpi], [400 dpi], or [600 dpi] for [Resolution] under [Send Settings] • Selecting other than [Preview] • Specifying [PDF File Type: PDF/A Fixed] under [Settings] [System Settings] [Settings for Administrator] [File Management] to [Off] Network TWAIN Scanner Item Specifications Scanning resolution 100-1,200 dpi*1 Protocol TCP/IP Operating system • Windows 8.1/10 • Windows Server 2008 R2/2012/2012 R2/2016/2019 (TWAIN scanner runs in 32-bit compatible mode on a 64-bit operating system, so TWAIN scanner is not compatible with 64-bit applications. Use 32-bit applications. IC card Authentication System is not compatible with 64-bit operating system.) *1 The maximum resolution depends on the scan size. WIA scanner Item Scanning resolution (Main scanning × Subscanning) 100-1,200 dpi*1 Protocol TCP/IP Specifications 335