# Re: Writing Fujitsu M3091 backend

From: Frederik Ramm (frederik@remote.org)
Date: Tue Feb 27 2001 - 10:04:52 PST

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  Hi,

  > When scanning the first page, half the data goes in this large buffer,
  > then when the frontend asks for another page it comes out of the
  > buffer very quickly. The buffer can be discarded when the frontend
  > calls ..._close() so it won't take up RAM all the time.

  That sounds reasonable. But can I be sure that front-ends will support
  reading multiple pages one after the other with no call to ..._close()
  in between? This would not, for example, work with "scanimage", would
  it?

  Bye
  Frederik

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