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[Bug 667220] Re: Regression from 1.0 to 2.32 - slower scan process

 

So i finally came to testing Simple Scan under precise (3.2.1-0ubuntu2)
and at least with a Canon CanoScan LiDE 20 (04a9:220d) i can confirm the
UI lags are gone (altough the scanner itself is horribly slow).

But as i noticed this bug with an HP OfficeJet integrated scanner i need
to reconfirm for that as well. When i am done with that i will close the
bug report.

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https://bugs.launchpad.net/bugs/667220

Title:
  Regression from 1.0 to 2.32 - slower scan process

Status in Simple Scan:
  Incomplete
Status in “simple-scan” package in Ubuntu:
  Incomplete

Bug description:
  The 2.32 series seems to be slower on scanning than the 1.0.x series.
  This is because there is a longer break between scans, while the speed
  of the scanner is about the same. It seems that the UI is lagging
  behind the real process on the scanner, so the "cursor" on screen is
  about half of the scanned page while the image sensor already reached
  it's end position. Then the image sensor is waiting for the UI cursor
  to reach it's end before it returning to start. This results in a
  longer break between scans.

  This was not the case in 1.0.x and when scanning multiple pages it
  really slows things down.

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