[sane-devel] HP ScanJet 5590 issues
j0rd.spam at gmail.com
Thu Mar 18 06:04:32 UTC 2010
I am having the same problems, 3 years later.
1. The edges to not appear to get detected. This is causing overrun's making
ADF pretty useless.
2. In ADF Duplex, the "backside" or "second side" is upside down.
3. I'm not scanning in colour, so I'm not sure about this.
Is there any more advice I can try to get this scanner to work properly in
linux. Under windows, I get edge detection and I'm able to scan properly in
ADF mode. Perhaps it's done in the software instead of hardware, but at
least it works.
Any assistance would be appreciated. Other than these issues, xsane just
seemed to work fine with this scanner under Ubuntu. That was greatly
Paul C. Bryan wrote:
> Hi Ilia:
> Thanks for your work so far on the hp5590 backend.
> I am the owner of an HP ScanJet 5590, and have been experimenting with
> scanning in flatbed, simplex and duplex ADF mode using your backend.
> I've encountered some issues, and wonder if you've heard of these
> problems. I am using the SANE "scanimage" command in all cases.
> 1. "Overscanning" pages (simplex/duplex ADF)
> If the ADF-scanned page is smaller than the geometry set in the -y
> parameter value, content from the following page is included on the
> previous page. It would seem that the backend is not detecting where a
> page is actually physically stopping, and is simply continuing onto the
> next page to get the content it wants. Where there is no content (no
> more pages to feed from the ADF), the remaining "expected" page area is
> filled with a quasi-crosshatch pattern).
> 2. Duplex pages mirrored and upside-down pages (duplex ADF)
> The backs of pages are being scanned mirrored and upside-down. I have
> managed to automate a solution to this in a script (attached), which
> seems to work.
> 3. Color picture scans are streaked (flatbed)
> High-contrast areas in the tops of photos seem to streak down below into
> the rest of scanned photos, causing significant degradation of image
> quality. This kind of streaking does not seem to occur with lineart
> I'd be happy to help further diagnose and correct these issues so that
> the backend can be enjoyed by myself and others.
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