Comment 43 for bug 595650
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| floid (jkanowitz) wrote Re: After the last updates HP printer stopped working | #43 |
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0e1f616
(Get the code!)
Tangentially related to this: If gscan2pdf suddenly refuses to show any "device-dependent options" (such as DPI or color vs. grayscale mode) for the scanner on your multifunction [perhaps due to this bug or side-effects of attempts to correct it], use the "Clear device-dependent options cache" feature in gscan2pdf's Edit->Preferences menu.
This was not terribly obvious, since it takes some exploring to discover there's a 'cache' - it's on by default, since it cuts out some of the wait in normal usage. In my case it cached some sort of corrupt result while unable to communicate with the scanner, and misled me into thinking that the scanimage backend must have remained broken.
[Moral of this story: When in doubt, remember to rename .gscan2pdf aside, or test under a fresh user account.]
I guess I'll open a bug on gscan2pdf to suggest offering a "Refresh cache?" right in the Scan->Options dialog when the cached configuration is corrupt.