Prev: Taking apart LS4000
Next: canonscan
From: Barry Watzman on 19 Jan 2008 10:41
You will get better quality if you use gray scale than line art.


Mark F wrote:
> How do I get VueScan to scan full pages from my hp LaserJet 3030 Doc
> Feeder? I am trying to scan complete 8.5 x 11 inch pages with
> "Line art" or "Text". I am trying to produce TIF files.
>
> Am running VueScan 8.4.56 Professional Edition
>
> I am running Windows XP Professional with Service Pack 2 and all
> security, reliability, and availability patches as of 2008 January 10.
>
> I have no problems scanning from the flatbed scanner, although I
> find that I have to use manual cropping to get the entire page.
>
> Although I am only trying to get multipage TIF files of "Line art"
> at 600 dpi, for my tests I have tried single and multiple pages,
> PDF and TIF output, various Scan resolutions, various Media,
> and a bunch of other things.
>
> With "Mode: Doc Feeder" I find that only part of the pages are
> scanned. I don't seem to be able to scan the entire width of the
> document: only 8.459 inches out of 8.5. But the big problem
> is that either the leading edge, the trailing edge, or both
> leading and trailing edge are missing.
>
> I have tried both PDF and TIF output, with various combinations
> of "Scan resolution", "Media", and output Printed Size for PDF
> and "PDF paper size" for PDF. I have tried various options
> for Crop: Manual, Maximum, Auto, 8.5 x 11, 8.5 x 14 and
> I still can't get everything included in the output
> files.
>
> If I mark the leading edge or the trailing edge with a
> black mark about 1/8 inch by 1 inch, I loose much less from
> that edge, but I still loose perhaps 1/64 inch.
>
> However, if I mark both leading and trailing than one of three
> things happen: 1. I see almost to the leading edge, 2. I see
> almost to the trailing edge, 3. I see a part somewhere in the middle.
>
> I can scan with the 8.5x14 page and see more than 13 inches, but again
> not 14 inches. I fed in a page made by overlapping and taping 2 pages,
> resulting in an 8.5 x about 15 inch page.
>
> The PDF page seems to be 8.5 x 14. The scanned area about
> 8.5 by about 12 inches. The scanned area does not show a mark
> on the leading edge that I know can be seen by VueScan and included
> in TIF files (and perhaps PDF files) with other crop settings.
> I am not sure why the scanned area only represents about 12 inches of
> length. The scanned area appears across the entire 8.5 inch width
> of the PDF page, but I know that something less than 8.5 inches of
> width was scanned since I don't see marks on the edges of the
> page. I assume, therefore, that some scaling was done to produce
> the PDF file. The scanned area is centered top to bottom within
> the 14 inch long PDF page. (When I use the flatbed for the same "page"
> everything on the flatbed is scanned, which is 8.5 inches wide
> and more than not as long as can be seen when the page is fed in
> the ADF.)
>
>
>
> The TIF file says it is 8.459 x 11.791 inches. (I don't know
> why it isn't 8.5 x 14.) The scanned area within the TIF
> file seems to match the 8.459 x 11.791 inches that the file says
> it is (so no scaling here.) 11 inches from the top of the actual
> page corresponds to about 10.85 from the top of the image, indicating
> about 0.15 inches was lost from the leading edge of the original page,
> but I know the document feeder is able to see closer to the leading
> edge since my .1 inch mark on the leading edge of the page can
> be seen when scanning using the document feeder and some other
> cropping settings.
>
> Does anyone know how to fix things?
>
> Can anyone suggest other combinations of things to try?
>
> If not, what other information do I need to send to VueScan support
> than:
> . vuescan.log
> . flatbed scan of a sample page
> . complete listing of all values for all tabs in VueScan
> . BelArc Advisor for my system
>
> The specific scan above was done using the following VueScan
> (partial list of) settings:
> Input:
> Task: Scan to file
> Source: LaserJet 3030
> Mode: Doc Feeder
> Media: Color photo
> Media size: 8.5 x 14 in.
> Bits per pixel: Auto
> Batch scan: All
> Scan resolution: 150 dpi
> Rotation None
> (not Mirror)
> Auto scan: None
> Auto save: Scan
> Auto print: None
> Auto eject: Exit
> (not Lock image color)
>
> Crop
> Crop size: 8.5 x 14
> (not Auto offset)
> X offset: 0
> Y offset: 0
> Multicrop: None
> (not Auto rotate)
> Crop orientation: Portrait
> Lock aspect ratio: Off
> Border (%): 0
> Buffer (%): 0
> Preview area: Manual
> Preview X offset: 0
> Preview Y offset 0
> Preview X size: 8.5
> Preview Y size: 14
>
> Filter and Color don't seem of interest here. I took the defaults.
>
> (not Restore colors)
> (not Restore fading)
> Grain reduction: None
> (not Sharpen)
>
> Output (just the stuff that seems related to the problem)
> Printed size 8.5 x 14 in.
> TIFF file
> ...
> PDF file
> PDF paper size: 8.5 x 14 in.
>
> Prefs, Color (I took whatever the program wanted, either by
> default or by interaction with other parameters)
>
> (originally posted in alt.comp.periphs.scanner. Moved here since
> the alt group seems obsolete.)
>
> When I use the software that came with the scanner to scan from
> the ADF, it tells me the page is 8.50 x 14.00 inches, but then
> automatically selects a much smaller area due to a bug in the
> software that doesn't recognize the true document size: 8.20 x
> 13.12 inches for this particular case. I can then adjust to 8.37 x
> 13.34 inches. Looking at "Resize" I can see that I cannot
> make the "Selection Area Dimensions" more than 8.37 x 13.34,
> which might indicate that the ADF can only go up to that
> size, but note that the flatbed can do the entire 8.50 width.
> Putting a black 8.5 x 11 page in the ADF results in the hp
> software saying the page is 8.37 x 10.62. Note that VueScan sees
> a width of 8.459. Also, remember that VueScan can see both the
> leading and trailing edge with, but not on the same scan.
>
> This software says it is
> HP Scanning 2.0
> sct 2
> bdt 0
> fw: (empty)
> agent IE 6
> script engine 5.6.8834
> agent version:
> 4.0 (compatible; msie 6.0; windows nt 5.1; sv 1;
> .net clr 1.1.4322
 | 
Pages: 1
Prev: Taking apart LS4000
Next: canonscan