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Re: scanned image appears with lines going through it
It is possible, but first try cleaning the glass with a window cleaner and a soft cotton cloth and under the scanning options increase the quality to a higher setting and see if this helps at all. You may even benefit from purchasing a new scanner if this does not work as they a fairly resonably priced and will save you the hassle of repairing it.
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its important to find out whether the \'lines\' are in scan direction/ or only through Radf or only from scan glass,
if the lines are only showing when documents are fed throught the Radf, then the problem lies with the document scan plate( left of the main glass platen (about 2" in width)) or with the scan plate blade cleaner
if the lines ONLY appear when copying from the Glass then the issue lies within the optics (probably nothing more than a clean will be needed)
another question would be to ask if the lines are solid (black line overprinting image) or if they are \'missing\' lines where the image has failed to copy, sometimes it can be hard to work out which side the fault lies,so try shaded greys as a copy original .
if the scan lines are appearing on both Radf and Glassplatten ,mode then the issue may be dirty optics/ccd sensor or it could e an indication of the ccd failing or image control pwb in error while interpreting the image file.
what to do
1) place a grey sheet of paper in the Radf and have the copier photocopy both sides of the original and print to single sided sheets ( so the printer turns the original over to complete the task)
observe the result.
2) have the copier photocopy directly from the platten glass- single sided.
observe the result.
ckeck to see if the error has appeared on both sets of prints ,
if the error has only appeared in the first set of prints then the issue may be a tiny DOT on the slit glass (left of platten) - a dot on this glass will indeed appear as a Line as the original is scanned across the glass.
Make sure you have the emulsion (image) side of the slide towards the scanner sensor. Some scanners have a special setting for film still in slide holders to correct for focus. You may need a photo edit program to help with color and density. I find no difference from 35mm to split 5x7s altho bigger is always better.
Are you using the software from HP? It sucks. Use the one provided my your operating system works great. Go your Control Panel, Printer and other Hardwares and click Scanners, make a shortcut to your task or start menu and Scan Away!!!!
Is the scanner scanning normally otherwise? Try scanning a printed matter with white background and if it is okay, then the streaking may be because of excess brightness chosen. Check if the paper movement is at constant speed. If it is smooth paper, it may slip and the same area may scanned again, appearing like a streak.
What model of scanner are you using? Is it white light based or RGB LEDs (Light Emitting Diodes). Very rarely it may happen that the Red and Blue LEDs are not glowing may be because of loose contact, but this very rare occurence. Try reloading driver software.
The following came from HP's site. I have also included a direct link for troubleshooting to your model if the following does not help at the very end of this post.
Hope this helps!! :)
Scanned image quality is poor
A dirty scanner glass (fingerprints or smudges) will slow down performance and will affect scan quality because the unit is scanning the smudges on the glass. Turn off the unit and clean the glass with a soft cloth or sponge slightly moistened with a non-abrasive glass cleaner.
Reinitialize the scanner by shutting down the HP all-in-one and then unplugging the power cord. Make sure that all originals are removed and that the scanner glass is clean. When the power is reconnected and the HP all-in-one is turned on, the scanner will recalibrate.
The video driver and video settings on the computer may slightly change the image appearance. The HP all-in-one scans in 24-bit color. Setting the video display settings to less than 24 bit or 24 million colors will result in a loss of color information when displayed on the computer monitor. The video driver itself may change the appearance of colors when viewed on the monitor.
Changing the image size will affect how the scan appears. Resizing the scan may make the image fuzzy. Resize the image in the destination or make the original smaller.
When scanning an image, save it to a different file format. For instance, save it as a JPEG or TIFF file. When saving a scan as a JPEG, there is often an adjustable quality or compression setting. If the scan is to be used in Windows (such as in a screen saver or for wallpaper), the scan must be saved as a Windows bitmap (.BMP).
The destination can represent colors differently than they appear in the original. If the destination is the image editor, modify the colors in the image editor.
Make a copy with the same quality settings. If the copy looks better than the scan, the imaging software may be affecting the scan quality. For example, Adobe PhotoDeluxe supports printing at 300 x 300 dpi only, even though the all-in-one product is capable of 600 x 600 dpi. Some versions of Adobe Acrobat change images to either 75 or 150 dpi, depending on the version.
Some image editors also convert the file into their own format or use a different default format resulting in loss of quality during the conversion process.
have u checked,the driver software reinstalling,u also try to preview n scan image by going to my computer ,right clk on the icon hp 2400 scanner ,clk get pictures,fist check preivew,then scan.check for the results ?,if not ok ,pls revert for further solution