Question about Microtek ScanMaker 9800XL Flatbed Scanner

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Lines appearing in scanned images

When I try to scan a document it will create a bright colored horizontal (sometimes more than one) line across the document. Not sure if it's the processor or the ccds faulting. Anyone experience this problem???

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  • Kwang Nov 14, 2007

    I have changed my connectors from USB to SCSI and i still get these red & green lines on the scanned images. I am not sure how to clean the lense, cause that would be my next step.

  • Anonymous Mar 20, 2014

    Sometimes when i scan a document in full color it looks great and then other times it scans dark. I use the same settings all the time....



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It is due to following reasons 1. dust on lense 2. connector problem 3. laser lense gone 4. missalingment

Posted on Sep 30, 2007


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1 Answer

Bizhub C652 has horizontal lines.

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.

hhope thhis helps

Feb 19, 2014 | Konica Minolta Bizhub C652 Color&b/w...

1 Answer

Horizontal lines on photocopies made but no lines appear when document document is printed.

Hi there, As it sounds its a dirty scanning glass. Open the top of the scanner so that you can see the scanning glass.. If your standing in front of it you will see on the left hand side a strip of thinner glass.. Take a damp cloth (better cloth with spirits/surgical alcohol) and clean the both the small and the large scanning glass. These lines normally cause if the glass is dirty. Especially if your using the document Feeder. As a lot of time wet ink or typex or correction fluid gets stuck on glass which will cause these lines.
Hope it helps

Jul 26, 2011 | Samsung CLX-3175FN Color Laser All-in-One...

1 Answer


Bulb replacement will only repair reduced brightness or contrast problem. Sometimes shadows or lines (usually curved or circular) appear in the image if the bulb is weak or faulty. This will show with the color turned off and a black and white image displayed.

Most visible color faults are caused by optical engine failure. Big cost, as the complete assembly has to be replaced.

Occasionally there are video processing or tuner problems that require serious troubleshooting to determine what board has to be replaced.

If the fault is not visible on the customer menu and appears only with input signal viewed, you may have a cable box or other signal input problem. Check various input signals to see if the problem is visible with all inputs.

Running the channel scan with vhf input signals sometimes clears up a lot of problems. Your cable company may have changed or adjusted rf modulators or other equipment and the tv needs to be aligned to the changed signal. Auto tuner scans will take care of these problems.


Apr 22, 2010 | Panasonic PT-50LC14 50" Rear Projection...

1 Answer

When I scan 4x6 photos there is a line (sometimes green) across the entire photo that used to not be there. Scanning larger 8x11 photos the line does not show or when scanning documents. Help! I'm in...

If line is vertical.

Try scanning a bigger document. Use a blank page big as the scan capacity and scan the blank page.

If for example you are using an a3 scanner, scan a blank A3 page.

When scanning blank page set resolution to an high value, so that you does not lose pixels.

Check scan result, and explore the whole document using zoom to see if the line is still present on the test scan of the blank page.

If there is still the line, then it is either a scanner dirty, probably inside glass, or a dafective sensor on CCD sensor array.

If there is no line, then the problem is usually depending on the software.

In that case uninstall the software and install it again.

If that is not enough to fix the problem, try uninstalling software, doing a system restore to a date before the problem started , and then installing software again.

If the line is horizontal , that is usually a loss of power on the high voltage to lamp.
Try reinstalling software first, if that does not fix the problem , and line is horizontal, then it is fault mentioned above.
Horizontal lines at the end of a document may also be caused by faulty scanner control board, or scanner going out of memory.

Oct 10, 2009 | Fujitsu Office Equipment & Supplies

1 Answer

Lines across scan

It appears to be a freak problem. The best way is to bring it to original condition. Try uninstalling the scanner, run Scandisk on the Comp, Switch off and reinstall the driver. this may work.
S. Mohan

Feb 12, 2009 | Microtek ScanMaker 9800XL Flatbed Scanner

1 Answer

Poor scanned image quality

yes u can repair this try to remove the cover clean up the white tiles which reflect the image, also unscrew it and clean up the mirror and lens

Sep 08, 2008 | Microtek scanmaker 3840

2 Answers

The documents are scanned but dont appear on later inspection, or if they do they are just a horizontal line across the middle

Try reinstalling the driver software. If the problem still persists, run scandisk or reinstall OS.

S. Mohan

Aug 21, 2008 | Canon DR-9080C Path-Through Scanner

2 Answers

White horizontal, zig-zagging lines

Sounds like the flyback transformer is bad. couple of 100 dollars if it is that

Dec 03, 2007 | Televison & Video

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