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Re: copy off set
What tray are you making copies out of? Does it happen ( the off setting) from every tray and the bypass tray ( if you have one)? If the copies are offset from only one tray, check the paper guide alignment for the tray ( paper side and end guides in the tray). Check to make sure that the machine see the proper paper size. If you are having the offset problem from all the trays then you are looking at a registration problem and woould need to replace the reg> clutch/ motor.
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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.
The copy is too light. The copy density is set too light. Use the Auto/Photo key to select a darker copy density . The copy paper is damp. Replace the paper. The copy is too dark. The copy density is set too dark. Use the Auto/Photo key to select a lighter copy density . The document was not pressed close enough against the Original Glass. Position the document so that it is pressed closely against the Original Glass. The copy is blurry. The copy paper is damp. Replace the paper. The document was not pressed close enough against the Original Glass. Position the document so that it is pressed closely against the Original Glass. There are streaks through the copy. There are specks throughout the entire copy. The Original Glass is dirty. Wipe the glass with a soft dry cloth. The document pad is dirty. Clean the document pad with a soft cloth dampened with a mild detergent. The original is highly translucent, such as diazo photosensitive paper or OHP transparencies. Place a blank sheet of paper over the document. A double-sided document is being copied. If a thin double-sided document is being copied, the information on the back side may be reproduced in the copy. Use the Auto/ Photo key to select a lighter density for the background. The Imaging Unit has reached the end of its service life. Contact your service representative.
Thecoverplateisabove the glasswhite surfaceof the scanner.If thisisthe samedirtystainswill come outon copies. Theglassmust be clean. By feedingthe original documentsthrough the ADF,the scanner lampis no longerthe pathto scan,the ADFis responsible forpassing theoriginaldocumentover thescanner, whileit remainsstillplacedon the sideunder athinglassistoalargeglass side.Thisalsomust be clean,otherwise youwill be black linesoneach pointor spot onthe glass. Good luck...
Hi, platen glass means that you need to clean the copy glass - glass where you put the originals for copying. If you have an auto document cleaner there is also small glass on left side of "platen glass" wich is seen when you open the copy machine cover or dadf.
The black line is probably from dirt on copy glass, I pressume because courectour liquid ( most common ). use some stronger detergent or wd-40 to disolve the dirt and clean with glass detergent and dry it.
If you still have the black line try to print something from machine.If you do not have it on print its the copy glass problem - clean it - again.
If the scanner is not positioned correctly ,indiferent to make a copy to use the ADF or make to the original glass the copy problems is identical.Clean the scanner glass,original glass and the white level band,the erase lamp and check the OPC drum.If the problem persist need to perform the FD and CD adjust for the paper tray.Make someone copies use the A4R tray,and A3,and see the different. Please answer to help you.You need the position correctly the problem source.
This has a happy ending. But first, the obligatory narrative:
The HP site has advice on how to deal with a document feeder that doesn't detect your document. It doesn't talk about the opposite problem, which is what molecular is describing. I had the identical problem yesterday. I'd place the original on the glass and it kept demanding that I put the original in the feeder. So I got into a chat session with the HP technician. Her advice, (based on the possibility that a power surge had created the problem) unplug from everything, restart, and retry. The problem persisted. I told her so. She broke the connection. Nice.
So here is how I fixed it. Using the Setup button>Tools>3. Restore factory defaults, I returned the device to its factory settings. I put the original on the glass and it made the copy without a problem.
Here is a pure speculation. There are at least two ways to enter settings related to two-sided copying. I had used one to enter the settings (two-sided original to two-sided copy, as it happens) and later tried to use another button to change those settings. I noticed the 2-sided settings did not change. I believe the feeder is the default for two-sided copying. So when the system failed to clear the settings, it failed to clear the default. Once I returned all settings to the factory originals, the problem disappeared.