Question about HP LaserJet 4730xs Printer

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When scanning/copying from the document feeder, scanes often have blank strip all the way down the center of the page

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  • roger640 Jul 14, 2009

    I found a solution at the troubleshoot pages @ HP.com

    See how to clean the mylar strip:
    http://www.hp.com/cpso-support-new/pq/47...

    There was a small bit of paper caught at the top of it.

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Open up the document feeder and clean the SCANNER GLASS with alcohol.

Posted on Jul 14, 2009

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I have a Epson cx11 and get a black vertical line down the middle of scans and copies


Check your flat bed and Document feeder scanning glass need to be clean, if any dot or dust in scanning glass of document feeder it will appear a line, check this points first
1- Check printouts from computer or FAX if it is clean problem in scanning section
2- Check using Copying a blank paper using only Flatbed if it prints without any line its problem from document feeder Scanning glass
So solution is clean the Document feeder scanning glass using wet cloth, note careful about wet cloth switch off the machine and clean it

Feb 04, 2013 | Epson AcuLaser CX11NF Printer

1 Answer

How do I scane on my mx310


You will need to plug the printer andcomputer together with a USB cable in order to use the printer's scanningcapabilities. The scanning unit on theMX310 features an automatic document feeder on top of the printer, which willscan multiple pages itself. You can also choose to load documents on thescanning glass, which is covered by the scanner's lid. This is how to do it. 1. Turn on the printer by pressingthe "Power" button until it illuminates and turn on the attachedcomputer. Wait for the printer to finish its initialization process beforecontinuing. 2. Place the document face up inthe automatic document feeder if the document's papers are uniform in andfit in the feed tray. Adjust the paper-width guide to the of thedocument's papers. 3. Place the first page of thedocument face down on the scanning glass after you have lifted the scanningunit's cover, if you choose to not use the automatic document feeder. Close thecover again slowly so the document does not shift on the glass. 4. Press the "Scan"button on the printer's control panel, then press either "Black" or"Color," depending on the type of scan you would like to perform. 5. Retrieve the scanned documentfrom the automatic document feeder's output tray once the scan job is over.Otherwise, click on the "Yes" button on the computer's screen,indicating you would like to scan another page. 6. Lift the scanning unit's cover,remove the document from the scanning glass and place the next page of thedocument face down on the glass. Close the scanner's cover and click on the"OK" button on the screen to scan the next page. Repeat this processuntil all of the document's pages have been scanned.

Jan 13, 2011 | Canon PIXMA MX310 All-In-One Printer

1 Answer

Ricoh MP 2500 copied documents have a line across top of page when fed into document feeder when document is scanned the line appears on the scanned version as well. line does not appear on...


Clean the scanner strip glass. This is the thinner strip of glass that runs from front to back right next to the large glass. This glass is only used when scanning/copying using the document feeder. The line you are seeing is because something has become stuck to the glass so when the documents are fed over the strip of glass, the scanner reads the stationary spot of debris as a solid line. Clean the glass very well using a cloth and some glass cleaner. I have seen something get under the glass as well but this is very rare. Rest assured tho that the line is being caused by something on this strip of glass.
Good Luck and Thank You for using Fixya.
WheatlandServices

Nov 21, 2010 | Office Equipment & Supplies

1 Answer

What causes a line down the middle of copied pages


There is something on your scan glass. My guess is you are getting the line on your copies when you run the original through the document feeder. If you get lines through the document feeder but not on copies made off the glass then it is a dirty scan glass. There is a thin glass strip where the document feeder feeds the original. Usually something like white out that did not dry smears off an original and ends up on this thin strip of glass. Scratch it off with your finger nail and use some glass cleaner to resolve the problem. The scan glass is about 1/2 an inch to an inch wide and will be on the same side of the machine that the copier feeds the originals in on.

May 24, 2010 | Canon imageCLASS MF6530 Monochrome Laser...

1 Answer

We have a black line down the center of all copies...


If the problem only happens on copies or sent faxes then no it is not your drum. There is something on your scan glass. My guess is you are getting the line on your copies when you run the original through the document feeder. If you get lines through the document feeder but not on copies made off the glass then it is a dirty scan glass. There is a thin glass strip where the document feeder feeds the original. Usually something like white out that did not dry smears off an original and ends up on this thin strip of glass. Scratch it off with your finger nail and use some glass cleaner to resolve the problem. The scan glass is about 1/2 an inch to an inch wide and will be on the same side of the machine that the copier feeds the originals in on

May 20, 2010 | Office Equipment & Supplies

1 Answer

WHITE LINES ON FAXES SENT


You have white out or some other white substance blocking your scanner optics. I am assuming this is a thin blank line. What you need to do is make a copy of a document with your machine. You should see the very same blank line on your copy that your customer is seeing on their received fax. Now take this copy and place it in the document feeder the same way you placed the document when you made your copy. Now imagine this document going thru the feeder. The strip that is blank will "match up" with the white out or whatever is causing the blank line. You just need to open up the feeder section where the documents go in to be scanned and look for the thin strip of glass that runs from one side to the other. Using the copy you made with the blank line, use it to see exactly where the glass should have something stuck to it and clean it off with a soft clotch with a little glass cleaner on it. Go ahead and clean the while glass while you are in there. Once clean you can close it back up and run another copy to insure that all the lines are gone.
Good Luck and Thank You for using Fixya.

May 12, 2010 | Canon L220 Plain Paper Laser Fax

1 Answer

Blank line down left side of outgoing fax or feeder copy


The most common cause of blank (void) lines on a scanned document is from whiteout on the glass where the page is scanned when using the document feeder.
If there is a clear mylar sheet on the bottom of the document feeder, the whiteout may be there instead.

If there was dirt or a dark smudge on the glass (or mylar), it would show up as a black line, but whiteout is white, and shows up as a void (blank) line.

Mar 11, 2010 | HP Officejet Pro L7680 All-In-One Printer

2 Answers

Brother MFC-7820N Printer--vertical lines


You need to clean the scanner glass. Also known as the strip glass. It is a 1 inch wide strip of glass that runs from the front to the back. Your documents pass over this glass when they are scanned. Some of the wax crayon probably smeared off onto the glass and now when you scan the scanner sees these marks as stationary and thus records them as solid lines. Just look into the scanner section where your documents are fed in or depending on model, some are just to the left of the large original glass.
Good Luck and thank you for using Fixya.

Feb 25, 2010 | Brother MFC-7820N Printer

1 Answer

Vertical lines about one half inch apart down center of the page when fed through the document feeder. No problem with fladbed copying or scanning.


If you open to document feeder and look at the glass when scanning via flatbed, just to the left will be a smaller piece of glass. That is the glass used when scanning through the feeder. Clean that glass as there is probably a couple of spots on it.

Jun 30, 2009 | HP LaserJet 3030 All-In-One Printer

1 Answer

Lines on copys when i feed through top feeder


There is a small strip of glass under the feeder.Not the main glass, but look where the lamp is sittting in the start position.
You have something on that section of glass.
It may be very tiny, but that is what causes that. Best way I have found to get that clean is with some alcohol and just a plain piece of copy paper crumpled and used as your cleaning towel.
The reason it is there only when you copy through the feeder is this. When you copy off the glass, the lamp moves and scans the original end to end. So a spot is simply a spot.
When you run through the feeder, the lamp parks and the document passes over the lamp scanning that way. So any mark between the lamp and document will repeat and be line down the page.

Mar 28, 2008 | Sharp AL-1642CS Copier

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