Question about HP LaserJet 3050 All-In-One Printer

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Line on copy but not on print from computer

Line on copy/ scan; but not on print from computer

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  • HP Master
  • 1,684 Answers

Hello,

The problem you are having is either ink, correction fluid or something has stuck on the scanner pickup image sensor. To clear the material you will need to first open the machine to get to the sensor. To do this pull the control panel forward, it will open just a bit where you load the paper to be sent. If you look down from the top you will see the sensor glass. Use a paper towel sprayed with window clearer. You may have to gently scrub the glass to remove the blockage. You may even be able to see what is blocking the image sensor. After cleaning the glass let it dry for a few minutes before you close it and try copying or faxing.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Posted on May 05, 2010

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Posted on Jan 02, 2017

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  • 31 Answers

SOURCE: Black line when scanning or copying

If the line only appears when the scanner is used & not when printing directly from the computer, you are correct in assuming the problem lies in the scanner assy. There should be mirrors attached to the scanner assy which will gather dust and cause copy/scan problems. Remove the glass & clean the mirrors with a DRY cotton cloth. Do not use any cleaning solution on the mirrors as they are sometimes treated & can be ruined if they come in contact with a cleaning solution. Use the dry cloth to wipe off the lens while you have it apart.Also clean both sides of the copy glass while you have it off. Reinstall glass & test.Cleaning the optics solves the problem most of the time. Good Luck!!

Posted on Jun 25, 2007

checkitright
  • 1362 Answers

SOURCE: Black line on document when I scan from platen or ADF or scan to save as PDF.

As a tech I've never seen that happen. from the doc feeder only Yes, not both the feeder and the glass but not show up when you print from the computer ?????????

For sure there is a dot or something on the small strip of glass, only when you do it from the feeder.
the reason is that the document is moving and the dot on the "small" strip of glass now looks like a line to the copier.

You said it also does it when you lay it down on the glass !!??(platen) that should of indicated the drum has a ring around it, but since it doesn't come out on the PC copy then the glass must have a line on it.

Posted on Oct 07, 2008

Ajkill
  • 2035 Answers

SOURCE: two black vertical lines appear on copy, pdf, and scan results

  1. Unplug the power cord and the phone line from the wall.
  2. Open the control panel.
  3. Pull the roller lever forward, and then lift the white roller out of the All-In-One.
  4. Note: The scan lens is located under the white roller.
  5. Use a clean, lint-free cloth dampened with water to wipe the white roller and the scan lens.
  6. Reinstall the white roller.
  7. Reconnect the power cord and the phone line.
  8. And then try to copy if get the dame line then its the hardware problem in the printer you must need to replace the scanner unit in the printer ..
Good luck..


Posted on Nov 11, 2008

leroyal
  • 2120 Answers

SOURCE: Black line while scanning and copying

Open up the document feeder and clean the scanner glass

Posted on Jan 25, 2009

BigdaddyTDW
  • 62 Answers

SOURCE: 2 vertical, parallel, black, lines print on copy

Sounds like it could be bad cartridge or scanner. Try replacing cartridge first cause this is pretty easy to do and is alot cheaper.

Posted on Feb 12, 2009

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1 Answer

I got the OfficeJet 4500 (not the wireless) and there isn't a phone jack near my computer. Could I set the machine up in the other room and still have the print/scan/copy features work properly?


well yes but you need to connect it to a computer to print,,

by itself with the phone line, you can fax and copy but not scan and print..

Why not just purchase a Phone extension (50'' or what ever length you need and extend the line to a place close to the computer ??

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I have the exact same problem. It was there since I first bought the MFC-7840W.
Vertical line appears in scans using the automatic document feeder (ADF).
Vertical line does not appear when scanning single page (placing it directly on the glass -- i.e. not using the ADF).

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But since I believe a copy is basically a scan plus print, they should be using the same electronics -- a hardware problem on the scan would likely appear on a copy also -- there is some difference between how they accomplish this.
It's definitely not a software issue since it occurs on all versions of Windows and Mac OS X (and multiple computers). It also does not matter whether I "push" the scan to the computer by using the scan button on the MFC... or "pull" the scan from the MFC using the Brother Control Center software.

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Whenever I scan a picture or document I get a line going down the middle of the page. When I print the same document the line prints down the page. THIS only happens on the scan not when I print from the...


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Facing copying problem from scanning section


Although you didn't specify the scanner model, this solution should work.

If the scanner has a top feeder, open it.

You will see a thin strip of glass, either to the left, or right of the large scanner glass.

There is most likely a small spec of ink, white out, etc on it.

Clean the strip glass with rubbing alcohol and the line should go away.

Apr 09, 2008 | Office Equipment & Supplies

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Scanning Problems


I need some more information are the lines horizontal or vertical? Does it print fine from the computer? Does this problem only happen when you scan an item in and then print it or copying an item then print it? Also when you get this output do you have some of the text and lines or just lines?

Jan 08, 2008 | HP LaserJet 3050 All-In-One Printer

1 Answer

Black line when scanning or copying


If the line only appears when the scanner is used & not when printing directly from the computer, you are correct in assuming the problem lies in the scanner assy. There should be mirrors attached to the scanner assy which will gather dust and cause copy/scan problems. Remove the glass & clean the mirrors with a DRY cotton cloth. Do not use any cleaning solution on the mirrors as they are sometimes treated & can be ruined if they come in contact with a cleaning solution. Use the dry cloth to wipe off the lens while you have it apart.Also clean both sides of the copy glass while you have it off. Reinstall glass & test.Cleaning the optics solves the problem most of the time. Good Luck!!

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