Question about HP LaserJet 3050 All-In-One Printer

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Scanning Problems I am suddenly getting black lines in place of text when I scan a document. Can you help?

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  • CMJMail Jan 08, 2008


    Thank you for your quick response. the lines are horizontal and appear on the screen after I have scanned a document. There is some text, but it is "iterrupted" by the horizontal lines. The printer/copier works fine.

    I did some playing around and discovered that when I save the scan as a file OTHER THAN .pdf, It looks fine. I have not tried printing the .pdf files since they appear illegible on the screen.

    Thanks -

  • CMJMail Jan 08, 2008


    Thank you, Thank you! I did the upgrade for Adobe and everything is working fine. I appreciate your help!




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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?

Posted on Jan 08, 2008

  • Chris Medina Jan 08, 2008

    It sounds like you need to upgrade your version of adobe. It is not a printer problem or a scanner problem. Let me know what ver of adobe you are using by going to the help on the program and then about . This will give you the version ex. Adober reader ver 8.1.0



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How do I scan multiple documents and email them as one attachment

1. Click PDF on the Custom Scan with One-click tab or click PDF in the one-click mode screen to open the PDF dialog box.
* If you wish to convert the text in a document to editable text data, scan the item with the OCR. The precision of OCR is affected by the nature of the scanned original

2. Select the type of document to be scanned.
To scan correctly, select a document type that matches the document to be scanned.

3. Select a file type to save the scanned image.
Select PDF, PDF(Multiple Pages) or PDF(Add Page)
Click Set... to open a dialog box and specify the PDF compression type and other advanced settings for creating PDF files.
4. Place the first original on the scanner and click the [Scan] button at the right bottom corner of the PDF window.

5. When scanning is completed, place the next original and click the [Scan] button.

6. Repeat scanning by clicking the [Scan] button until you finish all the originals.
7. When all the original is finished, click the [Exit] button.

8. When the scan is complete, it automatically starts the application program that displays PDF files and opens the scanned image file in it.

To scan a text document or black and white document, you are recommended to set the Scan Mode to Black and White or Grayscale.
You are recommended to limit the number of pages in any one multiple PDF file to 20 or less if you are scanning a color document with the Image Quality set to 300 dpi and the size to a setting equivalent to Letter size.

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Documents scanned/copied from the document feeder pass over a thin glass area where scanning occurs. Clean this area if sent faxes, copies or scans have black or white vertical lines.
  1. Lift the document cover to expose the platen glass.

  2. Wipe the ADF scan area (C) with a clean, soft, lint-free cloth moistened with water.


  3. Then wipe with a clean, soft, dry, lint-free cloth making sure there are no residues left, especially on the platen glass.

  4. Close the document cover and make a copy of a text document to confirm the black line has disappeared.

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      * B/W Document(Duplex): Select this to scan both sides of monochrome documents.

      * Text(Simplex): Select this to scan one side of text documents.

      * Text(Duplex): Select this to scan both sides of text documents.

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