Question about Zebra GK420D Direct Thermal Label Printer

1 Answer

Barcode prints fuzzy

It looks like the barcode is being dithered. I had a similar problem on another computer. Then , I just turned dithering off. I've done that here as well but the problem persists. Some barcodes print clearly but others that have more characters print fuzzy. They appear fine onscreen and print fine on other printers.

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  • Eric Isaacson
    Eric Isaacson Apr 16, 2014

    I haven't. On the one computer, it prints fine so I don't think there's actually anything wrong with the printer, just the settings. I've even tried exporting and importing settings. That doesn't help.

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  • 17 Answers

Have you tried to "clean" the printerheads. You know like you would do with a normal printer. Sometimes the printheads go stucked with old ink(wich you cannot see on screen ofcorse)

Posted on Apr 16, 2014

Testimonial: "I haven't. On the one computer, it prints fine so I don't think there's actually anything wrong with the printer, just the settings. I've even tried exporting and importing settings. That doesn't help."

  • Eric Isaacson
    Eric Isaacson Apr 16, 2014

    Add a CommentI haven't. On the one computer, it prints fine so I don't think there's actually anything wrong with the printer, just the settings. I've even tried exporting and importing settings. That doesn't help.

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6 Suggested Answers

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SOURCE: improper printing of barcodes

recalibrate the label length in the printer(hold feed and power up). from memory bar-one uses the label settings from windows, so go into printers and faxes under control panel and correct the label size

Posted on Nov 09, 2007

jigeo
  • 57 Answers

SOURCE: Zebra LP 2844

The printer is in line mode. Do the following to take it out of line mode:
Turn printer power off.
Hold the feed button while turning printer power on.
When the light starts flashing, release the feed button.
When the light starts flashing again, press and hold the feed button.
When the light turns steady amber, release the feed button.
When the light turns steady green, the mode is changed.
Verify the mode by printing and inspecting a status report.

This requires good timing and may take several tries. You'll know it worked if no labels are reeled out after you're done.

Posted on Apr 24, 2008

  • 45 Answers

SOURCE: Zebra TLP2844 does not print the barcode label

Turn off the printer, then hold down the feed button while you turn it on again. After the configuration label prints, turn the printer off and on again,then try to print your labels.

If the barcodes still don't print, make sure they don't extand past the top, bottom or side of the label. If you software allows you to "clear the label cache" or "re-image the enitre label", try that.

Posted on Sep 23, 2008

  • 1 Answer

SOURCE: Zebra LP2844-Z - no longer prints a barcode on a specimen label

Added ''3 of 9' font to C:/Windows/Fonts.
Opened Word document, selected 3 of 9 as Font and typed a word.

Went back to printer and it printer the accession number and barcode.

Posted on Mar 31, 2009

  • 9 Answers

SOURCE: Unwanted underscores added to 2D barcode scan

are they the same barcode type?
what is the font set at? using Arial or other fonts can make the software send a more complicated image. use the Zebra Triuverate font. this keeps it simple. also, do a print out of the settings on each printer and compare them line by line. change the settings to match the printer that is printing correctly.

Posted on Aug 31, 2009

Testimonial: "Thanks. Printing out the settings helped me realize it was not a printer issue. It was a software issue. Installing older version of software fixed it"

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