Question about Zebra GK420t thermal transfer and thermal direct label , EPL and ZPL language, 4" 203DPI prin... Printer

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Zebra firmware The LED printer alternately flashes red and green. This indicates a problem with the flash memory. Using ZDownloader the printer seems to record the firmware reaching 100% but continues to flash green and red. Will not fixable?

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Posted on Jan 02, 2017

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SOURCE: Unable to upgrade Zebra TLP 2844-Z printers firmware

Any time you are upgrading the Firmware the light should flash red/orange, when complete the light will come solid green. Serial connections are very slow, you can do the upgrade via the Parallel port which is faster. I would not use the Ethernet port. If the upload is interrupted you could corrupt the main board which will require replacement. Firmware should only be upgraded if there is an issue to be overcome.

Posted on Dec 20, 2009

SOURCE: Zebra Lp 2844-Z printer flashing green and red alternately?

-Install ZDownloader from Zebra's web.- http://www.ups.zebra.com/ctp/upgrade.aspx visit this page and do nothing to use in step 3 part to download for your stable firmware, only find and download it
-Turn off printer and get ready on Zdownloader sofware-You could see easly "Auto Detect Printers" on ZDownloader, press and hold the label feed button and keep your finger in there then click the "Auto Detect Printers", if you are seeing your printer in list now, continue to keep your finger in feed button-Select the firware.prg file, right click with select your printer in list and click "Download to Selected." -you are still keeping your finger in feed button in this time. You will see the feeding will start and your problem fixed.
Sorry for my english, haven't got enough practice.

Posted on Feb 13, 2012

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My Zibra LP2824 Plus flashing red and green lights, how can i fix this problem as i'm in a remote place and don't have technical service for it?


Go to this site it will explain the lights and should tell you enough to fix it

https://km.zebra.com/kb/index?page=content&id=SO8026&actp=RSS

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I have a Zebra GK420t Alternately Flashing Red and Green light error message. How do i clear this.


From the owner's manual:

Alternately Flashing Green and Red: Needs Service 8

8. FLASH memory is not programmed.
• Return the printer to an authorized reseller

You can find the complete owner's manual on Zebra's web site.

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I have a probleme with tlp2844,led error is in red position it can't boot firmware


Try folding a piece of paper and sliding it in the right side of the printer where the Head Up sensor is. If the light comes green the the head up sensor has failed or needs cleaning. Also try resetting the factory defaults buy button press, it is 4 flashes to do this.

Nov 24, 2009 | Zebra TLP 2844-Z Thermal Label Printer

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Unable to upgrade Zebra TLP 2844-Z printers firmware


What is the problem if this works?
May be there is a problem on the boot rom!

Jun 24, 2009 | Zebra TLP 2844-Z Thermal Label Printer

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Flush problem zebra tlp2844


The firmware download utility program comes on the CD supplied with the printer. Use this to download the firmware file to the printer. Check on the zebra website for the latest firmware file. (You should be able to download the Download utility program from the website also. (Steady red may indicate that the printer is set to the incorrect operating mode. Check that you have the correct setting in your printer driver - Thermal Transfer if you use a ribbon, Direct Thermal if not) Easiest way to check is to insert a ribbon and see if printer works)

Mar 31, 2009 | Zebra 2844-Z Thermal Label Printer

3 Answers

Zebra Lp 2844-Z printer flashing green and red alternately?


-Install ZDownloader from Zebra's web.- http://www.ups.zebra.com/ctp/upgrade.aspx visit this page and do nothing to use in step 3 part to download for your stable firmware, only find and download it
-Turn off printer and get ready on Zdownloader sofware-You could see easly "Auto Detect Printers" on ZDownloader, press and hold the label feed button and keep your finger in there then click the "Auto Detect Printers", if you are seeing your printer in list now, continue to keep your finger in feed button-Select the firware.prg file, right click with select your printer in list and click "Download to Selected." -you are still keeping your finger in feed button in this time. You will see the feeding will start and your problem fixed.
Sorry for my english, haven't got enough practice.

Dec 30, 2008 | Zebra LP 2844 Thermal Printer

1 Answer

Trying to setup a Zebra TLP 2844-Z on serial port


Two possibilities are the port configuration and the type of serial cable.

The printer has a feature that will try to match itself to the PC's configuration. Press and hold the feed button until the green status led flashes three times. While the led flashes send a ZPL format to the printer (hopefully you can do this through Design Pro by trying to adjust the printer or print labels, but the labels will not print). When the printer and PC are synchonized, the led changes to solid green.

If you can synchonize but still can't print, the problem might be the serial cable; not all serial cables will work. You should use a full null model cable (all pins connected except 1 and 8).

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Epson C48 red and green lights flashing alternately


Only Solution is Re-burn printer firmware.

Mahesh DG, Pune

Sep 08, 2008 | Epson Stylus Photo 1280 InkJet Printer

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Solid red light after flashing firmware


These are the 3 things listed as being wrong for the status light being solid red:
1. Media is out. Reload a new supply. Press feed button to
continue.
2. Power-up failure. Switch power OFF then back ON.
3. Printer ready to receive flash programming during
firmware download.


There's a programming manual available for download on Zebra's website: https://www.zebra.com/id/zebra/na/en/index/resource_library/manuals.results.html
It might help.

Feb 15, 2008 | Zebra LP 2844 Thermal Printer

1 Answer

Printer


How many times it flashes?. It flashes in Orange or alternately in Orange/Green. This flashing LED has certain count that indicates the error occurs in the printer. To find out how to identify error indicated by flashing LED, please check here ;under article How to identify error indicator. Please tell me soon after knowing how many times the printer LED flashing.
Regards,

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