Question about Zebra QL420 Thermal Printer

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Issue while printing with QL420 Mobile printer.

QL420 printer takes jobs coreectly, but while printing it skips or jumps randomly from the jobs and prints less number of jobs rather than specified number.
please give replay back asap--its very urgent.

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6 Suggested Answers

  • 1 Answer

SOURCE: Printer won't print

Printer doesn't print, just feeds the label.
Check your Labels and Ribbon, ensure you have the right ones.
If you have the right ones, here's what you try.

Hit the "setup/exit" button once. Then hit the "+" button repeatedly until you get to Print Meth. It will say Thermal Transfer. That setting can be changed by hitting the select button and the + button. Change it to Direct Thermal Transfer. Then use the setup/exit button to Temporary save the changes. You can change it back to Thermal Transfer doing the same method.
You will get an error, because the ribbon is in. But you can see it it prints.

Try going to the manufacturer website and read the manual about the printer.
If the printer feeds ribbon and doesn't print, more then likely it's a print head problem. When I mean it doesn't print, I mean from the printer control panel without the computer connected.
If you cannot figure out how to print the internal print fonts or setup from the Zebra 4m+ printer, you again need to go to the manufacturers website and read the manual.

Did a little research, appears that I can get a rebuilt print head for about $400. Instructions to install should be with the print head, if not reverse engineering.

Posted on May 12, 2008

PABLOCSA
  • 1124 Answers

SOURCE: LP2844 printer only prints after reboot

Probably you have some conflict on your printer ports. Go to your installed printer (Printer folder) and select one of them, >> righ click >> go to properties >> Ports

and see which port is taking the first printer, which is taking the second one and which the third one. It is problably than 2 of them are using the same port. (Virtual USB)

Posted on Oct 03, 2008

  • 17 Answers

SOURCE: Configuration settings do not save in 'Permanent' mode

Q1# do you have printer driver? what kind of driver ur using? is your driver from www.zebra.com? Q2#what software u are using to print? Q3#ask the programmer of the software if there is a command that control the settings of the printer Q4# is the software DOS or windows program

Posted on Mar 20, 2009

  • 1 Answer

SOURCE: Printer issue in printing

Hold the button down for a set of four flashes.


http://zebra.com/id/zebra/na/en/documentlibrary/manuals/en/printer_manuals/lp2844z_users_guide__en.DownloadFile.File.tmp/980410-001B_2844-Z_UG_en.pdf

Posted on Apr 29, 2009

  • 185 Answers

SOURCE: I am having problems with Zebra printer MDL#ZM400

Try entering the Menu system and exiting, whilst exiting and instead of saving permanent, cycle around to load defaults. once you have done that make sure the settings are as you need such as Thermal Transfer etc and save permanent. You won't have a problem after that. If you do I would be checking the page setup in the software to make sure it fits the lables.

Posted on Jan 25, 2010

  • 31 Answers

SOURCE: Zebra QL420 portable printer label gets misaligned frequently

There are two things to consider here: 1) Is the printer set to the correct media handling setting? Look in the manual for the terms BAR-SENSE and GAP-SENSE and make sure that you have sent the correct command to the printer. 2) There is a TOF or Top of Form setting that you can send to the printer to align the perforation of the labels with the tear bar. Look for the syntax in the manual, which is free for download at zebra.com, and make sure that your perfs line up with your tear bar.

Posted on Jan 30, 2010

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