Printer prints every second line or prints 4 lines then skips a line or only prints half a line.....the top part of the line is missing.

You need to run the the setup software that came with the printer to line it up correctly, or the in cartage needs change.

is this a case of the dots are missing for a valid line, or do you mean a line feed is added at the end of a line, ie you get 3 lines of text occupying 4 lines of space , or 4 lines of text occupies 4 lines of space, but one line has no printed dots on it? to make it more obvious, what does a document with say text thats 3cm tall look like? as it sounds to me like contacts need cleaning.. *** note for info: do not rely on printouts from within a BROWSER as that may have unpredictable results. All text will be treated as a large block of PIXELS and Not TEXT. also Non Printer fonts could cause similar issues.

run the cleaning cycle in the software for your printer. Sounds like your ink might have gotten a little dry and clogged up.

Try printing out the test page from the printer, this will show you if any of the inkjet holes are getting plugged. If you can't print a test page without the skipping try changing the ink cartridge(s), the test page will show you which one is clogging.

Carl

Have you tried cleaning the sensor? It is underneath the labels oppoistethe print head.

try a letter with brown letters to see if it is the black ink cartridge Refilled cartridges do that from time to time

do a self test on the printer and see what that looks like.

well..did you run a test page?

or clean the print heads?

or recalibrate them?

recommend all these steps for you

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You can adjust the display contrast by pressing and holding the MENU key for 10 to 20 seconds to modify the LCD contrast level.

Seems like a problem with the printer head...It is usual for matrix printers and it happens due to wear and tear..You will have to get the printing head to get replaced..