20 Most Recent Zebra Z4M Printer - Page 2 Questions & Answers

First test this: remove the ribbon close head if the error goes away it is not your sensor. Most of the time someone has loaded the ribbon on a little to hard and broke the plastic tab that insure it loads correctly. With the tab gone you may get lucky and load it right sometimes and other times not this is why some ribbons work and some do not.

try to move up the silver plate unther the print head.
this silver plate is the "print head open" and the media sensors.

This is not an error, it is a notification that the head has been open and is now closed. If you get Head Open warning when the head is closed check the metal area over the top of the sensors are clean as it is reflective.

go to this link -- download manual and/or users guide -- drivers available too if required

i could not find HOW TO CLEAR MEMORY in users guide -- you may have to download the manual

http://www.zebra.com/id/zebra/na/en/index/resource_library/manuals.results.html

We had a computer tech change the CMOS battery inside the printer and the display starts to work again.

u can do it yourself. u just need a screwdriver to do that, loose the scew on the top of the head, the plug off the cable from the head

The 160S has a different main logic board, which the processor is different. I wonder if you could try and open up the cache. There is a ZPL command for that, which is COY. You can find this in the ZPL programming manual on the website. I can supply the link if you are still in need of a fix.