Printooth from TC20 android doesn't print when thermal printer is in TPCL mode

I developed an APP to run on Zebra TC20 with Android, I am using Printtoth library to print in one thermal printer. My APP is printing nomally when the printer is in ESC/POS mode, but if I change the printer's configuration to TPCL for Label feed control, than the it looks like the printer receive the command but doesn't print. I anyone knows how to control the printer's behaviour by software please share.

Java not found error occurred while running java application in FX9600 reader


I am trying to run a java application (.jar file) in FX9600 RFID Reader through telnet but I am getting error as "java not found".
But, as far as my knowledge, FX9600 reader comes with java pre-installed.
Java was working in RFID reader 2-3 before.

Please if somebody already faced this issue, I would greatly appreciate the help!.


DEVTALK: Learn About Signify VLC Solution l Wednesday, May 15th 10:00 am CDT

In this webinar,  the current generation Zebra handhelds based on SD660 processors such as the PS20, TC52 and TC72 are all capable of high accuracy indoor positioning using the Signify (formerly Philips Lighting) VLC solution which uses LED lighting to provide location beacons.