Error: RFID_ACCESS_TAG_WRITE_FAILED access no response from tag

I'm developing an android application that uses the RFD8500 sled:

 

1 When the trigger is pulled

2 Reads the RFID tag ID

3 Writes data to the RFID tag user space

4 Reads back the data from the RFID tag just written

 

But I get the following error when writing and I'm not sure what it even means:

 

RFID_ACCESS_TAG_WRITE_FAILED

access no response from tag

 

It's intermittent, sometimes I get the above error and sometimes I don't. Is it still caught in a state of reading the tag when writing? If so how can I wait for that to clear?

Andreas Fauerbach
Did you make sure, the tag

Did you make sure, the tag you are using has USER memory at all?

USER (Bank 11) is not mandatory. not every tag has it.

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Matt Johnson
Yes, the tag does have user

Yes, the tag does have user memory.  It intermittently writes without error.  Also even when I get the error it sometimes writes some or all of the data.

What does that error message actually mean, am I writing too fast after the inventory call?

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Andreas Fauerbach
My advise is to take the

My advise is to take the "Zebra_RFID_Mobile_API-1.0.5.15" Sample code from the RFID SDK for Android and start from there.

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