Zebra MZ 320 printer sometimes doesn't work with android application

We want to print some forms in our android application with Zebra MZ320 printer.

 

 

This is what we do:

 

 

Our android application connect as a client to an other application which is in our windows server.

 

 

We save as a file the output which is designed in this windows application via Zebra MZ320 driver on windows, and we get this file on android application as stream.

 

 

Then, we send this stream file from android application to Zebra MZ320 printer via bluetooth.

 

 

Because of our system is general, when we try to get this output from an other dot matrix printer, we don't get any problem. When we get the same output from Zebra MZ 320 printer which is connected to computer via USB, we don't get any problem again. However, when we use bluetooth connection to get output from the same Zebra MZ 320 printer, some time we get the output perfectly but some other time we couldn't get any output.

 

Can anyone help us about this?

Gregory Pawlik
Hi Zeynep,Can you tell me the

Hi Zeynep,

Can you tell me the part number or SKU of you MZ320?

Also, what firmware version is on it?

Thank you,

Greg

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Zeynep Sam
Hİ Greg,Thank you for your

Hİ Greg,

Thank you for your reply.

The part number is: M3E-0UB00010-00

The firmware version is S3MZ9510

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Gregory Pawlik
Thank you for the information

Thank you for the information, Zeynep.

Try upgrading the firmware on the printer to SHSMZ11z52.

It can be downloaded here.

See if that helps the issue.

Also, have you developed your Android application using the LINK OS SDK?

If not, give it a try.

Although its not listed on the wepage, the MZ320 is supported by the LINK OS SDK.

Hope this helps.

Greg

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Zeynep Sam
Thank you for advices.I tried

Thank you for advices.

I tried to upgrade the firmware but it didn't solve my problem.

We advice to use Zebra MZ320 printer to our customers who use our android application, but some of them are using different printers. Therefore we can not use that SDK.

I want to add this: We print two different forms in our application. These two forms use same codes when they are printed. However, we see this problem only one of these forms. When we couldn't get output of this form, we try to print the second form. In this time, we expect the output of the second form because of print that one, but we get the first form's output which is we print previously.

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Gregory Pawlik
Can you please provide

Can you please provide samples of the forms you are sending to the printer?

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