QUESTION
Error code is returned when Printer Open function is called.

ANSWER

1. Check the firmware version.

-> If it is not a production version such as X.32, the printer should be replaced.

Example)

1. VOC contents

Printer Open function between the printer firmware and SDK does not work

2. Cause

– Old firmware before changing commands does not support the function to check the firmware version and setting values using SDK

3. Solution

– Use the latest firmware version with the routine to test the firmware version and to check the setting values.

(The latest SDK is always uploaded into the home page)