Beijing TX Series - Uneven print content.; Printing action looks normal, but nothing is printed.

TX-1xx Series Printer Operation Manual
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2.Sample Code：Use the code input method to input the sample name and print
it in the header. You only need to enter a simple numeric code to output the
corresponding sample name. Please refer to Section 8.4 “Code Input Method".
3.Sample LOT.：Print a lot number in the header. If the input content is empty,
the lot number will not be printed; if you want to output the lot number with
empty content, you can enter a space.
4.Name in data：Output the sample name in front of the weighing data, it will
only be printed once, if necessary, please enter the sample name before each
weighing.
5.Code in data：Use the code input method to input the sample name and print it
in front of the weighing data. You only need to enter a simple numeric code to
output the corresponding sample name. Please refer to Section 8.4 “Code Input
Method". It will only be printed once, if necessary, please enter the sample name
before each weighing.