[PROBLEM]
Label printer model: Citizen CLP-621Z
When trying to print a label (from any application. e.g.: OpenOffice Writer), the job is sent to the printer and - instead of printing several labels (in our case we wanted to print 4 pieces), it only feeds a single label, leaving it completely empty.
[SOLUTION]
It seems that the paper size exceeded some constraints and so the printer refused to print. Changing the paper size and margins to smaller values fixed this.
Labelprinter: printing single, empty label
Labelprinter: printing single, empty label
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