We are trying to print a batch of labels onto a Zebra printer. However, there are two problems: - Sometimes some labels are missing - Sometimes some labels appear in the wrong order
The Zebra printer is setup as a Text/Generic printer in Windows. We copy temp-files with ZPL to the printer. Each label is individually copied to the printer (using .NET File.CopyTo(...). Sometimes the number of labels/files sent to the printer is > 1000.
Due to logging we are pretty sure all the labels are copied to the printer queue correctly and also that they are copied in the correct order.
Any suggestions?
If you are connecting to the printer on the network the printer can only allow a limited number of connections. So if you send many labels at once the printer will accept some of the connections, but refuse the others. The OS will then attempt to reconnect but that will not be in order.
You have two choices: open a connection to the printer and send all the jobs to that connection or merge the print jobs into a single file and send that.