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An alternative method for embedding "transparency" data within a text stream, is called hex passthrough. A one- or two-character user defined "trigger signature" switches the processing of the datastream from normal text to hexadecimal conversion.
Hex blocks consist of a combination of hexadecimal digits and spaces. The trigger signature character is not printed in the output. It simply signals that the job is entering hex passthrough mode, and then the signature character is discarded. Hex passthrough blocks may be embedded in LU1, LU3, and LU4 print streams.
You may select the appropriate trigger from the Settings - Printer Data Stream page.
Select one of the following options for more information on hex passthrough:
To enable hex passthrough blocks
From the printer session Options menu, choose the Settings command.
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Choose the Settings button from the toolbar.
The Settings - Connection dialog box appears.
Select the Printer Category.
Choose the Data Stream tab.
Select the Enable Hex Passthrough option.
Select the appropriate Trigger signature from the drop-down list.
Choose the OK button to save your changes and close the printer settings dialog box.
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Choose the Apply button if you want to save your changes and continue to other configure printer settings.