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You have written a short VBA subroutine in the OnFormat event of the Detail Section of your report with the intention of setting the Comment Property of the ActiveX Control to reflect the both a comment and the message encoded in the barcode. The code takes the value of the comment property and concatenates it with the value of the Message property, then resets the comment property to the concatenated string. E.g:
When you preview the report in Access everything looks great, but when you print the report it prints the comment and repeats the message: i.e. Comment Message Message This happens regardless of which printer you print to.

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Solution

We do not know why this happens, it seems that Access sends the Message value twice when it is sent to the printer: inserting a msgbox or debug.Print statement to display the value of the concatenated string proves that when sent to Preview or Print Preview the comment is set correctly, but when sent to the printer the Message is repeated in the concatenated string. The Solution is to hardcode your comment, or set the take the comment string from somewhere other than the Comment Property of the ActiveX Control. For instance, if you create a form with a text box on it, you type the comment into the text box and push a button to run the report, your report can take the value of the text box and concatenate it with the message property. The following code uses a hardcoded string variable as a comment rather than the value of the Comment property and will not cause the problem:
Last modified on November 3, 2026