HP (Hewlett-Packard) C6431-90048 Printer User Manual


 
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only one side of the page prints when the automatic
two-sided printing option is selected
Use the following solutions:
Verify that you have selected the Automatic option in Layout.
Detach, then reattach the Automatic Two-Sided Printing Module.
Print the document using the manual two-sided printing feature.
Use a media type supported by the Automatic Two-Sided
Printing Module.
Use a media size supported by the Automatic Two-Sided
Printing Module.
Turn on Background Printing.
See also:
automatic two-sided printing module
manual two-sided printing
If you continue to have problems, contact
HP Customer Care
.