If software was installed incorrectly or incompletely, uninstall and then re-install it.
If you are using a Macintosh, see Uninstalling the Printer Driver from a Macintosh
.
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Before uninstalling software or deleting devices, turn off any other printers connected to your computer via USB, or disconnect the USB cable to the printers.
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Screens vary according to the operating environment.
To re-install the software, restart Windows.
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When re-installing the software, see Confirming the Connection Method
.