Just installed a duplexer on my HP 6000 Officejet but my XP computer does not recognize it.

Question

I get the following response:
"The document has been configured to print using the Automatic Two-Sided Printing Module but the module is not installed in the device."
In fact, the module IS installed in the device.
Any ideas?

Answer 1

I don't know why I didn't think to look before, but I found the steps below in the user manual. Sorry for not thinking of that earlier. Let me know if that works or not.
To activate or deactivate the duplexer
Press and hold Cancel button and Network button for five seconds. After you
release the buttons, the device will print a report letting you know that the duplexer
has been activated.
To turn accessories on or off on Windows computers
1. Click on the Start button on the desktop.
2. Select Printers and Faxes, right-click on your device, and then select Properties.
3. Click the Device Settings tab, and then click Installed or Not Installed to turn the
duplexer on or off.
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