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Copy button on the operator panel did not work
Fax function did not work
Uninstalling and reinstalling the software
If the All-In-One software is not functioning properly or a communications
error message appears when you try to use your All-In-One, you may need
to uninstall, and then reinstall the printer software.
1 From your desktop, click Start Programs Lexmark X74-X75
Lexmark X74-X75 Uninstall.
Note: If Uninstall is not an option on your menu, see “Software
installation appears incomplete” on page 20.
2 Follow the instructions on your screen to uninstall the All-In-One
software.
3 Restart your computer before reinstalling the software.
4 Insert the CD and follow the instructions on your screen to install
the software. Refer to your setup documentation for details.
Make sure you have properly installed the software (see your
setup documentation). The software must be installed for the
copier to work.
Make sure your computer is turned on. The computer must be
turned on in order for your All-In-One to work.
Make sure your computer is connected to a phone line. A phone
connection is required for faxing to work.