Sharp MX-M623 MX-M623 MX-M753 Operation Manual - Page 842

TROUBLESHOOTING Problem The printer driver is not installed correctly by plug and play (USB connection in Windows). Point to check Did you connect the machine to your computer before installing the printer driver? Solution Check the details below and reinstall the printer driver correctly. If the machine was connected to your computer with a USB cable when the printer driver was installed, check if information on the unsuccessful installation remains in "Device Manager". (For information on "Device Manager", see Help in Windows.) If the model name of the machine appears in "Other devices" in "Device Manager", delete it, restart your computer, and install the printer driver again.  The printer driver cannot be installed (Windows 2000/XP/Server 2003) If the printer driver cannot be installed on Windows 2000/XP/Server 2003, follow the steps below to check your computer settings. 1 Click the [start] button and then click [Control Panel]. In Windows 2000, click the [Start] button, point to [Settings], and click [Control Panel]. 2 Click [Performance and Maintenance] and then [System]. In Windows 2000, double-click the [System] icon. 3 Click the [Hardware] tab and then the [Driver Signing] button. Check the settings in "What action do you want Windows to take?" ("File signature verification" in Windows 2000). If [Block] is selected, the printer driver cannot be installed. Select [Warn] and install the printer driver again. 4 8-23 Contents