Epson LQ 630S Reference Manual page 75

Make sure that EPSON USB Printer Devices appears on the
Device Manager menu (for Windows Me and 98 only)
If you canceled the plug-and-play driver installation before the
procedure was complete, either the USB printer device driver or
the printer driver may be incorrectly installed.
Follow these steps to check the installation and reinstall the
drivers:
1. Turn the printer on, and plug the USB cable into the printer
and the computer.
2. Right-click the My Computer icon on your desktop, then
click Properties.
3. Click the Device Manager tab.
If your drivers are correctly installed, EPSON USB Printer
Devices should appear on the Device Manager menu.
If EPSON USB Printer Devices does not appear on the Device
Manager menu, click the plus (+) sign beside Other devices
to view the installed devices.
Troubleshooting
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