Epson DFX-9000 Reference Manual page 129

Printer does not work correctly with the USB cable
If your printer does not work correctly with the USB cable, try one
or more of these solutions:
❏ Make sure that the cable you are using is a standard, shielded
USB cable.
❏ If you are using a USB hub, connect the printer to the first tier
of the hub, or connect the printer directly to the computer's
USB port.
❏ For Windows Me or 98, try reinstalling the USB printer device
driver and the printer software. First, uninstall EPSON Printer
Software using the Add/Remove Programs utility in the
Control Panel, then uninstall EPSON USB Printer Devices.
Next, reinstall the software as illustrated in the Start Here. If
EPSON USB Printer Devices is not registered in the
Add/Remove Programs list, access the CD-ROM and
double-click epusbun.exe in \<Language>\WINME or
\<Language>\WIN98 folder. Then follow the on-screen
instructions.
Problem Solver
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