Roland GR-640 User Manual page 137

Windows 10
Right-click the Start menu, click Control Panel, click Hardware and Sound, and then
click Devices and Printers.
Windows 8.1
From the Start screen, click Apps, and then click Control Panel. Click Hardware and
Sound, and then click Devices and Printers.
Windows 7
From the Start menu, select Devices and Printers.
Right-click Roland GR-640 (Copy 1), and then select
Printer properties.
Change Roland GR-640 (Copy 1) to Roland GR-640 (B).