IBM 5170 - Page 215

12 Open the window by sliding it to the left.
13 Pull on the Fuse Pull tab to pivot the fuse out,
then remove the fuse from the printer.
14 Using a needle-nose pliers or similar tool, pull
the voltage selection card straight out of the
printer.
15 Arrange the voltage selection card so that the
setting number you want
is right-side up and
facing you.
Voltage Selection Card
IBM Color Printer 5-49