Although printing quality is not the best, the manual was very helpful in order to reactivate this ancient but still good electronic musical instrument.
Text excerpt from page 41 (click to view)
2 Bin Finisher, Inverting Unit, Exit Guide Unit FA-F365
(3) When replacing the staple cartridge
The message shown on the left appears of the printer when the staples are out.
Open the stapler cover.
$ Pull out the staple unit until it stops. # Turn the lock knob in the counter clockwise direction.
$ Install the new cartridge.
# Remove the empty staple cartridge. Check if there is any remaining staples.
% Return the staple unit until it stops and turn the lock knob in clockwise direction. Check the operation Select the staple-sort mode with control panel and print the desired data.
C If the unit fails to staple after replacing the staple cartridge follow the instructions below. # Remove the staple cartridge. $ Pull down the stapler toward you. % Press the release knob and swing the staple jam lever back and forth. If the unit still fails to work, contact your service technician.