Sony UP-D2500 Instructions For Use Manual page 16

Before Printing (continued)
16
Operation
2
Remove the ink ribbon cartridge by pushing the ink ribbon cartridge itself.
The ink ribbon cartridge pops out.
When you use the printer first, this operation is not required.
Note
Never put your hand into the ink ribbon compartment. The thermal head
becomes very hot. You may burn yourself if you touch it.
When the ink ribbon cartridge cannot be ejected
Turn the power off, then back on again. Then, after a while, press the ink ribbon
cartridge.
3
Remove any slack from the ink ribbon.
If the ribbon is left slack, it may be damaged when inserted.
Wind the spool until the
not-used point comes to
the right end.