Epson PictureMate Dash PM 260 Basic Manual page 51

Replacing the Print Pack
Make sure you have a new PictureMate 200 Series
Print Pack before you remove the old photo cartridge.
Once you remove the cartridge, you must install the
new one right away.
Caution: Before you replace the cartridge, read the "Photo
Cartridge Safety Instructions" on page 71.
1
Make sure PictureMate is on but not printing.
2
Open the cartridge door on the back of
PictureMate.
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3
Slide the cartridge lever left, to the Release
position.
Caution: Do not try to pull out the cartridge without moving the
lever.