2. Hold the staple cartridge unit by orange lever R1 and push it to the right.
3. Grip the staple cartridge by the orange tabs and remove it by pulling it firmly toward you.
4. Pinch both sides of the staple case (1) and remove the staple case from the cartridge (2).
(R1)
wc74xx-100
wc74xx-101
wc74xx-090
WorkCentre 7425/7428/7435
Installing Staples
185
User Guide