Samsung Electronics 6-31Repair Information6-36. Knockup Spring, Spring Holder, Separate Unit, Knockup Unit1. Before you remove them, you should remove:-All covers (see pages 6-2, 6-10 to 6-13)- Gear bracket (see page 6-18)- HVPS board (see page 6-19)- Upper frame (see page 6-22)- Pickup roller (see page 6-23)2. Release the springs at both sides of the unit, thenremove the knockup unit.4. Remove the separate unit.5. Remove the holder spring k-up.3. Remove the knockup spring.