Samsung SCX-4521F Series Service Manual page 56

4.6.3.2 In the Fuser Area or Around the Toner Cartridge
NOTE: The fuser area is hot. Take care when
removing paper from the machine.
1. Open the front door and pull the toner cartridge out,
lightly pushing it down.
2. Remove the jammed paper by gently pulling it
straight out.
Samsung Electronics
3. Replace the toner cartridge and close the front
door. Printing automatically resumes.
Alignment and Adjustments
Service Manual
4-24