Samsung SL-M4580FX Service Manual page 236

4. Troubleshooting
13) Unfused image
Description : The printed image is not fully fused to the paper. The image rubs off easily
Probable Cause
The papers are wet with moisture.
The fuser unit is not tight.
The fuser connection is bad.
The fuser unit defective.
4-133
Solution
Replace the paper.
1) Turn the machine off.
2) Remove and reinstall the fuser unit.
3) Turn the machine on.
Check the connection between the fuser unit and main board.
1) Turn the machine off.
2) Remove and replace the fuser unit.
3) Turn the machine on.
WARNING
Do not touch the fuser unit while it is hot.
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