Repair Tips for the  Samsung SCX-4016, 4116, 4216F Heater Error or Low Heat
Rated at 60,000 prints and copies the Samsung SCX-4016, 4116, 4216F Fuser (Fixing) Unit is a little work horse that can but up some pretty impressive numbers. However, they eventually will wear out. Below find some diagnostic and repair advice for the  Samsung SCX-4016, 4116, 4216F Heater Error or Low Heat Message.
Troubleshooting the  Samsung SCX-4016, 4116, 4216F Heater Error or Low Heat Message
1. Turn the machine off then back on. Once in a while these machines get a small power interruption or a false code. Blowing the machine out with air while powered on can also create this error.
2. Check the power source. No power strips, no battery back ups.
3. Remove the fusing assembly and check the thermistor for debris on the surface. Debris on the surface can cause a false low heat error. Clean the contact surface with alcohol. Be careful not to scratch. When you reinstall make sure the thermistor rides on top the hot roller surface for proper temperature readings.
4. Replace the fusing assembly.
Click on the link below for the 4016, 4116, and 4216F Fuser Removal Instructions.
Samsung SCX-4016, 4116, 4216F Fuser Removal Procedure
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