Samsung CLX-8640 series Service Manual page 209

Code Displayed Name
123-0010 Fuser center temperature
123-0020 Fuser side temperature
123-0030 LSU temperature
123-0040 Inner temperature
123-0050 Inner humidity
123-0060 Outter temperature
123-0070 Outter humidity
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Meaning
Display fuser center temperature
Display fuser side temperature
Display laser scan Unit temperature
Display temperature in Machine
Display humidity in Machine
Display outter temperature
Display outter humidity
4. Troubleshooting
4-50