Samsung CLP-325 Series - Page 116

Alignment & Troubleshooting
Service Manual
4-59
Samsung Electronics
b) Low heat error
Lamp open?
(For 110V : 1.35±1 ohm
For 220V : 4.7±1 ohm)
"Error #U1-2121 Turn off then on"
message has occurred.
Change Fuser Lamp
4713-001243
Yes
NO
NO
Replace Thermistor
1404-001447
Yes
Replace Thermistor
1404-001447
Yes
Thermostat cannot be
cleaned and/or bent?
NO
Thermostat Resistance Defect?
(300~450kohm @ 25℃)
Replace Fuser & recheck
The SMPS and Main B'd
could be suspect