Adjustment and Troubleshooting
Service Manual
4-37
Samsung Electronics
Cover Error
• Cover Open : Install Transfer Belt message display by turns
In case of open the Left cover or Not equipped with PTB
When the state is Printer Power-On , the PTB connector is removed.
• SCF Cover Open
In case of designated not Tray selection but Tray2 , in case of open the SCF jam cover
Service Call error
• Engine LSU Error
In case of occuring lock signal input before LSU motor drives.
In case of not occuring lock signal input after LSU motor On (within maximum 12 sec)
• Main Motor Error / Dev. Motor Error
In case of occuring lock signal input before BLDC motor drives.
In case of not occuring lock signal input after BLDC motor On (within 1.2sec)
• Rear Fan Error / Left Fan Error / SMPS Fan Error
In case that input signal from the Fan motor display “High”, “Low” continually.
• ADC Not Confirm Error
After ADC start , in case that confirm signal does not display for 200ms.
• Engine Fuser Over(Low) Heat Error
Low heat : In case of not heating FUSER, In case that the state of Warm-up does not rise the regular
temperature in regular time, In case that Ready or printing is below special temperature , In case of
not detecting temperature sensor with wrong equipped Thermistor , In case of not connecting the
Thermistor, In case that Thermostat is broken
In case that Thermostat is broken - in case of continuous more than 10 sec and ADC below 70
Warm-up : when the warm - up start, in case that fuser temperature is more than ADC 240 for 10 sec
in case that fuser temperature slope is minus
Ready : In case of continuous more than 10 sec and below 100
Pre-printing : In case of continuous more than 5 sec and below (Ready target temperature - 30)
Printing :In case of continuous more than 5 sec and below (Printing target temperature - 50)
Over heat : In case that the temperuture of FUSER is more than special temperuture, In case that
Thermistor becomes short
In case that the fuser temperature is continuous more than 4sec and over 230
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