Samsung SF-76x series Service Manual page 76

4. Alignment and Troubleshooting
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Test Routines
This menu can perform the operation test for the main components.
Code Displayed Name
100-0000 Main BLDC Motor
101-0010 T1 Pick-Up Clutch
102-0290 Feed Sensor
105-0030 Black MHV Bias
106-0030 Black Dev Bias
107-0030 Black THV Bias
107-0031 Black THV(-) Bias
109-0000 Fuser Temperature A
109-0050 Fuser Bias
LSU Motor1 Run
110-0000
Ready
110-0060 LSU Motor1 Run
110-0110 LSU LD Power4
4-17
Meaning
Main BLDC Motor is On/Off
Engages drive to pick up a paper from tray1.
Detect when a paper is at Feed sensor.
Black MHV bias voltage on at normal drive level
Black Dev bias voltage on at normal drive level
Black THV bias voltage on at normal drive level
Black THV bias voltage on at normal drive level
Detects what the temperature A is on fuser.
Fuser bias voltage on at normal drive level
Detects if LSU motor1 runs at normal speed.
LSU Motor1 On/Off
LSU LD4 Power On/Off (black)
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Input / State
Output Displayed
Output On[Off]
Output On[Off]
Input High[Low]
Output On[Off]
Output On[Off]
Output On[Off]
Output On[Off]
Numeric 3
Input
digits
Output On[Off]
Input High[Low]
Output On[Off]
Output On[Off]