4. Alignment and Troubleshooting
4) If you select “start” key, then choice value is accepted and returns to menu choice mode.
4.1.9. EDC program (3 in 1 model only)
NOTE
SCX-340x/340xW (3 in 1) model has not EDC menu in tech mode. Instead, there is a program for EDC function.
The EDC program can check the machine status and perform various test to isolate the cause of a malfunction.
1) How to use the EDC program
1) Download the EDC program in your PC.
2) Connect the printer to the computer using USB cable.
3) Turn on the printer and wait for the printer to finish initializing.
4) Start EDC program. Press the “Menu” Button
5) To exit the EDC Mode, press the “Exit” button.
2) EDC mode menu
Displayed Name
Meaning
Main BLDC Motor
Main BLDC Motor is On/Off
T1 Pick-Up Clutch
Engages drive to pick up a paper from tray1.
Feed Sensor
Detect when a paper is at Feed sensor.
Black MHV Bias
Black MHV bias voltage on at normal drive level
Black Dev Bias
Black Dev bias voltage on at normal drive level
Black THV Bias
Black THV bias voltage on at normal drive level
Black THV(-) Bias
Black THV bias voltage on at normal drive level
Fuser Temperature A
Detects what the temperature A is on fuser.
Fuser Bias
Fuser bias voltage on at normal drive level
LSU Motor1 Run Ready
Detects if LSU motor1 runs at normal speed.
LSU Motor1 Run
LSU Motor1 On/Off
LSU LD Power4
LSU LD4 Power On/Off (black)
4-30
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