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4-4
Samsung Electronics
13 THV(+) TRIGGER. ALL HV :
All high voltage output by each HV terminal and LSU and the fan is in operation. In this mode, electronic
resistance of transfer roller and high voltage is detected.
14 +7P Clutch Test :
Same method of the code ‘06’.
15 Fan Test :
Indicates the function of the fan, same method of the code ‘06’.
16 Paper size Sensor Test :
Cassette Sensor 1 ON/OFF 1st LED ON/OFF
Cassette Sensor 2 ON/OFF 2nd LED ON/OFF
Cassette Sensor 3 ON/OFF 3rd LED ON/OFF
Increment DCU Code No. (00,MAIN MOTOR TEST)
Decrement DCU Code No. (15, FAN TEST)
17 SMD Test :
This function is for a manufacturing process. You can test all diagnostic Codes(0~06).
When you push the ‘Enter’ button, the main motor runs (Diagnostic Code 00).
If you push the ‘up’ botton, the current diagnostic Code stops, and the next diagnostic Code starts.
4-1-4 Self Test Button
If the Self-Test button pressed, vertical lines are printed.
Turn the power on while pressing this button, '89' shows in the DCU and the printer is warming up. After warming-up the
printer is in READY Mode, and '88' shows in the DCU. In this mode, without any detection, the printer begins
printing(trial printing and data from the PC). It is convenient to use this mode when the engine malfunction is detected in
the control board.
4-1-5 Paper Path Layout
LSULSU
CARTRIDGECARTRIDGE
MPF
PICK UP
OPC
FEED
CR
IDLE
EMPTY SEN
FEED SENFEED SEN
DR
PTL
SR
TR
FUSERFUSER
FACE DOWN
FACE UPFACE UP
H/R
Pr/R
SCF
CASSETTE
EXIT SEN
EXIT1EXIT1
EXIT2
OUT BIN FULL SEN