4-12
Samsung Electronics
Troubleshooting
4-3 Malfunction
Plug in the
power cord?
The power
voltage supplying is
the same as
rating?
The fan
revolves when
powered on?
LEDs blink
once when
powered on?
The On-Line
key is being pressed
or shortage on
the panel
board?
Repair/replace the
board.
Check the voltage first and plug
the power cord.
Supply the power as the rating.
Connections
on board are OK?
Re-connect firmly
and re-test.
The connection
error between
controller board
and panel board
or malfunction
of boards.
-> Replace the
boards.
Fuse of SMPS
is open?
Shortage
between 5V and
GND, or between
24V and
GND?
Replace the fuse.
Toner cartridge
is in the set?
Detect failure due to the
board which detects top
cover open or switch error.
-> Replace the board or switch.
Put in the
cartridge.
Remove the shortage
or replace the board.
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
4-3-1 No Power (LED Off)
Summary of Contents for ML-5000A
Page 40: ...5 2 Samsung Electronics Exploded Views and Parts List 5 1 Main Exploded View 75 76 79 78 77 ...
Page 44: ...5 6 Samsung Electronics Exploded Views and Parts List 5 5 Top Cover Exploded View 14 15 ...
Page 54: ...5 16 Samsung Electronics Exploded Views and Parts List 62 5 15 Motor Exploded View ...
Page 58: ...5 20 Samsung Electronics Exploded Views and Parts List Memo ...
Page 72: ...Electrical Parts List 6 14 Samsung Electronics Memo ...
Page 74: ...Controller ML 5000A 1 7 7 2 Samsung Electronics Schematic Diagrams ...
Page 75: ...Controller ML 5000A 2 7 7 3 Samsung Electronics Schematic Diagrams ...
Page 76: ...Controller ML 5000A 3 7 7 4 Samsung Electronics Schematic Diagrams ...
Page 77: ...Controller ML 5000A 4 7 7 5 Samsung Electronics Schematic Diagrams ...
Page 78: ...Controller ML 5000A 5 7 7 6 Samsung Electronics Schematic Diagrams ...
Page 79: ...Controller ML 5000A 6 7 7 7 Samsung Electronics Schematic Diagrams ...
Page 80: ...Controller ML 5000A 7 7 7 8 Samsung Electronics Schematic Diagrams ...
Page 83: ...OPE Panel ML 5000A G 7 11 Samsung Electronics Schematic Diagrams ...
Page 84: ...Engine ML 5000A G 1 3 7 12 Samsung Electronics Schematic Diagrams ...
Page 85: ...Engine ML 5000A G 2 3 7 13 Samsung Electronics Schematic Diagrams ...
Page 86: ...Engine ML 5000A G 3 3 7 14 Samsung Electronics Schematic Diagrams ...
Page 87: ...Joint Board ML 5000A G 7 15 Samsung Electronics Schematic Diagrams ...
Page 91: ...7 7 Sensor ML 5000A G 7 19 Samsung Electronics Schematic Diagrams ...
Page 92: ...7 8 Switch ML 5000A G 7 20 Samsung Electronics Schematic Diagrams ...
Page 93: ...7 9 PTL ML 5000A G 7 21 Samsung Electronics Schematic Diagrams ...