7.1.5 Light Image
• Description
The printed image is light, with no ghost.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Check and Cause
Solution
1. Develop roller is stained when the toner
of print cartridge is almost consumed.
2. Ambient temperature is below than 10°C.
3. Bad contact caused by the toner stains
between the high voltage terminal in the
HVPS and the one in the set.
4. Abnormal output from the HVPS.
(Run self-test and check 1~4)
5. Check warranty out.
1. Check if the Toner Save mode is off.
Check if the density is light.
2. No 1 : Replace the print cartridge and try to
print out.
3. No 2 : Wait 30 minutes after printer is pow-
ered on before you start printing.
4. No3 : Clean up the contaminated area by
the toner.
5. Replace the HVPS if the problems are not
solved by the above four instructions.
6. Replace print cartridge.
7.1.6 Dark Image or a Black Page
• Description
The printed image is dark.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Check and Cause
Solution
1. No charge voltage in the engine board.
2. Charge voltage is not turned on due to
the bad contacts between power supply
in the side of the print cartridge and
charge terminal of HVPS.
3. VD0 signal of the Main PBA is Low state.
4. Case back side the cleaning blade of
print cartridge.
1. Check the state of the connector which
connects the engine board and HVPS.
2. Clean the high voltage charge terminal.
3. Replace the HVPS if not solved by the
above direction 1 and 2.
4. Replace the LSU Unit or Main PBA.
5. Replace print cartridge.
Troubleshooting
Service Manual
7-3
Samsung Electronics
Содержание ML-3561N Series
Страница 7: ...Samsung Electronics Service Manual Precautions 1 6 ...
Страница 19: ...Service Manual Summary of Product 4 2 Samsung Electronics 4 1 2 Rear View ...
Страница 39: ...Service Manual Summary of Product 4 22 Samsung Electronics ...
Страница 71: ...Service Manual Disassembly and Reassembly 5 32 Samsung Electronics ...
Страница 133: ...Exploded Views Parts List Service Manual 8 9 Samsung Electronics 8 7 Deve Motor Assembly 0 1 2 3 4 5 6 7 7 ...
Страница 152: ...Service Manual Block diagram 9 2 Samsung Electronics 9 2 System Timing Chart ...
Страница 153: ...Connection Diagram Service Manual 10 1 Samsung Electronics 10 10 10 Connection Diagram ...
Страница 154: ...Service Manual Connection Diagram 10 2 ...
Страница 155: ...Connection Diagram Service Manual 10 3 Samsung Electronics ...