Basic Check List - Samsung ML-331xD Service Manual

4.2.1.1 Basic Check List

1. Check the Power.
• Check that the power switch is turned on.
• Check that the power cable is plugged into the outlet and the printer.
• Check the voltage of the power outlet.
2. Check the LED of Panel.
• Is there OPE LED ON?
--> If not check power cable, switch SMPS or Main board.
• Is the abnormal Lamp?
--> Check the main PBA and cable harness.
3. Check the Paper Path
• Is there a Paper Jam?
--> Remove any paper fragments caught in the paper path.
• Paper Jam occurs repeatedly at a speci c point in the Paper Path
--> Open the fuser cover, Jam clear.
--> Dismantle the machine and carefully inspect the region where the jam occurs.
(Especially, check if paper fragments are caught in the Fuser
4. Print the Information Page (Confi guration).
• Try printing a test page from a computer.
--> If there is an error check cables and driver installation.
5. Check the Print Quality.
• Is there are a Print Quality Problem?
--> Refer to the image quality problem.
6. Check consumables (toner etc.).
• Using the keys print the Test Pattern.
--> Expected life of various consumable parts, compare this with the gures printed and replace as
required
Service Manual
ML-331x/371x series
CÓPIA NÃO CONTROLADA
4. Alignment and Troubleshooting
4-23
CÓPIA NÃO CONTROLADA
Samsung Electronics