Samsung ML-1665 Service Manual - Page 61

Basic Check List, Check the Power., Check the LED of Panel., Check the Paper Path - printer drivers

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Alignment and Troubleshooting 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 specific 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 (Configuration). • 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 section 4.2.5 6. Check consumables (toner etc.). • Using the keys print the Test Pattern. --> Expected life of various consumable parts, compare this with the figures printed and replace as required Service Manual 4-13 Samsung Electronics

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Alignment and Troubleshooting
Service Manual
4-13
Samsung Electronics
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 specific 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 (Configuration).
• 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 section 4.2.5
6. Check consumables (toner etc.).
• Using the keys print the Test Pattern.
--> Expected life of various consumable parts, compare this with the figures printed and replace as
required