Samsung CLP 510N - Color Laser Printer, Service Manual

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8-2
Troubleshooting
Samsung Electronics
Service Manual
8.1.1 Basic Check List
1. Check the Power.
• Does "Warming Up" appear on the display?
--> If not check power cable, switch or SMPS. (see section 8.1.2 below)
--> Does the wall socket work?
• Do the Motors or other components initialize (listen for main motor, fan and LSU sounds)?
--> If not or there are none of the normal startup sounds check cable, switch or SMPS.
--> Does the wall socket work?
2. Check the LCD Panel.
• Is there any display at all?
--> If not check power cable, switch or SMPS. (see section 8.1.2 below)
--> Does the wall socket work?
• Is the display a meaningful message (are there any broken or badly formed characters)?
--> Check the main PBA and cable harness.
• Is the message on the LCD Panel a standard error message?
--> Refer to section 8.4 or 8.5 (Page 8-14 or 8-18).
3. Check the Paper Path
• Is there a Paper Jam?
--> Remove any paper fragments caught in the paper path.
--> Refer to section 8.3 (Page 8-10).
• Paper Jam occurs repeatedly at a specific point in the Paper Path
--> 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).
• Is there a problem?
--> If there is an error see section 2) or 3) above.
• 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 8.2 (Page 8-5).
6. Check consumables (toner etc.).
•Using the keys print the Information Page.
--> Refer to 8.1.4 below and to section 3.5 (Page 3-3) for expected life of various consumable parts, compare this with
the figures printed and replace as required