xService ManualTroubleshooting6-26.1.1 Basic Check List1. Check the Power.• Does "Warming Up" appear on the display?--> If not check power cable, switch or SMPS.--> 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 LED of Panel.• Is there On-Line LED ON?--> If not check power cable, switch SMPS or Main board.--> Does the wall socket work?• 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 Fuser4. 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 6.5 (Page 6-17).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