Lexmark C720 Service Manual - Page 84

5024-001 Error Code Action 92X Fuser Exhausted The fuser is in a maintenance state and needs to be replaced before any other action can be taken. Have the customer order a new fuser maintenance kit. Replace the fuser and note whether any error code exists. 930/933 Printhead Error Ensure the printhead connector, LCN1, is properly connected to LCN on the main engine (MCTL P.W.B.) board. If the problem still exists, replace the optical printhead unit. If this does not correct the problem, replace the main engine (MCTL P.W.B.) board. 934 Printhead Power Error Ensure the printhead connector, LCN1, is properly connected to LCN on the main engine (MCTL P.W.B.) board. If the problem still exists, replace the low voltage power supply (LVPS). 939 RIP to Engine Communication Error Indicates that the RIP controller board and the main engine (MCTL P.W.B.) board cannot communicate. The RIP board, main engine (MCTL P.W.B.) board or cabling may be defective. Check each board for correct installation and be sure all grounds are secure. If no problem exists, replace the following FRUs in the order shown: • Main engine (MCTL P.W.B.) board • RIP controller board 943 RIP Code and Fonts Error Indicates that the font ROM and RIP codes are incompatible. Ensure the code is correct. 945/946 Turn the power Off and then back On. Main Engine (MCTL If the error still exists, replace the main engine P.W.B.) Board (MCTL P.W.B.) board. 2-4 Service Manual