Lexmark C750 Service Manual - Page 96
Lexmark C750 Manual
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5060-00x 155 Error code Hot fuser Step 1 Action and questions Connector J8 on the engine board-make sure that the fuser drive motor cable is correctly connected to J8 on the engine board. Go to "Engine board" on page 5-7. Is the cable connected correctly? 2 FRU replacement-replace the following FRUs in the order shown: 1. Fuser drive assembly. See "Fuser drive assembly removal" on page 4-33. 2. Engine board. See "Engine board removal" on page 4-29. Replace the fuser drive assembly. See "Fuser drive assembly removal" on page 4-33 Replace the fuser top duct. See "Fuser top duct removal" on page 4-34 Yes Go to step 2 No Correctly install the cable 156 Error code Black cartridge drive assembly The black cartridge drive motor has either failed to lock or has lost lock. Note: Any time any of the cartridge drive motor assemblies are replaced, perform the "Motor Detect" on page 3-16. If this procedure is not performed, error code 168 is displayed. Step 1 Actions and questions Check the black cartridge drive motor cable connection to J64 on the engine board. Is the cable installed correctly? 2 Check the black cartridge drive motor cable connection to the black cartridge drive motor card. Is the cable installed correctly? 3 Check continuity of the black cartridge drive motor cable. Is there continuity? Replace the black cartridge drive assembly. Perform the "Motor Detect" on page 3-16. Does this fix the problem? 5 Replace the engine board. Does this fix the problem? Problem solved Call your next level support Go to step 4 Replace the black cartridge assembly cable Go to step 5 Go to step 3 Install the cable correctly Yes Go to step 2 No Install the cable correctly 4 Problem solved 2-62 Service Manual