Toner Suction Fan Motor (M11) Failure:
M11 connector is on the Mechanical Control Board (PWB-A), Also check the Power Supply Unit (PU1) Mechanical Control Board Cover 1. Remove the Upper Rear Cover. 2. Remove the Rear Cover. 3. Remove five screws [1] and the Mechanical Control Board Cover [2]. 4. Unplug the all connectors. 5. Remove five screws [3] and the Mechanical Control Board [4]. NOTE ? When replacing the Mechanical Control Board, be sure to replace the EEPROM. ? When the Mechanical Control Board has been replaced with a new one, check the ROM version and upgrade the firmware to the latest If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response Thanks, Joe
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309
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