(4) Check if the K-developer unit mixer motor is abnormal. When it is not rotating (2) Is the connector of the K-developer unit mixer motor connected securely? (3) Check if the connector of the K-developer mixer motor is disconnected or the harnesses are open circuited. Remedy: (1) Pull out the EPU tray and perform the output check (03-114) to check if the 3 outputs of the Kdeveloper unit mixer are rotating normally.Description: Developer unit mixer motor-K locking error: The developer unit mixer motor-K is not rotating normally.(8) Check if the drive gear array of the K-developer unit has any abnormality such as breakage. (7) Check if the developer material is excessively supplied to the K-developer unit. When it is rotating (6) Check if waste toner is clogged on the waste toner transport path of the K-drum cleaner. (5) Check if the drive gear array has any abnormality such as breakage. (4) Check if the K-developer unit motor is abnormal. When it is not rotating (2) Is the connector of the K-developer unit motor connected securely? (3) Check if the connector of the K-developer motor is disconnected or the harnesses are open circuited. Remedy: (1) Pull out the EPU tray and perform the output check (03-113) to check if the 3 outputs of the Kdeveloper roller and 3 outputs of the drum cleaner auger are rotating normally.Description: Developer unit motor-K locking error: The developer unit motor-K is not rotating normally.(7) Check if the drive gear array of each YMC-developer unit has any abnormality such as breakage. When it is rotating (6) Check if developer material is excessively supplied to each YMC-developer unit. (4) Check if the YMC-developer unit mixer motor is abnormal. When it is not rotating (2) Is the connector of the YMC-developer unit mixer motor connected securely? (3) Check if the harness or connector of the YMC-drum motor is disconnected or open-circuited. Remedy: (1) Pull out the EPU tray and perform the output check (03-115) to check if the 3 outputs of the YMCdeveloper unit mixer are rotating normally.Description: Developer unit mixer motor-YMC locking error: The developer unit mixer motor-YMC is not rotating normally.
(8) Check if the drive gear array of each YMC-developer unit has any abnormality such as breakage. (7) Check if the developer material is excessively supplied to each YMC-developer unit.
When it is rotating (6) Check if waste toner is clogged on the waste toner transport path of the YMC-drum cleaner. (5) Check if the column of the drive gears has any abnormality such as damage. (4) Check if the YMC-developer unit motor is abnormal. (3) Check if the harness or connector of the drum motor (K)/(YMC) is disconnected or opencircuited. When it is not rotating (2) Check if the connector of the YMC-developer unit motor is connected securely.