Check whether the position of the magenta color wheel where the
magnet is installed falls off or is damaged.
Check whether there are obstacles in the magenta color wheel
operating range.
Check whether the Hall element on the magenta color wheel is
damaged.
Check whether the lead connecting the Hall element on the magenta
color wheel and the PCB board is in poor contact or disconnected.
Check whether the motor on the magenta color wheel is damaged.
Check whether the related circuit of the motor drive board on the
magenta color wheel is damage.
Check whether the position of the cyan color wheel where the
magnet is installed falls off or is damaged.
Check whether there are obstacles in the cyan color wheel operating
range.
Check whether the Hall element on the cyan color wheel is damaged.
Check whether the lead connecting the Hall element on the cyan
color wheel and the PCB board is in poor contact or disconnected.
Check whether the motor on the cyan color wheel is damaged.
Check whether the related circuit of the motor drive board on the
cyan color wheel is damage.
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