bizhub 4700P/bizhub 4000P Service Manual
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4.8 Input option hardware errors
4.8.1 3xx error messages
ACM motor no first encoder
Go to Option tray pick/lift section service check.
ACM motor PWM underflow (motor
overspeed)
Separator/Pass-through motor no first encoder
Go to Option tray separator/pass-through motor
service check.
Separator/Pass-through motor stop error
Separator/Pass-through PWM underflow
(motor overspeed)
ACM motor no first encoder
Go to Option tray ACM motor service check.
ACM motor PWM underflow (motor
overspeed)
Hardware error—Board ID unknown
Go to Option tray controller card service check.
Hardware error—Option type unknown
Hardware error—Product ID unknown
Hardware error—Sensors are not plugged on
the board.
ACM motor no first encoder
Go to Option tray pick/lift section service check.
ACM motor PWM underflow (motor
overspeed)
Separator/Pass-through no first encoder
Go to Option tray separator/pass-through motor
service check.
Separator/Pass-through motor stop error
Separator/Pass-through motor PWM
underflow (motor overspeed)
ACM motor no first encoder
Go to Option tray ACM motor service check.