Ricoh Aficio CL5000 Manuel de service Page 87

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Trouble-
shooting
SERVICE CALL
SM 4-3 G071
No.
Definition
Symptom Possible Cause
Charge corona unit electrical leak 300 D
The charge corona unit keeps outputting; the unit is
operating at the minimum PWM duty value. 4.5 Volt
(or more) is returning for 60 milliseconds.
Short circuit in the
charge corona unit
Defective high
voltage supply board
Defective harness
(BCU - high voltage
supply board)
Charge corona unit disconnection 301 D
The charge corona unit keeps outputting. The unit is
operating at the maximum PWM duty value for 60
milliseconds.
Defective PCU
installation
Defective high
voltage supply board
Defective harness
(BCU - high voltage
supply board)
Charge grid electrical leak 302 D
The charge grid keeps outputting. The returning
voltage exceeds the target by 0.5 Volt or more for 120
milliseconds.
Short circuit in the
charge grid
Defective high
voltage supply board
Defective harness
(BCU - high voltage
supply board)
Charge corona unit cleaner error 305 D
Cleaning starts. The lock signal is not detected
within 30 seconds.
Cleaning starts. The cleaner turns. The lock
signal is detected within 6 seconds.
The lock signal is detected while the unit is moving
away from the HP. The next lock signal is detected
within 6 seconds after the unit has turned toward the
HP.
Defective cleaner
Development error 1 (K/Y) 350 D
A development process starts. The returning voltage
exceeds the target by 0.5 Volt or more for 60
milliseconds.
Short circuit in the
development unit
Defective high
voltage supply board
Defective harness
(BCU - high voltage
supply board)
Development error 2 (C/M) 351 D
A development process starts. The returning voltage
exceeds the target by 0.5 Volt or more for 60
milliseconds.
Short circuit in the
development unit
Defective high
voltage supply board
Defective harness
(BCU - high voltage
supply board)
Development motor error 352 D
The development motor starts or changes speed.
The motor does not detect a 1-second lock signal
within 3 seconds.
The development motor starts. The lock signal is
detected during normal operation. The lock signal
is interrupted for 1 second or more.
Defective
development motor
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA
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