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Code :

Code: 282
Description: GAVD communication error Data is transferred. - The CPU does not detect the communication ACK signal from GAVD.
Causes: • Defective BCU

Code: 300
Description: Charge corona unit electrical leak 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.
Causes: • Short circuit in the charge corona unit • Defective high voltage supply board • Defective harness (BCU - high voltage supply board)

Code: 301
Description: Charge corona unit disconnection The charge corona unit keeps outputting. - The unit is operating at the maximum PWM duty value for 60 milliseconds.
Causes: • Defective PCU installation • Defective high voltage supply board • Defective harness (BCU - high voltage supply board)

Code: 302
Description: Charge grid electrical leak The charge grid keeps outputting. - The returning voltage exceeds the target by 0.5 Volt or more for 120 milliseconds.
Causes: • Short circuit in the charge grid • Defective high voltage supply board • Defective harness (BCU - high voltage supply board)

Code: 305
Description: Charge corona unit cleaner error . 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.
Causes: • Defective cleaner

Code: 350
Description: Development error 1 (K/Y) A development process starts. - The returning voltage exceeds the target by 0.5 Volt or more for 60 milliseconds.
Causes: • Short circuit in the development unit • Defective high voltage supply board • Defective harness (BCU - high voltage supply board)

Code: 351
Description: Development error 2 (C/M) A development process starts. - The returning voltage exceeds the target by 0.5 Volt or more for 60 milliseconds.
Causes: • Short circuit in the development unit • Defective high voltage supply board • Defective harness (BCU - high voltage supply board)

Code: 352
Description: Development motor error . 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.
Causes: • Defective development motor

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