Description: Image transfer belt mark detection error . An imaging process starts. - No belt mark is detected in 1 revolution. . A color imaging process starts. - A mono color image is transferred. - FGATE becomes active. - No belt mark is detected in 1 revolution. . Thick paper or OHP film is used. - The belt slows down. - No belt mark is detected in 1 revolution.
Description: GAPCI communication error Data is transferred. - The CPU does not detect the communication ACK signal from GAPCI.
Causes: • Defective BCU
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)