Konica-Minolta bizhub 458e
- Code: P-5
- Description: IDC sensor/Fr failure. • During IDC sensor light intensity correction, output voltage detected for all eight sample patterns are 3.35 V or more. • During IDC sensor light intensity correction, sensor output voltage for light intensity selected after the correction is under 0.7 V. • During IDC base surface detective control, sensor output voltage detected is under 0.7 V or over 3.35V. • During image stabilization (gamma correction control), detected output value for IDC sensor did not go below threshold (half the value of what is detected by IDC sensor on the belt surface) for three consecutive times (position of the pattern end is not detected). • During image stabilization (gamma correction control), sensor output value for hyper 0 gradation after the primary approximation is half the detection level on the belt surface or under.
- Causes: • IDC sensor/Fr (IDCS/Fr) • IDC sensor shutter solenoid (SD2) • High voltage unit (HV) • Transfer belt unit
- Remedy: 1. Wipe clean the surface of the transfer belt with a soft cloth, if it is dirty. 2. Replace the transfer belt unit if the transfer belt is damaged. 3. Reinstall or reconnect IDCS/Fr, sensor shutter or connector, if it is installed or connected improperly. 4. Clean IDCS/Fr if it is dirty. 5. Check the HV connector for proper connection and correct as necessary. 6. SD2 operation check. 7. Open/close the front door, run an image stabilization sequence, and select [Service Mode] -> [State Confirmation] -> [Level History 1] to check the IDC value. IDC1: IDCS/Fr If the value is 1.0 V or less, replace IDCS/Fr. 8. Replace MFPB. (bizhub 368e/308e / bizhub 658e/558e/458e)
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