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  1. #1
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    Color Asset bizhub C-224e


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    Color Asset bizhub C-224e

    I have a magenta color asset. P5 and P21. IDC2 = 0V. Transfer belt seems ok - no demage! For help thanks advanced!

  2. #2
    Service Manager 500+ Posts femaster's Avatar
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    Re: Color Asset bizhub C-224e

    Quote Originally Posted by CP-1015 View Post
    I have a magenta color asset. P5 and P21. IDC2 = 0V. Transfer belt seems ok - no demage! For help thanks advanced!
    If the sensors aren't dirty, check the shutter that covers them, it may not be moving properly resulting in the sensors not being able to see the patches on the transfer belt. The P21 is there because of the P5, so I'd concentrate on the P5 at this point.


    Malfunction type: IDC sensor/Fr failure, IDC sensor/Rr failure
    Malfunction code: P-5, P-28

    Description Timing
    • 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’s output value of each color for hyper 0
    gradation after the primary approximation is half the detection level on the belt surface or under.

    Relevant parts
    • IDC sensor/Fr (IDCS/Fr)
    • IDC sensor/Rr (IDCS/Rr)
    • IDC sensor shutter solenoid (SD2)
    • Printer control board (PRCB)
    • High voltage unit (HV)
    • Transfer belt unit

    Procedure:
    1. Wipe clean the surface of the transfer belt with a soft cloth, if it is dirty.
    2. Change the image transfer belt unit if the transfer belt is damaged.
    3. Reinstall or reconnect IDCS/Fr assy or IDCS/Rr assy, sensor shutter or connector, if it is installed or connected improperly.
    4. Clean IDCS/Fr or IDCS/Rr 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 [State Confirmation] -> [Level History 1] to check the IDC value.
    IDC1 = IDCS/Fr
    IDC2 = IDCS/Rr
    If the value is 1.0 V or less, assy.assy or IDCS/change IDCS/Fr Rr
    8. PRCB ICP11 conduction check.
    9. Replace PRCB.
    A Ricoh Service Tech for 7 year. A Konica Minolta Service Tech for 7 years. Now, KM service manager.
    My Ricoh knowledge is slowly dwindling away at this point. Many things have been lost to time...

  3. #3
    Senior Tech 100+ Posts
    Color Asset bizhub C-224e


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    Re: Color Asset bizhub C-224e

    Thanks for helping!

    It was the IDC-2.

  4. #4
    Service Manager 5,000+ Posts tsbservice's Avatar
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    Re: Color Asset bizhub C-224e

    Quote Originally Posted by CP-1015 View Post
    Thanks for helping!

    It was the IDC-2.
    Did you replace it with another one?
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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  5. #5
    Senior Tech 100+ Posts
    Color Asset bizhub C-224e


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    Re: Color Asset bizhub C-224e

    Quote Originally Posted by tsbservice View Post
    Did you replace it with another one?
    Yes. I did. Wrong?

  6. #6
    Senior Tech 100+ Posts
    Color Asset bizhub C-224e


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    Re: Color Asset bizhub C-224e

    I did it without removing the drive unit. I have had tested in my factory at the donor machine:
    Disconnect the wire from FRB. Losen 4 screws from sync unit. Lift the right (backside) lower edge from sync unit ower the drive shaft with gear. And than the rest right lower edge over the drive shaft. Sensor assy is open for remove.
    More important: reinstallation
    Pick the wire through the whole in the frame. Place left upper edge - at last turn dirve gear in the clutch gear untill it takes the sync unit on it's correct place. If everything is carefully done, nothing would be damaged.

  7. #7
    Service Manager 5,000+ Posts tsbservice's Avatar
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    Re: Color Asset bizhub C-224e

    Quote Originally Posted by CP-1015 View Post
    Yes. I did. Wrong?
    No I didn't want question your job, just asked for clarification.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

    Blessed are they who can laugh at themselves, for they shall never cease to be amused.

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