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  1. #1
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    ricoh aficio 3045 laser unit

    hi,
    sc323 on aficio 3045. i have 2 laser units. one is good and the other one has sc323. i tried swapping the ld units but sc323 appears on both laser units. when i put the ld units back to it's original laser, the two laser units now has sc323. is there any adjustment in the laser unit or are there parts that i need to replace aside from replacing the whole laser unit?
    please help. thank you.


  2. #2
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    Re: ricoh aficio 3045 laser unit

    Is the machine very dirty and the toner start to drop down on LD unit during installation ? If yes try to solder out the circuit board which hold the 2 led and clean the internal. Careful when fix back the flat ribbon cable and adjust the laser beam pitch adjustment.


  3. #3
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    Lightbulb Re: ricoh aficio 3045 laser unit

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  4. #4
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    Re: ricoh aficio 3045 laser unit

    Quote Originally Posted by ccchuah View Post
    Is the machine very dirty and the toner start to drop down on LD unit during installation ? If yes try to solder out the circuit board which hold the 2 led and clean the internal. Careful when fix back the flat ribbon cable and adjust the laser beam pitch adjustment.
    hi thank you for your solution. yes the ld unit was full of toner when sc323 appeared. i am just wondering why after i replaced the ld unit (that causes sc323) with an ld unit from a good laser unit, sc323 still appears.
    i'll try your solution. more power.


  5. #5
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    Re: ricoh aficio 3045 laser unit

    If swapping LD Units didn't work, then it's likely either a poor connection between LD unit and the BICU or defective BICU


  6. #6
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    Re: ricoh aficio 3045 laser unit

    Quote Originally Posted by sandmanmac View Post
    If swapping LD Units didn't work, then it's likely either a poor connection between LD unit and the BICU or defective BICU
    Yes, you could have a problem with the BICU. However, make sure the interior of the LD unit and lenses are spotless.Also, you also HAVE to run beam pitch adjustments when swapping LD units if you want it to work correctly.

    NEVER ASSUME ANYTHING

  7. #7
    Service Manager 100+ Posts vargue's Avatar
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    Re: ricoh aficio 3045 laser unit

    this model didn't have ribbon cable it's modified in 3045 with harness or socket. sc323 it's ld board problem yo need to check out board. variable resistors .and replace bicu causes this problem


  8. #8
    Senior Tech 100+ Posts df3036's Avatar
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    Re: ricoh aficio 3045 laser unit

    Think different...

    BULLETIN NUMBER: B135/B138 - 012 REISSUE
    Laser synchronization error (SC322, SC326)

    Laser power is run thru the front door interlocks. Was a problem on 2045's. 3045's are the same engine.

    Just a thought...

    Kittens give Morbo gas.

    A+, Network+, Server+, PDI+

  9. #9
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    Re: ricoh aficio 3045 laser unit

    thank you for your replies. the bicu is ok because when i installed a third laser unit taken from a working machine, the machine works fine. i'll try your solutions about fixing the ld units.


  10. #10
    Techie 1,000+ Posts tcs04's Avatar
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    Re: ricoh aficio 3045 laser unit

    Make sure all the seals between the drum and dev units are replaced or the machine may dump toner into the new laser unit!


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