Question about Ricoh Aficio 450 Copier

2 Answers

Proplem in aficio 450

In this modeles i have abig problm the copier write erorre sc 322 i know this problem is unite laser .
but i test it
1- the polegon motor is good
2- the LD unit is good
3- the secothenaion board is good
i think this problem in mirrore
i hope if you can help me

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  • 2 more comments 
  • Anonymous Jan 07, 2008

    1. the polegon motor is good
    2. the LD unit is good
    3. the secothenaion board is good
    problem face on mirror
    i hope if you can help me

  • raghu ram Jan 07, 2008

    1. the polegon motor is good
    2. the LD unit is good
    3. the secothenaion board is good
    problem face on mirror
    i hope if you can help me

  • raghu ram Jan 07, 2008

    1. the polegon motor is good
    2. the LD unit is good
    3. the secothenaion board is good
    problem face on mirror
    i hope if you can help me

    please answer the above questions to send my email address

  • Anonymous Mar 28, 2014

    stock in registration



2 Answers

Thank you for your import
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my email / & this is my msn massenger
i hope to conncted
thank you

Posted on Jan 02, 2008

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  • Expert
  • 417 Answers

322 C 1st laser synchronization error
• The 1st laser synchronization signal
cannot be detected by the main scan
synchronization detector board even
if the laser diodes are activated.
• Poor cable connection between the
laser synchronization detector board
and the LD unit.
• Laser synchronization detector board
out of position and angle of reflection
not correct
• Laser synchronization detector board
• LD unit defective

Above is a detailed description of your problem if the copier has had a knock there maybe a mirror out of position. remove the laser unit and open. check that the mirrors are in there correct places.

Once you have done this enter service mode by pressing the yellow clear all button type using the numeric keys 1 0 7 the hold the pink stop button down unit the screen changes. press the Copy SP mode button on the screen then turn the machine off using the switch on the left hand side wait about 5 - 10 seconds and switch on then try the copier. If the problem comes up again you will most likely have to replace the LSU (Laser Scanner Unit)


Hope this is some help please rate me

Posted on Dec 30, 2007


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