Question about Ricoh Aficio CL3500N Laser Printer

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Sc 441 error code - Ricoh Aficio CL3500N Laser Printer

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Yep Master... That is what the RICOH service manual says. They do not want you to know about their design flaw, or maybe they want to sell more PCU. In any case follow Lariatsd idea. it does work. I tried it already. The manual is only as good as those who write it. GM blew up a lot of deisel (gasoline blocks in the early 80's) engines replacing the injector pumps. but that came down to a small part that regulated back pressure in the fuel system that was a design flaw. Made one that was self cleaning then all was good, but too late for those engines But the manual said replace the injector pump! So they did..... Try it, you are going to toss the PCU anyway.

Posted on Sep 19, 2009

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Hi there the following is the description from the service manual hope this helps you Thanks J

441 PCU (CMY) motor error
The drive motor of the CMY
PCU is not locked.
• Defective gear
• Voltage between pins 2 and 14 (CN12 on engine
control board) abnormal (not +24V), or pin 12
(CN12 on engine control board) unable to send
motor clock
• Defective CMY PCU drive motor
1. Replace the CMY PCU.
2. Replace the engine control board.
3. Replace the main drive unit assembly.

I would try replacing the CMY PCU (Drums (Photo Conductor Units) first before any of the others.

Posted on Sep 02, 2009

  • cbtmaya
    cbtmaya Sep 02, 2009

    Hi there the following is the description from the service manual hope this helps you Thanks J

    441 PCU (CMY) motor error
    The drive motor of the CMY
    PCU is not locked.
    • Defective gear
    • Voltage between pins 2 and 14 (CN12 on engine
    control board) abnormal (not +24V), or pin 12
    (CN12 on engine control board) unable to send
    motor clock
    • Defective CMY PCU drive motor
    1. Replace the CMY PCU.
    2. Replace the engine control board.
    3. Replace the main drive unit assembly.

    I would try replacing the CMY PCU (Drums (Photo Conductor Units) first before any of the others.

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See the question Have a 3500n and cant keep PCU in it. Read the more and my comment. This will fix it. They are not working now so what can you hurt?

Posted on Sep 19, 2009

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jaylex
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SOURCE: SC 441

Hi there the following is the description from the service manual hope this helps you Thanks J

441 PCU (CMY) motor error
The drive motor of the CMY
PCU is not locked.
• Defective gear
• Voltage between pins 2 and 14 (CN12 on engine
control board) abnormal (not +24V), or pin 12
(CN12 on engine control board) unable to send
motor clock
• Defective CMY PCU drive motor
1. Replace the CMY PCU.
2. Replace the engine control board.
3. Replace the main drive unit assembly.

I would try replacing the CMY PCU (Drums (Photo Conductor Units) first before any of the others.

Thanks J

Posted on Jan 13, 2008

  • 1 Answer

SOURCE: ricoh aficio 3500

sc441 error means one or more of the developer unit(PCU) isnt rotating. you have to take the PCU out to see which color isnt rotating. there maybe one of the doctor blade is flipped, usually caused by lack of toner in the PCU.

Posted on Jun 05, 2008

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Hi there the following is the description from the service manual hope this helps you Thanks J

441 PCU (CMY) motor error
The drive motor of the CMY
PCU is not locked.
• Defective gear
• Voltage between pins 2 and 14 (CN12 on engine
control board) abnormal (not +24V), or pin 12
(CN12 on engine control board) unable to send
motor clock
• Defective CMY PCU drive motor
1. Replace the CMY PCU.
2. Replace the engine control board.
3. Replace the main drive unit assembly.

I would try replacing the CMY PCU (Drums (Photo Conductor Units) first before any of the others.

Thanks J

Jan 06, 2008 | Ricoh Aficio CL2000 Laser Printer

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