Question about Ricoh Aficio CL3500N Laser Printer

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Sc 441 error massege - Ricoh Aficio CL3500N Laser Printer

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The SC441 error means one or more of the developer units (PCU) is not rotating. You have to take the PCU out to see which color isn't rotating. One of the doctor (cleaning) blades might be flipped, usually caused by lack of toner in the PCU.
Basically, if you just open up the printer, latches and everything, and just make sure the parts are all able to move freely by giving them a bit of a test with your hand, then close the printer up turn it off then back on and it should be working.


Posted on Jan 05, 2013

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Posted on Jan 02, 2017

  • 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

jaylex
  • 417 Answers

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: SC 441 Alert, Richo Aficio CL 3500N

I have run into this several times with these printers. In every case, it has been the CMY PCU. These run about $300.

I have read that by cleaning the PCU, you can get it to work sometimes. So far, I have not been lucky enough for it to work.

Posted on Apr 14, 2009

  • 2 Answers

SOURCE: sc 441 error code

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

elix0411
  • 3530 Answers

SOURCE: Error Message for Ricoh CL 3500:

Welcome to Fixya

SC441 error means that one or more of the developer unit(PCU) is malfuntioning or not rotating. Take out the PCU out to see which color is not rotating. There maybe one of the doctor blade is flipped, usually caused by lack of toner in the PCU.

Thank you for using Fixya!

Posted on Dec 01, 2010

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I have run into this several times with these printers. In every case, it has been the CMY PCU. These run about $300.

I have read that by cleaning the PCU, you can get it to work sometimes. So far, I have not been lucky enough for it to work.

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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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