Question about Ricoh Aficio AP3800C Laser Printer

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Ricoh 3800c I still have the same error message SC670, I have been waiting for my local service (where I purchased my first machine) but they don't seem to want to work on this. I have some boards that I took out of another machine that I got rid of, can you tell me where to find the BCU board and what it looks like, If it is the same as one of the ones I have I will try and change it myself. Thanking you in advance bobjboffset

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SC 670

ITEM
No response from BCU at power on

DEFINITION
When the main power is turned on or the machine starts warming up from energy-saving mode, the controller does not receive a command signal from the BCU.
POSSIBLE CAUSE
· Loose connection
· Defective controller
· Defective BCU
TROUBLESHOOTING PROCEDURE
1. Turn the main switch off and on.
2. Check the connection between the BCU and controller.
3. Replace the controller.
4. Replace the BCU.

BCU controls all the mechanical components.

Posted on Mar 19, 2008

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I would change the print controller first. It is the one where the network cable plugs in.

Posted on Mar 12, 2008

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