Question about Ricoh Aficio 450 Copier

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The 391 code problem

The copier brings this code after a few copies are made and you have to restart the copier again,its messing up alot please someone advice on what to do.

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SC 391 is image storage address error. Development BIAS leak. Charge AC output error.

Should be checked out by a technician. It could be a few things going on with it.

Posted on Sep 01, 2008


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Posted on Jan 02, 2017


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Hi iheanyippaul,

I see you concern, I believe you will need to check your toner if it is placed properly inside the machine seems that it is not locked/latched in its place to be able to print properly reason why you get a blank paper and black dust when printing.

Remove the Toner and re insert it again making sure the toner is set properly inside and also make sure the correct toner cartridge is installed, an incorrect or incompatible toner can cause issue of not getting to print anything on the paper or possibly not fit inside the machine correctly.

I hope this helps.

Have a nice day,


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