The black developer is out of range. Either you need to add toner, if it is empty, or the black developer housing needs to be replaced. There is an off chance the high voltage power supply is bad.
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PrintCopy .infohttps://printcopy.info > code=SC390
Code: SC390; Description: TD sensor error 1. The TD sensor outputs less than 0.5V, 20 s after the TD sensor initial setting has been performed.
Missing: cod ' Must include: cod
Fixyahttps://www.fixya.com > ... > Ricoh
The closest thing is the sc390 code, which means either the toner density sensor or the developer has gone bad, and typically replacing the PCU can fix that ...
Copytechnethttps://www.copytechnet.com > 56632-sc-390-a
Sep 24, 2011 - I've got an Aficio 1018 that's generating sc390 after every 10 copies. I recently fitted new drum, cleaning blade and developer and changed ...
Missing: cod ' Must include: cod
Hot section problems Replace the fusing unit Its a kit make sure to put a new oil unit DO NOT USE THE OLD ONE, (sorry I yelled but new fuser failure sucks) -Carl
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