Ricoh Aficio 1035 PCU Unit

[Iowatech]

I was curious what that error code actually was for, so I looked up today while at lunch. Turns out SC350 is a bad ID sensor pattern. While SC350 can be caused by a bad drum ground, based on the latest information I'd guess something along the lines of contaminated charge roller would be far more likely in this case (toner should only be attracted to parts of the drum that have less charge after all, and a faulty drum ground prevents that). I suppose that there is a chance that the developer bias could be turned up to a ridiculous value or the developer material could be way overtonered, but as the charge roller cleaning pad on these machines tend to disintegrate over time I'd say the charge roller and it's associated systems should be considered the most likely suspects.

[slimslob]

I was curious what that error code actually was for, so I looked up today while at lunch. Turns out SC350 is a bad ID sensor pattern. While SC350 can be caused by a bad drum ground, based on the latest information I'd guess something along the lines of contaminated charge roller would be far more likely in this case (toner should only be attracted to parts of the drum that have less charge after all, and a faulty drum ground prevents that). I suppose that there is a chance that the developer bias could be turned up to a ridiculous value or the developer material could be way overtonered, but as the charge roller cleaning pad on these machines tend to disintegrate over time I'd say the charge roller and it's associated systems should be considered the most likely suspects.

A faulty drum ground can actually cause the drum not to take a charge at all. Simply put, no ground, no completed path for the charge current. No completed path for the charge current, no charge current, no charge.

[Tonerbomb]

what are the vsg and vsp readings?? Have you done the "Patch check on this machine??" Open the duplexer and the RH door, Cheat(err Bypassthe door safty switches) to see if the machine actually develops a good patch??????