[Error Code] SC # 374-01 on Ricoh Pro 8220S

[nadimtopsecret]

Hi all,

I'm facing SC # 374-01 from last few days. As per FSM checked ITB unit and replaced ITB belt and developer, checked ID sensor but problem exist. After printing 5-10 pages machine is showing SC # 374-01. Sometimes SC 370-00 is also appearing. Need experts suggestion.

[slimslob]

Re: SC # 374-01 on Ricoh Pro 8220S

Hi all,

I'm facing SC # 374-01 from last few days. As per FSM checked ITB unit and replaced ITB belt and developer, checked ID sensor but problem exist. After printing 5-10 pages machine is showing SC # 374-01. Sometimes SC 370-00 is also appearing. Need experts suggestion.

Did you properly remove the Image Density sensor and clean it as it is what you were supposed to "Check" on the ITB unit?

A dirty or defective density sensor will cause the problem. Clean only with a soft cotton cloth slightly dampened with water ONLY. Any other type of cloth will cause static that will attract dust and toner.

[nadimtopsecret]

Re: SC # 374-01 on Ricoh Pro 8220S

Yes I properly removed and checked the Image density sensor and cleaned it properly several times. But same problem appearing continuously 😓

[slimslob]

Re: SC # 374-01 on Ricoh Pro 8220S

Then the sensor might be bad or there could be a problem in the toner system.

[nadimtopsecret]

Re: SC # 374-01 on Ricoh Pro 8220S

Then the sensor might be bad or there could be a problem in the toner system.

I've checked the full ITB unit and full drum-Development unit in a running good same model machine to confirm if there is any specific unit's problem, but problem still exists.
Now also checked Toner path also, but problem appears frequently.

[nadimtopsecret]

Re: SC # 374-01 on Ricoh Pro 8220S

From today noon machine is showing SC # 370-00. Although morning it was SC # 374-01, but now when we power on the machine, it is showing SC # 370-00 instantly before getting ready. Swapped ID sensor from another running machine, and swapped full ITB unit also but problem still same. The same ITB unit is running in another machine very well.
What can I do please suggest.

[TonerMunkeh]

Re: SC # 374-01 on Ricoh Pro 8220S

You're going to have to start looking at boards next, IOB first.