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Replace your polygon mirror motor or complete laser unit if you have one available. Replace this a.s.a.p as it can cause your BICU to pop. If your machine is already dead and you picked the code up on the web browser you need to replace the BICU as well. Do not replace the BICU without replacing the polygon motor. If you do you will pop the BICU again.
The Ricoh has toner and developer. When the developer is depleted it can not get to the right density when toner is added so the machine keeps saying to add toner. You need to clean out the developer unit and put in new developer. Depending upon your model you may need to install a drum and blade too. Ricoh technicians are trained to dissemble the unit and just replace the parts needed instead of getting a whole drum/developer unit. If you live in Southeast Florida Advanced business computers is a great source for help. Computer network repair, printer and copier maintenance repairs, leasing and supplies.
Should replace the TYPE 28 DEVELOPER every 60,000 pages.... this is needed to mix with the toner. if you cleaned the toner/ developer mix out of the developer already then it will definatly give you blank pages ..... hopefully this helps.
The TD sensor is reading an abnormal value, this could happen if no toner is getting into the developer unit or it could be a bad TD connection or TD failure. Would suggest checking to see if the toner supply path is working first.
Check that the toner bottle is empty and most of the toner in the development unit is depleted.Add a new bottle of toner, run a forced toner until it looks good, then run td initialization.
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The developer is not a toner. It goes in the developer unit, it is installed by a service rep. You need to empty out the used developer & install the new bag of developer & rest the counter & set the developer up to add toner when needed. To make a long story on developer short > it is made up of iron filings & it holds the toner on the developer make roller to make a even coat of toner on your paper... Good Luck..... Just to let you know your copier is a Ricoh and it is a dul component copier
Are you a tech? I suspect not. You need to remove the drum unit, disassemble, separate the drum from the development unit. Remove cover of developer unit, add developer, reassemble, and run SP2214 to calibrate. This is NOT a procedure to be performed by an end user...no disrespect intended.