You either put in a bad NVRAM or you need to check your connections.
https://printcopy.info/?l=en&mod=erc&brand=Ricoh&model=Aficio%202020D&code=981
SOURCE: RICHO AFICIO 650 SHOW ERROR 890
The code 890 do not exist like 880 but, if it is 980? the problem can be in the hard disc...
Incorrect parameter sent to the HDD controller.
First try
reset the software… press the point and numeral
key simultaneously until automatically it is off the copier, several seconds can
pass, the copier back on automatically. The software will
have been loaded again.
If the problem persists it proves with another
hard disk,
since the
other possible solutions already are more complicated; these are:
· Software defective
· SBICU defective
Another
problem that sometimes cause erratic errors in these copiers is that it has
fallen develop in some sensor having caused short circuits that annul to some
times some voltage of the power supply interrupting processes indispensable for
software. Example “by developer in the ID sensor” the copier scanned but nothing more. Developer in the sensors of the feeding units produced a code 322 can
seem incredible but it is thus.
For it
would recommend a deep cleaning of the sectors of the image unit and everything
what is under the development unit.
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