Help!!Problems with my Ricoh!!

[Guest]

Hello, I own a RICOH MP7125A with NERO 5.
problems started when the CDR/W Drive didn't recognize CDR and ordinary discs. Therefor I've opened its cover and cleaned very gently the lens with a special electronics spray. The Drive is now able to read data but not write!!!.
Please, what might be the problem, how can I fix it?
note: someone suggested working with the potentiometers, please elaborate if you can.

 

[Arrow]

Were you ever able to write with it?

Rob
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[Guest]

Yes, this drive is only one year old.
until couple of months ago it worked very good, and for the last weeks it made me some problems when sometimes it was working fine and sometimes didn't recognize the discs.