Product field changes at every scan

Product field changes at every scan

Hi all, here my problem...

After scanning my network SDPlus auto complete some fields for network objects like workstations, printers and servers. Sometimes the field "Product" is wrong (for example in Printers like HP Laserjet 1606 and P2015 the field become "HP-Printer"). No problem. I can change it manually but after every scanning the field reset to HP-Printer. The same is for fields like 

How can I set this field and deny the auto change after every network scan?

Thank you! ;)
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