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05-01-2019 02:27 AM
When I add my device I get a default printer name NPI8D6B4F (HP Laserjet Professional P1606dn). The Laserjet P1606dn is right, but this driver doesn't work. When it does, I can't use two-sided printing. How do I get rid of this driver and replace it with one that works?
05-01-2019 09:11 AM
Where did you get the Driver you are using?
I usually try the UPD PCL5 from HP.com
FYI the NPIXXXXXX is derived from the Mac Address of the printer, the numeric portion is the last 3 Bytes of the address, (in Hexadecimal).
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