Found the reason: Windows Print Spooler is inactive. Lauching CMD.EXE in administrator mode and typing in "net start spooler" resulted in Error no 5, Access denied. I had to hit the right mouse button on the Computer icon, to navigate to Services and locate Print Spooling, wich was stopped. For some reason. From there, i was able to Start spooling services and instantly got all my printers icons back, showing "normal".
Now, how do I get rid of the extra instances of the P1606 printers? I only need one, really.
Do I simply "remove" the extra ones?
BTW, the printer driver was downloaded off the printer through its web interface. Not sure that this somehow caused the problem? But I am tempted to remove all traces of the P1606dn installation and install through the 140MB "normal" driver package?