After applying HT3669, my HP LaserJet Professional P1100+ no longer able to use manual duplex.
After applying HT3669, my HP LaserJet Professional P1100+ no longer able to use manual duplex.
iMac C2D, Snow Leopard
HP LaserJet Professional P1100+
The alert box is suppressed in the warning printing queue instead of an Alert Box with [OK] to press.