I beleive I have the same problem with 4.1.1+xorg1.0.2-0ubuntu7 (Hardy).
If I did not move the mouse or typed anything on the keyboard all I got
is a blank screen.
The situation is the same if I connected to the vncserver locally.
I use x11vnc as a workaround.
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vnc4server only updates on mou
Same problem here with HP Deskjet 5550.
Description: hp deskjet 5550
Location:
Printer Driver: HP DeskJet 5550 Foomatic/hpijs (recommended)
Printer State: idle, accepting jobs, published.
Device URI: hp:/usb/deskjet_5550?serial=MY2CH1M15K2L
It starts printing but only after a few lines on the