Probaj, ne moze da skodi:
Resetting HP Photosmart C6180 & C7180 "system failure" errors:
(might work on other similar models as well)
1) press * and # at the same time
2) press 1, 2, 3 and “support R0632M” should display
3) press > and “information menu” should display
4) press > and “configuration menu” should display
5) press OK and “hardware failure status” should display
6) press OK “failure status: clear”. Press OK to clear
7) press CANCEL
8) press CANCEL
9) press CANCEL
10) turn printer off, unplug power cord for 2 minutes, plug cord back in then turn printer back on.
http://www.inkbank.com.au/webcontent21.htm