unknown

asked Sep 25, 2003 at 4:37am
Hp HP DeskJet Plus

HP Laserjet 4 power supply

Hi
I have two HP Laserjet 4 machines and one HP Laserjet 4 PLus machines, which all have faulty power supply units.
Please has anyone experience of this fault, and what the most common component of the power supply that goes faulty?
Ian