🚀 go-pugleaf

Derek Tidman <Derek@adams.demon.co.uk> wrote:
>Anybody got any ideas what's going on....
>
>A server on a small windows network has three parallel printers
>attatched. One on the original LPT1 and two more on a further card.
>
>When the server is booted with the printers turned on it will
>often blow the fuse in the servers plug. 5amp. The blow
>happens at the post test stage.
>
>With a spike protector (simple plug) fitted to the computer acting as the
>server the computers power supply will trip out. At other times everything
>works correctly making tracing and removal of units a problem.
>
>One printer is a deskjet , one a HP4L and the other an ancient
>daisy wheel. I havn't been to the site but my initial thoughts
>are that the problem is associated with the port initialisation
>which I understand sets bits high on some machines.
>
>I can imagine that this output is getting grounded but I would
>have expected this to cook the I/O cards after a while.
>
>............. any advice.......
>
>--
>------------------------------------------------------------------------------
>Derek Tidman                  |"To maintain the exponential growth of the    |
>Derek@adams.demon.co.uk       | Internet it is the duty of all users to      |
>                              | waste as much bandwidth as possible........" |
>------------------------------------------------------------------------------
Just read article explaning that laser type printers draw lots of current sometimes (think has something to
do with heating a part in printer).   Is your printer laser? If so suggest different breaker circuit.