Google to the rescue...
http://www.google.com/search?sourceid=navclient&ie=UTF-8&oe=UTF-8&q=50+service+laserjet+4
(watch the wrap)
Looks fairly straightforward to fix..
HTH
,,,,,
( o o )
=============oOO=======OOo================
Pat Shugart
Trinity Information Services
34605 Twelve Mile Road
Farmington Hills, MI 48331
248.489.6123
248.488.9195 (fax)
>>> Olav Kappert <[log in to unmask]> 08/13/03 11:58AM >>>
Hi:
This morning I switched on the printer and received an error code '50
SERVICE' in the window.
Any ideas on how to fix this problem, or what caused the problem,
without having to call HP.
Olav Kappert.
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