The present invention is a replaceable ink container for use with a printing apparatus. The printing apparatus of the type having out of ink detection. The replaceable ink container includes a fluid reservoir having an outlet. The outlet is configured for connection to a fluid inlet associated...http://www.google.com.au/patents/US5844580?utm_source=gb-gplus-sharePatent US5844580 - Ink container configured for use with a printing device having an out-of-ink sensing system 
