| Abstract |
A hard copy apparatus comprising engine means (401) for inkung print media, including ink-jet printing means (405) for transferring ink from said writing engine means to print media, servicing means (407) for maintaining ink-jet functional integrity of the writing engine means (421 to 427), at least one predetermined ink (421,427), at least one ink cntaining means (411, 413, 415, 417) for containing a predetermined quantity of said at least one predetermined ink, delivering means (413 to 437) for delevering sai dink from said containing means to said ink-jet printing means, electrical means (445) for connecting power and control to said writing engine means, and housing means (403) for housing said printing means (405), servicing means (407, ink (421) ink containing means (411), delivering means (431), and electrical means (445), in a respective operational configuration as a selectively replaceable unit within the hardcopy apparatus; and hard copy engine means (301) for delivering print media to and from a printing zone location therein and for location the writing engine relative to said printing zone location. |