Ink jet printer device with exchangeable printheads

Details Ink jet printer device with exchangeable printheads Ink jet printer device with exchangeable printheads

1994-09-14

1995-10-24

Wong, Peter S.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 8, 347 50, B41J 214, B41J 25308

Patent

active

054614058

ABSTRACT:
The ink jet print device has a multiplicity of plug-in type printheads (12) mounted on support plates (23). The support plates can be replaced and interchanged without difficulty by an operator. To this end, the print device is divided into a lower part and the actual printheads (12) such that, when the heads (12) are plugged in, the necessary mechanical, electrical, and hydraulic connections (27, 28, 29, 31, 26, 41, 33) between the heads (12) and the lower part of the print device are all established. Guide and locking means are used to ensure that the plugged-in heads are exactly positioned and held in place. The sockets for the individual heads (12) are each of identical design so that the simple replacement concept permits any printheads to be used for color printing and graphics and for printing with different droplet sizes.

REFERENCES:
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IBM Technical Disclosure Bulletin, vol. 17, No. 9, Feb. 75, pp. 2622-2623; R. E. Pelkie e.a.: "Cassette ink jet head".

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