Ink jet printer with replaceable ink cartridges

Incremental printing of symbolic information – Ink jet – Housing

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Details

B41J 2913

Patent

active

060658312

ABSTRACT:
An ink jet printer comprises an ink jet print head with detachable ink cartridges, a carriage holding the print head, a controller for controlling their actions, and an outer case having an opening formed for detachment of the ink cartridge and mounting of a new ink cartridge. To the outer case, a manual operation key and an opening/closing cover for closing the opening are attached. The opening and closing of the opening/closing cover are detected by a sensor. The manual operation key has two action modes. When the opening/closing cover is opened, the controller switches the action modes from a sheet feed mode to a mode for moving the carriage to a region opposed to the opening for detachment of the ink cartridge and mounting of a new ink cartridge. The number of operation keys is decreased, and key operation becomes easy. A display of an action is made on the outer case and the opening/closing cover so that each action can be known whether the opening/closing cover is open or closed.

REFERENCES:
patent: 5504513 (1996-04-01), Nobel et al.
patent: 5627572 (1997-05-01), Harrington, III et al.
patent: 5786842 (1998-07-01), Awai et al.
Laser Class 700/7500 Plain Paper Facsimile Instruction Book, pp. 22-25, 1993.

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