Image forming device with end of life messaging for consumables

Details Image forming device with end of life messaging for consumables Image forming device with end of life messaging for consumables

1996-05-22

1997-10-28

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340635, 340653, 340691, G08B 2100

Patent

active

056821409

ABSTRACT:
A method of and an apparatus for communicating with the operator that of an image forming device which reduces the probability of error in acquiring a replacement consumable and which alerts the operator as to the proper disposal of the exhausted consumable. The invention utilizes status sensors within the printing device to sense when a particular consumable is exhausted or nearing exhaustion. The printing device automatically prints a hard copy page for the operator informing the user of the status of the particular consumable and corrective action to be taken. This is accomplished by a firmware implementation within the image forming device where in addition to, or in lieu of, a traditional low level status light indicator, the low level sensor sets a flag within the firmware program of the printing device which causes one or more pages of information to be printed from the image forming device. This information can be completely prestored within a memory device such as a ROM (read only memory) or NVRAM (non-volatile random access memory) either within the image forming device or on the consumable itself, or, the message can be generated at least partially in a dynamic fashion depending upon the type of consumable consumed and other use factors.

REFERENCES:
patent: 4390872 (1983-06-01), Murakami et al.
patent: 4520354 (1985-05-01), Umeda et al.
patent: 4586034 (1986-04-01), Nakamine

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