System, method and print cartridge for signaling user...

Details System, method and print cartridge for signaling user... System, method and print cartridge for signaling user...

2005-05-20

2008-12-09

Gray, David M. (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S012000

Reexamination Certificate

active

07463836

ABSTRACT:
A printing device (10) such as a laser printer includes a fuser assembly (200) with a fuser wiper (210) that can be removed and replaced by a user during normal maintenance to extend the useful life of the fuser assembly (200). Indicators (b0, b1) stored in a memory device (144) can be read by a print engine (36) of a printer (10) either when a print cartridge (100) is first inserted into the printer (10) or at specified times thereafter. Depending on the contents of the memory device (144), the print engine (36) may send a notification message to the printer's raster image processor (150) to cause a message to be displayed on the printer's operational/display panel (254) that informs a user the fuser wiper (210) should be replaced.

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