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Wet Release Hot Roll Fuser

IP.com Disclosure Number: IPCOM000040173D
Original Publication Date: 1987-Oct-01
Included in the Prior Art Database: 2005-Feb-02
Document File: 1 page(s) / 12K

Publishing Venue

IBM

Related People

Adams, L: AUTHOR [+4]

Abstract

In an electrophotographic reproduction device having a wet release hot roll fuser, the need to add silicone release oil to the fuser's oil reservoir is indicated by the count contained in a counter. This counter decrements as copies or prints are made and as a positive displacement pump pumps oil out of the reservoir to the hot roll wick. When the operator adds oil to the reservoir, the counter is incremented by an amount that is related to the amount of oil that was added. Thus, at any given time, the content of the counter is an indication of the amount of oil in the reservoir. The reproduction device is manufactured with a full oil reservoir, and the counter is set to a maximum value (i.e., the number of pump activations needed to empty the reservoir).

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Wet Release Hot Roll Fuser

In an electrophotographic reproduction device having a wet release hot roll fuser, the need to add silicone release oil to the fuser's oil reservoir is indicated by the count contained in a counter. This counter decrements as copies or prints are made and as a positive displacement pump pumps oil out of the reservoir to the hot roll wick. When the operator adds oil to the reservoir, the counter is incremented by an amount that is related to the amount of oil that was added. Thus, at any given time, the content of the counter is an indication of the amount of oil in the reservoir. The reproduction device is manufactured with a full oil reservoir, and the counter is set to a maximum value (i.e., the number of pump activations needed to empty the reservoir). Later, as copies are made, the counter decrements once for every 40 copies. When the counter reaches a given count (i.e., for example, a count indicating that the reservoir is 90% empty), the device's cathode ray tube (CRT) is controlled to supply a message to the operator indicating the need to add release oil to the fuser's reservoir. If this message is not complied with in a given number of copies (for example, 10,000 copies), the device automatically shuts down until oil is added. Usually, the operator will promptly add release oil. A CRT message then prompts the operator to key-in the amount of oil that was added. This can be done, for example, by asking the operator to view a sca...