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| Number | Title | Issue Date |
| 5574551 | Print media supply apparatus with media parameter detection capability In hard copy machines, automatic detection of the size of print media in a supply bin is provided by electrical devices. Adjustable print media alignment fences are operatively connected to the electrical devices, such as potentiometers, photovoltaic stri... | 11/12/1996 |
| 5557391 | Image forming apparatus for producing duplex or composite prints with improved efficiency by feeding sheets at shortened intervals An image forming apparatus includes a feeder for feeding a new paper accommodated in a feeding cassette, an image forming device which forms an image on the paper fed by the feeder, an intermediate container which temporarily accommodates the paper fed by... | 09/17/1996 |
| 5552859 | Sheet supplying apparatus with means for rocking sheet stacking plate A sheet supplying apparatus has a sheet stacking plate on which sheets are stacked, a drive unit for vibrating the sheet stacking plate upwardly and downwardly, and a sheet supply mechanism for supplying the sheet from the sheet stacking plate. A sheet su... | 09/03/1996 |
| 5396313 | Out of media detection system for a roll media feed apparatus An end of media detection system is provided for a system which unrolls a media supply such as paper from a cylindrical core substrate. One (trailing) edge of the media is attached to the core substrate. As part of the media detection system, a shaft whic... | 03/07/1995 |
| 5393043 | Image forming apparatus with automatic paper supply mechanism An image forming apparatus is coupled to a paper supply mechanism formed of a plurality of paper supply units storing papers, the plurality of paper supply units being arranged in a predetermined order along a paper feed path and papers being ejected one ... | 02/28/1995 |
| 5384624 | Image forming apparatus with automatic control for drawing cassette therefrom An image forming apparatus includes a sheet mounting unit for accommodating sheets, a moving unit for automatically moving the sheet mounting unit between a feed position within a main body of the image forming apparatus for feeding the sheet and a drawn ... | 01/24/1995 |
| 5359400 | Image forming apparatus The present invention provides an image forming apparatus with a sheet supply cassette which can contain a plurality of recording members and can be removably mounted within the image forming apparatus, an image forming device for forming an image on the ... | 10/25/1994 |
| 5347350 | Sheet feeder A sheet feeder includes a feeder for feeding a sheet, a cassette for containing a plurality of stacks of small sized sheets side by side therein, the cassette including a plurality of biasing members for biasing the respective stacks of small sized sheets... | 09/13/1994 |
| 5204726 | Copying paper feed sensing device for a copying apparatus A device for sensing feeding of copying papers, which may promptly detect paper jamming and misfeeding occurring at a paper feed route of a copying apparatus, such as a laser printer or a copier, thereby preventing pollution by toner or damage of the appa... | 04/20/1993 |
| 5168316 | Sheer feeding control mechanism for an image forming apparatus An image forming apparatus is so constructed that, even when, during a portion of a processing for feeding the medium from one of a plurality of medium storage sections, the medium storage section involved becomes empty in the case where there exists, in ... | 12/01/1992 |
| 5157448 | Automatic copier or printer paper tray lock A reproduction machine paper loading drawer interlock system which provides protection from jams by preventing drawer opening during sheet feeding therefrom, yet provides more frequent and/or rapid drawer access for copy paper loading, particularly desira... | 10/20/1992 |
| 5081490 | Method of controlling image forming apparatus when a jam occurs in the original feeder In a method of controlling copying-paper feed in an image forming apparatus having a recycling original feeder for feeding a sheet of an original mounted on a tray to an original reading portion, a paper supply unit for starting a paper supply operation o... | 01/14/1992 |
| 5053814 | Image forming apparatus An image forming apparatus includes various image forming units and a detachable paper cassette with data on its outer surface as to thickness, talc content, quality and the type of copy paper; the image forming units being controlled in accordance with t... | 10/01/1991 |
| 5021826 | Electrophotographic copying machine having a function of judging whether a copying operation can be performed responsive to a remainder amount of consumptive parts or materials An electrophotographic copying machine including consumptive parts or materials which are used or consumed upon every operation is disclosed. In the copying machine, a remainder number of copies to be obtained until consumption of either one of said parts... | 06/04/1991 |
| 4974019 | Image forming device operable to start recording by setting recording materials An image forming device having a paper feeding function for automatically feeding recording paper. The device is provided with a function in which a copying or printing operation is interrupted on a detection of exhaustion of the paper and in which the op... | 11/27/1990 |
| 4922294 | Image forming apparatus An image forming apparatus equipped with a sensor for detecting the requirement of replenishment and exchange of expendable supplies, parts and the like and an image forming structure capable of forming on the same sheet of paper a prewarning image in add... | 05/01/1990 |
| 4914479 | Image formation apparatus with cartridge for roll of photosensitive sheet A cartridge containing a roll of photosensitive sheet and set inside an image formation apparatus has both an outlet and an inlet. Its interior is divided by a flexible sheet into a chamber originally containing the roll of unused photosensitive sheet and... | 04/03/1990 |
| 4885613 | Device applicable to an image recording apparatus for feeding a recording medium A device applicable to an image recording apparatus for feeding a recording medium in the form of a paper roll or a cut paper to a predetermined recording section of the apparatus. The device includes a plurality of paper feed mechanisms for feeding a rec... | 12/05/1989 |
| 4879575 | Copying apparatus with provision for delayed reset in the event of paper exhaustion A copying apparatus includes a paper storing portion for feeding copy paper toward an image forming portion, a detector for detecting paper empty in the paper storing portion, and an automatic resetting mechanism. The automatic resetting mechanism has two... | 11/07/1989 |
| 4835573 | Machine control system utilizing paper parameter measurements Data processing elements such as microcode count the number of cut sheets fed from a supply bin and also monitor the amount of bin travel. This yields data correlated to actual sheet thickness and weights useful for a variety of applications. For instance... | 05/30/1989 |
| 4745440 | Image forming apparatus An image forming apparatus of an improved construction, which comprises a viewable image forming medium to form a viewable image on a recording sheet; storage members for accommodating a plurality of sheets of the recording material; processing device for... | 05/17/1988 |
| 4734747 | Copying machine with a copy paper detection device In a copying machine in which a plurality of copies are made on a plurality of sheets of copy paper transferred from one or more paper cassettes, there are provided means for detecting the amount of the copy paper present in paper storing means, designati... | 03/29/1988 |
| 4721382 | Copying apparatus having a sheet refeeding device A copying apparatus including a recording device for forming an image on copy paper sheets fed from a sheet feeding portion and discharging the copy paper sheets to a sheet ejecting portion, a sheet cassette mounted detachably on the sheet ejecting portio... | 01/26/1988 |
| 4624544 | Automatic xerographic plate development system An improved system for the automatic development of large xeroradiographic images. The system is arranged from left to right in the following order: the development station, the transfer station, the cleaning station, the input and output stations and the... | 11/25/1986 |
| 4503960 | Method and apparatus for sensing a supply of sheets in a magazine A sensor senses the height of a stack of sheets in a magazine. The sensed height is scaled according to the thickness of individual sheets to determine the number of sheets available. At the start of a run of, for example, a copying machine, the number of... | 03/12/1985 |
| 4500199 | Electrophotographic apparatus comprising detection assembly for detecting record paper shortage An electrophotographic apparatus of the retention type is provided with a record paper detection assembly which generates a paper shortage signal when the number of record papers stored in a paper cassette is decreased to a predetermined small number subs... | 02/19/1985 |
| 4460269 | Automatic document feeder for use in combination with an electrophotographic copying machine In an automatic document feeder for use in combination with an electrophotographic copying machine for feeding documents successively into the copying machine by separating and feeding the documents one by one from a stack of documents, the stacked docume... | 07/17/1984 |
| 4394088 | Copying machine An improved copying machine is provided to eliminate problems associated with an erroneous indication of paper misfeed. Control means is provided for rendering a jam detection circuit inoperative when it is determined the copy paper is absent in the stora... | 07/19/1983 |
| 4377333 | Recording apparatus There is provided a recording apparatus including a holder member upon which an image is formed by scanning a modulated beam, a transfer device for transferring the formed image to a continuous transfer material, a transfer material transporting device fo... | 03/22/1983 |
| 4008957 | Reproduction machine control An electrostatic reproduction machine incorporating plural supply trays for the machine copy substrate material to permit switchover from one tray to the other upon depletion of the first tray. The supply trays are individually adjustable to accommodate s... | 02/22/1977 |
| 3970384 | Safety device for photocopying machine The exhaust of stocked copying paper and the failure in feeding copying paper are detected so that means for driving a feeding system may be immediately stopped, and no failure in feeding copying paper is detected and failure in discharging copying paper ... | 07/20/1976 |
| 3944360 | Programmable controller for controlling reproduction machines A programmable controller is used to control the operation of a xerographic reproducing machine adapted to run in a simplex or duplex mode whereby copies are made on either or both sides of web material fed in a single pass and then cut into individual co... | 03/16/1976 |
