摘要:
A roller (90) in an image recorder, such as a high-speed printer, has a thin surface layer (91) made from a ladder-structure polysiloxane resin having repeating units of the general formula:
A mixture of phenyl and methyl groups is preferred for the side groups R¹. The surface layer (91) has toner release properties, so that fused image toner does not stick. It also withstands heat and wear.
摘要:
Disclosed is an electrical power supply (18) for use, for example, for a flush fusing device in an electrophotographic recording apparatus, in which a DC high voltage is generated from a low voltage of a AC power supply (11) so that the high voltage DC energy is momentarily consumed or discharged. The electrical power supply (18) is configured in a manner so that, in order to make unnecessary a charging capacitor and a current limiting resistor for preventing rectifier elements from being damaged, at least a part of the rectifier elements are constituted by rectifying control elements such as thyristors or transistors (5, 6) and a control signal is given to those rectifying control elements so as to make the rectifying control elements be in an isolated state. By use of such a configuration, the electrical power supply (18) can be reduced in size as well as in power loss. The effect can be fully exhibited not only in a fusing apparatus employing the electrical power supply but in a recording apparatus employing such a fusing apparatus.
摘要:
Disclosed is an electrical power supply (18) for use, for example, for a flush fusing device in an electrophotographic recording apparatus, in which a DC high voltage is generated from a low voltage of a AC power supply (11) so that the high voltage DC energy is momentarily consumed or discharged. The electrical power supply (18) is configured in a manner so that, in order to make unnecessary a charging capacitor and a current limiting resistor for preventing rectifier elements from being damaged, at least a part of the rectifier elements are constituted by rectifying control elements such as thyristors or transistors (5, 6) and a control signal is given to those rectifying control elements so as to make the rectifying control elements be in an isolated state. By use of such a configuration, the electrical power supply (18) can be reduced in size as well as in power loss. The effect can be fully exhibited not only in a fusing apparatus employing the electrical power supply but in a recording apparatus employing such a fusing apparatus.
摘要:
The present invention provides a high-speed image forming method and apparatus capable of directly controlling a toner by the force of an energy beam. Selected toner particles 101 in a mass of toner adhering to the surface of a transparent drum 221 are irradiated with a laser beam 81 emitted by a laser disposed within the transparent drum and controlled for scanning according to image information. The laser beam separates the selected toner particles from the transparent drum by the force it produces on the particles, and then the separated toner particles are moved to a paper sheet 150 by the force of an electric field produced by a developing electrode. Each toner particle need only be irradiated with the light for a comparatively short period of time, so that an image can be formed at high speed.
摘要:
The present invention provides a high-speed image forming method and apparatus capable of directly controlling a toner by the force of an energy beam. Selected toner particles 101 in a mass of toner adhering to the surface of a transparent drum 221 are irradiated with a laser beam 81 emitted by a laser disposed within the transparent drum and controlled for scanning according to image information. The laser beam separates the selected toner particles from the transparent drum by the force it produces on the particles, and then the separated toner particles are moved to a paper sheet 150 by the force of an electric field produced by a developing electrode. Each toner particle need only be irradiated with the light for a comparatively short period of time, so that an image can be formed at high speed.
摘要:
A printing system capable of automatically controlling a plurality of printing devices (1) with a minimized number of operators, comprising common handling means (8, 10, 15) for transporting and supplying coloring agents to the plurality of printing devices (1), means (4, 7) for handling printed media therebetween, each printing device being provided with printing media loading means, and common expendables handling means (5) for transporting expendables to the plurality of printing devices having automatic expendables loading means. The printing system further comprises means (9) for cutting printed media and collecting them from the printing devices, and common handling means (7) for transporting the collected printed media to the post-process device, thereby, maintaining the operating environment of the printing devices clean and safe at a reduced cost and a least workload.