摘要:
An image forming apparatus includes: an image carrying member for carrying an image; a recording material carrying member for carrying a recording material; a transfer device for transferring the image from the image carrying member to the recording material carried by the recording material carrying member; and a cleaning device for cleaning the recording material carrying member, wherein, when images are formed successively on a plurality of recording materials, the cleaning capacity of this cleaning device is made larger as a distance between the rear end of a recording material and the forward end of the next recording material becomes larger.
摘要:
There is disclosed an image forming apparatus for forming an image on a recording material borne on an endless belt supported by a plurality of rollers, at least one of which creates an area of deformation where the roller is in contact with the belt when the belt is stationary. The recording material is supplied to the belt so as not to cross the center of the area of deformation of the belt in the moving direction thereof.
摘要:
The present invention provides an image forming apparatus which comprises an image bearing member, a recording material bearing member for holding and conveying a recording material to a transfer portion, a transfer charge member for transferring an image from the image bearing member to the recording material born by the recording material bearing member, and an urging means for urging the rear surface of the recording material bearing member in the vicinity of the transfer portion. The transfer charge member being contacted with a rear surface of the recording material bearing member opposite to a front surface on which the recording material is held at the transfer portion.
摘要:
The present invention provides an image forming apparatus having an image bearing member for bearing an image, and a transfer material bearing member for bearing a transfer material to which the image is transferred from the image bearing member, and wherein volume resistivity of the transfer material bearing member is 10.sup.14 .OMEGA.cm or more, and surface resistivity of upper and lower surfaces of the transfer material bearing member is 10.sup.7 to 10.sup.13 .OMEGA./.quadrature..
摘要:
An image forming apparatus includes an image bearing member, a recording material bearing member for bearing and conveying a recording material to a transfer position, and a transfer charge member for transferring an image from the image bearing member onto the recording material born on the recording material bearing member. The transfer charge member has a plate-shaped conductive substrate and is contacted with a surface of the recording material bearing member opposite to a surface for bearing the recording material at the transfer position.
摘要:
An ink jet printing apparatus includes an ink jet printing unit for executing ink jet printing on a printing medium by use of an ink jet printing head, a heat application treatment unit arranged below the ink jet printing unit for executing heat treatment to a printing medium after the execution of ink jet printing in the ink jet printing unit, and a heat insulating member arranged between the ink jet printing unit and the heat application treatment unit. Thus, this apparatus is made capable of preventing heat generated by the heat application treatment unit from producing any unfavorable effect that may invite the degradation of printing quality if such heat is transferred to the various members in the apparatus, such as the ink jet printing unit, the printing medium storage unit, or to the bending portion of a printing medium between the ink jet printing unit and printing medium storage unit.
摘要:
An image forming apparatus utilizing an ink jet recording head and including a plurality of processing devices for forming the image; a detector which detects a quantity of a state, i.e. temperature, humidity, idle time, suspened dust, etc., related to a control of the image processing devices; and an inferrence computer which uses fuzzy logic in analizing the detected quantity of state to control the processing devices.
摘要:
An ink jet recording apparatus with plural full-line type recording heads has a heat pipe associated with each recording head. The heat pipes are connected together at a common portion in various ways, such as by a heat-conductive block, one or more additional heat pipes or a container with a heat transferring liquid medium. Such an arrangement enables more efficient and compact temperature control of the recording heads.
摘要:
A recording head using thermal energy includes a plurality of heat generating elements for producing thermal energy; a waveform storing circuit for storing waveform data for a driving signal or signals applied to one or more predetermined number of heat generating elements; and a driving signal applying device for applying to each of the predetermined number of heat generating elements the driving signal or signals on the basis of the waveform data stored in said storing circuit, in accordance with a record image signal or signals.
摘要:
A coating liquid application apparatus is provided which can apply a coating liquid, such as a coating agent for improving a weatherability of a printed surface, to the printed surface of a print medium automatically and at high speed. For this purpose, this invention uses application mechanisms to apply the coating liquid to the print medium that was ink-printed with an image. Each application mechanism has a pair of rollers supplied with the coating liquid. Multiple stages of such application mechanisms are provided. The print medium is passed between the paired rollers successively from one application mechanism to another to apply the coating liquid to the print medium in a plurality of stages.