JPH0640603A - Facsimile device - Google Patents

Abstract

PURPOSE:To reduce the frequency of jam occurrence at a facsimile device equipped with a multi-step paper feeding mechanism by operating a jam rate at every step, selecting preferentially a paper feeding cassette which has the lowest jam rate, in the case of recording paper sheets of the same size being set at plural paper feeding cassettes. CONSTITUTION:In the case of a facsimile device equipped with a multi-step paper feeding portion 105 that conducts paper feeding by selecting adequate recording paper from plural paper feeding cassettes, a jam rate measuring portion 108 for each paper feeding step that measures the jam rates of respective paper feeding cassettes individually, is equipped. When an AC signal is received from a transmitting source, the width of a received document is first decided from a transmission protocol by means of a CPU 109, and the size of recording paper on which printing is conducted, is discriminated. Next, whether or not the recording paper of the said size is set at the plural steps of the multi-step paper feeding portion 105 is decided, and in a case in which setting is carried out at plural steps, the reference of jam rates is conducted at respective paper feeding steps individually, and a paper feeding step which has the lowest jam rate is selected. After the completion of printing on the recording paper of the selected paper feeding step, jam rates are measured at respective paper feeding steps individually and memorized.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile machine, and more particularly to a facsimile machine having a multi-stage paper feeding mechanism.

[0002]

2. Description of the Related Art Conventionally, in a facsimile apparatus having a multi-stage paper feed mechanism having a plurality of paper feed cassettes, recording sheets of the same size may be set in a plurality of paper feed cassettes. In this case, the control unit inside the apparatus automatically feeds the recording paper from one paper feed cassette (for example, the upper paper feed cassette). In addition, when setting the recording paper in the paper feed cassette, the operator sets the recording paper of any size in the paper feed cassette of any stage.

[0003]

However, in the conventional facsimile apparatus, when recording sheets of the same size are set in a plurality of sheet feeding cassettes, the recording sheets are fed from the upper sheet feeding cassette. As described above, since the paper feed cassette is selected by simple control, in other words, since the paper feed cassette is selected without considering the jam occurrence rate, there is a possibility that the jam occurrence frequency becomes high. There was a problem.

When a jam occurs in the facsimile machine, the receiving operation is interrupted until the recording paper is removed. However, since the operator is usually not present at the time of reception, the interruption becomes longer and the receiving operation becomes longer. It becomes less efficient.

Further, in the conventional facsimile apparatus, since the operator sets the recording paper of an arbitrary size in the paper feeding cassette of an arbitrary stage, in other words, the recording paper is taken into consideration without considering the jam occurrence rate. Is set,
There is a problem that the frequency of jams may increase.

The present invention has been made in view of the above, and it is an object of the present invention to reduce the frequency of occurrence of jam and efficiently perform reception.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a facsimile apparatus having a multi-stage paper feeding mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feeding cassettes. A jam ratio calculator that measures the occurrence of a jam of recording paper fed from a paper cassette and calculates the jam ratio for each paper feed stage, and recording paper of the same size is set in a plurality of paper feed cassettes. Provided is a facsimile apparatus including a control unit that preferentially selects a paper feed cassette of a paper feed stage having a low jam ratio based on the jam ratio obtained by the jam ratio calculation unit when there are a plurality of paper feed cassettes. Is.

Further, in order to achieve the above object, the present invention provides a facsimile apparatus having a multi-stage paper feed mechanism for selecting an appropriate recording paper from a plurality of paper feed cassettes and feeding it. Facsimile apparatus equipped with a jam ratio calculating means for measuring the occurrence of a jam of printed recording paper and calculating a jam ratio for each paper feed stage, and a notifying means for notifying an operator of the jam ratio obtained by the jam ratio calculating means Is provided.

Further, in order to achieve the above object, the present invention provides a facsimile apparatus having a multi-stage paper feed mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feed cassettes. By the jam ratio calculating means for measuring the occurrence of jam of the printed recording paper and calculating the jam ratio for each sheet feeding stage, the number measuring means for measuring the number of used recording paper for each recording paper size, and the jam ratio calculating means. Based on the obtained jam ratio and the number of used sheets obtained by the sheet number measuring means,
(EN) A facsimile device provided with a notifying means for notifying an operator that a frequently used size recording paper is set in a paper feed tray with a low jam ratio.

[0010]

In the facsimile apparatus of the present invention, when recording sheets of the same size are set in a plurality of paper feed cassettes, the paper feed cassette having a low jam occurrence rate is selected. In addition, the operator is notified of the jam occurrence rate for each paper feed stage.
In addition, the operator is notified of the size of the recording paper that should be set in each paper feed tray in order to reduce the jam occurrence rate.

[0011]

Embodiments of the facsimile apparatus of the present invention will be described below.
[Embodiment 1] and [Embodiment 2] will be described in detail with reference to the drawings.

[Embodiment 1] FIG. 1 is a block diagram showing the configuration of a facsimile apparatus according to Embodiment 1, which transmits a facsimile number, various settings, and a display operation unit 101 for displaying a message and the like. A scanner 102 for reading a document, an encoding / decoding unit 103 for compressing an image signal and expanding the compressed image signal, an electrical interface control with a communication destination, modulation of an image signal to be transmitted, and a received image signal Network control unit 1 for performing demodulation processing of the communication and selecting a communication destination from the communication network based on the facsimile number
04, a multi-stage paper feed unit 105 having a multi-stage paper feed mechanism having a plurality of paper feed cassettes, and a plotter 10 for performing image printing.
6, an image memory 107 for temporarily storing the received image information, and a jam for each paper feed stage for measuring a jam ratio (degree of occurrence of jam) for each paper feed cassette of the multi-stage paper feed unit 105 The rate measuring unit 108, a CPU 109 that controls each of the above units, a ROM 110 that stores a program that causes the CPU 109 to perform a control operation, and a RAM 111 that stores setting values of various settings.

FIG. 2 shows a facsimile apparatus 20 of the first embodiment.
1 is an external view of a plurality of paper feed cassettes 2 as shown in FIG.
02 can be set.

The operation of the above arrangement will be described.
The control of the entire apparatus is performed by the CPU 109 based on the control operation program stored in the ROM 110. Here, each operation of the facsimile apparatus 201 of the first embodiment will be described. First, the transmission operation will be described. The document is set in a predetermined place, and the display operation unit 101
Thus, when the facsimile number of the transmission destination and the communication start instruction are input, the transmission operation is started. That is, the scanner 102 reads a document, converts the read image information of the document into an image signal, and outputs the converted image signal to the encoding / decoding unit 103. The encoding / decoding unit 103 encodes the image signal read by the scanner 102, that is, performs compression for transmission in a short time, and outputs the encoded image signal to the network control unit 104. The network control unit 104 modulates (converts from direct current to alternating current) various signals for electrical interface with the communication line and the image signal encoded by the encoding / decoding unit 103, and transmits them to the destination. After connecting to the communication line, the modulated AC signal is sent to the destination.

Next, the receiving operation will be described. Upon receiving the AC signal from the transmission source, the network control unit 104 demodulates the received AC signal (converts from AC to DC), and various signals for electrical interface with the communication line of the demodulated DC signal. In response to this, the demodulated image signal is output to the encoding / decoding unit 103. The encoding / decoding unit 103 decodes the image signal output from the network control unit 104, that is,
The compressed image signal is expanded and the decoded image signal is output to the plotter 106. The plotter 106 prints the image signal decoded by the encoding / decoding unit 103 on recording paper of an appropriate size in the multi-stage paper feeding unit 105. If the paper runs out during reception, the received image information is temporarily stored in the image memory 107. Further, various settings and setting contents of various functions are stored in the RAM 111 and are read out whenever necessary.

The facsimile apparatus 201 of the first embodiment is provided with a jam rate measuring unit 108 for each paper feed stage, and when receiving, the CPU 109 refers to the jam ratio of each paper feed stage to refer to the multi-stage paper feed unit. Select the paper feed tray 105. The recording paper selection operation will be described in detail with reference to the flowchart of FIG.
Upon receiving the AC signal from the transmission source, the CPU 109
The width of the received document is determined from the communication protocol, the length of the received document is determined from the length of one page, and the size of the recording paper to be printed is determined (S301). Next, the CPU 109
Determines whether recording sheets of that size are set in a plurality of stages of the multi-stage paper feeding unit 105 (S302). When set in a plurality of trays, the CPU 109 refers to the jam ratio for each paper feed tray (S303) and selects the paper feed tray having the lowest jam ratio (S304). When the paper feed stage is selected, the CPU 109 uses the plotter 106 to perform printing (recording operation) on the recording paper of the selected paper feed stage (S3).
05). After the recording operation, the jam ratio is measured for each paper feed stage (S306), and the process is ended.

On the other hand, when the recording paper of the determined size is not set in a plurality of stages of the multi-stage paper feeding unit 105 in S302, in other words, when it is set in only one stage, the jam ratio is set. Is referred to, the paper feed tray in which the recording paper of the proper size is set is selected (S307). When the paper feed stage is selected, the CPU 109 uses the plotter 106 to print (recording operation) on the recording paper of the selected paper feed stage.
Is performed (S305). After the recording operation, the jam ratio is measured for each paper feed stage (S306), and the process is ended.

As described above, in the first embodiment, when the recording paper of the size suitable for the received image information is set in the plurality of paper feed trays, the paper feed tray having the lowest jam rate is selected. Therefore, the occurrence of jam can be reduced and the reception can be performed efficiently.

Further, the facsimile apparatus 201 of the first embodiment
When a request is made via the display operation unit 101, the list of jam rates for each paper feed stage (see FIG. 4) accumulated in the paper feed stage jam ratio measurement unit 108 until the time of request is recorded on the recording paper. It is configured so that it can be printed and output. As shown in FIG. 4, the jam ratio list indicates, for each paper feed stage, the degree of occurrence of jam with respect to the number of times the paper feed stage is used. Therefore, by referring to the output jam ratio list and setting frequently used recording paper in the paper feed tray with a low jam ratio, it is possible to reduce the occurrence of jams and to perform reception efficiently. Be seen. In the first embodiment, the jam ratio list is printed on the recording paper and output. However, the present invention is not limited to this and may be displayed on the display operation unit 101. Further, the jam rate information accumulated in the jam rate measuring unit 108 for each paper feed stage is
It is good to have a configuration that can be easily reset, and to reset after maintenance is performed.

[Second Embodiment] FIG. 5 is a block diagram showing the arrangement of a facsimile apparatus according to the second embodiment. 5 is shown in FIG.
In addition, a size-dependent received sheet count measuring unit 501 is added, and the size-dependent received sheet count measuring unit 501 measures the number of recording sheets to be printed at the time of reception for each recording sheet size. In addition, since common reference numerals indicate the same configuration,
The description is omitted.

The operation of the above configuration will be described.
The facsimile apparatus 201 according to the second exemplary embodiment has a function of measuring the number of received sheets for each recording sheet size, which is added to the facsimile apparatus 201 according to the first exemplary embodiment. The list is printed and output. The above operation will be described with reference to the flowchart of FIG. First, as in the first embodiment, the recording paper size is determined in S301. Next, the received number counting unit 5 for each size
At 01, the number of received sheets is measured for each recording paper size (S6
01). The other operations (S302 to S306) are the same as in the first embodiment.

When a request is made via the display / operation unit 101, the number of received sheets for each recording sheet size and the jam rate for each sheet feed tray, which have been accumulated in the received sheet number for each size measuring unit 501 until the request time, are displayed in the jam rate measuring unit 108. By referring to the accumulated jam ratio for each paper feed stage, a list (see FIG. 7) of sizes of recording paper to be set in each paper feed stage is printed and output. That is, as shown in FIG. 7, a list indicating that recording paper of a large number of received sheets is set in a paper feed tray having a low jam ratio is output. Therefore, in the facsimile apparatus 201 of the second embodiment,
Because you can set the recording paper of the appropriate size in each paper feed tray,
The occurrence of jams can be reduced and reception can be performed efficiently. In the second embodiment, the list is printed on the recording paper and output, but the invention is not particularly limited to this.
You may make it display on the display operation part 101. Further, the information on the number of received sheets accumulated in the size-dependent received sheet number measuring unit 501 and the jam rate information accumulated in the sheet feeding stage-specific jam rate measuring unit 108 is configured to be easily reset, and is reset after maintenance or the like. Good to do.

[0023]

As is apparent from the above, according to the facsimile apparatus of the present invention, in a facsimile apparatus having a multi-stage paper feeding mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feeding cassettes, A jam ratio calculating means for measuring the occurrence of jam of the recording paper fed from the cassette and calculating the jam ratio for each paper feed stage, and a feeding paper in which the recording paper of the same size is set in a plurality of paper feeding cassettes. When there are a plurality of paper cassettes, a jamming frequency is reduced because the jamming ratio calculating means is provided with a control means for preferentially selecting a paper feeding cassette of a paper feeding stage having a low jamming ratio. The reception can be performed efficiently.

Further, according to the facsimile apparatus of the present invention, in a facsimile apparatus having a multi-stage paper feeding mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feeding cassettes, paper is fed from the paper feeding cassette. Since a jam ratio calculating means for measuring the occurrence of jam of recording paper and calculating the jam ratio for each paper feed stage and a notifying means for notifying the operator of the jam ratio obtained by the jam ratio calculating means are provided, the frequency of jam occurrence Can be reduced and reception can be performed efficiently.

Further, according to the facsimile apparatus of the present invention, in a facsimile apparatus having a multi-stage paper feeding mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feeding cassettes, paper is fed from the paper feeding cassette. A jam ratio calculating unit that measures the occurrence of a jam of recording paper and calculates the jam ratio for each paper feed stage, a number measuring unit that measures the number of recording paper used for each recording paper size, and a jam calculated by the jam ratio calculating unit. Based on the rate and the number of sheets used by the number counting method,
Since a recording means for notifying the operator that a frequently used size of recording paper is set in a paper feed tray with a low jam ratio is provided, the frequency of jam occurrence can be reduced and reception can be performed efficiently.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating a configuration of a facsimile apparatus according to a first exemplary embodiment.

FIG. 2 is an external view of the facsimile apparatus according to the first embodiment.

FIG. 3 is a flowchart showing a receiving operation of the facsimile apparatus according to the first embodiment.

FIG. 4 is a list of jam rates for each paper feed stage.

FIG. 5 is a block diagram showing a configuration of a facsimile apparatus according to a second embodiment.

FIG. 6 is a flowchart showing a receiving operation of the facsimile apparatus according to the second embodiment.

FIG. 7 is a list of sizes of recording paper to be set in each paper feed stage.

[Explanation of symbols]

 105 Multi-Sheet Feeding Unit 108 Jam Ratio Measuring Unit by Paper Feeding Stage 109 CPU 501 Received Number of Sheets Measuring Unit by Size

Claims (3)

[Claims] 1. In a facsimile apparatus having a multi-stage paper feeding mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feeding cassettes, the occurrence of a jam of the recording paper fed from the paper feeding cassette is measured. If there are a plurality of paper feed cassettes in which recording papers of the same size are set among the plurality of paper feed cassettes, the jam ratio calculation means calculates the jam ratio for each paper feed stage. A facsimile apparatus comprising: a control unit that preferentially selects a paper feed cassette of a paper feed stage having a low jam ratio based on the obtained jam ratio. 2. In a facsimile apparatus having a multi-stage paper feeding mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feeding cassettes, the occurrence of a jam of the recording paper fed from the paper feeding cassette is measured. Then, the facsimile apparatus is provided with a jam ratio calculating means for calculating a jam ratio for each paper feed stage, and a notifying means for notifying an operator of the jam ratio calculated by the jam ratio calculating means. 3. In a facsimile apparatus having a multi-stage paper feeding mechanism for selecting and feeding an appropriate recording paper from a plurality of paper feeding cassettes, the occurrence of a jam of the recording paper fed from the paper feeding cassette is measured. Then, by the jam ratio calculating means for calculating the jam ratio for each sheet feeding stage, the number measuring means for measuring the number of used recording papers for each recording paper size, and the jam ratio and the number measuring means for the jam calculated by the jam ratio calculating means. A facsimile apparatus, comprising: a notification unit for notifying an operator that a frequently used size recording paper is set in a paper feed tray with a low jam rate based on the obtained number of used sheets.