JPS62109470A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To obtain accurately the remaining amount of the recording paper by calculating the length of the recording paper used from the number of pulses which derive a pulse motor that carries the recording paper and then obtaining the remaining amount of the recording paper from the length of the recording paper used presently. CONSTITUTION:The feed amount of the recording paper 5 is controlled by the driving amount of a pulse motor 10 which revolves a platen roller 6 and the motor 10 is controlled by the control signal sent from a control circuit 1. The data writing/reading actions are controlled by the part 1 for a data memory 11 storing the original data read part 3 or the data undergone the signal processing. Furthermore the memory 11 stores the length data of the paper 5 supplied from the keyboard.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of use in the field of business The present invention relates to a facsimile device that displays the remaining amount of recording paper.

101 Prior Art In general, facsimile machines use roll-shaped recording paper, and after recording, a cutter cuts the paper to the same length as the original to be sent and ejects it. In order to prevent communication from being interrupted due to lack of recording paper, the remaining amount of recording paper is displayed so that the operator can easily know when to replace the recording paper. As a conventional method of displaying the remaining amount, as shown in Japanese Utility Model Publication No. 57-9333, a detection mechanism for detecting the roll diameter of the recording paper is provided, and a method is generally used to indicate the cruelty by the position of the pointer. However, this method often does not show the true cruelty even though it is a guide to the remaining amount, and requires adjustment of the detection mechanism.
If you try to notify with ED or buzzer, the detection mechanism and
This required connection with the air circuit, which led to problems such as increased costs.

(c) Problems to be Solved by the Invention The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a facsimile device that can display the remaining amount without the need for a detection mechanism or the like. This is the purpose.

14 Means for Solving Problems The present invention provides means for inputting the length of recording paper to be used, means for counting how many steps the pulse motor has advanced the recording paper,
It is composed of a calculation means for calculating the remaining amount, and a means for notifying the operator that the remaining amount has reached a predetermined value.

Since the present invention is constructed as described above, each time recording paper is used for reception recording or copying, the amount of recording paper used is determined from the drive amount of the pulse motor, and the amount of recording paper used is also inputted in advance. The remaining amount can be calculated from the recording paper length, and the operator is notified when the remaining amount reaches a predetermined value.

(to) Embodiments Hereinafter, embodiments of the present invention will be explained with reference to the drawings.0 Figure 1 is a block diagram showing the configuration of a facsimile machine, (11 is a control circuit that controls the entire facsimile machine, and is composed of a microprocessor. and the processing program is recorded.
The control circuit (11) has a counter function, which controls each part according to the program in the program memory (2), and performs various arithmetic processing as well as signal processing for encoding the transmitted original data and receiving data. It also performs signal decoding processing (37 optically reads the original to be sent), converts the black and white data into electrical signals and supplies them to the control circuit (11). The main unit consists of a document transport mechanism, a lens mechanism, an illumination mechanism, an image sensor, etc.

(4) is a recording section that drives a recording head such as a thermal head under the control of the control circuit (1) based on the received signal to perform printing, and as shown in Figure 2, a roll of recording paper (5) is used. Platen roller (6) tesser? The paper is fed out while being pressed against the recording paper head (7), and after being printed by the thermal head (7), it is cut with the cutter (8). The feed-out of the recording paper (5) is controlled by the drive amount of a pulse motor α which rotationally drives the platen roller (6), and the pulse motor (lα is controlled by a control signal from a control circuit [11]). The rotation is controlled. (111 is a data memory in which the original data read by the reading section (3) or signal-processed data is stored, and data writing and reading are performed by the control circuit (1) V'c. This data memory (ill) is configured to also store the hardness data of the recording paper (5) that is input using the keyboard as described later. (1z is the transmitter and receiver A control circuit (1) that receives key signals from a keyboard consisting of keys, a mode key, a telephone call key, a numeric keypad, etc. performs control according to a program in a program memory (2) according to the key signals. (131 is a keypad) This is a display that displays the data input from the mackerel or the remaining amount of recording paper. (
14) is a line switching circuit that switches and connects the telephone line (υ) to the telephone 051 and the control circuit (11) of the facsimile machine. It is composed of a relay circuit and is switched and controlled by the control circuit [11. This is a buzzer that notifies you that the amount of recording paper remaining is low.The program memory (2) is preset with data indicating the feeding distance of the recording paper (5), that is, the sub-scanning line density, depending on the communication mode. has been done.

Next, the operation of the present invention having such a configuration will be explained based on the flowchart shown in FIG. and stores it in the data memory 01).Generally, the recording paper roll is 100 m long, and the keyboard 112
Enter rloooJ from + and set. If the same recording paper (5) is used, the length data of the recording paper (5) only needs to be input once, and is not necessary when replacing the recording paper (5). Next, enter the length data of the remaining amount that will generate an alarm.

The keyboard (
lz, input υ "1" and store it in another area of the data memory (ill. This data has been saved in program memo 1 in advance.
Even if it is set to 21st of the month, it will not work. Therefore, the operation of responding to an incoming call and recording the reception will be explained. When entering the receiving state, the control circuit (1) decodes the received signal, and then converts it into printing data in step (Sl), supplies it to the thermal head (7) of the recording section (4), and prints it on the recording paper ( 5), but
When the thermal head (7) prints one line, the control circuit (11 is the recording m (51't) and the sending pulse motor (
A driving pulse is supplied to 101 to feed the paper by one line. At this time, the control circuit (1) counts the number of drive pulses applied to the pulse motor α■ using an internal counter in step (82). When printing is completed in this way, the printed recording paper (5) is moved to the cutter (8).
) is cut and discharged. If we are communicating in standard mode now, the control circuit (II is the program memory (2)
The feeding amount data "5.85" of the recording paper (5) corresponding to the standard mode is subsequently retrieved, and in step (85), calculation is performed from the counter value to determine the usage amount of the recording paper (5).

Next, the control circuit (1) proceeds to step (S6) and reads out the reverberation data stored in the data memory αD.

The recording paper (5
) is read out, and a calculation is performed to determine the remaining amount in step (S7). The calculation results are stored in the data memory (
At the same time, in step (S8), the calculated remaining amount is compared with the 1W1 data stored in the data memory (111).

There is still more than 1 WI left, so step (310)
The remaining amount is displayed on display 0 and the system returns to standby mode. The above-mentioned operation is similarly performed in the copy mode in which the recording paper (5) is trusted, and the remaining amount is calculated.

Thereafter, the above-mentioned operation is repeated in the same manner, and step (S8
), when it is detected that the remaining amount is 1W1 or less, the control circuit ill proceeds to step (S9) and checks the paper paper check LE.
D is turned on and the buzzer 161 is driven to notify the operator that it is time to replace the recording paper (5).

The above embodiment is for communication in standard mode, and the recording paper (
5), the transmission was 585 lines per parrot, but when communicating in fine mode, the program memo January 2 shows the data corresponding to the mode, and in fine mode, the data is "17". By calculating , the amount of recording paper (5) used can be calculated in the same way.

In addition, in the embodiment, the remaining amount of the recording paper (5) is displayed in length, but the length of A4 size is 297M, so further calculations are performed from the remaining amount and the length of A4 size, and the remaining amount is displayed in A4 size. The number of sheets may be displayed, such as how many sheets are converted.

(G1) Effects of the Invention As described above, the facsimile device of the present invention calculates and determines the length of the used recording paper from the number of pulses driving the pulse motor that transports the recording paper, and further calculates the length of the used recording paper. It is configured to calculate the remaining amount from the length, so the remaining amount can be determined accurately, and since it does not require any detection mechanism like the conventional one, there is no need for adjustment work, which has the effect of reducing costs. Yes.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of the facsimile apparatus of the present invention, FIG. 2 is a front view showing the configuration of the recording section of FIG. 1, and FIG. 3 is a flowchart showing the operating state of FIG. 1. (11-...control circuit, (3)...reading section, (
4) ...recording department, (5) ...recording fi! , (71・
...Thermal head, (1■...Pulse motor, (1
z...Keyboard, (IJ...Display device.

Claims (2)

[Claims] (1) In a facsimile machine configured to feed recording paper in steps by driving a pulse motor,
means for setting length data of the recording paper to be used; means for setting data for the feeding amount of the recording paper according to the communication mode;
means for counting the number of pulses supplied to the pulse motor from the start to the end of recording; means for calculating and determining the remaining amount of recording paper based on the counted value of the counting means and the data of both the setting means; A facsimile device comprising means for indicating the remaining amount of the facsimile. (2) The facsimile apparatus according to claim 1, wherein the instruction means includes means for notifying when the remaining amount becomes less than a predetermined amount.