JP2000341461A - Copying device with screen saver function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the burn of a screen and to previously recognize caution contents by displaying a caution message, while appropriately switching it by enabling switching of the display method/display picture of a screen saver function, when abnormality is detected in a copying device. SOLUTION: An image stored in an ROM 2 is stored via an LCD control circuit 4 into a VRAM 5 by a CPU 1, read out this time and outputted to an LCD panel 6 later. When there is an input for function setting to an operating part, a function displayed on the LCD panel 6 by a touch panel 7 is selected by directly touching the panel 7. When there are further related functions in the selected function, however, a new operation picture is displayed, and the functions are set. The information of this function setting is communication via an input/output control circuit 11 and the CPU 1 to a system control circuit 237, by activating the start key of a key input circuit 8 and series of copy functions are made to operate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a copying apparatus having a screen saver function.

[0002]

2. Description of the Related Art Conventionally, in a device having a display unit, for example, there is an example of a copying device or the like in which a touch panel is attached to an LCD panel and used as an operation unit. If it does not change, a screen saver function is usually employed to prevent burn-in of the LCD panel and protect the LCD panel.

[0003]

However, in the above-described conventional example, when a state such as a jam, running out of toner, or no paper occurs in the copying apparatus and a warning message is displayed on the display unit of the operation unit, By operating the screen saver function, the warning message is hidden.

Therefore, when using the copying apparatus, the warning message is noticed only after the screen saver function is released, and there is a problem that the confirmation cannot be made in advance.

The present invention has been made in view of the above points, and enables switching between a display method / display screen of a screen saver function, prevention of screen burn-in, and switching and displaying a warning message as appropriate to display the contents of the warning. It is an object of the present invention to provide a copying apparatus having a screen saver function which can be checked in advance.

[0006]

The present invention can solve the above-mentioned problems by providing the following constitution.

(1) In a copying apparatus having an operation unit having a screen saver function and a display unit, when an abnormality is detected, the display method / display screen of the screen saver function can be switched. Copying equipment.

(2) The switching of the display method / display screen issues a warning in accordance with the content of the detected abnormality and enables display of the content of the warning.
A copying apparatus with a screen saver function as described in the above.

(3) The copying apparatus with a screen saver function according to (1), wherein the switching of the display method / display screen is performed by switching to a previously prepared image and displaying the image in accordance with the content of the warning.

(4) The copying apparatus with a screen saver function according to the above item (1), wherein the switching of the display method / display screen is such that the display of the screen saver screen can be canceled at desired predetermined time intervals.

(5) The copying apparatus with a screen saver function according to the above (1), wherein the operation section has an upright shape.

(6) The copying apparatus with a screen saver function according to the above (1), wherein the display unit includes a touch panel capable of selecting a copying function.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a copying apparatus with a screen saver function according to the present invention will be described below.

FIG. 1 is an explanatory side sectional view showing a configuration example of a copying apparatus with a screen saver function according to the present invention. FIG. 2 is a block diagram showing a circuit configuration example of an operation unit of the copying apparatus with a screen saver function according to the present invention. 3 is an explanatory diagram illustrating an example of an operation screen of a display selection unit of the operation unit, FIG. 4 is an explanatory diagram illustrating an example of a screen saver image, and FIG. 5 is an explanatory diagram illustrating an example of a screen saver image for warning.

The example of the apparatus shown in FIG. 1 is, for example, a color copier having an elevation shape operation unit.

Referring to FIG. 1, reference numeral 200 denotes an operation unit;
It comprises a display selection unit 200a and a key input unit 200b.

Various functions relating to the copy function are set by the display selection unit 200a, and the key input unit 200b is set by the key input unit 200b.
The start of the copying function is instructed, and the information is transmitted and communicated to a system control circuit that controls the entire copying apparatus, whereby the following operation is performed.

That is, a document 202 to be read is placed on a platen glass 201, and the document 202 is illuminated by illumination 203, and mirrors 204, 205, 20
An image is formed on the CCD 208 by the optical system 207 via 6. Further, by the motor 209, the first mirror unit 210 structurally including the mirror 204 and the illumination 203 is driven at a speed V, and the second mirror unit 211 structurally including the mirrors 205 and 206 is driven at a speed V / 2. ,
The entire surface of the document 202 is scanned.

Reference numeral 212 denotes an image processing unit which processes a read image as an electric signal and outputs it as a print signal.

Reference numerals 213, 214, 215, and 216 denote semiconductor lasers, which are driven by a print signal output from the image processing unit 212 and emit laser light emitted by the respective semiconductor lasers to polygon mirrors 217, 216.
18, 219 and 220, the photosensitive drums 225 and 22
6, 227 and 228 are formed. 221, 22
Reference numerals 2, 223, and 224 denote developing units for developing latent images with toners of K, Y, C, and M, respectively. The developed toners of each color are transferred to a sheet to produce a full-color print output. Is done. Paper cassettes 229, 230, 231
The paper fed from any one of the manual feed tray 232 and the transfer belt 234 passes through a registration roller 233.
Absorbed and transported. The toner of each color is developed in advance on the photosensitive drums 225, 226, 227, and 228 in synchronization with the sheet feeding timing, and the toner is transferred to the sheet as the sheet is transported.

The paper to which the toner of each color has been transferred is separated and conveyed from the transfer belt 234, the toner is fixed on the paper by the fixing device 235, and the paper is discharged onto the paper discharge tray 236, thereby completing a series of copying operation.

FIG. 2 is a block diagram showing an example of a circuit configuration of an operation unit of the copying apparatus with a screen saver function according to the present invention. An operation example will be described below.

In FIG. 2, reference numeral 1 denotes a CPU, which controls the entire operation unit and communicates with the system control circuit 237 for controlling the above-described entire copying apparatus.

A ROM 2 stores a program and a plurality of images to be displayed on the operation unit.
This is a work memory of the CPU 1.

Reference numeral 4 denotes an LCD control circuit, which is a VRAM
The read / write control of the (video RAM) 5 is performed, and the image display control on the LCD panel 6 constituting the display selection unit 200a is performed.

That is, if the image stored in the ROM 2 is a CP
After being stored in the VRAM 5 via the LCD control circuit 4 by U 1, it is read out and output to the LCD panel 6 this time. FIG. 3 shows an operation screen as a display example.

Reference numeral 7 denotes a touch panel pasted on the LCD panel 6 of the display selection unit 200a, and the function performed by the copying apparatus displayed on the LCD panel 6 is entered by directly touching the position with a finger or the like. The output control circuit 11 determines which function on the screen is selected by the CPU 1.
Communicate to

A key input unit 200b is used to determine whether a function has been set by the key input circuit 8 including a start key and a reset key, an LED output circuit 9 indicating the status of the copying apparatus, and the touch panel 7 reliably. It comprises a buzzer 10 for notifying by sound. The key input unit 200b is controlled by the input / output control circuit 11, and communicates with the system control circuit 237 via the CPU 1 as necessary.

Next, the operation flow of the main part of the operation unit will be described.

At the time of input such as setting a function on the operation unit, the function displayed on the LCD panel 6 on the touch panel 7 is selected by directly touching it as described above, but the function is further changed to the selected function. If there is a related function, a new operation screen is displayed and the function is set. By activating the start key of the key input circuit 8, the information of these function settings is communicated to the system control circuit 237 via the input / output control circuit 11 and the CPU 1 to operate the above-described series of copying functions.

When there is no input to the operation unit, the operation screen stuck on the LCD panel 6 is displayed for a long time, and the burn-in phenomenon of the LCD panel 6 occurs. In order to prevent this, the screen saver function is operated by the timer function of the CPU 1 after a preset time has elapsed, and an image for the screen saver, for example, as shown in FIG.

If any abnormality such as out of paper, running out of toner, jam, etc. occurs in the copying apparatus, an error message indicating the abnormal state is displayed on the operation screen, and after a predetermined time elapses. Operates a screen saver function, and displays an image for the screen saver, for example, as shown in FIG. However, it is needless to say that the screen saver images in FIGS. 4 and 5 constitute a moving image by, for example, repeating and switching and displaying a plurality of images to prevent a burn-in phenomenon.

[0033]

As described above, according to the present invention,
The display method / display screen of the screen saver function can be switched, and the screen burn-in prevention and the warning message are appropriately switched and displayed, so that the contents of the warning can be confirmed in advance.

[Brief description of the drawings]

FIG. 1 is an explanatory side sectional view showing a configuration example of a copying apparatus with a screen saver function according to the present invention.

FIG. 2 is a block diagram showing a circuit configuration example of an operation unit of the copying apparatus with a screen saver function according to the present invention;

FIG. 3 is an explanatory diagram illustrating an example of an operation screen of a display selection unit of the operation unit.

FIG. 4 is an explanatory diagram showing an example of a screen saver image.

FIG. 5 is an explanatory diagram illustrating an example of a warning screen saver image.

[Explanation of symbols]

 200 operation unit 200a display selection unit 200b key input unit 201 platen glass 202 document 203 illumination 204, 205, 206 mirror 207 optical system 208 CCD 209 motor 210 first mirror unit 211 second mirror unit 212 image processing unit 213, 214, 215, 216 Semiconductor laser 217, 218, 219, 220 Polygon mirror 225, 226, 227, 228 Photosensitive drum 229, 230, 231 Paper cassette 232 Manual feed tray 233 Registration roller 234 Transfer belt 235 Fixing unit 236 Paper discharge tray 237 System control circuit 1 CPU 2 ROM 3 RAM 4 LCD control circuit 5 VRAM 6 LCD panel 7 Touch panel 8 Key input circuit 9 LED output circuit 10 Buzzer 11 Input / output control circuit

Claims (6)

[Claims] 1. A copying apparatus having a screen saver function and a display section in an operation section, wherein when an abnormality is detected, a display method / display screen of the screen saver function can be switched. apparatus. 2. The switching of the display method / display screen is as follows.
2. The copying apparatus with a screen saver function according to claim 1, wherein a warning is issued according to the content of the detected abnormality, and the content of the warning can be displayed. 3. The switching of the display method / display screen,
2. The copying apparatus with a screen saver function according to claim 1, wherein the image is switched to a previously prepared image and displayed according to the content of the warning. 4. The switching of the display method / display screen,
2. The copying apparatus with a screen saver function according to claim 1, wherein the display of the screen saver screen can be canceled at desired predetermined time intervals. 5. The copying apparatus with a screen saver function according to claim 1, wherein the operation unit has an upright shape. 6. The copying apparatus with a screen saver function according to claim 1, wherein the display unit includes a touch panel capable of selecting a copying function.