JPH05333657A - Image forming device - Google Patents

Abstract

PURPOSE:To select a variable power rate through the use of an original size as a clue by executing a variable power display based on a specific original size as a reference, on a display part, when the original size as the reference is specified. CONSTITUTION:In a variable power copying operation, first, an original variable power key 10 is turned on, and a transfer to the display routine of an original size reference is performed by the turning on operation. Next, when a reducing key 7a or a magnifying key 7b is turned on, an original size reference display is executed. In other words, for instance, when the reducing key 7a is turned on, (I) A3 B3 (II) A3 A4, (III) A4 B5, and (IV) B4 A4, as a display based on A-size as the reference, are all, simultaneously, displayed or successively, displayed by depressing the reducting key 7a once. On the other hand, in the magnification, the display is completely, similar. Such a constitution is adapted that the magnifying key 7b is turned on, to simultaneously, display all of (I)-(IV) items, or the display is alternated every time whenever the magnifying key 7b is turned on.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of an operating section of an image forming apparatus having a variable magnification copying function.

[0002]

2. Description of the Related Art Some image forming apparatuses such as copying machines are provided with a scaling function for enlarging or reducing an original image by operating a key provided on an operating portion.
Is displayed on the display unit. Figure 5 (a)
(b) and (c) are diagrams showing an example of key arrangement of a conventional operation unit and display contents of a magnification change display unit. On the operation unit 1, a start key 2 for executing a copy operation, a clear key 3, a numeric keypad 4 for inputting numerical values, a density-related key 5, a paper-related key 6, magnification-related keys 7a, 7b, 7c, a mode clear key 8, and a centralized display section 9 having a liquid crystal display 9a. When an original is scaled and copied using the operation unit 1, for example, to reduce the size, the reduction key 7b is turned on once.
Then, the character type liquid crystal display 9a (hereinafter, LCD
The reduction ratio as shown in (b) and (I) is displayed in
When it is turned on once more, the contents of (II) are displayed, and when turned on once more, the contents of (III) are displayed, so that the user can select an arbitrary magnification from the displayed contents. Similarly, when enlarging and copying, by turning on the enlarging key 7b, the contents shown in (c), (I), (II) and (III) are sequentially displayed.

By the way, in the case of performing such a magnification copying, the user side does not judge the magnification display expressed in%, but determines how much the magnification copying should be performed based on the document size. For example, although the user intends to perform variable-magnification copying with the idea of "reducing A3 size to A4 size", the user who uses the above-described conventional device turns on the reduction key 7a three times to display " 71% ”must be displayed. In other words, even though the user judges the variable size based only on the document size, the copy machine side can display the display contents centered on% only after a plurality of key operations, It was inconvenient.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an image forming apparatus provided with an operation section capable of selecting a scaling factor based on a document size.

[0005]

In order to achieve the above object, the present invention provides an image forming apparatus having a variable magnification copying function, in which a display section and an original variable key are provided in an operation portion of the image forming apparatus, and the original changing key is provided. An image forming apparatus having a variable-magnification copying function, comprising a control unit for controlling the display unit to perform variable-magnification display based on a document size when the double key is turned on.
A display unit and a document size type selection key are provided in the operation unit of the image forming apparatus, and when the document size type selection key is turned on and a document size serving as a specific reference is designated, the specific document size is displayed. In an image forming apparatus provided with a control section for performing a variable magnification display as a reference on the display section and having a variable magnification copying function, the operation section of the image forming apparatus has a display section, a document type key, and a numeric keypad. And a control unit for performing only the specified scaling display on the display unit when the size of the scaling source and the size after scaling are designated by operating the document type key and the ten-key pad. It is characterized by

FIGS. 1 (a), 1 (b) and 1 (c) are diagrams showing an example of key arrangement of the operating section of the present invention and showing the display contents. In order to execute a copy operation on the operating section 1. Start key 2, clear key 3, numeric input numeric keypad 4, density-related key 5, paper-related key 6, magnification-related keys 7a, 7b, 7
c, a mode clear key 8, a centralized display section 9 having a liquid crystal display 9a, and a document scaling key 10. FIG. 2 is a flow chart showing an operation procedure of the image forming apparatus having the above-mentioned operation section. In the variable-magnification copy operation, first, the original variable magnification key 10 is turned ON, and by this ON operation, the original size reference display routine is started. (Steps 30, 4
0). Next, the reduction key or the enlargement key 7a, 7b is turned on.
Then, the document size reference display is performed (step 4).
1, 43, 45). For example, in step 40, the reduction key 7a
When is turned on, the display is based on A size.
(I) A3 → B4, (II) A3 → A4, (III) A4 → B5,
(IV) B4 → A4 are all displayed simultaneously or sequentially each time the reduction key 7a is pressed. When all the contents of (I) to (IV) are displayed at the same time, the desired magnification change of the items (I) to (IV) is selected by turning on the ten-key or the like. In the contents of each item (I) to (IV), in addition to the display based on the document size, the reduction rate expressed in% is also described. The same applies to the case of enlargement, by turning on the enlargement key 7b in step 41, all items (I) to (IV) are displayed at the same time, or displayed each time the enlargement key 7b is turned on once. To be changed. When all items are displayed at the same time, the display unit does not necessarily have to be a liquid crystal display, and as is well known, the display content is previously formed with a light-transmissive display unit and the LED is displayed from the rear surface of the panel.
You may make it illuminate and display.

Various display controls associated with key inputs such as those described above and changes in magnification are performed by a control unit such as a microcomputer (not shown). Specifically, a drive circuit for the display unit and a drive unit for an optical system are used. By controlling, the required display and magnification setting are performed. As described above, according to the present embodiment, the scaling display is performed in accordance with the request of the user who performs the scaling operation while thinking on the basis of the document size, so that the scaling operation is extremely easy for the user. Further, since the conventional% display can be used together, it is possible to select a method according to the user's preference.

Next, FIGS. 3 (a) and 3 (b) are flow charts showing the construction of the operating portion and the operating procedure of the second embodiment of the present invention. The A size and B size selection keys (original type selection key) ) 15 and a size selection key 16 are provided, which is a difference from the above embodiment. When selecting a scaling ratio using this operation unit, first turn on the original scaling key 10.
After that, the document type is selected by turning on the A size or B size key which constitutes the document type selection key 15. For example, in step 51, turn on the A size key
After that, when "3" of the size selection keys is turned on, the display unit 9a performs reduced or enlarged display based on the "A3" size. The user may select a desired reduction or enlargement from this display. As the display content, a plurality of items as shown in FIGS. 1 (b) and (c) may be simultaneously displayed and a desired item may be selected with a numeric keypad or the like, or items may be sequentially displayed by key operation. You may do it.

According to this embodiment, a specific type of the original size (A3) as a scaling factor is designated by direct key operation, and then reduction or enlargement is designated, so that A3 is used as a reference. Since a plurality of examples of reduction or enlargement are displayed, it is possible for a user who has little knowledge of the recording paper size to easily perform variable magnification copying.

FIGS. 4 (a) and 4 (b) show a third embodiment of the present invention, in which (a) is a manuscript size key 17 and (b) is an operation procedure of an operation section having the manuscript size key 17. 3A is different from the embodiment shown in FIG. 3 in that a document size key 17 is arranged in place of the document type selection key 15 and the size selection key 16 of the operation section of FIG. 3A. There is. In this embodiment, the manuscript scaling key 10 is turned on, one of the manuscript size keys is turned on to select A or B, and a numeral (processing size) is input by the ten keys to change the size. After specifying the original size of double, turn on the reduction or enlargement key 7a, 7b,
Then specify the size after scaling (steps 60 to 6).
3). Specifically, for example, when reducing from A3 size to A4 size, as shown in (b), the A size key 17a of the size keys 17 is turned on to specify "A", and then the ten keys are used to By inputting "3", "A3" is determined as the size of the scaling factor. Immediately after the size key is turned on in step 60, “A
Please enter the size and size using the numeric keypad. ” In step 61, either reduction or enlargement is selected, and reduction to A4 size is performed. In this example, step 6
After turning on the reduction key 7a in step 2, step 63
In the case of the original size key 17
Input with a and ten keys. Immediately after the processing size is specified with the ten keys in step 61, the display "9 A3 Reduce / Enlarge" is displayed on the display unit 9a, and after the key operation in step 63, "A3" is displayed.
→ A4 71% ”is displayed. As described above, in the present embodiment, the original size of the scaling source and the size after scaling can be designated by direct key input, so that the scaling operation can be facilitated.

[0011]

As described above, according to the present invention, a user who has little knowledge of the operation of the copying machine, especially the scaling ratio and the recording paper size, can easily select the scaling ratio based on the document size. It will be possible.

[Brief description of drawings]

1A, 1B, and 1C are configuration explanatory diagrams of an operation unit and examples of display contents of a display unit according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing an operation procedure of an operation unit of the embodiment of FIG.

3 (a) and 3 (b) are a configuration explanatory view of an operation section of a second embodiment of the present invention and a flow chart showing an operation procedure.

4 (a) and 4 (b) are explanatory views of a main part configuration of an operation section of a third embodiment of the present invention and a flow chart showing an operation procedure.

5 (a), (b) and (c) are explanatory views of a conventional example.

[Explanation of symbols]

1 operation part, 2 start key, 3 clear key, 4
Numerical keypad for numerical value input, 5 density related key, 6 paper related key, 7, 7a, 7b magnification related key, 8 mode clear key, 9 centralized display, 9a liquid crystal display, 10 original scaling key, 15 original type selection key , 16 size selection keys,

Claims (3)

[Claims] 1. An image forming apparatus having a scaling function, wherein a display section and a document scaling key are provided in an operation section of the image forming apparatus, and the display section is operated when the document scaling key is turned on. An image forming apparatus, comprising: a control unit that controls to perform variable-magnification display based on a document size. 2. An image forming apparatus having a variable-magnification copying function, wherein a display section and a document size type selection key are provided in an operation section of the image forming apparatus, and the document size type selection key is turned on.
Then, when the document size that becomes the specific reference is specified,
An image forming apparatus comprising: a control unit for displaying a variable-magnification display based on the specific document size on the display unit. 3. An image forming apparatus having a variable copy function, which comprises a display section, a document type key, and a ten-key pad on an operation section of the image forming apparatus, the original size of the original image and the size after the original image is changed. An image forming apparatus is provided with a control unit for displaying only the designated variable-magnification display on the display unit when the document type key and the ten key are operated.