JPH08234634A - Image forming device - Google Patents

Abstract

(57) [Summary] [Purpose] Make the operation easier. [Structure] A free scaling state and a plurality of predetermined fixed scaling values including a fixed scaling value are cyclically set by a scaling key of the operation unit 503 in a predetermined order to set the free scaling state. If the input magnification is changed,
Is displayed on the operating unit 5 in the default state.
03 LED is displayed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus such as an electrophotographic copying machine, which is capable of variable magnification and fixed magnification of an input image.

[0002]

2. Description of the Related Art Conventionally, an electrophotographic copying machine capable of scaling an output image with respect to an original has a free scaling (ZOOM) key and a fixed scaling (R / E) key, respectively, and inputs of these keys are performed. According to the above, the magnification is displayed and the scaling operation is performed.

Each time the standard variable magnification key is pressed, the magnification is sequentially changed to a predetermined magnification, and when the minimum reduction magnification is reached, the state can be changed to the maximum enlargement magnification by the next fixed variable magnification key input.

When the free scaling key is pressed, the scaling factor in the numerical display is displayed in%, and the scaling factor is set in 1% increments within a predetermined range by operating the (+) and (-) keys. can do. Then, after a lapse of a predetermined time, the display of the numerical value display section is switched to the display of the number of copies. Here, when the free scaling key is pressed again, the previously set magnification is displayed.

[0005]

However, since at least two keys, a free variable key and a fixed variable key, are required, the name display of each key is included in consideration of the individual key size and the like. There is a limit to reducing the size of the operation unit and the display unit, and there is a problem that the development period is extended and the cost is increased.

Further, since a plurality of keys are used to perform scaling such as enlargement / reduction, the operation becomes complicated and the operator may make an erroneous input operation.

SUMMARY OF THE INVENTION An object of the present invention is to provide an image forming apparatus which solves the above problems, makes the operation simpler, and can reduce the area of the operation section including the display section. .

[0008]

[Means for Solving the Problems]

1) The image forming apparatus according to the present invention,
Setting means for cyclically setting a plurality of predetermined fixed scale values including fixed scale values in a predetermined order, and the input scale factor is displayed when the variable scale state is set by the setting means. However, a display means for displaying the number of output images is provided in the default state.

2) In the image forming apparatus of 1) above,
It is characterized by further comprising first control means for returning the state to a default state when a predetermined time elapses between a predetermined key input and a next predetermined key input after the free zooming state. And

3) In the image forming apparatus of 2) above,
A timer that operates when the free zooming state is set by the setting means, and a fixed zooming state when the state is set by the setting means before the time set by the timer has elapsed And a second control unit that does not change the state in the free variable magnification state even if the state is set by the setting unit.

[0011]

[Action]

1) In the present invention, in the case where the free scaling state and a plurality of predetermined fixed scaling values including the fixed scaling value are cyclically set by the setting means in a predetermined order, and the free scaling state is set. Displays the input scaling ratio by the display means, and displays the number of output images in the default state by the display means.

2) In the above 1), when the predetermined time elapses between a predetermined key input and the next predetermined key input after the free zooming state, the state is changed to the first control means. To return to the default state.

3) In the above 2), if the setting means sets the state before the time set in the timer that operates when the variable magnification state is set by the setting means has passed, the second control is performed. Even if the setting is performed by the setting means after the timer time has passed, the second control means does not cause the state to remain in the free scaling state.

[0014]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 shows an embodiment of the present invention. In FIG. 1, reference numeral 503 denotes an operation unit, and an example of arrangement of keys and LEDs on the operation panel is shown in FIG. 505 is a memory,
A control program and data are stored. A CPU (central processing unit) 501 includes a memory 50.
Each unit is controlled according to the control program of No. 5. Reference numeral 506 is a 3-second timer, and 507 is a 2-second timer.

FIG. 2 shows the arrangement of keys and LEDs on the operation panel of the operation unit 503 shown in FIG. In FIG. 2, 1
Is a copy key for starting a copying operation by pressing the key after making various settings.

A clear / stop key 2 is used for clearing the settings before the copying operation is started, and is used for stopping the copying operation halfway after the copying operation is started.

Reference numeral 8 denotes a numerical value display unit, which normally displays the number of copies and, when free zooming is selected, displays the zooming ratio within a predetermined time.

Reference numeral 3 denotes a (+) key for increasing the numerical value displayed on the numerical display unit 8 by one. 4 is
The (-) key is used to decrease the numerical value displayed on the numerical display unit 8 by one.

Numeral 9 is a variable magnification LED. 10 is a fixed-size variable-sized LED group, 141% LED, 122% LED, 10%
It is composed of 0% LED, 81% LED, and 70% LED. 5 is a scaling key, 100% LED or 81% L
ED, 70% LED, free zoom LED, 141% LED
Or, if the 122% LED is lit, press it to turn each LED 100% LED-> 81% LED-> 70%
LED-> Variable magnification LED-> 141% LED-> 122% L
It is for lighting in the order of ED-> (100% LED). Reference numeral 6 is a key for selecting permission / non-permission of automatic density adjustment.

Reference numeral 7 denotes a manual density adjustment key for the operator to set the copy density when automatic density adjustment is not permitted. Reference numeral 11 denotes an LED, which is turned on when the operation is allowed by the key 6.

3 and 4 show the CPU 501 shown in FIG.
4 is a flowchart showing a control procedure by the.

When the power is turned on, the initial value "1" of the number of copies is displayed on the numerical display unit 8 and the variable magnification LED is displayed.
9 is turned off, only 100% (normal size) of the fixed-size variable-size LED group 10 is turned on, and in step S1, the input of the variable-size key 5 is awaited. Then, when the scaling key 5 is pressed, in step S2, the scaling mode when the scaling key 5 is pressed is read from the memory 505, and it is determined whether the read mode is the free scaling mode. judge.

If the result of determination is that it is not in the free variable magnification mode, then in step S3 it is determined whether or not it is in the standard variable magnification 70% mode. When negative judgment is made, that is, standard scaling 141%
If it is either a fixed variable magnification 122%, a fixed variable magnification 100%, or a fixed variable magnification 81%, in step S4, according to the circulation of the fixed variable magnification LEDs of the fixed variable magnification LED group. , The standard variable power LED is turned on. Then, the new standard scaling mode is stored in the memory 505.

On the other hand, as a result of the determination in step S3, if the mode is the fixed variable power 70% mode, in step S5, the mode is changed to the free variable power mode, the free variable LED 9 is turned on, and the fixed variable power LED group The 100% LED 10 is turned on, 100% is displayed on the numerical display unit 8, and the free variable magnification mode is stored in the memory 505. Then, in step S6, the 3-second timer 506 is operated, and the process returns to step S1. Further, in step S6, the 2-second timer 507 is operated. Then, before the time (2 seconds) set in the 2-second timer 507 elapses, the magnification can be set in 1% increments by using the (+) key 3 or the (-) key 4. At this time, the clear key 2 can also be used. (+) Key 3 or (-) key 4
Each time either the clear key 2 is operated, the 2-second timer 507 is cleared and the 2-second timer 507 starts operating. Setting time of 2 second timer 507 (2
When (second) has elapsed, the display of the magnification on the numerical display unit 8 is terminated and the number of copies is displayed. Setting time of 2 second timer 507 (2
After (seconds) has elapsed, the magnification cannot be changed using the (+) key 3, the (-) key 4, or the clear key 2. Then, it returns to step S1.

If the copy key 1 is pressed before the time (2 seconds) set in the 2-second timer 507 elapses, the number of copies is displayed on the numerical display portion 8 and the copy key 1 is pressed. Copying is started at the magnification of the variable magnification at the time. Then, it returns to step S1.

On the other hand, if it is determined in step S2 that the mode is the variable magnification mode, the process proceeds to step S7 and step S7.
At 7, it is determined whether or not the countdown of the first countdown timer for 3 seconds is completed. If the countdown is completed, the display of the numerical value display section 8 is changed to a variable magnification display in step S9. Then, in step S10, the countdown operation of the first downcount timer for 3 seconds and the countdown operation of the second countdown timer for 2 seconds are started again, and step S10
Return to 1. On the other hand, if the result of determination in step S7 is that the counter down has not ended, in step S8 the free change LED 9 is turned off in accordance with the circulation direction in FIG. The display is returned to the copy number display, the standard scaling 141% LED is turned on, the standard scaling state of 141% magnification is transitioned, and then step S
Return to 1.

[0028]

As described above, according to the present invention,
Since it is configured as described above, the operation can be further simplified, the area of the operation unit including the display unit can be reduced, and therefore the cost can be reduced and the development time can be shortened. it can.

[Brief description of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention.

FIG. 2 is a diagram showing an arrangement example of keys and LEDs of an operation unit 503 shown in FIG.

3 is a flowchart showing an example of a control procedure by a CPU 501 shown in FIG.

4 is a flowchart showing an example of a control procedure by a CPU 501 shown in FIG.

FIG. 5 is an explanatory diagram for explaining cyclic setting of a fixed scaling ratio and a free scaling state.

[Explanation of symbols]

 5 Variable key 9 Free variable LED 10 Standard variable LED 501 CPU 503 Operation unit 505 Memory 506 3 second timer 507 2 second timer

Claims (3)

[Claims] 1. A setting means for cyclically setting a free scaling state and a plurality of predetermined fixed scaling values including a fixed scaling value in a predetermined order, and the setting means sets the free scaling state. The image forming apparatus is provided with a display unit that displays the input scaling factor when the image is output, and displays the number of output images in the default state. 2. The state according to claim 1, wherein the state is returned to the default state when a predetermined time elapses between a predetermined key input and the next predetermined key input after the free zooming state. An image forming apparatus comprising a first control means. 3. The timer according to claim 2, which operates when the variable magnification state is set by the setting means, and the state is set by the setting means before the time set in the timer elapses. In this case, the image forming apparatus is provided with a second control means that does not cause the state to change to the free-variable-magnification state even if the setting means sets the state after the elapse of the fixed time. apparatus.