JPH10173844A - Image input device and image processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To output the image data corresponding to a PC and a printer via the image reading of a single time by storing the image data of high resolution in a memory and performing the conversion of image resolution in response to the display resolution. SOLUTION: The image data DGO which are read at a reading part 36 are compressed at a compression/expansion processing part 314 and stored in a RAM 32. When the data DGO are shown on the screen of a display device, the data DGO are read out of the RAM 32 and expanded at the part 314. At the same time, the data DGO undergo the conversion of resolution at a resolution conversion processing part 313. Then the image data DG1 of low resolution are transferred to a PC 8. Thus, it's possible to output the image data of resolution corresponding to the display device and a printer and to shorten the time to obtain a necessary image by performing the image reading of a single time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image input apparatus and an image processing apparatus capable of storing and outputting image data obtained by reading an image in a memory, and more particularly, to an image processing apparatus.
The present invention relates to a device that outputs image data having an appropriate resolution to a printing device and a display device.

[0002]

2. Description of the Related Art Conventionally, a P having a display device has been disclosed.
A scanner for reading a color image and outputting image data and a printer capable of printing a color image are connected to C (personal computer), and input / output of image data is performed according to a command from a PC, or the image is output. Displaying or printing is performed.

Conventionally, printing an image takes a relatively long time and requires a high printing cost. Therefore, in order to prevent a printing error, the image is displayed on a screen of a display device before printing the image. ing. In that case,
Since the resolution of the display device is generally lower than the resolution of the printing device, the scanner first reads an image at a low resolution adapted to the screen of the display device, outputs the image data to the PC, and issues a print command. When an error occurs, the image is read again at a high resolution corresponding to the resolution of the printing apparatus.

[0004]

For this reason, it is necessary to read an image twice for display on a display device and printing by a printer, and it takes time from outputting a command to outputting required image data. Was.
Therefore, there is a problem that it takes time for the user to obtain a necessary image.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is possible to output image data having a resolution corresponding to a PC (display device) and a printer (printing device) by reading an image once. It is an object of the present invention to provide an image input device and an image processing device capable of reducing the time required to obtain a required image.

[0006]

According to a first aspect of the present invention, there is provided a printing apparatus capable of printing an image based on input image data and an image on a screen based on the input image data. An image input device connected to a display device capable of displaying, storing image data obtained by reading an image in a memory, and outputting the image data, wherein the image is read at high resolution Reading image storage processing means for storing the high-resolution image data obtained in the above-mentioned manner in the memory without changing the resolution; and converting the image data stored in the memory into a resolution corresponding to the display resolution of the screen. And display image output means for outputting the low-resolution image data whose resolution has been converted to the display device, based on a print command output from the display device. , Comprising a, a print image output means for outputting the image data stored in the memory to the printing device.

According to a second aspect of the present invention, there is provided an image input device capable of storing and outputting image data obtained by reading an image in a memory, and printing an image based on the input image data. A printing device, and an image processing apparatus having a display device capable of displaying an image based on image data input from the image input device on a screen, wherein the image input device is Read image storage processing means for storing high-resolution image data obtained by reading an image at high resolution in the memory without changing the resolution; and display resolution of the screen with respect to the image data stored in the memory. Display image output means for performing a conversion of the resolution according to, and outputting low-resolution image data of the converted resolution to the display device,
A print image output unit that outputs image data stored in the memory to the printing apparatus based on a print command,
The display device includes: a print command output unit configured to output a print command for an image displayed on a screen based on image data input from the image input device; and printing from among the images displayed on the screen. A print range designating means for designating an output range to be provided, wherein when the output range is designated from the display device in the image input device, the print image output means designates the designated output range. Is read from the memory and output to the printing device.

In the apparatus according to the third aspect of the present invention, the image data whose resolution has been converted is output to the display device, and stored in the memory based on a print command from the display device. For switching between a confirmation mode for outputting image data to the printing apparatus and a non-confirmation mode for outputting the image data read without outputting the image data whose resolution has been converted to the display apparatus to the printing apparatus. A confirmation mode setting key is provided.

The image input device reads an original at a high resolution and stores the obtained high-resolution image data in a memory. The high resolution in this case is, for example, the highest readable resolution or the resolution designated for printing.

When the confirmation mode is set, the read image data is converted into low-resolution image data and output to the display device. The display device displays an image on a screen based on the image data. In converting the resolution, the image input device receives the display resolution of the display device in advance, calculates the resolution conversion rate based on the display resolution, the image reading range, and the like, and uses the calculated resolution conversion rate to perform the resolution conversion. Perform processing.

The user checks the image displayed on the screen to confirm whether or not the image is correct. When a print command is issued after confirmation, high-resolution image data is sent from the image input device to the printing device,
Printed. At this time, it is possible to specify a range to be printed (output range) on the image displayed on the screen. When the output range is specified, the image data for the specified output range is read from the memory, and the image corresponding to the read data is printed.

When the confirmation mode is released, that is, when the mode is the non-confirmation mode, the read image data is output to a printing apparatus, which is stored or not stored in a memory, and is printed there.

[0013]

FIG. 1 is a block diagram showing the overall configuration of an image processing apparatus 1 according to the present invention. In FIG. 1, an image processing apparatus 1 includes a PC (personal computer) 3 as a display device, a scanner 4 as an image input device, and a printer 5 as a printing device, and these are connected in this order. Thereby, the image processing apparatus 1 can operate a full-color copier, a full-color scanner,
Or, it has a function as a full-color printer.

The printer 5 includes a CPU 51, a RAM 52,
It comprises an engine 53, a video interface 54 and the like. In the present embodiment, the printer 5 is a laser beam printer capable of performing color printing, and performs printing by receiving image data DG2 output from the scanner 4. The engine 53 receives the image 2 via the video interface 54 connected to the scanner 4. Image data DG
Reference numeral 2 denotes four color data (color separation data) of C (cyan), M (magenta), Y (yellow), and K (black). The CPU 51 receives the image data DG2 from the scanner 4, and controls the engine 53 and controls the communication of the video interface. The RAM 52 is used to temporarily store the image data DG2 received from the scanner 4.

The scanner 4 includes a control unit 31, a RAM 32,
It comprises an operation panel 33, a SCSI interface 34, a video interface 35, a reading unit 36, and the like.
The operation panel 33 is used to perform settings as a normal copier (copier) performed on the printer 5 and settings for executing a scanner function performed on the PC 3 connected to the scanner 4. Used. The video interface 35 is a dedicated image interface for the printer 5. A cable connecting the scanner 4 and the printer 5 serves as a transfer path for control signals and image data. The SCSI interface 34 is a standard interface for connecting a personal computer and a peripheral device.
Are connected by a SCSI cable. In order to perform direct control and image transmission between the reading unit 36 and the PC 3, a SCSI connection is also established between the control unit 31 and the reading unit 36.
Connected by cable.

The reading section 36 is a digital scanner using a CCD or the like, reads an image of a document set on a document table, and performs color separation of three colors of R (red), G (green), and B (blue). The image data DG0 as data is output. Image data DG0 output from the reading unit 36
Are stored in the RAM 32.

The control unit 31 controls the operation of the reading unit 36,
Resolution conversion processing for converting the resolution in order to display the read image data DG0 or the image data DG0 stored in the RAM 32 on the screen of the display device 17, SCSI
Communication control of the interface 34 and the video interface 35, control of the operation panel 33, control of the RAM 32, and output range for receiving information on the specified output range (printing range) from the PC 3 and controlling the range for outputting for printing Perform control. Also, the three colors read (R, G, B)
Of the color separation data of four colors (C, M, Y,
K) Image processing control for controlling the conversion to color separation data, character / photograph area discrimination, edge enhancement, smoothing processing, and the like.

The PC 3 includes a CPU 11, a ROM 12, an RA
M13, a hard disk device 14, a mouse 15, a keyboard 16, a display device 17, a SCSI interface 18, and the like.

The CPU 11 reads from the hard disk device 14 application software for setting the functions of the scanner 4 and a scanner driver for issuing an operation instruction to the scanner 4, and executes them on the RAM 13. The application software has a scanner mode setting function, a print instruction function, a scan instruction function, a copy instruction function, an editing function, a display function, and the like. The application software issues an operation instruction to the scanner 4 via the scanner driver.

FIG. 2 is a plan view of the operation panel 33 mounted on the scanner 4. The operation panel 33 includes a Check key 101, a confirmation mode indicator light 102, a start key 1
03, color key 10 for selecting a color mode
4. Image key 105 for selecting image reading mode such as photo mode or character mode, paper key 106 for selecting paper size, clear / stop key 107, panel reset key 108, other keys, and status display A section 110 is provided.

The Check key 101 is for setting a confirmation mode. The confirmation mode is a mode for displaying on a screen of the display device 17 and confirming an image read from a document before printing the image at the time of copying. Each time the Check key 101 is pressed (clicked), the setting and release of the confirmation mode are alternately repeated. The state in which the confirmation mode is canceled is the non-confirmation mode in the present invention. While the confirmation mode is set, the indicator lamp 102 lights up.

FIG. 3 is a diagram showing a part of the operation screen HG1 of the application software displayed on the screen of the display device 17 and started by the PC3. An operation panel 33 having the same contents as the operation panel 33 of the scanner 4 is displayed on the screen HG1.
A dialog box BX1 representing a is displayed in a window. The function of each key on the operation panel 33a is the same as that of the operation panel 33 of the scanner 4. When the keys of the operation panel 33a are represented, "a" is added to the symbol of the corresponding key on the operation panel 33.

The dialog box BX1 performs a print instruction, a copy instruction, and a status display of the scanner and the printer by operating the pointer with the mouse 15. The dialog box BX1 is the mouse 1
5 can be moved to an arbitrary position in the screen HG1. An image based on the image data DG1 sent from the scanner 4 is displayed in the entire area of the screen HG1.

When the confirmation mode is set and no image is displayed on the screen HG1, that is, when the image data DG1 is not sent from the scanner 4,
By pressing the start key 103a of the dialog box BX1, the original is read by the scanner 4, and the read high-resolution image data DG0 is stored in the RA.
The image data DG1 stored in M32 and converted to a low resolution according to the display resolution is output to the PC 3, and an image FG based on the image data DG1 is displayed on the screen HG1. When the start key 103a is pressed again, PC3
Issues a print command, and the image FG displayed on the screen HG1 is printed (or printed) by the printer 5. Printing is performed based on the high-resolution image data DG0. At this time, if the output range is specified, printing is performed based on the image data DG0 of only the specified output range.

If the start key 103a is pressed while no image is displayed on the screen HG1 in the case where the confirmation mode is canceled, that is, in the case of the non-confirmation mode, the original is read by the scanner 4, and the read image is read. The image data DG0 is sent to the printer 5 and printed. At this time, a so-called copy operation is performed. When printing is performed by the printer 5, the image data DG <b> 0 stored in the RAM 32 is read and output to the printer 5.

The cancellation of the operation instruction and the setting from the PC 3 and the clearing of the image displayed on the screen HG 1 are as follows.
This is executed by pressing the clear / stop key 107a. When the panel reset key 108a is pressed,
The values of the items set in the dialog box BX1 are initialized to default values.

FIG. 4 is a diagram showing a flow of processing of the image data DG0 obtained by reading by the reading section 36. CPU
Reference numeral 311 controls image processing, resolution conversion processing, compression / decompression processing, output range control processing, and the like.

The image data DG read by the reading unit 36
0 is subjected to compression processing in a compression / decompression processing unit 314,
It is stored in the RAM 32. When the printing process is performed, first, the image data DG0 is read from the RAM 32 in synchronization with the operation of the printer 5, and the decompression process is performed in the compression / decompression processing unit 314. Decompressed image data GS0
In response to this, an image instructed from the PC 3 or the operation panel 33, such as a process of converting to four-color (C, M, Y, K) color separation data, which is a reproduction signal, and a process of automatically determining a character / photo region Processing is performed. The image data DG2 and the control signal are transferred to the printer 5 via the video interface 35, and after the image is processed according to the control signal, printing is performed by the engine 53 of the printer 5.

When the read image data DG0 is to be displayed on the screen of the display device 17, the image data DG0 stored in the RAM 32 is read out, and the compression / expansion processing unit 314 performs the resolution conversion processing while performing the expansion processing. The unit 313 performs a resolution conversion process,
Side, the low-resolution image data DG1 is transferred. Note that R
The image data DG0 stored in the AM 32 is held as it is until newly read image data DG0 is sent.

The resolution conversion rate in the resolution conversion processing unit 313 is calculated based on the screen resolution (display resolution) of the display device 17, the reading resolution of the reading unit 36, and the value of the reading range. The display resolution of the display device 17 is read in advance by the scanner 4 and
Is stored in

For example, if an image of an A4 size vertical document is
It is assumed that the image is read at a resolution of 0 dpi and displayed on the screen of the display device 17. About 4800 dots are required in the vertical direction of A4 size. If the screen of the display device 17 is 800 dots wide by 600 dots high, 4800 dots are displayed at 600 dots, so the number of pixels in the vertical pixel row is reduced to 1/8, and the resolution conversion is performed. The rate is 1/8. In this case, the data area is reduced to 1/64 of the data amount.

The reading range here is A4, A
This indicates a range based on the paper size, such as 4 widths or A3, and the number of pixels in the vertical direction is determined according to the vertical length and resolution of each range.

The image data DG1 subjected to the resolution conversion processing and sent to the PC 3 is stored in the RAM 13 in the PC 3, and then sent to the display device 17 to be displayed on the screen.

For the image displayed on the screen of the display device 17, an operation of the output range, a print instruction, a cancel instruction, and the like are performed by operating the keyboard 16 and the mouse 15. These designations and instructions are sent to the control unit 31 of the scanner 4 as control signals. The specified output range is applied to the image data DG0 stored in the RAM 32 of the scanner 4. When the print instruction is issued, the image data DG0 of only the output range is read out from the RAM 32 under the control of the output range control processing unit 312 based on the output range information and decompressed. The image data DG0 that has undergone the decompression process is composed of four reproduction signals C, M, Y, and K from the color separation data of three colors R, G, and B.
After being converted into color separation data and subjected to image processing such as character / photo area discrimination, it is printed by the printer 5.

FIG. 5 is a flowchart showing a copy operation and a screen display process in accordance with an instruction from application software started in the PC 3. The application software determines whether or not the power of the scanner 4 is turned on.
The determination is made based on whether or not connection to the SI interface 18 has been made. When the connection to the SCSI interface 18 is made, it is determined that the power of the scanner 4 is turned on. When it is detected that the power of the scanner 4 is turned on, the display resolution of the display device 17 is changed.
Send to

When receiving the resolution information (Yes in # 11), the scanner 4 stores the resolution information in the RAM 32 in the scanner 4 (# 12). When the scanner 4 receives a scan command issued by pressing the start key 103a from the PC 3 (Yes in # 13), the scanner 4 sets the read range,
The reading conditions such as reading resolution and color / monochrome designation are set (# 14). When the scanner 4 is ready for reading, it reads the document (# 15, # 16). The read image data DG0 of the document is compressed as color separation data of three colors of R, G, and B,
32 (# 17).

Next, it is detected whether the confirmation mode is set in the scanner 4 (# 18). What is verification mode?
As described above, before printing at the time of copying, it is checked whether or not the image is correctly read, and when the output range of the read image is to be designated from the PC 3, the read image is displayed. This is a mode for displaying on the device 17. The setting and release of the confirmation mode can be performed on the operation panel 33a of the application software started on the PC 3 (see FIG. 3).

If the confirmation mode is not set (No in # 18), the image data DG0 stored in the RAM 32 is read out, decompressed, and output to the printer 5 (# 23).

When the confirmation mode is set (#
18), the scanner 4 calculates the resolution conversion rate based on the information of the display resolution received in advance and the information of the read range of the read image, and performs the resolution conversion process using the calculated resolution conversion rate. To transmit the low-resolution image data DG1 to the PC 3 (# 19, # 20).

The PC 3 issues a print instruction, a print cancel instruction, or an output range instruction based on the image displayed on the screen, and transmits a control signal to the scanner 4. The scanner 4 performs processing according to the control signal received from the PC 3 (# 21, # 22).

That is, if it is a print instruction, the RAM
The decompression process is performed while reading out the image data DG0 stored in the image data 32, and the image data DG0 is output to the printer 5 (# 23). At this time, if there is an instruction for an output range, decompression is performed while reading out image data DG0 stored in the RAM 32 according to the output range information, and output to the printer 4. If it is a print cancel instruction, the image data DG0 stored in the RAM 32 is deleted (# 24).

FIG. 6 is a flowchart showing a copy operation and a screen display process according to an instruction from the operation panel 33 in the scanner 4. By operating the operation panel 33, setting of reading conditions such as an image reading range, reading resolution, color / monochrome designation, and confirmation mode, and a copy instruction are performed. When a copy instruction is issued by pressing the start key 103 (Yes in # 31), the original is read based on the set reading conditions (# 32).
~ 34). The image data DG0 of the read document is
It is compressed as color separation data of three colors of R, G, B,
The high-resolution image data DG is stored in the RAM 32 in the scanner 4.
It is stored as 0 (# 35).

When the confirmation mode is set on the scanner 4 side (Yes in # 36), it is possible to confirm on the PC 3 side whether or not the application software is running. SC
The activation of the application software can be confirmed by the connection to the SI interface 34. Since the application software performs polling through the SCSI interface 18, the contents set on both the scanner 4 side and the application software can be known.

When the confirmation mode is not set on the scanner 4 side (No in # 36) or when the application software is not activated (No in # 37), the RAM 3
2, while performing the decompression process while reading out the image data DG0 stored in the printer 2, and outputs it to the printer 5 (# 41).

If the scanner 4 has set the confirmation mode (Yes in # 36), the low-resolution image data DG1 converted at the resolution conversion rate calculated in advance is converted to P
The data is transmitted to C3 (# 38). The PC 3 displays an image on the screen of the display device 17 based on the image data DG1, and based on the displayed image, issues a print instruction,
A print cancel instruction or an output range instruction is issued, and the control signal is transmitted to the scanner 4 (# 3).
9). The scanner 4 performs a process according to the control signal received from the PC 3 (# 40).

If the instruction is a print instruction, the image data DG0 stored in the RAM 32 is read out, decompressed, and output to the printer 5 (# 41). At that time, if there is an instruction of the output range, the RAM is output according to the output range information.
The decompression process is performed while reading the image data DG <b> 0 stored in the P. 32 and output to the printer 4. If it is a print cancel instruction, the image data DG0 stored in the RAM 32 is deleted (# 42).

FIG. 7 is a diagram for explaining an operation of designating an output range for printing from an image displayed on the screen of the display device 17. When the confirmation mode is set, the screen HG of the display device 17 is determined based on the image data DG1 sent from the scanner 4 to the PC 3.
1, the image FG1 is displayed. “Specify output range” is selected by the mouse 15 or the keyboard 16. Screen H
The pointer displayed on G1 is operated with the mouse 15 to specify a desired output range. In the operation of the mouse 15, a pointer is placed at the upper left end of the desired output range, clicked, dragged to the lower right end, and dropped there.

To print the designated output range ER1, the start key 10 on the operation panel 33a shown in FIG.
Press 3a. FIG. 8 is a diagram for explaining output range information sent from the PC 3 to the scanner 4.

On the screen HG1, the main scanning direction is set to the X coordinate, and the sub scanning direction is set to the Y coordinate. The signal for controlling the output position in the X coordinate direction is an HD signal, and the control signal for controlling the output position in the Y coordinate direction is a VD signal. The output range ER1 in the image FG1 is indicated by a broken line. From the PC 3 to the scanner 4, the coordinates of the position designated by the operation of the mouse 15
That is, Begin (x, y) and End (x, y) are sent as output range information. The scanner 4 that has received the output range information outputs the image data DG2 to the printer 5 according to the high (H) level signal of the HD signal and the VD signal of the output coordinates based on the output range information.
In the printer 5, C, M,
The image is printed on paper in accordance with the Y and K color separation data to obtain an image in a specified output range.

In FIG. 8, the TOD signal (print start signal) is a signal issued when the printer 5 detects the print start position of the sheet. In the above-described embodiment, the processing in steps # 17 and # 35 corresponds to the image storage processing means of the present invention, the processing in steps # 20 and # 38 corresponds to the display image output means of the present invention, and the processing in steps # 23 and # 41 The processing corresponds to a print image output unit of the present invention. Further, the processing of the operation panels 33 and 33a, steps # 18, 22, 36 and 40 corresponds to the print command output unit of the present invention, the mouse 15 corresponds to the print range designating unit, and the check keys 101 and 101a are checked. Corresponds to the mode setting key.

According to the above-described embodiment, by setting the confirmation mode, the high-resolution image data DG0 read by the reading unit 36 is stored in the RAM 32 and simultaneously converted into the low-resolution image data DG1. PC
3 and displayed on the screen of the display device 17. Therefore, when printing the read image, the quality of the image can be easily checked. In addition, by issuing a print instruction when the image is satisfactory, the RAM 3 can be read without reading the original again.
2 is printed based on the high-resolution image data DG0 stored in the image data DG2. Therefore, it does not take much time until the necessary image data DG2 is output after the command is given, and the user can obtain a necessary image in a short time.

Further, when issuing a print instruction from the PC 3, it is possible to easily designate an output range for printing based on the image FG displayed on the screen. The setting and release of the confirmation mode can be easily performed, and when the image does not need to be confirmed, the confirmation mode can be easily released to perform high-speed printing.

In the above-described embodiment, the configuration, structure, shape, dimensions, processing or control contents, sequence, and the like of the entire PC 3, scanner 4, printer 5, or image processing apparatus 1 or each part thereof
The timing and the like can be appropriately changed according to the gist of the present invention.

[0054]

According to the first to third aspects of the present invention,
By performing image reading once, image data having a resolution corresponding to the display device and the printing device can be output, and the time required to obtain a required image can be reduced.

According to the second aspect of the present invention, an output range for printing based on the image displayed on the screen is easily designated,
Only necessary parts can be printed. According to the third aspect of the present invention, it is possible to easily set and cancel the confirmation mode, and to perform high-speed printing in the non-confirmation mode when it is not necessary to confirm the image.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating an overall configuration of an image processing apparatus according to the present invention.

FIG. 2 is a plan view of an operation panel mounted on the scanner.

FIG. 3 is a diagram showing a part of an operation screen displayed on a screen of a display device.

FIG. 4 is a diagram illustrating a flow of processing of image data obtained by reading by a reading unit.

FIG. 5 is a flowchart illustrating a process according to an instruction from application software started in the PC.

FIG. 6 is a flowchart showing processing according to an instruction from an operation panel in the scanner.

FIG. 7 is a diagram illustrating an operation of specifying an output range on a screen of a display device.

FIG. 8 is a diagram for explaining output range information sent from the PC to the scanner.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Image processing apparatus 3 PC (display apparatus) 4 Scanner (image input apparatus) 5 Printer (printing apparatus) 15 Mouse (print range specification means) 31 Control part (image storage processing means, display image output means,
Print image output means) 32 RAM (memory) 33, 33a Operation panel (print command output means) 101, 101a Check key (confirmation mode setting key) HG1 screen DG0, DG1, DG2 Image data

Claims (3)

[Claims] An image forming apparatus is connected to a printing device capable of printing an image based on input image data and a display device capable of displaying an image on a screen based on the input image data. An image input device capable of storing image data obtained by reading an image in a memory and outputting the image data in a memory, wherein a resolution of the high-resolution image data obtained by reading the image at a high resolution is changed. Reading image storage processing means for storing the image data stored in the memory without resolution, converting the resolution of the image data stored in the memory according to the display resolution of the screen, and converting the converted low-resolution image data Display image output means for outputting to the display device, and image data stored in the memory based on a print command output from the display device. An image input apparatus characterized by comprising comprises a printed image output means for outputting the printing device. 2. An image input device capable of storing and outputting image data obtained by reading an image in a memory,
An image including a printing device capable of printing an image based on input image data and a display device capable of displaying an image based on the image data input from the image input device on a screen A processing device, wherein the image input device is a read image storage processing unit that stores high-resolution image data obtained by reading the image at high resolution in the memory without changing the resolution; Display image output means for performing resolution conversion on the stored image data in accordance with the display resolution of the screen, and outputting the converted low-resolution image data to the display device; and A print image output unit that outputs the image data stored in the memory to the printing device, wherein the display device receives the image data from the image input device. Print command output means for outputting a print command for the image displayed on the screen based on the image data obtained, and a print range for specifying an output range to be printed from the image displayed on the screen A designation unit, wherein, in the image input device, when an output range is designated from the display device, the print image output unit reads out image data for the designated output range from the memory, An image processing device for outputting to a printing device. 3. The image input device outputs the image data whose resolution has been converted to the display device, and transmits the image data stored in the memory to the printing device based on a print command from the display device. A confirmation mode setting key is provided for switching between a confirmation mode for outputting and a non-confirmation mode for outputting the image data whose resolution has been converted read to the printing device without outputting the image data to the display device. The image processing apparatus according to claim 2, comprising: