JPH11301076A - Printer, method for processing data for printer, and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent wasting of sheets by preventing erroneous outputting of data including secrecy documents or the like. SOLUTION: The printer comprises a CPU 12 for conducting a process of skipping reading of a command in the case of setting the command in a nonvolatile memory ROM 13 or the like) in the case of receiving data using the command from a host computer 3,000, controlling a printing unit 17 to display the effect of skipping the reading of the command on a cover of a printing result, executing a process of the command in the case of setting the command in the nonvolatile memory (ROM 13 or the like) in the case of receiving the data using the command from the computer 3,000, and controlling the unit 17 to display the effect of executing the command on the cover of the result.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus and a data processing method in the printing apparatus, and more particularly to a printing apparatus suitable for preventing erroneous output of print data including a confidential document. The present invention relates to a data processing method in a printing apparatus and a storage medium.

[0002]

2. Description of the Related Art In general, there is a printing apparatus as a device which takes in data supplied from a host device (host computer) and outputs the data in a predetermined form. Conventionally, in this type of printing apparatus, a command that can be processed by the printing apparatus is predetermined, and when data describing the command is received from a host computer,
Processing according to the command is performed.

[0003]

However, in a conventional printing apparatus which performs processing in accordance with a command described above when receiving data describing a predetermined command as described above, the following problem arises. there were. That is,
When a plurality of printing apparatuses are connected on a network, it may be better not to perform output processing on print data including a confidential document due to the installation location of the printing apparatuses. Therefore, there has been a demand for a printing apparatus having a function of not outputting print data including a confidential document.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has been made in consideration of a problem that prevents printing of data containing a confidential document or the like by mistake and prevents waste of paper. It is an object to provide a data processing method in an apparatus and a printing apparatus.

[0005]

According to one aspect of the present invention, there is provided a printing apparatus for performing printing based on data received from a higher-level apparatus, comprising: a non-volatile storage unit; Control means for storing the non-setting in the non-volatile storage means, and processing received data from a host device based on command setting / non-setting of the non-volatile storage means.

In order to achieve the above object, the invention according to claim 2 is characterized in that the control means performs processing based on command setting / non-setting of the nonvolatile storage means when data using the command is received from a host device. Is performed.

In order to achieve the above object, the invention according to claim 3 is characterized in that the control means is configured to receive data using the command from a host device and not to set the command in the nonvolatile storage means. In this case, the command is skipped.

In order to achieve the above object, the invention according to claim 4 is characterized in that the control means controls the printing means when skipping the command, and skips the command on the cover of the print result. Is displayed.

In order to achieve the above object, a fifth aspect of the present invention is configured such that the control means receives the data using the command from a higher-level device, and the command is set in the nonvolatile storage means. In this case, the processing of the command is executed.

In order to achieve the above object, according to a sixth aspect of the present invention, when the control unit executes the processing of the command, the control unit controls the printing unit and causes the cover of a print result to indicate that the command has been executed. It is characterized by the following.

[0011] To achieve the above object, the invention according to claim 7 is characterized in that the control means is configured to receive data using the command from a higher-level device, and that the command is not set in the nonvolatile storage means. In this case, the host device is notified that the command is not set.

[0012] In order to achieve the above object, the invention according to claim 8 is characterized in that the control means selects whether to continue or cancel the print processing by the printing means based on a response from the higher-level device after the notification. Features.

In order to achieve the above object, a ninth aspect of the present invention is characterized in that the control means skips the command when printing processing is continued, and causes the printing means to continue printing processing.

In order to achieve the above object, the invention according to claim 10 is characterized in that it can be applied to a system in which network communication can be performed between a plurality of host devices and a plurality of printing devices.

In order to achieve the above object, an invention according to claim 11 is a data processing method in a printing apparatus for performing printing based on data received from a host apparatus, wherein setting / non-setting of a command is stored in a nonvolatile storage means. The method further comprises a control step of storing and processing received data from a host device based on command setting / non-setting of the nonvolatile storage means.

According to a twelfth aspect of the present invention, in the control step, when data using the command is received from a higher-level device, processing based on command setting / non-setting of the nonvolatile storage means is provided. Is performed.

In order to achieve the above object, the invention according to a thirteenth aspect is characterized in that, in the control step, when data using the command is received from a host device, the command is not set in the nonvolatile storage means. In this case, the command is skipped.

In order to achieve the above object, the invention according to a fourteenth aspect is characterized in that, in the control step, when the processing for skipping the command is performed, a printing unit is controlled and the command is skipped on a cover of a print result. Is displayed.

In order to achieve the above object, the invention according to a fifteenth aspect is characterized in that, in the control step, when data using the command is received from a higher-level device, the command is set in the nonvolatile storage means. In this case, the processing of the command is executed.

In order to achieve the above object, according to the present invention, in the control step, when the processing of the command is executed, a printing unit is controlled to display on the cover of the print result that the command has been executed. It is characterized by the following.

In order to achieve the above object, the invention according to claim 17 is characterized in that, in the control step, when data using the command is received from a higher-level device, the command is not set in the nonvolatile storage means. In this case, the host device is notified that the command is not set.

[0022] In order to achieve the above object, the invention according to claim 18 is characterized in that in the control step, the printing unit selects whether to continue or stop the printing process based on a response from the host device after the notification. Features.

In order to achieve the above object, the invention of claim 19 is characterized in that, in the control step, when the printing process is continued, the command is skipped and the printing means is continued by the printing means.

[0024] To achieve the above object, the invention of claim 20 is characterized in that it can be applied to a system in which network communication can be performed between a plurality of host devices and a plurality of printing devices.

In order to achieve the above object, an invention according to claim 21 is a computer-readable storage medium storing a program for executing a data processing method in a printing apparatus that performs printing based on data received from a host apparatus. The data processing method includes a control step of storing command setting / non-setting in a non-volatile storage unit, and processing received data from a host device based on the command setting / non-setting of the non-volatile storage unit. It is characterized by.

[0026]

Embodiments of the present invention will be described below with reference to the drawings.

[1] First Embodiment Before describing the operation of the first embodiment of the present invention, a configuration of a laser beam printer which is an example of a printing apparatus suitable for applying the present invention will be described. This will be described with reference to FIGS. The printer to which the present invention is applied is not limited to the laser beam printer or the ink jet printer (not shown) shown in FIG. 2, and it goes without saying that a printer of another printing method may be used as described later.

FIG. 2 is an explanatory view showing an internal structure of the output device according to the first embodiment of the present invention and a partial cross section, for example, showing a case of a laser beam printer (LBP). Laser beam printer (LBP)
BP body 1500, printer control unit 1000, laser driver 1502, semiconductor laser 1503, rotating polygon mirror 1505, electrostatic drum 1506, developing unit 15
07, paper cassette 1508, paper feed roller 1509, transport rollers 1510, 1511, operation unit (operation panel) 1
501 is provided.

The configuration of each part of the laser beam printer will be described in detail. The printer control unit 1000, laser driver 1502, semiconductor laser 1503, rotary polygon mirror 1505, electrostatic drum 1
506, developing unit 1507, paper cassette 150
8, paper feed roller 1509, transport rollers 1510, 151
1. An operation unit (operation panel) 1501 is provided,
Print information (character codes, etc.) and form information or macro instructions supplied from an externally connected host computer 3000 (see FIG. 1) are input and stored, and a corresponding character pattern or form is used according to the information. A pattern or the like is created, and an image is formed on a recording medium such as recording paper.

The printer control unit 1000 is an LBP
Control of entire body 1500 and host computer 300
It analyzes character information and the like supplied from 0, and mainly converts the character information into a video signal of a corresponding character pattern and outputs the video signal to the laser driver 1502. The laser driver 1502 is a circuit for driving the semiconductor laser 1503, and switches on / off a laser beam 1504 emitted from the semiconductor laser 1503 according to an input video signal. The semiconductor laser 1503 emits a laser beam 1504 toward the rotary polygon mirror 1505 based on driving by the laser driver 1502. Rotating polygon mirror 150
5 is a laser beam 1 emitted from the semiconductor laser 1503
504 is swung right and left (in a plane orthogonal to the plane of FIG. 2). The surface of the electrostatic drum 1506 is scanned and exposed by the laser light 1504 reflected by the rotary polygon mirror 1505. As a result, an electrostatic latent image of a character pattern is formed on the surface of the electrostatic drum 1506.

The developing unit 1507 includes the electrostatic drum 15
, And develops the electrostatic latent image formed on the electrostatic drum 1506. After development of the electrostatic latent image, it is transferred to a recording paper. The paper cassette 1508 is detachably mounted on the LBP main body 1500, and stores therein, for example, cut sheet recording paper. The paper feed roller 1509 takes in the cut sheet recording paper stored in the paper cassette 1508 one by one into the apparatus. The transport rollers 1510 and 1511 transport and supply the cut sheet recording paper fed by the paper feed roller 1509 to the electrostatic drum 1506 side. An operation unit (operation panel) 1501 includes:
A switch for operation and a display means such as an LED (light emitting diode) display are provided.

The LBP body 1500 is provided with at least one or more card slots (not shown).
Control cards with different language systems (emulation cards)
It is configured to be able to connect.

FIG. 1 is a block diagram showing the configuration of the printer control system according to the first embodiment of the present invention. In the first embodiment of the present invention, the laser beam printer shown in FIG. 2 will be described as an example. As long as the functions of the present invention are executed, whether a single device or a system including a plurality of devices is connected to a LAN (Local
Needless to say, the present invention can be applied to a system in which processing is performed via a network such as (A Area Network).

The printer control system according to the first embodiment of the present invention comprises a host computer 3000 and a laser beam printer (LBP main body) 1500. The host computer 3000 has a CPU,
The configuration includes a RAM, a ROM, a keyboard, a display, an external memory, and the like. Since these configurations are known technologies, their illustration and description are omitted. The laser beam printer (LBP main body) 1500 includes a CPU 1
2, RAM 19, ROM 13, input unit 18, printing unit interface (I / F) 16, memory controller (M
C) 20, printing unit (printer engine) 17, operation unit 1
501, an external memory 14, and a system bus 15. In the figure, reference numeral 1000 denotes a printer control unit.

The above laser beam printer (LBP body)
The configuration of each unit will be described in detail.
A central processing unit that comprehensively controls access to various devices connected to the system bus 15 based on a control program or the like stored in the program ROM 13b or a control program or the like stored in the external memory 14. It outputs an image signal as output information to a printing unit (printer engine) 17 connected via a printing unit interface (I / F) 16, and executes a control process shown in a flowchart of FIG. RAM 19 is
It functions as a main memory, a work area, and the like of the CPU 12, and is configured so that the memory capacity can be expanded by an optional RAM connected to an additional port (not shown). The RAM 19 is used for an output information development area, an environment data storage area, a character bitmap image data storage area, and the like.

The ROM 13 includes a font ROM 13a,
It has a program ROM 13b and a data ROM 13c. The font ROM 3a stores font data and the like used when generating the output information. The program ROM 13b stores a control program of the CPU 12 as shown in a flowchart of FIG. The data ROM 3c is provided for a printer not equipped with the external memory 14 such as a hard disk.
The information used on the host computer 3000 is stored. The input unit 18 executes a communication control process with the host computer 3000 via a predetermined interface 21.

The printing unit interface (I / F) 16
Signals are transmitted and received between the CPU 12 and the printing unit (printer engine) 17. Memory controller (MC)
20 controls access to the external memory 14. The printing unit (printer engine) 17 performs a printing operation based on an image signal output from the CPU 12. Operation unit 1501
Are provided with operation switches and display means such as an LED (light emitting diode) display as described with reference to FIG. The external memory 14 has a hard disk (H
D), and is configured as an IC card or the like, and access is controlled by a memory controller (MC) 20.
The external memory 14 is connected as an option and stores font data, an emulation program, form data, and the like.

In the first embodiment of the present invention, the nonvolatile storage device (ROM) of the laser beam printer 1500 is used.
13 or RA when configured as non-volatile RAM
M19) stores a processing method of a special command described later received from the host computer 3000 (ON when the special command is set, OFF when the special command is not set). This will be described in detail with reference to FIG.

FIG. 3 is a block diagram showing the configuration of a plurality of host computers installed on a network and a plurality of printers for which special commands are set / not set according to the first embodiment of the present invention. is there. In the example of FIG.
Host computer 102, host computer 10
3. The host computer 104, the printer 105, the printer 106, and the printer 107 are connected to a network (LA
N). Each printer 105, 10
6, 107 are non-volatile storage devices 108, 109, 1
10 and these storage devices 108, 109, 1
Reference numeral 10 stores a processing method when the printer receives a special command from the host computer.

In the case of the first embodiment of the present invention, no special command is set in the storage device 109 of the printer 106 and the storage device 110 of the printer 107 (special command OFF). Only the special command 108 is set (special command ON). The host computers 102 to 104 and printers 105 to 107 shown in FIG. 3 have the same configurations as the host computer 3000 and laser beam printer 1500 shown in FIG.

Next, in the printer control system according to the first embodiment of the present invention configured as described above, the laser beam printer 15 receives data including a special command from the host computer 3000.
00 will be described with reference to a flowchart of FIG.

First, before executing the control process of FIG. 4, the user sends a printing device (laser beam printer 1500 in this embodiment) to a printing device (laser beam printer 1500 in this embodiment) on the network by transmission from the host computer 3000. The registration process of whether or not to set a special command is performed from the operation unit 1501 with reference to FIG. The laser beam printer 1500 that has performed the registration process stores a processing method when a special command is received in a non-volatile storage device (for example, the ROM 13 or the RAM 19 when configured as a non-volatile RAM).

In step S11, the CPU 12 of the laser beam printer 1500 detects whether or not the processing method of the special command received from the host computer 3000 via the input unit 18 is stored in a nonvolatile storage device. If the processing method of the special command is not stored in the non-volatile storage device of the laser beam printer 1500 (in the example of FIG. 3, the special command is stored in the storage device 109 and the storage device 110 like the printer 106 and the printer 107). If not stored, step S
At 12, the processing for skipping the received special command is performed. Further, in step S13, information that the received special command was skipped is stored in the RAM 19, and the process proceeds to step S16.

On the other hand, if the special command processing method is stored in the non-volatile storage device of the laser beam printer 1500 (in the example of FIG. 3, the special command is stored in the storage device 108 like the printer 105). Is detected), the storage of the special command is detected in step S11, and the processing of the stored special command is executed in step S14.
Further, in step S15, information that the processing of the received special command has been executed is stored in the RAM 19, and the process proceeds to step S16.

Whether the special command is set in the non-volatile storage device of the laser beam printer or the special command is not set (the printer 10 shown in FIG. 3).
5 when the special command is set, or when the special command is not set as in the printer 106 or the printer 107), when the printing process is performed in step S16, the above-described steps S13 and S15 are performed.
Then, the printing unit 17 prints the information (whether the special command is skipped or the special command processing is executed) stored in the RAM 19 as a cover page.

In the first embodiment of the present invention, in FIG. 3, when the printer that has received the data including the special processing command is the printer 105, the special command processing is executed, and the special command is executed by the cover printing. Is displayed. On the other hand, in FIG. 3, the printer receiving the data including the special processing command is
6. In the case of the printer 107, the special command is skipped, and it is displayed that the special command is skipped by the cover printing.

As described above, according to the printer control system according to the first embodiment of the present invention, the laser beam printer 1500 includes the host computer 3000.
If data using a command is received from a non-volatile storage device (such as the ROM 13), the command is skipped, and if the command is skipped, a print unit is executed. 1
7 is displayed on the cover of the print result to indicate that the command was skipped, when data using the command is received from the host computer 3000, and when the command is set in the nonvolatile storage device (such as the ROM 13). Has the CPU 12 that executes the command processing and, when the command processing is executed, controls the printing unit 17 and displays on the cover of the print result that the command has been executed. Therefore, the following effects are obtained.

According to the above configuration, even when the same data is received by changing the settings of the printing devices (laser beam printers) connected to the network, different print outputs can be performed. If the above settings are changed for each printing device installation location, it is possible to prevent print data from being output even when printing data containing confidential documents is sent to a printing device in an incorrect location. Becomes

Further, depending on whether the command displayed on the print cover was used or skipped, information such as whether the entire print result was output or whether a portion including a confidential document or the like was not output was provided to the user. Will be able to know.

That is, in the first embodiment of the present invention, the installed printing device (laser beam printer 150
0) can be set whether to process the special command or skip it, and the print result can be different for each setting, and data containing confidential documents etc. is output erroneously. There is an effect that can be prevented.

[2] Second Embodiment A printer control system according to a second embodiment of the present invention includes a host computer 3000 and a laser beam printer (LBP main body) 1500.
The host computer 3000 includes a CPU 1, a RAM 2,
ROM 3, keyboard controller (KBC) 5, CR
The configuration includes a T controller (CRTC) 6, a memory controller (MC) 8, a keyboard (KB) 9, a CRT display 10, and an external memory 11. In the figure, reference numeral 2000 denotes a host computer control unit.

The laser beam printer (LBP main body) 1500 includes a CPU 12, a RAM 19, a ROM 1
3, input unit 18, printing unit interface (I / F) 1
6, memory controller (MC) 20, printing unit (printer engine) 17, operation unit 1501, external memory 14,
The configuration includes a system bus 15. 10 in the figure
00 denotes a printer control unit. The configuration of each part of the laser beam printer 1500 has been described in detail in the first embodiment, and a description thereof will be omitted.

The configuration of each part of the host computer 3000 will be described in detail. The CPU 1 can read figures, images, characters, tables (including spreadsheets, etc.) based on a document processing program or the like recorded in the program ROM 3b of the ROM 3. Is a central processing unit that executes document processing in which is mixed with and performs overall control of each device connected to the system bus 4, and executes control processing shown in flowcharts of FIGS.

The CPU 1 executes, for example, rasterization of the outline font in the display information RAM set on the RAM 2, and executes WYSIWYG (What You See Is Wha) on the CRT display 10.
t You Get: A function that allows you to print as it is visible on the screen. Further, the CPU 1 opens various registered windows based on commands specified by a mouse cursor (not shown) on the CRT display 10 and executes various data processing.

The RAM 2 functions as a main memory of the CPU 1, a work area, and the like. ROM3 is RO for fonts
M3a, ROM 3b for program, ROM 3c for data
It has. The font ROM 3a stores font data and the like used in the document processing. The program ROM 3b stores a control program of the CPU 1 and the like as shown in the flowcharts of FIGS. The data ROM 3c stores various data used when performing the above-described document processing and the like.

The keyboard controller (KBC) 5
It controls key input from a keyboard (KB) 9 and a pointing device (not shown). A CRT controller (CRTC) 6 controls display on a CRT display 10. The memory controller (MC) 7 controls access to the external memory 11. The printer controller (PRTC) 8 executes a communication control process with the laser beam printer 1500 via a predetermined bidirectional interface 21.

The keyboard (KB) 9 has various keys for the operator to input various data and give various instructions. A CRT display (CRT) 10 displays figures, characters, tables, and the like. The display method is not limited to the CRT, and other display methods can be used. The external memory 11 is configured as a hard disk (HD), a floppy disk (FD), or the like that stores a boot program, various applications, font data, user files, edit files, and the like.

Next, in the printer control system according to the second embodiment of the present invention configured as described above, when the laser beam printer 15 receives data including a special command from the host computer 3000,
The flow of the control process of the CPU 12 will be described with reference to the flowcharts of FIGS.

In step S21, the CPU 12 of the laser beam printer 1500 detects whether or not the processing method of the special command received from the host computer 3000 via the input unit 18 is stored in a nonvolatile storage device. If the special command processing method is stored in the non-volatile storage device of the laser beam printer 1500 (in the example of FIG. 3, the special command is stored in the storage device 108 like the printer 105)
Executes the processing of the stored special command in step S22, and terminates the processing.

On the other hand, if the special command processing method is not stored in the nonvolatile storage device of the laser beam printer 1500 (in the example of FIG.
6. If no special command is stored in the storage devices 109 and 110 as in the printer 107), the host computer 3000 is notified in step S22 that no special command is stored.
In step S24, the host computer 300
Wait for reception from 0.

If the data has been received from the host computer 3000, the received data is detected in step S25 as to whether or not the laser beam printer 1500 should continue the printing process. If the printing process is to be stopped by the laser beam printer 1500, the printing process is stopped in step S26, and the process ends. On the other hand, when the printing process is continued by the laser beam printer 1500, in step S27, the special command is skipped, the printing process is continued, and the process ends.

In the second embodiment of the present invention, if the printer receiving the data including the special processing command does not store the special command like the printer 106 or the printer 107 in FIG. On the computer 3000 side, it is possible to selectively determine whether to stop the printing process or skip the special command and continue the printing process.

As described above, according to the printer control system according to the second embodiment of the present invention, the laser beam printer 1500 includes the host computer 3000.
If the data using the command is received from the host computer and the command is not set in the nonvolatile storage device (the ROM 13 or the like), the host computer 3000 is notified that the command is not set, and the host computer 3000 after the notification is sent. The user selects whether to continue or cancel the printing process in the printing unit 17 based on the response from the user. If the printing process is to be continued, the command is skipped, the printing process is continued in the printing unit 17, and the command from the host computer 3000 is used. When the received data is received and when a command is set in the nonvolatile storage device (the ROM 13 or the like), the CPU 12 that executes the command processing is provided.

With the above-described configuration, even when the same data is received by changing the settings of the printing devices (laser beam printers) connected to the network, different printing outputs can be performed. If the above settings are changed for each printing device installation location, it is possible to prevent print data from being output even when printing data containing confidential documents is sent to a printing device in an incorrect location. Becomes

Further, information on whether a command is used or skipped can be known by the host computer, and the user can select whether to stop or execute the printing process.

That is, in the second embodiment of the present invention, a printing apparatus (laser beam printer 150) to which no special command is set from the host computer 3000.
If the data is erroneously transmitted in step (0), the laser beam printer 1500 can skip the reading and continue the process, or the user can selectively determine the printing process (the laser beam printer performs the control based on the designation determined by the user). Printer 1500
This can effectively prevent the paper from being wasted.

In the above-described first and second embodiments of the present invention, a laser beam printer is used as an example of a printing apparatus. However, the present invention is not limited to a laser beam printer. The invention can be widely applied to various printers such as an ink jet printer, a thermal transfer printer, a thermal printer, an electrostatic printer, an electric discharge printer, and a dot impact printer.

The present invention may be applied to a system constituted by a plurality of devices or to an apparatus constituted by a single device. A storage medium storing software program codes for realizing the functions of the above-described embodiments is supplied to a system or an apparatus, and a computer (or CPU or MPU) of the system or the apparatus executes the program code stored in the storage medium. Needless to say, this can also be achieved by executing reading.

In this case, the program code itself read from the storage medium realizes the functions of the above-described embodiment, and the storage medium storing the program code constitutes the present invention.

As a storage medium for supplying the program code, for example, a floppy disk, hard disk, optical disk, magneto-optical disk, CD-ROM, CD
-R, a magnetic tape, a nonvolatile memory card, a ROM, or the like can be used.

When the computer executes the readout program code, not only the functions of the above-described embodiment are realized, but also the OS and the like running on the computer are actually executed based on the instructions of the program code. It goes without saying that a part or all of the above-described processing is performed, and the functions of the above-described embodiments are realized by the processing.

Further, after the program code read from the storage medium is written into a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer, based on the instruction of the program code, It goes without saying that the CPU included in the function expansion board or the function expansion unit performs part or all of the actual processing, and the processing realizes the functions of the above-described embodiments.

[0073]

As described above, according to the printing apparatus of the first aspect of the present invention, there is provided a printing apparatus for performing printing based on data received from a higher-level apparatus, comprising: a nonvolatile storage unit; Control means for storing setting / non-setting in the non-volatile storage means, and processing received data from a higher-level device based on command setting / non-setting of the non-volatile storage means. Play. By storing the setting / non-setting of the command in the non-volatile storage unit in advance, it is possible to set whether the command is processed or skipped for each installed printing apparatus, and a confidential document or the like is included. This has the effect of preventing erroneous output of data.

According to the printing apparatus of the present invention, when the control unit receives data using the command from a higher-level device, the control unit performs processing based on command setting / non-setting of the nonvolatile storage unit. Has the following effects. When the command use data is received from the host device, by performing processing based on the command setting / non-setting stored in the nonvolatile storage means in advance, it is set whether to process or skip the command for each installed printing device. This makes it possible to perform processing based on the settings, thereby preventing erroneous output of data containing a confidential document or the like.

According to the printing apparatus of the third aspect of the present invention, the control unit receives data using the command from a higher-level device, and the command is not set in the nonvolatile storage unit. In such a case, since the processing for skipping the command is performed, the following effects are obtained. Upon receiving the command usage data from the host device,
When a command is not set in the non-volatile storage unit, by skipping the command, it is possible to set whether to skip the command or process the command as described above for each installed printing apparatus. There is an effect that it is possible to prevent erroneous output of data including a document or the like.

According to the printing apparatus of the fourth aspect of the present invention, the control means controls the printing means when the processing for skipping the command is performed, and indicates that the command is skipped on the front cover of the print result. Has the following effects. If a command is skipped, a message to that effect is displayed on the cover of the print result, so that it is possible to set whether to process or skip the command for each installed printing device, and to set the print result for each setting. Therefore, it is possible to prevent erroneous output of data containing a confidential document or the like.

According to the printing apparatus of the present invention, the control unit is configured to receive the data using the command from a higher-level device and to set the command in the nonvolatile storage unit. In this case, the following effect is obtained because the processing of the command is executed. At the time of receiving the command use data from the host device, in the case of setting the command in the non-volatile storage means, by executing the command, for each installed printing device, whether to process the command as described above or skip the command. Can be set,
This has the effect of preventing erroneous output of data containing a confidential document or the like.

According to the printing apparatus of the present invention, when the processing of the command is executed, the control means controls the printing means to display on the cover of the print result that the command has been executed. Therefore, the following effects are obtained. When a command is executed, a message to that effect is displayed on the cover of the print result, so that it is possible to set whether the command is processed or skipped for each installed printer, and if the print result differs for each setting. Can be
This has the effect of preventing erroneous output of data containing a confidential document or the like.

According to the printing apparatus of the present invention, when the control means receives data using the command from a higher-level device, and the command is not set in the nonvolatile storage means. In this case, the following effect is obtained because the upper device is notified that the command is not set. When a command is not set in the non-volatile storage means at the time of receiving the command use data from a higher-level device, a notification to that effect is sent to the higher-level device, so that a printing device in which a special command is not set from the higher-level device is erroneously set. If the host device responds to the notification when the data is transmitted, the printing device can skip the reading and continue the process, or the user can selectively determine the printing process (to the user-specified designation). This makes it possible to execute the control based on the printing apparatus), thereby preventing waste of paper.

According to the printing apparatus of the present invention, the control means selects whether to continue or stop the printing process in the printing means based on the response from the higher-level device after the notification. The following effects are obtained. By selecting whether to continue or cancel the printing process based on the response of the host device, if the host device erroneously sends data to a printing device for which no special command is set, skip the reading on the printing device side and continue the process Alternatively, the printing process can be selectively determined by the user (the control based on the specification determined by the user can be executed by the printing apparatus), and there is an effect that wasteful use of paper can be prevented.

According to the ninth aspect of the present invention, the control unit skips the command and causes the printing unit to continue the printing process when the printing process is to be continued. Play. When the printing process is continued, the command is skipped and the printing process is continued.If data is erroneously transmitted from a higher-level device to a printing device for which a special command is not set, the reading is performed on the printing device side as described above. The processing can be skipped and the print processing can be selectively determined by the user (control based on the specification determined by the user can be executed by the printing apparatus), and waste of paper can be prevented. This has the effect.

According to the tenth aspect of the present invention, the present invention is applicable to a system capable of network communication between a plurality of host devices and a plurality of printing devices, and has the following effects. . In a system that performs network communication between a plurality of host devices and a plurality of printing devices, it is possible to set whether to process or skip a command for each installed printing device, and to set a print result for each setting. This makes it possible to prevent the erroneous output of data containing a confidential document or the like. When data is erroneously transmitted from a higher-level device to a printing device for which a special command is not set, the printing device can skip the reading and continue the process, or the user can selectively determine the printing process (user Can be executed by the printing apparatus based on the specification determined by the printer), and the waste of paper can be prevented.

According to the data processing method for a printing apparatus of the present invention, a data processing method for a printing apparatus that performs printing based on data received from a higher-level apparatus, wherein command setting / non-setting is performed in a nonvolatile manner It has a control step of storing the data in the storage device and processes the data received from the host device based on the command setting / non-setting of the non-volatile storage device. By storing the setting / non-setting of the command in the non-volatile storage unit in advance, it is possible to set whether the command is processed or skipped for each installed printing apparatus, and a confidential document or the like is included. This has the effect of preventing erroneous output of data.

According to a twelfth aspect of the data processing method for a printing apparatus of the present invention, in the control step, when data using the command is received from a higher-level device, a command setting / non-setting of the nonvolatile storage means is performed. Since the processing based on the setting is performed, the following effects are obtained. When the command use data is received from the host device, by performing processing based on the command setting / non-setting stored in the nonvolatile storage means in advance, it is set whether to process or skip the command for each installed printing device. This makes it possible to perform processing based on the settings, thereby preventing erroneous output of data containing a confidential document or the like.

According to the data processing method of the printing apparatus of the present invention, in the control step, when the data using the command is received from a higher-level device, the command is stored in the nonvolatile storage means. If the command is not set, the command is skipped and the following effects are obtained. When the command use data is received from the host device, if the command is not set in the nonvolatile storage unit, the command is skipped,
For each installed printing device, it is possible to set whether to skip the command or process the command as described above, thereby preventing erroneous output of data including a confidential document or the like. This has the effect.

According to the data processing method of the printing apparatus of the present invention, in the control step, when the processing of skipping the command is performed, the printing unit is controlled to print the command on the cover of the print result. The following effects are provided for displaying the fact that reading has been skipped. If a command is skipped, a message to that effect is displayed on the cover of the print result, so that it is possible to set whether to process or skip the command for each installed printing device,
The print result can be made different for each setting, and it is possible to prevent data containing a confidential document or the like from being output erroneously.

According to the data processing method of the printing apparatus of the present invention, in the control step, when the data using the command is received from the host device, the command is stored in the nonvolatile storage means. When the command is set, the processing of the command is executed, so that the following effects are obtained. At the time of receiving the command use data from the host device, in the case of setting the command in the non-volatile storage means, by executing the command, for each installed printing device, whether to process the command as described above or skip the command. Thus, it is possible to prevent erroneous output of data containing a confidential document or the like.

According to the data processing method of the printing apparatus of the present invention, in the control step, when the processing of the command is executed, the printing unit is controlled to execute the command on the cover of the printing result. In order to display the effect, the following effects are obtained. When a command is executed, a message to that effect is displayed on the cover of the print result, so that it is possible to set whether the command is processed or skipped for each installed printer, and if the print result differs for each setting. This makes it possible to prevent erroneous output of data containing a confidential document or the like.

According to the data processing method of the printing apparatus of the present invention, in the control step, when the data using the command is received from a higher-level device, the command is stored in the nonvolatile storage means. If not set, the host device is notified to the effect that the command is not set, so that the following effects are obtained. When a command is not set in the non-volatile storage means at the time of receiving the command use data from a higher-level device, a notification to that effect is sent to the higher-level device, so that a printing device in which a special command is not set from the higher-level device is erroneously set. If the host device responds to the notification when the data is transmitted, the printing device can skip the reading and continue the process, or the user can selectively determine the printing process (to the user-specified designation). This makes it possible to execute the control based on the printing apparatus), thereby preventing waste of paper.

According to the data processing method of the printing apparatus of the present invention, in the control step, it is determined whether the printing means should continue or stop the printing process based on the response from the higher-level device after the notification. The following effects are provided for selection. By selecting whether to continue or cancel the printing process based on the response of the host device, if the host device erroneously sends data to a printing device for which no special command is set, skip the reading on the printing device side and continue the process Alternatively, the printing process can be selectively determined by the user (the control based on the specification determined by the user can be executed by the printing apparatus), and there is an effect that wasteful use of paper can be prevented.

According to the data processing method of the printing apparatus of the present invention, in the control step, when the printing process is to be continued, the command is skipped and the printing process is continued by the printing means. It has the following effects. When the printing process is continued, the command is skipped and the printing process is continued.If data is erroneously transmitted from a higher-level device to a printing device for which a special command is not set, the reading is performed on the printing device side as described above. The processing can be skipped and the print processing can be selectively determined by the user (control based on the specification determined by the user can be executed by the printing apparatus), and waste of paper can be prevented. This has the effect.

According to the data processing method for a printing apparatus of the present invention, the present invention can be applied to a system capable of network communication between a plurality of host apparatuses and a plurality of printing apparatuses. Effect. In a system that performs network communication between a plurality of host devices and a plurality of printing devices, it is possible to set whether to process or skip a command for each installed printing device, and to set a print result for each setting. This makes it possible to prevent the erroneous output of data containing a confidential document or the like. When data is erroneously transmitted from a higher-level device to a printing device for which a special command is not set, the printing device can skip the reading and continue the process, or the user can selectively determine the printing process (user Can be executed by the printing apparatus based on the specification determined by the printer), and the waste of paper can be prevented.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a printer control system according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing an internal structure of a laser beam printer as an example of the output device according to the first embodiment of the present invention and a partial cross section.

FIG. 3 is a block diagram illustrating a configuration of a plurality of host computers installed on a network and a plurality of printers in which special commands are set / not set according to the first embodiment of the present invention.

FIG. 4 is a flowchart showing a flow of control processing of a CPU of the laser beam printer when receiving data including a special command from a host computer in the printer control system according to the first embodiment of the present invention.

FIG. 5 is a block diagram illustrating a configuration of a printer control system according to a second embodiment of the present invention.

FIG. 6 is a flowchart illustrating a flow of a control process of a CPU of a laser beam printer when data including a special command is received from a host computer in the printer control system according to the second embodiment of the present invention.

FIG. 7 is a flowchart illustrating a flow of a control process of a CPU of a laser beam printer when receiving data including a special command from a host computer in the printer control system according to the second embodiment of the present invention.

[Explanation of symbols]

 12 CPU 13a Program ROM 14 External memory 17 Printing unit 21 Network 1500 Laser beam printer 3000 Host computer

Claims (21)

[Claims] 1. A printing apparatus for performing printing based on data received from a higher-level device, comprising: a non-volatile storage unit; and a control unit that stores setting / non-setting of a command in the non-volatile storage unit. A printing apparatus for processing received data from a host device based on command setting / non-setting of the nonvolatile storage means. 2. The method according to claim 1, wherein the control unit performs a process based on command setting / non-setting of the nonvolatile storage unit when receiving data using the command from a host device. Printing device. 3. The method according to claim 1, wherein the control unit performs a process of skipping the command when data using the command is received from a host device and the command is not set in the nonvolatile storage unit. The printing apparatus according to claim 1, wherein the printing apparatus is a printing apparatus. 4. The apparatus according to claim 3, wherein the control unit controls the printing unit to display on the cover of the print result that the command has been skipped when the process of skipping the command is performed. Printing equipment. 5. The control unit executes processing of the command when data using the command is received from a host device and when the command is set in the nonvolatile storage unit. 3. The printing apparatus according to claim 1, wherein: 6. The printing apparatus according to claim 5, wherein when the processing of the command is executed, the control unit controls the printing unit to display a message indicating that the command is executed on a cover of a print result. . 7. The control unit, when receiving data using the command from a higher-level device and not setting the command in the nonvolatile storage unit, determines that the command is not set in the non-volatile storage unit. 3. The printing apparatus according to claim 1, wherein the printing apparatus is notified. 8. The printing apparatus according to claim 7, wherein the control unit selects whether to continue or stop the printing process in the printing unit based on a response from the host device after the notification. 9. The printing apparatus according to claim 8, wherein the control unit skips the command and causes the printing unit to continue the printing process when the printing process is continued. 10. The printing apparatus according to claim 1, wherein the printing apparatus is applicable to a system capable of performing network communication between a plurality of host apparatuses and a plurality of printing apparatuses. 11. A data processing method in a printing apparatus for performing printing based on data received from a higher-level device, comprising: a control step of storing setting / non-setting of a command in a non-volatile storage unit; A data processing method in a printing apparatus, wherein data received from a higher-level device is processed based on command setting / non-setting of means. 12. The method according to claim 11, wherein, in the control step, when data using the command is received from a higher-level device, processing based on command setting / non-setting of the nonvolatile storage unit is performed. A data processing method in a printing device. 13. In the control step, when data using the command is received from a higher-level device and the command is not set in the nonvolatile storage means, a process of skipping the command is performed. The data processing method in a printing apparatus according to claim 11 or 12, wherein 14. The method according to claim 13, wherein in the control step, when a process of skipping the command is performed, a printing unit is controlled to display a message indicating that the command is skipped on a cover of a print result. Data processing method in a printing apparatus. 15. In the control step, when data using the command is received from a higher-level device, and when the command is set in the non-volatile storage means, processing of the command is executed. The data processing method in a printing apparatus according to claim 11 or 12, wherein 16. The printing apparatus according to claim 15, wherein in the control step, when the processing of the command is executed, a printing unit is controlled to display a message indicating that the command has been executed on a cover of a print result. Data processing method. 17. In the controlling step, when data using the command is received from a higher-level device, and when the command is not set in the nonvolatile storage means, it is determined that the command is not set. 13. The data processing method in a printing device according to claim 11, wherein the data is notified to the device. 18. The printing apparatus according to claim 17, wherein in the control step, the printing unit selects whether to continue or stop the printing process based on a response from the host device after the notification. Processing method. 19. The data processing method according to claim 18, wherein in the control step, when the printing process is continued, the command is skipped and the printing unit is allowed to continue the printing process. 20. The data processing in a printing apparatus according to claim 11, wherein the data processing is applicable to a system capable of network communication between a plurality of host apparatuses and a plurality of printing apparatuses. Method. 21. A computer-readable storage medium storing a program for executing a data processing method in a printing apparatus that performs printing based on data received from a higher-level apparatus, wherein the data processing method includes a command setting / setting method.
A storage medium having a control step of storing non-settings in a non-volatile storage means, and processing received data from a higher-level device based on command setting / non-setting of the non-volatile storage means.