JP6863043B2 - Printing equipment - Google Patents

Description

The present invention relates to a printing apparatus.

Conventionally, as a security function in a printing device, there is known a configuration in which log data in which access history to data stored in the main body is stored as a file is stored in a hard disk (see, for example, Patent Document 1).
Further, in a multi-core processor system in which a plurality of processors (core processors) access shared memory, there is known a configuration in which access rights to memories between processors are adjusted (see, for example, Patent Document 2). In the system of Patent Document 2, when both the software in which one processor is running and the software in which another processor is running access the shared memory, the access right of the running software is prioritized. There is. As a result, the time required to start the software is shortened.

Japanese Patent No. 4836408 Japanese Unexamined Patent Publication No. 2014-199682

The printing device is controlled by multiple processors, and when a power-off instruction is given, access rights to the shared memory are sequentially assigned to each processor, and log data related to the processing in charge of each processor is saved in the shared memory. Can be considered.
However, the inventor of the present application has stated that when the power-off instruction is given immediately after the power-on instruction of the printing apparatus is given, the log data may not be normally stored in the storage unit by each processor. I found out.

The present invention has been made in view of this background, and to provide a printing apparatus capable of reliably storing log data in a shared memory by a plurality of processors when a power-off instruction is given. With the goal.

In order to solve the above problems, the printing apparatus of the present invention includes at least a first processor that starts or stops in response to a power on / off instruction and a second processor whose start or stop is controlled by the first processor. A control unit having a plurality of processors including the control unit, and a storage unit in which the plurality of processors commonly access, the first processor stores the first log data, and the second processor stores the second log data. When the second processor receives a stop instruction from the first processor, the second processor secures an access right to the storage unit, stores the second log data in the storage unit, and then refers to the storage unit. The configuration is such that the access right is transferred to the first processor and stopped, and the first processor stores the access right in the storage unit when an instruction to turn off the power is given before the startup of the second processor is completed. When the first log data or the second log data to be to be used exists, it is characterized in that the stop instruction is given to the second processor after the start of the second processor is completed.
According to the present invention, the first processor has the first log data or the second log data to be stored in the storage unit when the power off instruction is given before the startup of the second processor is completed. Occasionally, it waits for the second processor to finish booting. Then, the first processor gives a stop instruction to the second processor after the startup of the second processor is completed. As a result, even if the power-off instruction is given immediately after the power-on instruction is given to the printing device, the completion of the startup of the second processor is ensured and the access right to the storage unit is given to the first processor. Will be relocated to. Therefore, when the power off instruction is given, it is possible to reliably save the first log data in the storage unit by the first processor and the second log data in the storage unit by the second processor. it can.

Further, the first processor does not have the first log data and the second log data to be stored in the storage unit when the power off instruction is given before the startup of the second processor is completed. Occasionally, the second processor may be stopped from starting.
According to this configuration, the first processor stops the start of the second processor and stops the second processor when the first log data and the second log data to be stored in the storage unit do not exist. As a result, the time required from when the power off instruction is given until the power supply to the printing apparatus is cut off can be shortened.

Further, when the power off instruction is given before the startup of the second processor is completed, the first processor is a specific type of the first log data or the second log data to be stored in the storage unit. When is present, after the startup of the second processor is completed, the stop instruction is given to the second processor, and the specific type of the first log data or the second log data to be stored in the storage unit. When is not present, the second processor may be stopped by stopping the start of the second processor.
According to this configuration, when the power off instruction is given, the second processor stops without completing the startup unless a specific type of first log data or second log data exists. As a result, it is possible to expand the range of situations in which the time required from the instruction to turn off the power to the interruption of the power supply to the printing apparatus is shortened.

In addition, an ink tank is provided, and a cleaning process that involves consumption of the ink filled in the ink tank is performed, and at least the ink tank is subjected to the first log data or the second log data of the specific type. The configuration may include log data related to ink filling and log data related to the cleaning process.
According to this configuration, the log data related to the filling of the ink tank and the cleaning process involving the consumption of the ink is lost without being saved in the storage unit, and erroneous information regarding the remaining amount of ink or the consumption is lost. It is possible to prevent being notified.

Next, the control method of the printing apparatus of the present invention includes at least a first processor that starts or stops in response to a power on / off instruction, and a second processor whose start or stop is controlled by the first processor. A method of controlling the operation of a printing device by a control unit having a plurality of processors, wherein the plurality of processors access a common storage unit, and the first processor stores the first log data in the storage unit. Then, when the second processor stores the second log data in the storage unit and the second processor receives the stop instruction from the first processor, the access right to the storage unit is secured. After storing the second log data in the storage unit, the step of transferring the access right to the storage unit to the first processor and stopping the process, and the first processor completes the activation of the second processor. When the power off instruction is given before, and the first log data or the second log data to be stored in the storage unit exists, the second processor is completed after the startup of the second processor is completed. It is characterized by including a step of giving the stop instruction to the CPU.
By executing the method of the present invention, the first processor performs a process corresponding to the case where the power off instruction is given before the startup of the second processor is completed. That is, when the first log data or the second log data to be stored in the storage unit exists, the first processor gives a stop instruction to the second processor after the start of the second processor is completed. As a result, even if the power-off instruction is given immediately after the power-on instruction is given to the printing device, the completion of the startup of the second processor is ensured and the access right to the storage unit is given to the first processor. Will be relocated to. Therefore, when the power off instruction is given, it is possible to reliably save the first log data in the storage unit by the first processor and the second log data in the storage unit by the second processor. it can.

Explanatory drawing which showed the whole structure of a printing apparatus. Explanatory drawing of inconvenience which occurs when the 2nd processor is stopped before the start of the 2nd processor is completed in response to the power-off operation. The flowchart of the start and stop processing of the 1st processor. The flowchart of the start and stop processing of the 2nd processor. The explanatory view which showed the operation of the 1st processor and the 2nd processor when the power off operation is performed after the 2nd processor has completed the booting. The explanatory view which showed the operation of the 1st processor and the 2nd processor when the power off operation is performed before the 2nd processor completes the booting.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. The embodiments described below do not limit the contents of the present invention described in the claims. Moreover, not all of the configurations described below are essential constituent requirements of the present invention.

[1. Configuration of Printing Device in Embodiment]
FIG. 1 is an explanatory diagram showing an overall configuration of the printing apparatus 1 of the present embodiment. The printing device 1 includes a controller 10 that controls the overall operation of the printing device 1, a printing unit 50 that prints by an inkjet method, and an operation panel 70 that is operated by a user.

The controller 10 includes a control unit 20, a RAM (Random Access Memory) 11, a ROM (Read Only Memory) 12, an EEPROM (Electrically Erasable and Programmable Read Only Memory) 13, a communication circuit 14, and a power supply circuit 15. The control unit 20 has a plurality of processors, that is, a first processor 22 and a second processor 23. The EEPROM 13 corresponds to the storage unit of the present invention.

The control unit 20, the RAM 11, the ROM 12, the EEPROM 13, and the communication circuit 14 are operated by the electric power supplied from the power supply circuit 15. AC power is supplied to the power supply circuit 15 from a commercial power source (not shown), and the power supply circuit 15 generates DC power from the AC power and supplies it to the control unit 20, RAM 11, ROM, EEPROM 13, and the communication circuit 14.

The first processor 22 and the second processor 23 write and read data to the RAM 11 and the EEPROM 13 via the common bus 5 (including the data bus and the address bus). Further, the first processor 22 and the second processor 23 read data from the ROM 12 via the common bus 5.

The first processor 22 and the second processor 23 perform a function of controlling the operation of the printing device 1 by executing a program for the printing device 1 stored in the ROM 12. Further, each step of the control method of the printing apparatus of the present invention is executed by the first processor 22 and the second processor 23. The first processor 22 controls communication via the communication circuit 14. The second processor 23 controls the operation of the printing unit 50. Further, the first processor 22 and the second processor 23 exchange data with each other via the common bus 5.

The printing unit 50 includes a printing ASIC (Application Specific Integrated Circuit) 51 and a printing mechanism 52. The printing mechanism 52 includes a carriage 55 that reciprocates in a predetermined direction by a linear motion mechanism (not shown), and an ink cartridge 60 mounted on the carriage 55. The ink cartridge 60 has an ink tank 61 filled with ink 65, and an ink supply path 62 for supplying ink from the ink tank 61 to the print head 63. The ink supplied from the ink cartridge 60 is pressurized by the print head 63 and ejected from the nozzle 64 onto printing paper (not shown).

The printing ASIC 51 is an IC chip having a function of controlling the printing mechanism 52, and the printing mechanism is such that the set print data is expanded into a bitmap image and the data of the bitmap image is printed on the printing paper. 52 is controlled. The operation panel 70 includes a power switch 72 operated by the user and a touch panel 71.

The first processor 22 receives operation monitor data indicating the operation status of the power switch 72 and the touch panel 71 from the operation panel 70 via the common bus 5 via the common bus 5. Further, the first processor 22 outputs control data for controlling the display contents of the touch panel 71 to the operation panel 70.

Further, the first processor 22 performs data communication with an external device (not shown) via the common bus 5 and the communication circuit 14. Further, the first processor 22 receives the communication monitor data indicating the communication status from the communication circuit 14 via the common bus 5. The second processor 23 outputs control data for controlling the operation of the printing mechanism 52 to the printing ASIC 51 via the common bus 5. In addition, the second processor 23 receives print monitor data indicating the operating status of the printing mechanism 52 from the printing ASIC 51 via the common bus 5.

The start and stop (shutdown) of the second processor 23 is controlled by the first processor 22. The first processor 22 writes first log data indicating an event (communication error, etc.) that has occurred in relation to communication control to the first area AR1 of the RAM 11 at any time. Further, the second processor 23 writes second log data indicating an event (ink filling, cleaning process, etc.) that has occurred in relation to the control of the printing unit 50 to the second area AR2 of the RAM 11 at any time.

Then, when the user operates the power switch 72 to instruct the printing device 1 to turn off the power, the first processor 22 and the second processor 23 send the first log data and the second log data written in the RAM 11 to the RAM 11. The process of transferring to the EEPROM 13 and saving the data is performed. In this process, first, the second processor 23 secures the access right to the EEPROM 13 and transfers the second log data written in the second area AR2 of the RAM 11 to the EEPROM 13. Then, the second processor 23 outputs the data notifying the completion of the stop to the first processor 22 and shuts down (stops the operation). The access right to the EEPROM 13 is released by the notification of the completion of the stop from the second processor 23.

Next, the first processor 22 that recognizes the stop of the second processor 23 acquires the access right to the EEPROM 13 and transfers the first log data written in the first area AR1 of the RAM 11 to the EEPROM 13 to stop. In this way, when the power off instruction is given, the first log data and the second log data written in the RAM 11 are transferred to the EEPROM 13, so that even after the power supply is cut off, the first log data and the second log data The second log data can be saved.

[2. Inconvenience that may occur when the power is turned off]
As described above, when the power off instruction is given, the access right to the EEPROM 13 is transferred from the second processor 23 to the first processor 22, so that the first log data and the second log data are transferred to the EEPROM. Can be saved. However, if the power off instruction is given immediately after the power on instruction is given by the user, the first log data stored in the RAM 11 may not be transferred to the EEPROM 13 as shown in FIG. ..

FIG. 2 is an explanatory diagram of inconvenience that occurs when the second processor 23 is stopped before the start of the second processor 23 is completed in response to the power off operation. FIG. 2 shows the related operations between the first processor 22, the second processor 23, and the EEPROM 13 with a common time axis t. As shown in FIG. 2, when the user turns on the printing device 1 by the power switch 72 at t11 and then immediately turns off the printing device 1 by the power switch 72 at t13, the following inconveniences may occur. ..

That is, the first processor 22 started by starting the power supply from the power supply circuit 15 outputs data requesting the second processor 23 to start when its own start processing is completed (t12). Then, before the start-up of the second processor 23 is completed, the power-off operation is performed (t13), and the first processor 22 outputs data requesting the second processor 23 to stop starting (t14). .. In response to this output, the second processor 23 stops starting and shuts down (t15).

In this case, the second processor 23 does not notify the first processor 22 of the completion of the stop. Therefore, the access right to the EEPROM 13 is not transferred from the second processor 23 to the first processor 22. As a result, an event related to the control of the first processor 22 occurs between t11 to t13, and even if the first log data is stored in the RAM 11, the first log data is transferred from the RAM 11 to the EEPROM 13. Absent.

Then, the power supply from the power supply circuit 15 to the RAM 11 is cut off, and the first log data stored in the RAM 11 is lost. Therefore, the first processor 22 and the second processor 23 perform a process for preventing such an inconvenience from occurring. This process will be described below.
[3. Processing of the first processor]
FIG. 3 is a flowchart of the start and stop processing of the first processor 22. The first processor 22 is activated when the power supply from the power supply circuit 15 is started in response to the on operation of the power switch 72 by the user, and executes the flowchart of FIG. In step S1 of FIG. 3, the first processor 22 outputs data requesting the second processor 23 to start. Then, when the power switch 72 is turned off in the following step S2 (when the power off instruction is given), the first processor 22 proceeds to the process in step S3.

In step S3, the first processor 22 determines whether or not the startup of the second processor 23 is completed based on whether or not the data notifying the completion of the startup is received from the second processor 23. Then, the first processor 22 proceeds to step S4 when the start of the second processor 23 is completed, and proceeds to step S20 when the process of the second processor 23 is not completed.

In step S4, the first processor 22 outputs data instructing the second processor 23 to shut down (stop operation) (stop instruction). In the following step S5, the first processor 22 determines whether or not the first log data or the second log data is stored in the RAM 11. Here, the fact that the first log data or the second log data is stored in the RAM 11 corresponds to the existence of the first log data or the second log data to be stored in the storage unit of the present invention.

Then, when the first log data or the second log data is stored in the RAM 11, the first processor 22 proceeds to the process in step S6. On the other hand, when neither the first log data nor the second log data is stored in the RAM 11, the first processor 22 proceeds to step S8 and shuts down itself.

In step S6, the first processor 22 waits for the completion of shutdown of the second processor 23 and proceeds to step S7. In step S7, the first processor 22 transfers the first log data stored in the RAM 11 to the EEPROM 13, and proceeds to the following step S8 to shut down itself.

Further, in step S20, the first processor 22 determines whether or not the first log data or the second log data is stored in the RAM 11. Then, when the first log data or the second log data is stored in the RAM 11, the first processor 22 proceeds to the process in step S12. On the other hand, when the first log data or the second log data is not stored in the RAM 11, the first processor 22 proceeds to the process in step S30.

In step S21, the first processor 22 waits for the startup of the second processor 23 to be completed before proceeding to step 22. In step S22, the first processor 22 instructs the second processor 23 to shut down and proceeds to step S6. After the transfer of the second log data from the RAM 11 to the EEPROM 13 by the second processor 23 is completed by the processing of steps S21 and S22, the first log data stored in the RAM 11 is transferred to the EEPROM 13 in step S7.

In this way, the first processor 22 waits for the completion of startup of the second processor 23 in step S21, and then instructs the shutdown of the second processor 23 in step S22. As a result, the second processor 23 outputs data notifying the completion of the shutdown to the first processor 22 and shuts down, and the access right to the EEPROM 13 is released.

Therefore, the first processor 22 can proceed from step S6 to step S7, acquire the access right to the EEPROM 13, and transfer the first log data stored in the first area AR1 of the RAM 11 to the EEPROM 13.

Further, in step S30, the first processor 22 outputs data instructing the second processor 23 to stop starting, proceeds to step S8, and shuts down itself. As a result, when the first log data and the second log data are not stored in the RAM 11, the time required from the instruction to turn off the power to the interruption of the power supply to the printing device 1 can be shortened. it can. In this case, according to the aspect of FIG. 2 described above, the first processor 22 and the second processor 23 shut down without transferring the first log data and the second log data to the EEPROM 13.

[4. Processing of the second processor]
FIG. 4 is a flowchart of the start and stop processing of the second processor 23. When the second processor 23 receives the start instruction from the first processor 22 in step S50, the second processor 23 advances the process to step S51 and starts the start process.

The second processor 23 executes a loop including the following steps S52 and 60. Then, the second processor 23 determines whether or not the startup process is completed in step S52, and determines whether or not the data instructing shutdown is received from the first processor 22 in step S60.

When the start-up is completed, the second processor 23 proceeds from step 52 to step S53, and outputs data notifying that the start-up is completed to the first processor 22. In the following step S53, the second processor 23 determines whether or not the data instructing shutdown (operation stop) has been received from the first processor 22. Then, when the data instructing the shutdown is received, the second processor 23 proceeds to the process in step S55.

In step S55, the second processor 23 transfers the second log data stored in the second area AR2 of the RAM 11 to the EEPROM 13. As a result, the second log data is stored in the EEPROM 13 even after the power of the printing device 1 is turned off. In the following step S56, the second processor 23 outputs data notifying the completion of shutdown to the first processor 22, proceeds to step S57, and shuts down itself.

Further, when the second processor 23 receives the data instructing the start / stop from the first processor 22 in step S60, the second processor 23 proceeds to the process in step S61. In step S61, the second processor 23 stops the startup process, proceeds to step S57, and shuts down itself.
[5. Processing when the power is turned off after the second processor is started]
Next, with reference to FIG. 5, a process when the power is turned off after the second processor 23 is started will be described. FIG. 5 is an explanatory diagram showing the operation of the first processor 22 and the second processor 23 when the power off operation is performed after the second processor 23 completes the startup. In FIG. 5, the timing of data transfer between the first processor 22, the second processor 23, and the EEPROM 13 is represented by a common time axis t.

FIG. 5 illustrates a process in which the first log data is stored in the first area AR1 of the RAM 11 and the second log data is stored in the second area AR2 of the RAM 11. At t21 in FIG. 5, when the user operates the power switch 72 (power off operation) while the printing device 1 is operating, the first processor 22 outputs data requesting shutdown to the second processor 23 (t22). ). The first processor 22 does not access the EEPROM 13 until it receives data notifying the completion of shutdown from the second processor 23 at t24 (process in step S3 of FIG. 3). Therefore, between t22 and t24, the second processor 23 has an access right to the EEPROM 13.

At t23, the second processor 23 transfers the second log data stored in the second area AR2 of the RAM 11 to the EEPROM 13 (process in step S55 of FIG. 4). Then, the second processor 23 outputs the data notifying the completion of the shutdown to the first processor 22 at t24 (process in step S56 of FIG. 4). By this output, the access right to the EEPROM 13 possessed by the second processor 23 is released. Then, the second processor 23 shuts down itself at t25.

The first processor 22 acquires the access right to the EEPROM 13 at t24, and transfers the first log data stored in the first area AR1 of the RAM 11 to the EEPROM 13 at t26 (process of step S7 in FIG. 3). Then, at t27, the first processor 22 shuts down itself. By the process of FIG. 5, the first log data stored in the first area AR1 of the RAM 11 by the first processor 22 is transferred to the EEPROM 13, and the second log data stored in the second area AR2 of the RAM 11 by the second processor 23. Is transferred to the EEPROM 13. Therefore, even after the power of the printing device 1 is turned off, the first log data and the second log data are stored in the EEPROM 13.

[6. Processing when the power off operation is performed before the startup of the second processor is completed]
Next, with reference to FIG. 6, a process when the power off operation is performed before the startup of the second processor 23 is completed will be described. FIG. 6 is an explanatory diagram showing the operation of the first processor 22 and the second processor 23 when the power off operation is performed before the second processor completes the startup. In FIG. 6, the timing of data transfer between the first processor 22, the second processor 23, and the EEPROM 13 is represented by a common time axis t.

FIG. 6 illustrates a process in which the first log data is stored in the first area AR1 of the RAM 11 and the second log data is stored in the second area AR2 of the RAM 11. At t31 in FIG. 6, when the user operates the power switch 72 (power off operation) while the printing device 1 is operating, the first processor 22 is activated, and when the first processor 22 completes the activation, the first processor 22 is activated. 2 Requests the processor 23 to start (t32). The first processor 22 does not access the EEPROM 13 until it acquires data notifying the completion of shutdown from the second processor 23 at t38 (process in step S3 of FIG. 3). Therefore, between t32 and t37, the second processor 23 has an access right to the EEPROM 13.

When the user operates the power switch 72 (power off operation) at t33, the first processor 22 waits until the data notifying the completion of startup is received from the second processor 23 at t34. Then, the first processor 22 transmits data requesting shutdown to the second processor 23 at t35. When the second processor 23 that has completed the startup receives the data requesting this shutdown, it transfers the second log data stored in the second area AR2 of the RAM 11 to the EEPROM 13 at t36.

Then, at t37, the second processor 23 outputs data notifying the first processor 22 of the completion of shutdown (process in step S56 of FIG. 4). By this output, the access right to the EEPROM 13 possessed by the second processor 23 is released. Then, the second processor 23 shuts down itself at t37.

At t39, the first processor 22 transfers the first log data stored in the first area AR1 of the RAM 11 to the EEPROM 13. Then, the first processor 22 shuts down itself at t40. As a result, the first log data stored in the RAM 11 is stored in the RAM 11 even if the power off operation is performed at t33 immediately after the power off operation is performed at t31 and before the startup of the second processor 23 is completed. And the second log data can be transferred to the EEPROM 13.

[7. Other embodiments]
In the above embodiment, the first log data stored in the first area AR1 of the RAM 11 by the first processor 22 and the second log data stored in the second area AR2 of the RAM 11 by the second processor 23 are unconditionally stored in the EEPROM 13. It was configured to transfer. With respect to this configuration, among the first log data and the second log data, only the first log data or the second log data of a specific type may be limited and transferred to the EEPROM 13. For example, filling the ink tank 61 with ink, cleaning the nozzle 64, and the like may be set as specific first log data or second log data. Filling the ink tank 61 with ink includes injecting ink into the ink tank 61 and replacing the ink tank with ink. The cleaning of the nozzle 64 is performed by consuming the ink by ejecting the ink supplied from the ink tank 61 from the nozzle 64 separately from the printing process.

In the above embodiment, the printing device 1 that prints by the inkjet method is shown as the printing device of the present invention, but the present invention can also be applied to the printing device that prints by another method.

In the above embodiment, the EEPROM 13 is used as the storage unit of the present invention, but a flash memory, a RAM whose power supply is backed up by a battery, or the like may be used.

1 ... printing device, 5 ... common bus, 10 ... controller, 11 ... RAM, 12 ... ROM, 13 ... EEPROM, 15 ... power supply circuit, 20 ... control unit, 22 ... first processor, 23 ... second processor, 50 ... Printing unit, 52 ... Printing mechanism, 55 ... Carriage, 60 ... Ink cartridge, 61 ... Ink tank, 62 ... Ink supply path, 63 ... Printing head, 64 ... Nozzle, 70 ... Operation panel, 71 ... Touch panel, 72 ... Power switch ..

Claims (5)

A control unit having a first processor that starts or stops in response to a power on / off instruction, and a plurality of processors including at least a second processor whose start or stop is controlled by the first processor.
The plurality of processors commonly access, the first processor stores the first log data, and the second processor stores the second log data.
When the second processor receives a stop instruction from the first processor, the second processor secures an access right to the storage unit, stores the second log data in the storage unit, and then has an access right to the storage unit. Is relocated to the first processor and stopped.
When the first log data or the second log data to be stored in the storage unit exists when the power off instruction is given before the startup of the second processor is completed, the first processor A printing device that gives the stop instruction to the second processor after the start of the second processor is completed. When the power off instruction is given before the startup of the second processor is completed, the first processor does not have the first log data and the second log data to be stored in the storage unit. The printing apparatus according to claim 1, wherein the start of the second processor is stopped and the second processor is stopped. The first processor is
If the power off instruction is given before the startup of the second processor is completed,
When the first log data or the second log data of a specific type to be stored exists in the storage unit, after the start of the second processor is completed, the stop instruction is given to the second processor.
Claim 1 or claim that when the specific type of the first log data or the second log data to be stored in the storage unit does not exist, the start of the second processor is stopped and the second processor is stopped. 2. The printing apparatus according to 2. An ink tank is provided, and a cleaning process that involves consumption of the ink filled in the ink tank is performed.
The printing according to claim 3, wherein the first log data or the second log data of the specific type includes at least log data related to filling ink in the ink tank and log data related to the cleaning process. apparatus. The printing apparatus is operated by a control unit having a plurality of processors including at least a first processor that starts or stops in response to a power on / off instruction and a second processor whose start or stop is controlled by the first processor. Is a way to control
A step in which the plurality of processors access a common storage unit, the first processor stores the first log data in the storage unit, and the second processor stores the second log data in the storage unit.
When the second processor receives a stop instruction from the first processor, the access right to the storage unit is secured, the second log data is stored in the storage unit, and then the access right to the storage unit is secured. And the process of moving to the first processor and stopping
When the first processor is instructed to turn off the power before the startup of the second processor is completed, and the first log data or the second log data to be stored in the storage unit exists. A method for controlling a printing apparatus, which includes a step of instructing the second processor to stop after the start of the second processor is completed.

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