JP5842599B2 - Print job processing apparatus, printing system, print job processing system, and program - Google Patents

Description

  The present invention relates to a print job processing apparatus, a printing system, a print job processing system, and a program.

  When a print job used in a certain image forming system (first image forming system) is exported and imported to another image forming system (second image forming system) for printing, the first image forming system If the corresponding color profile and the color profile corresponding to the second image forming system are different, it is not possible to print with the same color reproduction as that printed by the first image forming system.

  Here, Patent Document 1 discloses an image processing system in which a user creates color adjustment data including a color profile and reproduces the same color by using the created color profile in common with a plurality of output destination printers. Has been proposed.

JP 2009-37405 A

  However, in the case of the invention described in Patent Document 1, since color profiles are set in units of printers, it is possible to cope with the case where different color profiles are set in units of print jobs or in units of pages in a print job. However, there is a problem that it is difficult to reproduce the color desired by the user in the same manner between the image forming systems.

  SUMMARY OF THE INVENTION An object of the present invention is to realize the same color reproduction between image forming systems even if the color setting for the print job is fine when exporting and importing print jobs between different image forming systems. That is.

In order to solve the above-described problem, the invention described in claim 1 is a print job processing apparatus that receives a print job transmitted from another print job processing apparatus and processes image data included in the print job. An acquisition unit that acquires a print job and a color profile that is associated with the print job and includes a source profile that corresponds to a device-independent color space, and forms an image of the print job acquired by the acquisition unit A storage unit that stores a device profile that defines color characteristics of the image forming apparatus, a determination unit that determines whether the print job acquired by the acquisition unit is a print job that uses a device link profile, and the determination unit When it is determined that the print job is a print job using a device link profile, the print job A device link profile is created from the source profile associated with the job and the device profile stored in the storage unit, and the created device link profile is associated with the print job and stored in the storage unit. When the determination unit determines that the print job is not a print job using a device link profile, the color profile associated with the print job and the device profile are associated with the print job and A first color conversion process for performing color conversion of image data included in the print job associated with the device link profile using a control unit stored in the storage unit and a device link profile stored in the storage unit , And the stored in the storage unit Wherein the error profile using the device profile, a color conversion unit that performs the second color conversion process, for performing color conversion of the image data to which the color profile and the device profile is included in the print job associated with the It is characterized by providing.

  According to a second aspect of the present invention, in the print job processing apparatus according to the first aspect, the acquisition unit acquires a compressed color profile.

According to a third aspect of the present invention, in the printing system, an image for forming an image based on the print job processing apparatus according to the first or second aspect and image data of a print job color-converted by the print job processing apparatus. And a forming apparatus.

According to a fourth aspect of the present invention, in the print job processing system, a plurality of the print systems according to the third aspect are connected via a communication line. A transmission processing unit that transmits the print job with a source profile corresponding to a device-independent color space among the color profiles used in the print job. And

The program according to claim 5 receives a print job transmitted from another print job processing apparatus, and transmits the print job and the print to a computer of the print job processing apparatus that processes image data included in the print job. A color profile that includes a source profile that corresponds to a job and that corresponds to a device-independent color space, and a device profile that defines the color characteristics of an image forming apparatus that forms an image of the acquired print job A storage function for storing the image in the storage unit, a determination function for determining whether the acquired print job is a print job that uses a device link profile, and a print job that uses the device link profile based on the determination function If it is determined that there is, the software associated with the print job A device link profile is created based on the profile and the device profile stored in the storage unit, the device link profile is stored in the storage unit in association with the print job, and the print job is based on the determination function. A control function that stores the color profile associated with the print job and the device profile in the storage unit in association with the print job when it is determined that the print job does not use a device link profile Using a device link profile stored in the storage unit, a first color conversion process for performing color conversion of image data included in the print job associated with the device link profile, and stored in the storage unit The color profile and the device By using the profile, characterized in that to realize the second color conversion processing, color conversion function that performs, for performing color conversion of the image data included in the print job to which the color profile and the device profile is associated And

  According to the present invention, when a print job is exported and imported between different image forming systems, the same color reproduction is realized between the image forming systems even if the color setting is fine for the print job. be able to.

1 is a block diagram illustrating a main configuration of a print job processing system according to an embodiment of the present invention. FIG. 2 is a schematic diagram illustrating a flow of transmission / reception processing by the print job processing system of FIG. 1. 2 is a flowchart showing a flow of transmission processing by the printing system of FIG. 1. 3 is a flowchart showing a flow of reception processing by the printing system of FIG. 1.

  Embodiments of the present invention will be described below with reference to the drawings. However, the scope of the invention is not limited to the illustrated examples.

FIG. 1 is a block diagram illustrating a schematic configuration of a print job processing system 100 including a print job processing apparatus 2a according to an embodiment to which the present invention is applied.
The print job processing system 100 includes a first printing system 101 having a printer controller 1a and a printer 1b, and a second printing system 102 having a printer controller 2a (print job processing apparatus) and a printer 2b (image forming apparatus). Each printing system is connected by a network N.
In the print job processing system 100, the export file EF created by the printer controller 1a of the first printing system 101 is transmitted to the second printing system 102, and the export file EF is received by the printer controller 2a of the second printing system 102. .
The print job processing system 100 includes a plurality of printing systems having both the function of the first printing system 101 (export file EF transmission processing) and the function of the second printing system 102 (export file EF reception processing). I have. That is, one printing system has both the functions of the first and second printing systems 101 and 102, but the first printing system 101 performs the transmission process of the export file EF, and the second printing system 102 exports the export file. A case where EF reception processing is performed will be described.

(First printing system 101)
As shown in FIG. 1, the first printing system 101 includes a printer controller 1a and a printer 1b.
The printer controller 1a includes a CPU 11, a RAM 12, a program memory 13, a storage unit 14, an operation input unit 15, a network IF unit 16, and a printer IF unit 17, and each unit is connected by a bus.

  The CPU 11 reads the processing program stored in the program memory 13, develops it in the RAM 12 and executes it, thereby controlling the entire printer controller 1 a.

  The RAM 12 expands the processing program executed by the CPU 11 in the program storage area in the RAM 12, and stores the input data and the processing result generated when the processing program is executed in the data storage area.

  The program memory 13 is configured by a ROM (Read Only Memory) that stores various processing programs for the CPU 11 to realize the function of controlling the entire printer controller 1a. More specifically, as shown in FIG. 1, the program memory 13 stores an analysis program a1, a determination program a2, an editing program a3, a compression processing program a4, a creation program a5, a transmission processing program a6, and the like.

  For example, the analysis program a1 causes the CPU 11 to display a print job J and a color profile (hereinafter referred to as SP: Source Profile) including a source profile (hereinafter referred to as SP: Source Profile) associated with the print job J and corresponding to a device-independent color space. This is a program for realizing a function of acquiring CP (Color Profile) and analyzing print setting data PD included in the acquired print job J.

  Here, the print job J includes image data ID described in PDL that can be interpreted by the printer controller 1a and print setting data PD in which printing conditions for printing the image data ID are set. The print setting data PD includes, for example, whether or not to perform color conversion by applying a device link profile (hereinafter referred to as DLP), the number of copies, a paper feed tray used for printing, color / monochrome printing, and the like. Instruction information for the printing conditions is included.

  The CP is a profile that describes the correspondence between the color values of the input image data ID and the output image data ID when performing color conversion of the image data ID. Examples of the CP include SP, device profile (hereinafter referred to as DP: Device Profile), and DLP. Specifically, as shown in FIG. 2, each CP associated with the print job J is set in units of images or pages.

The SP is a color value between the input color space and the PCS when color conversion is performed from the input color space via a PCS (Profile Connection Space) such as an L ^* a ^* b ^* value or an XYZ value that does not depend on the input / output device. It is a profile that describes the correspondence relationship. For example, RGB-SP is SP when the input image data ID is RGB format data. CMYK-SP is an SP when the input image data ID is data in the CMYK format. Accordingly, when the input image data ID includes both RGB format data and CMYK format data, both RGB-SP and CMYK-SP are used.

DP is a profile that describes the correspondence between PCS color values such as L ^* a ^* b ^* values or XYZ values that do not depend on input / output devices, and color values that depend on the output device.

  The DLP holds a conversion table for directly converting the input image data ID into the output image data ID. For this reason, when converting from the input image data ID to the output image data ID, one DLP is referred to. Color conversion is performed.

  The determination program a2 is, for example, a program for causing the CPU 11 to realize a function for determining the association between the print job J and the CP based on the analyzed print setting data PD. Specifically, the CPU 11 first determines whether or not it is set to associate a CP with the analyzed print setting data PD. Further, when it is determined that the CP is set to be associated with the print job J, the CPU 11 determines whether or not color conversion by DLP is set.

  For example, the editing program a3 realizes a function of associating the designated CP with the print job J determined to be instructed to associate the CP with the print setting data PD of the acquired print job J. It is a program. Specifically, as shown in FIG. 2, the CPU 11 determines that an instruction to associate a CP with the analyzed print setting data PD is determined, and further determines that a color conversion by DLP is instructed. Then, the print job J is associated with the SP, the DP corresponding to the printer controller 1a, and the DLP created from the SP and DP. On the other hand, if it is determined that the CP is instructed to be associated with the analyzed print setting data PD, but if it is determined that color conversion by DLP is not instructed, the CPU 11 corresponds to the SP and the printer controller 1a. Corresponding DP. Note that the CPU 11 may be configured to associate only the SP corresponding to the print job J with respect to the print job J instructed to associate the CP, regardless of whether or not color conversion by DLP is instructed.

  The compression processing program a4 is a program for causing the CPU 11 to realize a function of compressing the CP associated with the print job J, for example. Specifically, for example, compression is performed by a method of encoding using run length, Huffman encoding, LZ encoding, or the like.

  The creation program a5 is a program for causing the CPU 11, for example, to realize a function of creating a print job J associated with a compressed CP or a print job J not associated with a CP as an export file EF. Specifically, as illustrated in FIG. 2, when the image data ID and the print setting data PD and CP are associated with each other, the CPU 11 creates a print job J including the CP as an export file EF.

The transmission processing program a6, for example, sends the print job J associated with the compressed CP to the CPU 11 via the network IF unit 16 or the print job J not associated with the CP as the created export file EF. This is a program for realizing the function of transmitting to the printer controller 2a.
Here, by executing the transmission processing program a6, the CPU 11 transmits the print job J by adding the SP corresponding to the device-independent color space among the CPs used in the print job J. The processing unit is configured.

  The storage unit 14 includes a storage device such as a nonvolatile semiconductor memory or a hard disk, and stores print jobs J, SP, DP, DLP, and the like.

  The operation input unit 15 includes a keyboard having cursor keys, character input keys, various function keys, and the like, and a pointing device such as a mouse, and receives an operation input by a user. The operation input unit 15 outputs an operation signal input by the user to the CPU 11.

The network IF unit 16 is connected to an external PC (not shown) and other printing systems such as the second printing system 102 via the communication network N so that they can communicate with each other. For example, the network IF unit 16 transmits the export file EF to the printer controller 2a.
The printer IF unit 17 is connected to the printer 1b via a dedicated interface bus such as an IEEE 1394 serial bus or a USB (Universal Serial Bus).

  Next, the printer 1b includes a print processing unit 18 and a controller IF unit 19, and each unit is connected by a bus.

  The print processing unit 18 performs print processing based on the print setting data PD included in the print job J transmitted from the printer controller 1a and the image data ID included in the print job J. For example, the print processing unit 18 performs electrophotographic image formation, and includes a photosensitive drum, a charging unit that charges the photosensitive drum, an exposure unit that exposes and scans the surface of the photosensitive drum based on the image data ID, and a photosensitive drum. And a transfer unit that transfers the toner image formed on the photosensitive drum to the printing paper, a fixing unit that fixes the toner image formed on the printing paper, and the like.

  The controller IF unit 19 is connected to the printer IF unit 17 via a dedicated interface bus such as IEEE1394 serial bus or USB (Universal Serial Bus), for example, and transmits and receives data and the like between the printer controller 1a and the printer 1b. I do.

(Second printing system 102)
Next, as shown in FIG. 1, the second printing system 102 includes a printer controller 2a and a printer 2b.
The printer controller 2a includes a CPU 21, a RAM 22, a program memory 23, a storage unit 24, a RIP unit 25, a network IF unit 26, and a printer IF unit 27, and each unit is connected by a bus. The printer controller 2a has substantially the same functional configuration as the printer controller 1a except for the points described below, and a detailed description thereof will be omitted.

  The program memory 23 stores various processing programs for causing the CPU 21 to control the entire printer controller 2a. More specifically, the program memory 23 stores an acquisition program b1, a determination program b2, a control program b3, an expansion processing program b4, a color conversion program b5, and the like as shown in FIG.

The acquisition program b1 is, for example, a program for causing the CPU 21 to realize a function of acquiring a print job J and a CP including an SP that is associated with the print job J and that corresponds to a device-independent color space. Specifically, the CPU 21 acquires the print job J received from the printer controller 1a via the network IF unit 26 and the compressed CP associated with the print job J.
Here, the CPU 21 constitutes an acquisition unit by executing the acquisition program b1.

For example, the determination program b2 determines whether or not the CPU 21 associates the acquired print job J with the compressed CP, and further determines whether or not the print job J is a print job J that uses DLP. This is a program for realizing the function of determining whether or not.
Here, the CPU 21 constitutes a determination unit that determines whether the acquired print job J is a print job J that uses DLP by executing the determination program b2.

For example, when the CPU 21 determines that the print job J is a print job J that uses DLP, the control program b3 includes the SP associated with the print job J and the DP stored in the storage unit 24. To create a DLP, associate the DLP with the print job J, store the DLP in the storage unit 24, and associate the DLP with the print job J when it is determined that the print job J is not the print job J that uses the DLP. This is a program for realizing a function of storing the stored CP and DP in the storage unit 24 in association with the print job J.
Specifically, as shown in FIG. 2, when the acquired print job J is associated with a CP, the CPU 21 stores the DP included in the CP stored in the storage unit 24 of the printer controller 2a. Change to Subsequently, when the CPU 21 determines that the print job J is a print job J that uses the DLP, the CPU 21 creates a DLP using the SP associated with the print job J and the changed DP. Further, the CPU 21 changes the DLP associated with the print job J to the newly created DLP, associates the changed DLP with the print job J, and causes the storage unit 24 to store the changed DLP. On the other hand, if the CPU 21 determines that the print job J is not the print job J that uses DLP, the storage unit 24 associates the CP associated with the print job J and the changed DP with the print job J. Remember me.
Here, when the CPU 21 determines that the print job J is the print job J using the DLP by executing the control program b3, the CPU 21 stores the SP associated with the print job J and the storage unit 24. Based on the stored DP, a DLP is created, the DLP is associated with the print job J and stored in the storage unit 24, and if it is determined that the print job J is not a print job J that uses the DLP, printing is performed. A control unit is configured to store the CP and DP associated with the job J in the storage unit 24 in association with the print job J.

  The decompression processing program b4 is a program for causing the CPU 21 to realize a function for decompressing the compressed CP, for example.

The color conversion program b5 causes the CPU 21 to perform first color conversion processing for performing color conversion of the image data ID included in the print job J using the DLP stored in the storage unit 24, and the CP stored in the storage unit 24. This is a program for realizing a function of performing a second color conversion process for performing color conversion of the image data ID included in the print job J using DP. Specifically, when an export file EF including a print job J determined to be a print job J that uses a DLP is received, the CPU 21 uses the newly created DLP stored in the storage unit 24. Color conversion of the image data ID is performed (first color conversion process). On the other hand, if it is determined that the print job J does not use the DLP, the CPU 21 performs color conversion of the image data ID included in the print job J using the DP newly associated with the CP (second job). Color conversion processing).
Here, the CPU 21 executes the color conversion program b5, thereby performing a first color conversion process for performing color conversion of the image data ID included in the print job J using the DLP stored in the storage unit 24, and a storage unit. The color conversion unit is configured to execute the second color conversion process for performing the color conversion of the image data ID included in the print job J using the CP and DP stored in 24.

  The storage unit 24 includes a storage device such as a nonvolatile semiconductor memory or a hard disk, and stores the print job J transmitted from the printer controller 1a, the DP of the printer controller 2a, and the like.

  The RIP unit 25 converts the image data ID in the PDL format into an image data ID in the bitmap format or the like.

  The printer 2b includes a print processing unit 28 and a controller IF unit 29. The controller IF unit 29 is connected to the printer controller 2a via a network so as to be able to communicate with each other.

  The print processing unit 28 performs print processing based on the print setting data PD included in the print job J transmitted from the printer controller 2a and the image data ID included in the print job J. For example, the print processing unit 28 performs electrophotographic image formation, and includes a photosensitive drum, a charging unit that charges the photosensitive drum, an exposure unit that exposes and scans the surface of the photosensitive drum based on the image data ID, and a photosensitive drum. And a transfer unit that transfers the toner image formed on the photosensitive drum to the printing paper, a fixing unit that fixes the toner image formed on the printing paper, and the like.

  The controller IF unit 29 is communicatively connected to the printer IF unit 27 via a dedicated interface bus such as an IEEE 1394 serial bus or USB (Universal Serial Bus), and transmits and receives data and the like between the printer controller 2a and the printer 2b. I do.

Next, the transmission process of the export file EF by the printer controller 1a will be described with reference to FIG.
FIG. 3 is a flowchart illustrating an example of an operation related to transmission processing for transmitting the export file EF by the printer controller 1a.

  As shown in FIG. 3, first, the CPU 11 determines whether or not the transmission process of the export file EF is instructed based on a predetermined operation of the operation input unit 15 by the user (step S1). If it is determined that the transmission process has been instructed (step S1; Yes), the CPU 11 acquires the print job J designated by the user from the print jobs J stored in the storage unit 14 of the printer controller 1a (step S1). S2). On the other hand, if it is determined that the transmission process is not instructed (step S1; No), the CPU 11 waits until the transmission process is instructed.

  When the print job J is acquired in step S2, the CPU 11 analyzes the print job J (step S3). Subsequently, the CPU 11 determines whether or not it is instructed to associate the CP with the print setting data PD (step S4). If it is determined that the CP is instructed (step S4; Yes), the CPU 11 determines whether color conversion by DLP is instructed (step S5). If it is determined that color conversion by DLP is instructed (step S5; Yes), the CPU 11 associates CP (SP, DP, DLP) corresponding to the print job J (step S6). On the other hand, when it is determined that color conversion by DLP is not instructed (step S5; No), the CPU 11 associates CP (SP, DP) corresponding to the print job J (step S7).

  The CPU 11 compresses the CP newly associated with the print job J in steps S6 and S7 (step S8). Subsequently, the CPU 11 creates an export file EF including the print job J and the compressed CP associated in step S8 (step S9). On the other hand, if it is determined in step S4 that it is not instructed to associate the CP (step S4; No), the CPU 11 creates the export file EF without including the CP in the print job J (step S10). . Then, the CPU 11 transmits the export file EF created in steps S9 and S10 to the printer controller 2a via the network IF unit 16 (step S11), and ends the transmission process.

Next, reception processing for receiving the export file EF by the printer controller 2a will be described with reference to FIG.
FIG. 4 is a flowchart illustrating an example of an operation related to reception processing by the printer controller 2a.

  As shown in FIG. 4, first, the CPU 21 determines whether or not the export file EF has been received by the printer controller 2a (step S21). If it is determined that the export file EF has been received by the printer controller 2a (step S21; Yes), the CPU 21 acquires the export file EF input to the printer controller 2a (step S22). On the other hand, if it is determined that the export file EF has not been received by the printer controller 2a (step S21; No), the CPU 21 waits until the export file EF is received.

  Subsequently, the CPU 21 determines whether or not a CP is associated with the print job J included in the export file EF (step S23). If it is determined that a CP is associated with the print job J (step S23; Yes), the CPU 21 expands the associated CP (step S24). Subsequently, the CPU 21 determines whether or not the print job J is a print job J that uses DLP (step S25). Specifically, it is determined whether or not the print setting data PD included in the print job J is set in the print setting data PD to perform color conversion using DLP.

If it is determined that the print job J is a print job J that uses DLP (step S25; Yes), the CPU 21 changes the DP to a DP corresponding to the printer controller 2a, and starts from the newly changed DP. A DLP is created, the changed DP and the newly created DLP are associated with the print job J, stored in the storage unit 24 (step S26), and the reception process ends. On the other hand, when it is determined that the print job J is not the print job J that uses DLP (step S25; No), the CPU 21 changes the DP to the DP corresponding to the printer controller 2a, and the changed DP is the print job. J is stored in the storage unit 24 (step S27), and the reception process is terminated.
On the other hand, if it is determined that the CP is not associated with the print job J (step S23; No), the CPU 21 sets the color conversion to be applied to the print job J in the print setting data PD (step S28). The reception process ends.

As described above, according to the print job processing apparatus 100 of the present embodiment, the CPU 21 includes a print job J, a CP that is associated with the print job J, and includes an SP that corresponds to a device-independent color space. DP that defines the color characteristics of the image forming apparatus 2b that performs image formation of the acquired print job J is stored in the storage unit 24, and whether or not the acquired print job J is a print job J that uses DLP If the print job J is determined to be a print job J that uses DLP, a DLP is created from the SP associated with the print job J and the stored DP, and the DLP Is stored in the storage unit 24 in association with the print job J, and when it is determined that the print job J is not the print job J that uses DLP, the CP and DP associated with the print job J are marked. Since the data is stored in the storage unit 24 in association with the job J, when the print job J is exported and imported between different image forming systems, even if the color setting for the print job J is fine, image formation is performed. The same color reproduction can be realized between systems.
Accordingly, the CPU 21 of the printer controller 2a can achieve high identity with respect to color reproduction in units of CP set for each image included in the print job J, for example.

  In addition, since the compressed CP is acquired, the load on transmission can be reduced even when the export file EF associated with the CP whose file capacity tends to increase is transmitted.

  Further, the first color conversion process for performing color conversion of the image data ID included in the print job J using the DLP stored in the storage unit 24 and the print job J using the CP and DP stored in the storage unit 24. Since the second color conversion process for converting the color of the image data ID included in the image data ID can be performed, the CPU 21 performs the color conversion process according to the print setting data PD of the target image data ID, thereby reproducing the color. Can be further enhanced.

  Further, the CPU 21 includes the print job processing apparatus 2a and the image forming apparatus 2b that performs image formation based on the image data ID of the print job J that has undergone color conversion by the print job processing apparatus 2a. Color conversion processing can be performed using a CP corresponding to the device 2b.

  When transmitting the print job J to another printing system, the print job J is transmitted by adding the SP corresponding to the device-independent color space among the CPs used in the print job J. The print job processing apparatus 2a can receive the print job J associated with the SP, and the color reproduction can be further enhanced by using the DP corresponding to the print job processing apparatus 2a together with the SP.

  In addition, this invention is not limited to the said embodiment, You may perform a various improvement and change in the range which does not deviate from the meaning of this invention.

Specifically, in this embodiment, the case where SP, DP, and DLP are associated with each other as the CP associated with the print job J has been described as an example. However, the essential CP associated with the export file EF is SP. DP and DLP are not essential CPs, but can be transmitted in association with the print job J.
Further, the printer controller 1a and the printer 1b may be configured as a single unit, and the same applies to the printer controller 2a and the printer 2b.
Further, the CP associated with the print job J need not be compressed. In that case, the decompression process performed by the CPU 21 of the printer controller 2a is not performed.
In addition, a known method can be used as a method for creating a DLP, and it is not particularly limited.
In addition, as a computer-readable medium for the program according to the present invention, a non-volatile memory such as a flash memory and a portable recording medium such as a CD-ROM can be applied.
A carrier wave is also applied to the present invention as a medium for providing the program data according to the present invention via a communication line.

100 Print Job Processing System 101 First Printing System 1a Printer Controller 11 CPU (Transmission Processing Unit)
a6 Transmission processing program (transmission processing unit)
102 Second printing system 2a Printer controller (print job processing apparatus)
21 CPU (acquisition unit, determination unit, control unit, color conversion unit)
b1 Acquisition program (acquisition part)
b2 Judgment program (determination unit)
b3 Control program (control unit)
b5 Color conversion program (color converter)
24 storage unit 2b printer (image forming apparatus)
J Print job ID Image data CP Color profile SP Source profile DP Device profile DLP Device link profile

Claims (5)

In a print job processing apparatus that receives a print job transmitted from another print job processing apparatus and processes image data included in the print job,
An acquisition unit that acquires a print job and a color profile that is associated with the print job and includes a source profile that corresponds to a device-independent color space;
A storage unit that stores a device profile that defines color characteristics of an image forming apparatus that forms an image of a print job acquired by the acquisition unit;
A determination unit that determines whether the print job acquired by the acquisition unit is a print job that uses a device link profile;
When the determination unit determines that the print job is a print job using a device link profile, the source profile associated with the print job and the device profile stored in the storage unit, Create a device link profile, associate the created device link profile with the print job and store it in the storage unit,
When the determination unit determines that the print job is not a print job that uses a device link profile, the color profile associated with the print job and the device profile are associated with the print job and stored. A control unit to be stored in the unit,
Using a device link profile stored in the storage unit, a first color conversion process for performing color conversion of image data included in the print job associated with the device link profile, and stored in the storage unit A color conversion unit that performs a second color conversion process for performing color conversion of image data included in the print job in which the color profile and the device profile are associated with each other using the color profile and the device profile;
A print job processing apparatus.   The print job processing apparatus according to claim 1, wherein the acquisition unit acquires a compressed color profile. A print job processing apparatus according to claim 1 or 2 ,
An image forming apparatus that forms an image based on image data of a print job that has undergone color conversion by the print job processing apparatus;
A printing system comprising: A plurality of printing systems according to claim 3 are connected via a communication line,
The print job processing apparatus of one printing system includes:
When transmitting a print job to another printing system, a transmission processing unit for transmitting the print job by adding a source profile corresponding to a device-independent color space among the color profiles used in the print job. A print job processing system comprising: A print job processing apparatus that receives a print job transmitted from another print job processing apparatus and processes image data included in the print job,
An acquisition function for acquiring a print job and a color profile associated with the print job and including a source profile corresponding to a device-independent color space;
A storage function for storing in the storage unit a device profile that defines the color characteristics of an image forming apparatus that forms an image of the acquired print job;
A determination function for determining whether the acquired print job is a print job using a device link profile;
When it is determined based on the determination function that the print job is a print job using a device link profile, the source profile associated with the print job and the device profile stored in the storage unit Creating a device link profile, storing the device link profile in association with the print job in the storage unit,
When it is determined based on the determination function that the print job is not a print job that uses a device link profile, the color profile associated with the print job and the device profile are associated with the print job and the print job is associated with the print job. Control function to be stored in the storage unit,
Using a device link profile stored in the storage unit, a first color conversion process for performing color conversion of image data included in the print job associated with the device link profile, and stored in the storage unit A color conversion function for performing a second color conversion process for performing color conversion of image data included in the print job in which the color profile and the device profile are associated with each other using the color profile and the device profile;
A program to realize

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