In-process color management system and method for digital color printing
View Patent ↗A system and method according to which the color performance of a digital color print job is monitored or otherwise managed during the production run of the digital color print job.
1. A method comprising:
providing a digital color press and a digital front end, wherein the digital color press comprises a stacker and a proof tray, and wherein the digital color press is at least partially controlled by the digital front end;
generating a color target, wherein the color target is associated with a print job; specifying an interval at which to print the color target, wherein the specified interval is based on at least one of a time interval and a sheet count interval;
executing the print job so that sheets of the print lob are printed to the stacker of the digital color press: and during the execution of the print job automatically printing the color target at the specified interval that is based on the at least one of the time interval and the sheet count interval;
wherein automatically printing the color target at the specified interval comprises: automatically transmitting the color target to the digital front end;
and automatically printing the color target to the proof tray of the digital color press; wherein at the specified interval the color target is automatically printed to the proof tray during the printing of the sheets of the print lob to the stacker to thereby enable monitoring of color performance of the print lob during the execution thereof;
wherein the color target has one or more color spaces; wherein the digital color press comprises a color measurement device;
and wherein the method further comprises: automatically measuring the one or more color spaces using the color measurement device;
automatically comparing the measurements of the one or more color spaces with a reference set of color values to thereby determine one or more color variances;
determining whether the one or more color variances are within respective tolerances; and if the one or more color variances are not within the respective tolerances, then automatically adjusting the digital color press.
2. The method of claim 1 ,
wherein the method further comprises:
generating a report on color stability based on the measurements of the one or more color spaces.
3. An apparatus comprising:
a computer readable medium that is non-transitory; and
a plurality of instructions stored on the computer readable medium, wherein the plurality of instructions are is executable by a processor, and wherein the plurality of instructions comprises: instructions that cause the processor to generate a color target, wherein the color target is associated with a print job; instructions that cause the processor to specify an interval at which to print the color target, wherein the specified interval is based on at least one of a time interval and a sheet count interval;
instructions that cause the processor to execute the print job so that sheets of the print job are printed to a stacker of a digital color press; and instructions that cause the processor, during the execution of the print job, to automatically print the color target at the specified interval that is based on the at least one of the time interval and the sheet count interval;
wherein the instructions that cause the processor to automatically print the color target at the specified interval comprise:
instructions that cause the processor to automatically transmit the color target to a digital front end, wherein the digital color press is at least partially controlled by the digital front end; and instructions that cause the processor to automatically print the color target to a proof tray of the digital color press;
wherein, at the specified interval, the color target is automatically printed to the proof tray during the printing of the sheets of the print job to the stacker to thereby enable monitoring of color performance of the print job during the execution thereof;
wherein the color target has one or more color spaces;
wherein the digital color press comprises a color measurement device; and wherein the plurality of instructions further comprises:
instructions that cause the processor to automatically measure the one or more color spaces using the color measurement device;
instructions that cause the processor to automatically compare the measurements of the one or more color spaces with a reference set of color values to thereby determine one or more color variances;
instructions that cause the processor to determine whether the one or more color variances are within respective tolerances; and instructions that if the one or more color variances are not within the respective tolerances, causes the processor to automatically adjust the digital color press.
4. The apparatus of claim 3 ,
wherein the plurality of instructions further comprises:
instructions that cause the processor to generate a report on color stability based on the measurements of the one or more color spaces.
5. A system comprising:
a server;
a digital front end in communication with the server;
a digital color press at least partially controlled by the digital front end, the digital color press comprising:
a stacker to which sheets of a print job are adapted to be printed during the execution of the print job; and
a proof tray to which a color target is adapted to be printed, wherein the color target is associated with the print job, wherein the color target has one or more color spaces;
wherein the digital color press comprises a color measurement device;
a processor, wherein the processor is part of at least one of the server, the digital front end, and the digital color press; and
a non-transitory computer program executable by the processor and stored in at least one of the server, the digital front end, and the digital color press, wherein the non-transitory computer program, when executed by the processor, causes:
the color target to be automatically transmitted to the digital front end;
the color target to be automatically printed to the proof tray at a specified interval during the execution of the print job;
the one or more color spaces to be automatically measured using the color measurement device;
the measurements of the one or more color spaces to be automatically compared with a reference set of color values to thereby determine one or more color variances;
the determination to be made of whether the one or more color variances are within respective tolerances; and
the digital color press to be automatically adjusted if the one or more color variances are not within the respective tolerances;
wherein the specified interval is based on at least one of a time interval and a sheet count interval; and
wherein, at the specified interval, the color target is automatically printed to the proof tray during the printing of the sheets of the print job to the stacker to thereby enable monitoring of color performance of the print job during the execution thereof.
6. The system of claim 5 , further comprising a user interface, wherein the color target is generated using the user interface during the execution of the print job.
7. A method comprising: receiving data corresponding to a print job; executing the print job using a digital color press, comprising printing sheets of the print job to a stacker of the digital color press;
generating a color target, wherein the color target is based on the received data; transmitting the color target to a digital front end, wherein the digital front end at least partially controls the digital color press; and printing the color target to a proof tray of the digital color press during the execution of the print job, comprising:
specifying an interval at which to print the color target, wherein the specified interval is based on at least one of a time interval and a sheet count interval; during the execution of the print job,
determining whether the print job is at the specified interval that is based on the at least one of the time interval and the sheet count interval; and during the execution of the print job, if the print job is at the specified interval then automatically transmitting the color target to the digital front end; and automatically printing, at the specified interval, the color target to the proof tray of the digital color press during the printing of the sheets of the print job to the stacker of the digital color press.
wherein the color target has one or more color spaces; wherein the digital color press comprises a color measurement device; and wherein the method further comprises: automatically measuring the one or more color spaces using the color measurement device automatically comparing the measurements of the one or more color spaces with a reference set of color values to thereby determine one or more color variances; determining whether the one or more color variances are within respective tolerances; and if the one or more color variances are not within the respective tolerances, then automatically adjusting the digital color press.
8. The method of claim 7 ,
wherein the method further comprises:
generating a report on color stability based on the measurements of the one or more color spaces.
9. The method of claim 7 , wherein the color target is generated using a user interface during the execution of the print job.
10. An apparatus comprising a computer readable medium that is non-transitory; and plurality of instructions stored on the computer readable medium, wherein the plurality of instructions are is executable by a processor, and wherein the plurality of instructions comprises: instructions that cause the processor to receive data corresponding to a print job; instructions that cause the processor to execute the print job using a digital color press, comprising printing sheets of the print job to a stacker of the digital color press;
instructions that cause the processor to generate a color target, wherein the color target is based on the received data;
instructions that cause the processor to transmit the color target to a digital front end, wherein the digital front end at least partially controls the digital color press; and instructions that cause the processor to print the color target to a proof tray of the digital color press during the execution of the print job,
comprising: instructions that cause the processor to specify an interval at which to print the color target, wherein the specified interval is based on at least one of a time interval and a sheet count interval;
instructions that cause the processor to determine, during the execution of the print job, whether the print job is at the specified interval that is based on the at least one of the time interval and the sheet count interval; and instructions that cause the processor to, during the execution of the print job, if the print job is at the specified interval, then:
automatically transmit the color target to the digital front end;
and automatically print, at the specified interval, the color target to the proof tray of the digital color press during the printing of the sheets of the print job to the stacker of the digital color press;
wherein the color target has one or more color spaces; wherein the digital color press comprises a color measurement device; and wherein the plurality of instructions further comprises:
instructions that cause the processor to automatically measure the one or more color spaces using the color measurement device; instructions that cause the processor to automatically compare the measurements of the one or more color spaces with a reference set of color values to thereby determine one or more color variances;
instructions that cause the processor to determine whether the one or more color variances are within respective tolerances; and instructions that, if the one or more color variances are not within the respective tolerances, cause the processor to automatically adjust the digital color press.
11. The apparatus of claim 10 ,
wherein the plurality of instructions further comprises:
instructions that cause the processor to generate a report on color stability based on the measurements of the one or more color spaces.