One embodiment comprises a system that stores a pre-defined color conversion table and a hash table. The system receives user-defined color conversions for a print job, stores them in first locations in the hash table, and marks the first locations as persistent. The system processes the print job utilizing the color conversion table to convert colors in the print job to the output color space, and responsive to encountering colors in the print job that do not have color conversions in the color conversion table, interpolates between color conversions in the color conversion table to generate new color conversions, stores the new color conversions in second locations in the hash table, and marks the second locations as non-persistent. The system determines that the hash table is to be re-initialized, allows reuse of the second locations in the hash table, and prevents reuse of the first locations in the hash table.

An image forming apparatus is provided. The image forming apparatus includes a network interface unit which is connected to a host device in which a manager program is stored, a printing unit which performs a printing job, a storage unit which stores a management information base (MIB), and an agent program, and a control unit which communicates with the host device using a Simple Network Management Protocol (SNMP). If an application is newly installed, the control unit updates the MIB. Therefore, it is possible to easily add, modify, or delete a management object (MO).

When a print processing apparatus is not connected to a printing apparatus, the printing apparatus generates communication information using an IP address of the printing apparatus and writes the generated communication information into a memory of an NFC communication unit. When the print processing apparatus is connected to the printing apparatus, the printing apparatus generates communication information using an IP address of the print processing apparatus and writes the generated communication information into the memory of the NFC communication unit.

According to an embodiment of this invention, the following processing is performed to solve a problem of accurately determining an abnormal state in a carriage by using an acceleration sensor. Output values from a plurality of acceleration sensors mounted in locations which have low degrees of mechanical/physical coupling in a carriage and a printing apparatus main body are transformed into data in a frequency domain. Subsequently, a carriage operation abnormality and a level of the abnormal state are determined based on a plurality of acceleration values in the frequency domain and a comparison of magnitudes of the acceleration values.

Provided is a storage device, a liquid container and a host device that appropriately control whether or not writing is to be performed with an efficient data configuration.

The storage device 100 includes a control unit 110 that performs processing for communication with a host device 400, a storage unit 120, and a storage control unit 130 that performs access control on the storage unit 120. The control unit 110 receives a write data packet from the host device 400, and if a data pattern of write data included in the write data packet and additional data is judged as not matching a specific pattern, makes update instruction of address information and write instruction regarding write data to the storage control unit 130. If judged as matching, the control unit 110 does not make a write instruction regarding the write data, while making an update instruction of the address information.

There is provided with an information processing apparatus. A first obtaining unit obtains data of a reference image indicating a target of printing output to be performed by a printing apparatus. A second obtaining unit obtains data of an image printed by the printing apparatus. A correcting unit corrects a local image density difference or the reference image based on a global image density difference between the reference image and the printed image. An evaluating unit evaluates quality of the printed image based on the local image density difference between the corrected reference image and the printed image.

A terminal device includes an acquisition unit that acquires image information, a display unit that displays the image information acquired by the acquisition unit, a detection unit that detects pitch information by performing frequency analysis on the image information displayed by the display unit, and a control unit that controls the display unit to display the pitch information detected by the detection unit. The control unit adjusts saturation or shade of the image information displayed by the display unit.

A mechanism in which, even if a case in which an information processing apparatus has a plurality of methods for specifying an image forming apparatus to which to connect, a selection of the method and a selection of an alternative method for a case when specifying an image forming apparatus is not possible in a predetermined method are suitably executed is provided.

To accomplish this, an information processing apparatus sets destination information, searches for peripheral devices by using wireless communication, and if devices can be found, transmits the destination information to a device that the user selects from among the results of the search, and if a device could not be found, makes a recommendation to the user to use a reading function for reading a QR code in order to specify a transmission destination for the destination information.

A printing apparatus has first and second sheet storage units, where a second sheet conveyance path is longer than a first sheet conveyance path, and includes a determining unit and a permitting unit. When a sheet stored in the first sheet storage unit is for printing of a Nth page included in a first job and a sheet stored in the second sheet storage unit is for printing of a N+1th page included in the same first job, the determining unit determines a feeding schedule in which the N+1th page sheet feeding is initiated before the Nth page sheet feeding is initiated. When an issued instruction is issued to perform a second job by interrupting the first job after determining the feeding schedule, the permitting unit permits printing of a page included in the second job before the printing of the N+1th page included in the first job.

An image forming apparatus includes a conversion unit configured to convert image data based on a conversion condition, an image forming unit configured to form an image on a sheet based on the converted image data, a detection unit configured to detect a pattern image on a transfer member, a reading unit configured to read a test image formed on a sheet, a controller configured to perform calibration based on a reading result of the reading unit, and a reception unit. In a case where the calibration is performed, the controller determines an image forming condition based on a result of detection by the detection unit before the test image is formed. In a case where the reception unit receives the discontinuation instruction, the controller changes the image forming condition to an image forming condition before the pattern image is formed.