Abstract: An image processing device for detecting a large number of missing dots. The image processing device comprises a print data image acquisition unit that acquires a print data image; an inkjet printer unit that prints on the back of a check; a back CIS unit that scans the back of the printed check; a print area extraction unit that extracts a print area R from the scanned image of the back of the check as an extracted image; and a missing dot detection unit determines if there are missing dots based on the print data image and the extracted image extracted by the print area extraction unit.

Abstract: The recognition rate is improved and recognition errors suppressed when recognizing magnetic ink characters. The character recognition unit 80 of a check reader 1 recognizes a magnetic ink character 101 by performing magnetic recognition based on comparing reference waveform data with character waveform data acquired by reading the magnetic ink character 101 with a magnetic head 54, and optical recognition based on comparing reference image data with image data acquired by reading the magnetic ink character 101 with a front contact image sensor 52; selects a plurality of candidates for the magnetic ink character 101 by magnetic recognition; and when plural candidates are characters with mutually similar character waveform data, determines that the one plural candidate character that matches the character recognized by optical recognition with reliability exceeding a specific threshold is the magnetic ink character 101.

Abstract: An image processing device for detecting a large number of missing dots. The image processing device comprises a print data image acquisition unit that acquires a print data image; an inkjet printer unit that prints on the back of a check; a back CIS unit that scans the back of the printed check; a print area extraction unit that extracts a print area R from the scanned image of the back of the check as an extracted image; and a missing dot detection unit determines if there are missing dots based on the print data image and the extracted image extracted by the print area extraction unit.

Abstract: The recognition rate is improved and recognition errors suppressed when recognizing magnetic ink characters. The character recognition unit 80 of a check reader 1 recognizes a magnetic ink character 101 by performing magnetic recognition based on comparing reference waveform data with character waveform data acquired by reading the magnetic ink character 101 with a magnetic head 54, and optical recognition based on comparing reference image data with image data acquired by reading the magnetic ink character 101 with a front contact image sensor 52; selects a plurality of candidates for the magnetic ink character 101 by magnetic recognition; and when plural candidates are characters with mutually similar character waveform data, determines that the one plural candidate character that matches the character recognized by optical recognition with reliability exceeding a specific threshold is the magnetic ink character 101.

Abstract: A sheet media reading control method includes conveying a sheet medium on which magnetic ink characters are printed through a transportation path, reading the magnetic ink characters and an image of the sheet medium using a magnetic head and an image sensor head positioned along the transportation path, extracting partial scanned image data containing at least an outside edge part of the sheet medium from the scanned image data captured by the image sensor head, executing a skew evaluation based on the partial scanned image data to detect if the sheet medium is conveyed skewed at a skew angle exceeding an allowable skew angle, and invalidating at least the magnetic ink character data captured by the magnetic head from sheet media that are determined by the skew evaluation to be skewed.

Abstract: A control method for a print media processing apparatus that prints on a print medium based on print data supplied from a host computer, comprising converting the print data supplied from the host computer to the print media processing apparatus before a print command is asserted to print image data in a buffer based on a print data conversion command, and controlling printing in response to a print command by accessing the buffer and retrieving the print image data.

Abstract: A print media processing apparatus increases printer throughput by starting printing after setting the conveyed print medium to the printing start position, and a transportation control unit controls how far the print medium is advanced according to the length of text to be printed on the print medium. The transportation control unit advances the paper to the position where printing text of a specified length to the printing area of the paper begins.

Abstract: Transportation state evaluation methods, transportation state evaluation programs, and recording media processing devices are provided. In one embodiment, a check processing device has an insertion direction evaluation means that determines if an orientation of a check is correct or not based on a detection signal from a magnetic head, a multifeed detector and multifeed evaluation means that detect multifeeding, an enable/disable control means that enables or disables the insertion direction evaluation and multifeed detection operations of the insertion direction evaluation means and multifeed evaluation means, and a control means that unconditionally enables multifeed detection when only the insertion direction evaluation is enabled. Multifeed detection is always enabled when insertion direction evaluation is enabled because the insertion direction evaluation means can return a detection error when multifeeding occurs.

Abstract: Using detectors, skewed conveyance of sheet media such as checks can be detected accurately regardless of whether part of the conveyed medium is folded over. The biased feed detection unit 33 of a check processing device 1 according to at least one embodiment of the invention determines the lengths L1 and L2 of the conveyed check 6 (ST31 and ST32) and the thickness of a folded part of the check 6 (ST33) at different positions perpendicular to the transportation direction based on the output of a paper thickness detector 25 and a length detector 26 disposed to the check transportation path 7. The folded length L3 is then subtracted from the difference ?L of the detected lengths to acquire a corrected difference ?L1 (ST35). If the corrected difference ?L1 is less than or equal to a threshold value D, the medium is determined to be conveyed normally (ST37). If the corrected difference ?L1 exceeds the threshold value D, the medium is determined to be skewed (ST38).

Abstract: A data processing device 1 has flash ROM having a plurality of sectors, and a CPU for erasing data stored in a predetermined area of the flash ROM. A plurality of erase areas is set in the flash ROM based on the sector structures of a plurality of flash ROM devices. The CPU erases data using the erase areas set in flash ROM.

Abstract: Using detectors, skewed conveyance of sheet media such as checks can be detected accurately regardless of whether part of the conveyed medium is folded over. The biased feed detection unit 33 of a check processing device 1 according to at least one embodiment of the invention determines the lengths L1 and L2 of the conveyed check 6 (ST31 and ST32) and the thickness of a folded part of the check 6 (ST33) at different positions perpendicular to the transportation direction based on the output of a paper thickness detector 25 and a length detector 26 disposed to the check transportation path 7. The folded length L3 is then subtracted from the difference ?L of the detected lengths to acquire a corrected difference ?L1 (ST35). If the corrected difference ?L1 is less than or equal to a threshold value D, the medium is determined to be conveyed normally (ST37). If the corrected difference ?L1 exceeds the threshold value D, the medium is determined to be skewed (ST38).

Abstract: A sheet media reading control method includes conveying a sheet medium on which magnetic ink characters are printed through a transportation path, reading the magnetic ink characters and an image of the sheet medium using a magnetic head and an image sensor head positioned along the transportation path, extracting partial scanned image data containing at least an outside edge part of the sheet medium from the scanned image data captured by the image sensor head, executing a skew evaluation based on the partial scanned image data to detect if the sheet medium is conveyed skewed at a skew angle exceeding an allowable skew angle, and invalidating at least the magnetic ink character data captured by the magnetic head from sheet media that are determined by the skew evaluation to be skewed.

Abstract: A check processing device eliminates incorrect determinations by an insertion direction evaluation means that detects if the orientation of a conveyed check is correct or not based on the detection signal from a magnetic head. The check processing device 1 has an insertion direction evaluation means 76 that determines if the orientation of a check 6 is correct or not based on the detection signal from a magnetic head 23, a multifeed detector 62 and multifeed evaluation means 62a that detect multifeeding, an enable/disable control means 82 that enables or disables the insertion direction evaluation and multifeed detection operations of the insertion direction evaluation means 76 and multifeed evaluation means 62a, and a control means 83 that unconditionally enables multifeed detection when only the insertion direction evaluation is enabled.

Abstract: A print media processing apparatus increases printer throughput by starting printing after setting the conveyed print medium to the printing start position, and a transportation control unit controls how far the print medium is advanced according to the length of text to be printed on the print medium. The transportation control unit advances the paper to the position where printing text of a specified length to the printing area of the paper begins.

Abstract: The print media processing apparatus has a function for detecting paper jams, and uses a validation detector and a discharge detector as a plurality of jam detection means that operate at different detection levels and independently of each other.

Abstract: A control method for a print media processing apparatus that prints on a print medium based on print data supplied from a host computer, comprising converting the print data supplied from the host computer to the print media processing apparatus before a print command is asserted to print image data in a buffer based on a print data conversion command, and controlling printing in response to a print command by accessing the buffer and retrieving the print image data.

Abstract: A document reading apparatus reduces processing time and affords excellent ease of use in reading a slip document to acquire magnetic data and/or image data. As the slip is transported through a transportation path, a magnetic reading unit outputs magnetically read data acquired by reading printed magnetic ink characters from the slip and an optical reading unit outputs image data captured by optically imaging the same slip during the same pass through the transportation path. A parameter may be added to a single-pass read command for selectively specifying magnetic reading only, optical reading only, or both magnetic and optical reading as the type or types of reading of a slip during the single pass through the transportation path.

Abstract: A data processing device 1 has flash ROM having a plurality of sectors, and a CPU for erasing data stored in a predetermined area of the flash ROM. A plurality of erase areas is set in the flash ROM based on the sector structures of a plurality of flash ROM devices. The CPU erases data using the erase areas set in flash ROM.

Abstract: A document reading apparatus reduces processing time and affords excellent ease of use in reading a slip document to acquire magnetic data and/or image data. As the slip is transported through a transportation path, a magnetic reading unit outputs magnetically read data acquired by reading printed magnetic ink characters from the slip and an optical reading unit outputs image data captured by optically imaging the same slip during the same pass through the transportation path. A parameter may be added to a single-pass read command for selectively specifying magnetic reading only, optical reading only, or both magnetic and optical reading as the type or types of reading of a slip during the single pass through the transportation path.

Abstract: A document reading apparatus reduces processing time and affords excellent ease of use when reading a slip document to acquire both magnetically read data and image data. Transportation unit 19, 20 convey slips through a transportation path. Magnetic reading unit 21, 22 output magnetically read data acquired by reading the printed magnetic ink characters from the slip as the slip passes through the transportation path, and optical reading unit 23, 24 output image data captured by optically imaging the same slip during the same pass through the transportation path. A control unit 11 interprets control commands and controls slip transportation, the magnetic reading process, and the optical reading process accordingly. A single-pass multiple-reading command controls executing a single-pass multiple-reading process for applying both the magnetic reading and optical reading of specified slip during a single pass through the transportation path.