Abstract: A method for printing colored 3D object adopted by a 3D printer (1) comprising a 3D nozzle (3) and a 2D nozzle (4) is disclosed. The method comprises following steps of: inputting a 3D file corresponding to a 3D colored model (5); reading coordinate information and color information of the 3D colored model (5); executing a 3D route slicing process and a 2D image slicing process for respectively generating a route file (6) and an image file (7) for each of a plurality of printing layers; controlling the 3D nozzle (3) to print each slicing object according to each route file (6) of each printing layer; and, controlling the 2D nozzle (4) to color each printed slicing object according to each image file (7) of same printing layer.

Abstract: A three-dimensional printing method for a three-dimensional printer is provided. The three-dimensional printer includes a model printing head, a color printing head, and a platform. The model printing head prints a forming layer on an X-Y plane of the platform. The model printing head and the color printing head are arranged along an X-axis and co-constructed. The three-dimensional printing method includes: providing information of the forming layer and a coloring zone thereof; driving the model printing head by a processor to print the forming layer and at least one material barrier outside the forming layer; and after printing the forming layer and the material barrier, driving the color printing head by the processor to color the coloring zone along a Y-axis, such that the material barrier is located on a moving path of the model printing head during the coloring.

Abstract: A three-dimensional printing method for a three-dimensional printer is provided. The three-dimensional printer includes a model printing head and a color printing head arranged along an X-axis and co-constructed, wherein the model printing head prints a forming layer on an X-Y plane of a platform of the three-dimensional printer, and the color printing head colors a coloring zone of the forming layer along a Y-axis. The three-dimensional printing method includes: providing information of the coloring zone of the forming layer; determining the number of colorings of the color printing head according to the information of the coloring zone by a processor; and driving the model printing head by the processor to print the forming material outside a region of the forming layer.

Abstract: A method of the 3D printer includes: controlling a print head to move toward a printing home location and utilizing a positioning sensor to sense a positioning point of the print head; performing initial positioning simultaneously to a 2D nozzle and a 3D nozzle based on the positioning point and location offsets among the positioning point, the 2D nozzle and the 3D nozzle; starting printing after the initial positioning is completed; controlling the print head to move toward a maintenance station when entering a non-work status and utilizing the positioning sensor to sense the positioning point of the print head; controlling the print head to perform a compensation movement according to the location offset between the location point and the 2D nozzle, so as to move the 2D nozzle into the maintenance station precisely.

Abstract: A method of a 3D printer having a print platform (11), a print head (12) including a 2D nozzle (122) and a 3D nozzle (121), a cleaning element (2) for the 3D nozzle (121), and a maintenance unit (21) for the 2D nozzle (122) is disclosed and including: controlling the print head (12) to perform printing under a working status; calculating, under a non-working status, a cleaning route destination (100) according to current position of the print head (12), position of the cleaning element (2), and a location offset between the 2D nozzle (122) and the 3D nozzle (121); controlling the print head (12) to move to the cleaning route destination (100); and, controlling the print head (12) to perform a compensation movement from the cleaning route destination (100) to the maintenance unit (21) according to the location offset for utilizing the maintenance unit (21) to maintain the 2D nozzle (122).

Abstract: A three-dimensional printing method for a three-dimensional printer is provided. The three-dimensional printer includes a model printing head, a color printing head, and a platform. The model printing head prints a forming layer on an X-Y plane of the platform. The model printing head and the color printing head are arranged along an X-axis and co-constructed. The three-dimensional printing method includes: providing information of the forming layer and a coloring zone thereof; driving the model printing head by a processor to print the forming layer and at least one material barrier outside the forming layer; and after printing the forming layer and the material barrier, driving the color printing head by the processor to color the coloring zone along a Y-axis, such that the material barrier is located on a moving path of the model printing head during the coloring.

Abstract: A three-dimensional printing method for a three-dimensional printer is provided. The three-dimensional printer includes a model printing head and a color printing head arranged along an X-axis and co-constructed, wherein the model printing head prints a forming layer on an X-Y plane of a platform of the three-dimensional printer, and the color printing head colors a coloring zone of the forming layer along a Y-axis. The three-dimensional printing method includes: providing information of the coloring zone of the foaming layer; determining the number of colorings of the color printing head according to the information of the coloring zone by a processor; and driving the model printing head by the processor to print the forming material outside a region of the forming layer.

Abstract: A quick coloring method for a 3D printer having an ink nozzle-head includes the following steps: reading an image file and a coloring route; controlling the ink nozzle-head to move to a start position of one of printing rows; controlling the ink nozzle-head to move and to print a coloring object according to the image file and the coloring route; reading a reverse image file and a reverse coloring route, in which the reverse image file records a horizontal reverse image of the image file, and the reverse coloring route records an opposite start position; controlling the ink nozzle-head to move to the opposite start position of next printing row according to the reverse coloring route; controlling the ink nozzle-head to move and to print the coloring object according to the reverse image file and the reverse coloring route; and re-executing above steps before a coloring operation is completed.

Abstract: A method for printing colored 3D object adopted by a 3D printer (1) comprising a 3D nozzle (3) and a 2D nozzle (4) is disclosed. The method comprises following steps of: inputting a 3D file corresponding to a 3D colored model (5); reading coordinate information and color information of the 3D colored model (5); executing a 3D route slicing process and a 2D image slicing process for respectively generating a route file (6) and an image file (7) for each of a plurality of printing layers; controlling the 3D nozzle (3) to print each slicing object according to each route file (6) of each printing layer; and, controlling the 2D nozzle (4) to color each printed slicing object according to each image file (7) of same printing layer.

Abstract: A method of slicing and printing multi-color 3D object includes following steps of: executing a path-slicing process to a coordinate information of a multi-color 3D object (22) to generate a plurality of path data; generating a plurality of continuous-tone images according to a color information of the multi-color 3D object (22); calculating a plurality of dithering masks according to a plurality of displacement values and an initial mask; generating a plurality of halftone images according to each dithering mask and the same-layer continuous tone image; and, controlling a modeling nozzle (100) of a multi-color 3D printer (1) to print a plurality of printing slices (S1-S3) according to each path data layer by layer and controlling a coloring nozzle (102) of the multi-color 3D printer (1) to color each of printed printing slice (S1-S3) according to the same-layer halftone image.

Abstract: A method for tuning image quality and a system using the same are provided. The method is adapted for tuning image quality parameters of at least one image processing device, and includes following steps. After firmware of the image processing apparatuses are compiled and burned into the image processing devices, at least an image processing function along with their respective image processing parameters are configured to each of the image processing devices. An image processing process including at least one image tuning procedure is executed. In addition, when executing each one of the image tuning procedures, it is to select to upload a predetermined image to a first predetermined image processing procedure location of the currently executed image tuning procedure, or select to download another image from a second predetermined image processing procedure location of the currently executed image tuning procedure.

Abstract: A home position method of a scanning module and a scanner using the same are provided. The home position method includes: scanning a barcode pattern so as to obtain an image, in which the barcode pattern is set in an area and the area is outside of a flatbed scanning window of the scanner; identifying the image so as to determine whether or not the image is an home position pattern; and when the image is determined to be the home position pattern, setting a scan initial line according to the image and moving the scanning module to the scan initial line.