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Printer device

A technology for printers and relative configuration, applied to printing devices, printing, etc., which can solve problems such as rising costs of skew sensors, inability to detect paper, and skew sensor errors

Inactive Publication Date: 2014-08-06
TOSHIBA TEC KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when using narrow paper, only one skew sensor cannot detect the paper
In this case, there is a problem that even if it is not in a skewed state, it is detected as a skew sensor error and narrow paper cannot be used.
This creates a new problem of cost increase due to the increase in the number of skew sensors

Method used

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Experimental program
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no. 1 approach ）

[0022] figure 1 shows the first embodiment related to the printer device, and figure 1 It is a side view showing a part of the case cut away. figure 1 Take the commercial machine 100 installed with a printer device as an example.

[0023] A display 11 is mounted on the front of the housing 10 . A keyboard 20 as an input device is disposed below the display 11 . In the area between the keyboard 20 and the display 11 of the housing 10, a paper feed port 12 for feeding the paper S1 is formed.

[0024] A paper discharge port 13 connected (communicated) with the paper feed port 12 is provided on the upper surface of the housing 10 . On the back side of the paper discharge port 13, a rear paper feed port 14 for supplying web-shaped continuous paper S2 is provided. Further, a paper discharge tray 15 is mounted on the upper surface of the housing 10 . The paper discharge tray 15 is located behind the paper discharge port 13 and holds the sheets S2 discharged from the paper discha...

no. 2 approach ）

[0069] Figure 8 It is a figure explaining the 2nd Embodiment concerning a printer apparatus. In this embodiment, a third skew sensor SS3 capable of detecting narrow paper is provided downstream of the first skew sensor SS1 and the second skew sensor SS2 in the direction of the printer unit. Then, after the first skew sensor SS1 detects the paper S1, the conveyance of the paper S1 is continued, and the paper S1 is detected first by the second skew sensor SS2 or the third skew sensor SS3, and it is determined that the paper is a normal size paper. The skew error is still the feeding of paper with a narrow width size.

[0070] Below, combine Figure 9 The skew inspection according to this embodiment will be described along with the flow chart of FIG. Additionally, for Figure 7 The same processing is marked with the same symbol, and the description here is an explanation of different processing.

[0071] In Act 3 , the stepping motor 46 is continuously driven after the firs...

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Abstract

The invention provides a printer device realizing reliable skewed detection of narrow paper with few skewed sensors, and a printing method of the printer device. A step number of stepper motors from open of a first skewed sensor to open of a second skewed sensor among the first skewed sensor and the second skewed sensor which are arranged along a width direction of the paper is set as X and a preset allowable step number is set as X1. When the step number X is larger than the allowable step number X1, a skewed error is regarded as existence and the paper is returned to a paper feeding position; and when the step number X is smaller than the allowable step number X1, the skewed error is regarded as non-existence and the paper is printed. Besides, a preset upper limit step number is Xmax; the skewed error is regarded as existence and the paper is returned to a paper feeding position when the step number X is smaller than the upper limit step number Xmax; and the skewed error is regarded as non-existence and the paper is printed when the step number X is larger than the upper limit step number Xmax.

Description

technical field [0001] Embodiments of the present invention relate to a printer device including a skew checking function. Background technique [0002] Conventionally, research has been conducted on a system that has a function of checking that the printing direction is skewed (inclined) relative to the edge of the paper due to oblique feeding of the paper. Skew errors are detected by calculating the angle with respect to the predetermined posture of the paper using the deviation time between the detection timings of the two skew sensors and the conveying speed of the single paper using the stepping motor. [0003] However, when narrow paper is used, the paper cannot be detected by only one skew sensor. In this case, there is a problem that even if it is not in a skewed state, it is detected as a skew sensor error and narrow paper cannot be used. [0004] In order to solve this problem, it is conceivable to increase the number of skew sensors and narrow the installation i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J11/00
CPCB41J11/00B41J11/0055
Inventor 岩城贵久
Owner TOSHIBA TEC KK
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