Imaging device of correcting longitudinal alignment, and its correction method

An imaging device and page printing technology, which is applied to the equipment of the electric recording process using the charge pattern, the electric recording process using the charge pattern, and pile separation, etc., can solve the printing page overshoot and the feed error value cannot be corrected accurately And other issues

CN1660594AInactive Publication Date: 2005-08-31SAMSUNG ELECTRONICS CO LTD
1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2005-08-31
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

An image forming device has a first calculator applying any one of setting values for plural alignment patterns pre-set corresponding to magnitudes of feeding error values according to feeding amounts of a printing sheet of paper by feeding rollers and calculating first correction values for the feeding error values depending upon operation modes, a second calculator calculating second correction values for the feeding error values depending upon the printing sheet, and a controller controlling the feeding rollers to be driven to correct the feeding error values depending upon the operation modes and the printing sheet using the first and second correction values calculated by the first and second calculators. Accordingly, the image forming device can correct the feeding error values depending upon the operation modes, the printing sheet, and the printing position sections, thereby obtaining a best quality images in the respective modes.
Need to check novelty before this filing date? Find Prior Art

Description

[0001] This patent application is a divisional application of the patent application with the filing date of May 26, 2003, the application number of 03137838.2, and the title of "imaging device for correcting vertical alignment and its correction method". technical field

[0002] The present invention relates to an imaging device, in particular to an imaging device capable of correcting longitudinal alignment, and a correction method thereof. Background technique

[0003] Generally speaking, an image forming apparatus such as a photocopier, a scanner, a printer, etc. picks up a sheet of printing paper one by one from a paper supply cassette, transfers the printing sheet through a predetermined conveying path, and moves the printing sheet to a driving feeding roller (feeding roller). roller) to feed the feeding position of the printed page. The feeding roller driven by the controller according to the printing command conveys the printing page at the feeding position at an app...

Examples

Embodiment Construction

[0031] Preferred embodiments of the invention, examples of which are shown in the accompanying drawings, will now be described in detail, wherein like reference numerals refer to like parts throughout. The embodiments are described in order to explain the present invention by referring to the figures.

[0032] In general, image forming devices such as printers are classified into C-type path (front input / front output), box-type (bin) path (rear input / front output) and Single Sheet Input (SSI) or manual path, and according to an embodiment of the present invention, in figure 1 An inkjet printer 200 with a C-shaped path is described in and 4.

[0033] Such as figure 1 As shown, the inkjet printer 200 includes an interface 10, a storage section 20, a calculator 30, a head driver 40, a motor driver 50, a detector 60, an input section 70, a controller 80, and the like.

[0034] The interface 10 receives print data and a print command from a computer (PC) 100 , and stores the rec...