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Image forming apparatus

An imaging device and imaging technology, applied in printing, printing devices, etc., can solve problems such as the complexity of the alignment adjustment process

Active Publication Date: 2012-06-27
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, providing a plurality of paper sensors for detecting the leading edge of paper requires alignment adjustment for each paper sensor, thus complicating the process of alignment adjustment

Method used

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Examples

Experimental program
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Embodiment Construction

[0054] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. An exemplary imaging device according to an embodiment of the present invention will be referred to figure 1 with figure 2 Explained below. figure 1 is a side view of mechanical components of an exemplary imaging apparatus according to an embodiment of the present invention. figure 2 yes figure 1 Plan view of mechanical parts shown.

[0055] In the exemplary image forming apparatus, the carriage 3 is supported by a guide unit including a guide bar 1 and a guide rail 2 between left and right side plates (not shown) so that to swipe. Bay 3 via the figure 2 The timing belt 5 extending between the drive pulley 6 a and the driven pulley 6 b shown is moved in the main scanning direction by the main scanning motor 4 . A guide sleeve (bearing) 3 a is provided between the bracket 3 and the guide rod 1 .

[0056] On the carriage 3, four recording heads 7 ...

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Abstract

An image forming apparatus that forms an image on a recording medium by conveying the recording medium in a direction orthogonal to a scanning direction of a carriage having a recording head includes a first detecting unit mounted on the carriage and configured to detect the recording medium; a second detecting unit placed upstream from the first detecting unit in the direction that the recordingmedium is conveyed and configured to detect the recording medium; and a control unit configured to control operations of the image forming apparatus based on a detection result from the first detecting unit or the second detecting unit.

Description

technical field [0001] The present invention relates generally to an imaging device, and more particularly to an imaging device having one or more recording heads mounted on a carriage. Background technique [0002] A serial image forming apparatus is a type of image forming apparatus including a printer, a facsimile, a copier, a plotter, or a multifunction copier that has the functions of a printer, a facsimile, and a copier. A serial type image forming apparatus generally includes one or more recording heads (print heads) mounted on a carriage, made of a droplet jetting head that ejects droplets of a recording liquid such as ink. In this serial image forming apparatus, the carriage moves to sequentially scan recording media (hereinafter referred to as paper, but not limited to paper, and may also be called is recording paper, transfer medium, printing medium, etc.); and the recording medium is intermittently conveyed one recording width at a time. An image is formed (rec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J11/42B41J2/01B41J13/02B41J21/00B41J29/42B41J29/46
Inventor 小暮成一井本晋司
Owner RICOH KK