JP2017123556A5

JP2017123556A5 -

Info

Publication number: JP2017123556A5
Application number: JP2016001380A
Authority: JP
Filing date: 2016-01-06
Publication date: 2019-03-14
Anticipated expiration: 2036-01-06

Description

（１）画像形成装置により画像が定着された記録シートの搬送経路上に設けられ、前記記録シートの搬送方向と直交する幅方向の所定位置に定められる第１領域の色を読み取る色読取部と、前記色読取部の測定値を補正するための温度を測定する温度測定部であって、前記搬送経路上に設けられ、前記第１領域と前記搬送方向の位置が同じであり前記幅方向の位置が異なる第２領域の温度を測定する温度測定部と、を有する、画像読取装置。
（２）さらに、前記第１領域の上流側の前記搬送経路上に設けられ、前記記録シートの幅よりも狭い幅を有し、前記記録シートを挟持して前記色読取部に搬送する搬送ローラー対を有し、前記搬送ローラー対は、前記第１領域を通過する記録シートの第１部分と前記第２領域を通過する記録シートの第２部分の両方を挟持する、または、前記第１部分と前記第２部分のいずれも挟持しないように配置されている、上記（１）に記載の画像読取装置。 (1) a color reading unit that is provided on a conveyance path of a recording sheet on which an image is fixed by the image forming apparatus and reads a color of a first region that is defined at a predetermined position in a width direction orthogonal to the conveyance direction of the recording sheet; A temperature measuring unit for measuring a temperature for correcting the measurement value of the color reading unit, the temperature measuring unit being provided on the transport path, wherein the position in the transport direction is the same as the first region. And a temperature measuring unit that measures the temperature of the second region having a different position.
(2) In addition, before SL provided on the upstream side the transport path of the first region, conveying said width of the recording sheet has a width smaller than, conveyed to the color reader unit by sandwiching the recording sheet A pair of rollers, the conveying roller pair sandwiching both the first portion of the recording sheet passing through the first region and the second portion of the recording sheet passing through the second region, or the first The image reading apparatus according to (1), wherein the image reading device is disposed so as not to sandwich both the portion and the second portion.

（３）さらに、前記第１領域の上流側の前記搬送経路上に設けられ、前記記録シートの幅よりも狭い幅を有し、前記記録シートを挟持して前記色読取部に搬送する複数の搬送ローラー対を有し、
前記複数の搬送ローラー対は、前記第１領域を通過する記録シートの第１部分を挟持する搬送ローラー対の数と、前記第２領域を通過する記録シートの第２部分を挟持する搬送ローラー対の数とが同じであるように配置されている、上記（１）に記載の画像読取装置。 (3) In addition, pre-SL is provided on the conveying path on the upstream side of the first region has a width narrower than the width of the recording sheet, a plurality of conveying to the color reader unit by sandwiching the recording sheet A pair of transport rollers,
The plurality of transport roller pairs includes a number of transport roller pairs that sandwich the first portion of the recording sheet that passes through the first region, and a transport roller pair that sandwiches the second portion of the recording sheet that passes through the second region. The image reading apparatus according to (1), wherein the image reading apparatus is arranged so that the number of the same is the same.

（４）前記記録シートの前記第２部分には、前記記録シートの前記第１部分と同じ画像が形成されている、上記（２）または（３）に記載の画像読取装置。 ( 4 ) The image reading apparatus according to ( 2 ) or ( 3 ), wherein the same image as the first portion of the recording sheet is formed on the second portion of the recording sheet.

（５）前記記録シートの前記第２部分には、画像が形成されていない、上記（２）または（３）に記載の画像読取装置。 ( 5 ) The image reading apparatus according to ( 2 ) or ( 3 ), wherein no image is formed on the second portion of the recording sheet.

（６）前記色読取部の上流側の前記搬送経路上に設けられ、前記記録シートの前記幅方向の全域を読み取る画像読取部をさらに有し、前記搬送ローラー対は、前記色読取部と前記画像読取部との間に設けられている、上記（２）〜（５）のいずれか１つに記載の画像読取装置。 ( 6 ) The image forming apparatus further includes an image reading unit that is provided on the conveyance path on the upstream side of the color reading unit, and that reads the entire area in the width direction of the recording sheet. The image reading apparatus according to any one of ( 2) to (5 ), provided between the image reading unit and the image reading unit.

（７）前記画像形成装置が記録シート上に画像を定着して前記色読取部が前記画像の色を読み取る処理を開始する前に、前記画像読取装置内を所定サイズ以下の記録シートが搬送されている場合、所定時間を空けてから、前記処理が開始される、上記（１）〜（６）のいずれか１つに記載の画像読取装置。 ( 7 ) Before the image forming apparatus fixes the image on the recording sheet and the color reading unit starts the process of reading the color of the image, a recording sheet having a predetermined size or less is conveyed through the image reading apparatus. The image reading apparatus according to any one of (1) to ( 6 ), wherein the processing is started after a predetermined time has elapsed.

（８）記録シート上に画像を形成する画像形成部と、前記画像形成部により記録シート上に形成された画像を定着する定着部とを有する画像形成装置と、上記（１）〜（７）のいずれか１つに記載の画像読取装置と、を有する画像形成システム。 ( 8 ) An image forming apparatus including an image forming unit that forms an image on a recording sheet, and a fixing unit that fixes an image formed on the recording sheet by the image forming unit, and (1) to ( 7 ) above. An image forming system comprising: the image reading apparatus according to any one of the above.

Claims

A color reading unit that is provided on a conveyance path of a recording sheet on which an image is fixed by the image forming apparatus and reads a color of a first region that is defined at a predetermined position in a width direction orthogonal to the conveyance direction of the recording sheet;
A temperature measurement unit that measures a temperature for correcting a measurement value of the color reading unit, and is provided on the conveyance path, and the position in the width direction is the same as the first region and the position in the conveyance direction. And a temperature measuring unit that measures the temperatures of the second regions having different values.

Furthermore, prior SL provided on the upstream side the transport path of the first region, the width of the recording sheet has a width narrower than the width of the conveying roller pair for conveying the color reading unit by sandwiching the recording sheet Have
The conveyance roller pair holds both the first portion of the recording sheet passing through the first region and the second portion of the recording sheet passing through the second region, or the first portion and the second portion. The image reading apparatus according to claim 1, which is arranged so as not to sandwich any of the above .

Furthermore, prior SL is provided on the conveying path on the upstream side of the first region, said has a width smaller than the width of the recording sheet, a plurality of conveying rollers for conveying by sandwiching the recording sheet in the color reader Have a pair ,
The plurality of transport roller pairs includes a number of transport roller pairs that sandwich the first portion of the recording sheet that passes through the first region, and a transport roller pair that sandwiches the second portion of the recording sheet that passes through the second region. The image reading apparatus according to claim 1, wherein the image reading apparatus is arranged so that the number of the same is the same.

Wherein the second portion of the recording sheet, the same image as the first portion of the recording sheet is formed, the image reading apparatus according to claim 2 or 3.

Wherein the second portion of the recording sheet, the image is not formed, the image reading apparatus according to claim 2 or 3.

An image reading unit that is provided on the conveyance path on the upstream side of the color reading unit and that reads the entire area in the width direction of the recording sheet;
The image reading apparatus according to claim 2 , wherein the conveyance roller pair is provided between the color reading unit and the image reading unit.

When a recording sheet having a predetermined size or less is conveyed through the image reading apparatus before the image forming apparatus fixes the image on the recording sheet and the color reading unit starts the process of reading the color of the image. from at predetermined time, the process is started, the image reading apparatus according to any one of claims 1-6.

An image forming apparatus comprising: an image forming unit that forms an image on a recording sheet; and a fixing unit that fixes an image formed on the recording sheet by the image forming unit;
An image reading device according to any one of claims 1 to 7 ,
An image forming system.