JP2017052572A5

JP2017052572A5 -

Info

Publication number: JP2017052572A5
Application number: JP2015175719A
Authority: JP
Filing date: 2015-09-07
Publication date: 2018-11-01
Anticipated expiration: 2035-09-07

Description

（１）記録材が積載される積載部と、前記積載部に積載された記録材のサイズを設定する設定手段と、前記積載部に積載された記録材を搬送路に給紙する給紙手段と、前記給紙手段を駆動する駆動手段と、前記駆動手段を制御する制御手段と、を備え、前記制御手段は、前記給紙手段が記録材を給紙できない状態から給紙できる状態になった後の最初の１枚目の記録材を給紙する際の前記駆動手段を駆動する時間を、前記設定手段により設定された記録材のサイズにかかわらず、所定のサイズの記録材を給紙する際の前記駆動手段を駆動する時間に決定することを特徴とする画像形成装置。
（２）記録材が積載される積載部と、前記積載部に積載された記録材のサイズを設定する設定手段と、前記積載部に積載された記録材を搬送路に給紙する給紙手段と、前記給紙手段を制御する制御手段と、を備え、前記制御手段は、前記給紙手段が記録材を給紙できない状態から給紙できる状態になった後の最初の１枚目の記録材を前記給紙手段により搬送する距離を、前記設定手段により設定された記録材のサイズにかかわらず、所定のサイズの記録材を前記給紙手段により搬送する距離に決定することを特徴とする画像形成装置。 (1) A stacking unit on which the recording material is stacked, a setting unit that sets a size of the recording material stacked on the stacking unit, and a sheet feeding unit that feeds the recording material loaded on the stacking unit to a conveyance path And a drive means for driving the paper feed means and a control means for controlling the drive means, the control means being able to feed from a state in which the paper feed means cannot feed the recording material. the time for driving the driving means at the time of feeding the first sheet of recording material after, regardless of the set size of the recording material by said setting means, paper feeding of the recording material of a predetermined size An image forming apparatus, wherein the time for driving the driving unit is determined .
(2) A stacking unit on which the recording material is stacked, a setting unit that sets a size of the recording material stacked on the stacking unit, and a sheet feeding unit that feeds the recording material loaded on the stacking unit to a conveyance path And a control means for controlling the paper feed means, the control means for recording the first first sheet after the paper feed means is able to feed a recording material from a state where the recording material cannot be fed. The distance for conveying the material by the sheet feeding unit is determined to be the distance for conveying the recording material of a predetermined size by the sheet feeding unit regardless of the size of the recording material set by the setting unit. Image forming apparatus.

Claims

A loading section on which recording materials are loaded;
Setting means for setting the size of the recording material loaded on the loading section;
A paper feeding means for feeding the recording material loaded on the stacking unit to the conveyance path;
Driving means for driving the paper feeding means;
Control means for controlling the drive means;
With
The control means sets the time for driving the driving means when feeding the first recording material after the paper feeding means cannot feed the recording material from the state where the recording material can be fed. image forming apparatus and determines the set regardless set size of the recording material by means of time for driving the driving means at the time of feeding the recording material of a predetermined size.

In the conveyance direction of the recording material, provided on the downstream side of the paper feeding unit, provided with a detection unit for detecting the conveyed recording material,
Wherein the control means, the size of the recording material which has been set by said setting means, if the size of the detection results based the detected recording material of the sensing means are the same, before Symbol first recording medium 2. The image according to claim 1, wherein a time for driving the driving unit when feeding the second and subsequent recording materials is determined based on a size of the recording material set by the setting unit. Forming equipment.

A loading section on which recording materials are loaded;
Setting means for setting the size of the recording material loaded on the loading section;
A paper feeding means for feeding the recording material loaded on the stacking unit to the conveyance path;
Control means for controlling the paper feeding means;
With
The control means sets the distance by which the first recording material is transported by the paper feeding means after the paper feeding means is in a state where paper cannot be fed from the state where the recording material cannot be fed by the setting means. regardless set size of the recording material, the image forming apparatus characterized by determining the distance conveyed by the paper feeding means of the recording material of a predetermined size.

In the conveyance direction of the recording material, provided on the downstream side of the paper feeding unit, provided with a detection unit for detecting the conveyed recording material,
Wherein the control means, the size of the recording material which has been set by said setting means, if the size of the detection results based the detected recording material of the sensing means are the same, before Symbol first recording medium 4. The image forming apparatus according to claim 3, wherein a distance by which the second and subsequent recording materials are conveyed by the paper feeding unit is determined based on a size of the recording material set by the setting unit.

The image forming apparatus according to claim 4, further comprising a driving unit that drives the paper feeding unit.

6. The recording medium according to claim 1, wherein the predetermined size is a size of the smallest recording material among the sizes of the recording materials permitted to be used in the image forming apparatus. The image forming apparatus described in 1.

The image forming apparatus according to claim 1, wherein the stacking unit is a cassette that is detachable from the image forming apparatus.

8. The condition according to which the paper feeding unit is in a state in which a recording material cannot be fed from a state in which the recording material cannot be fed is that the cassette is pulled out from the image forming apparatus and set again. The image forming apparatus described.

When the size of the recording material set by the setting unit and the size of the recording material detected based on the detection result of the detection unit do not match, the control unit is configured to detect that the stacking unit does not match. from the time of driving the drive means at the time of feeding the first sheet of recording material is fed, irrespective of the set size of the recording material by said setting means, feeding the recording material of the predetermined size The image forming apparatus according to claim 2, wherein the time for driving the driving unit when paper is used is determined .

When the size of the recording material set by the setting unit and the size of the recording material detected based on the detection result of the detection unit do not match, the control unit is configured to detect the mismatch and detect the stacking unit. from the distance of conveying by the drive means at the time of feeding the first sheet of recording material is fed, irrespective of the set size of the recording material by said setting means, feeding the recording material of the predetermined size The image forming apparatus according to claim 5, wherein the distance is determined by the driving unit when paper is fed.

A display unit for displaying information on the image forming apparatus;
The control means does not match the size of the recording material when the size of the recording material set by the setting means and the size of the recording material detected based on the detection result of the detecting means do not match. The image forming apparatus according to claim 9, wherein the information is displayed on the display unit.

The image forming apparatus according to claim 1, wherein the stacking unit is a tray for manually feeding paper.

Based on information for setting the size of the recording material loaded on the loading unit, a display unit that displays candidates for the size of the recording material loaded on the loading unit;
An operation unit operated to determine the size of the recording material from among the candidates displayed on the display unit;
With
The setting means sets the size of the recording material stacked on the stacking unit when the size of the recording material is determined from the candidates displayed on the display unit by operating the operation unit. The image forming apparatus according to claim 12.

The image forming apparatus according to claim 13, wherein the condition for the sheet feeding unit to be able to feed a recording material from a state where the recording material cannot be fed is that the recording material is set on the tray.

A conveyance unit that is provided downstream of the detection unit in the conveyance direction of the recording material and conveys the recording material together with the paper feeding unit;
A one-way clutch provided between the paper feeding means and the driving means;
Have
Said control means, so as to pull out the recording medium from the paper feed unit, to claim 2 or claim 5, characterized in that for conveying the recording material by said conveying means also after stopping the driving means The image forming apparatus described.

The paper feed means has a paper feed pickup roller that feeds the recording material in contact with the recording material,
When feeding a plurality of recording materials continuously, the feeding pickup roller is configured to start feeding the first recording material until the last recording material of the plurality of recording materials is fed. The image forming apparatus according to claim 1, wherein the image forming apparatus is in contact with a recording material.