Cleaning device and image forming apparatus using same

Patent metadata

Field	Value
Publication number	US-2020310333-A1
Application number	US-201916556452-A
Country	US
Kind code	A1
Filing date	Aug 30, 2019
Priority date	Mar 27, 2019
Publication date	Oct 1, 2020
Grant date	—

Abstract

A cleaning device that cleans a surface of an image holding unit capable of holding an image formed using an image forming material includes: a cleaning tool that is movable along an intersecting direction intersecting with a moving direction of the image holding unit and cleans the surface of the image holding unit when placed in a contact position where the cleaning tool is in contact with the surface of the image holding unit; and a guiding unit that guides the cleaning tool so that the cleaning tool moves from a non-contact position where the cleaning tool is not in contact with the image holding unit to the contact position for cleaning the surface of the image holding unit, wherein when the image holding unit is moved, the cleaning tool placed in the contact position cleans the surface of the image holding unit.

First claim

1 . A cleaning device comprising:
a cleaning tool that is movable along an intersecting direction intersecting with a moving direction of an image holding unit and cleans a surface of the image holding unit if the cleaning tool is placed in a contact position where the cleaning tool is in contact with the surface of the image holding unit; and a guide configured to guide the cleaning tool so that the cleaning tool moves from a non-contact position, where the cleaning tool is not in contact with the image holding unit, to the contact position for cleaning the surface of the image holding unit, wherein the cleaning device is configured such that, if the image holding unit is moved, the cleaning tool placed in the contact position cleans the surface of the image holding unit without moving.

2 . The cleaning device according to claim 1 , wherein the cleaning tool comprises:
a cleaning member that comes into contact with the surface of the image holding unit, and a support member configured to support the cleaning member, wherein the support member comprises a grip portion configured for gripping by a user, and wherein the support member protrudes from a region of the cleaning member.

3 . The cleaning device according to claim 2 , wherein the cleaning member includes a material that is elastically deformable if placed in the contact position and brought into contact with the surface of the image holding unit.

4 . The cleaning device according to claim 1 , wherein the guide comprises a holding portion on which the cleaning tool is detachably held,
wherein the holding portion is configured to guide the cleaning tool so that the cleaning tool can be inserted to and drawn from one end of the image holding unit in the intersecting direction, and wherein the holding portion is configured to hold the cleaning tool in the non-contact position during a period from an insertion start position in which the cleaning tool starts to face a peripheral surface of the image holding unit to immediately before the cleaning tool reaches an insertion completion position in which the cleaning tool is completely inserted to face the peripheral surface of the image holding unit and to hold the cleaning tool in the contact position at a stage if the cleaning tool reaches the insertion completion position.

5 . The cleaning device according to claim 4 , wherein the guide is configured to guide the cleaning tool to a step portion formed at a terminal end of the holding portion, and
wherein the guide is configured to hold the cleaning tool in the contact position at the stage if the cleaning tool reaches the insertion completion position.

6 . The cleaning device according to claim 4 , wherein the guide is configured to allow the cleaning tool to be pulled out and kept in contact with the peripheral surface of the image holding unit if the cleaning tool is pulled out from the insertion completion position to the insertion start position.

7 . An image forming apparatus comprising:
at least one image holding unit capable of holding an image formed using an image forming material; a transfer unit configured to transfer the image held by the image holding unit to a transfer medium; a first cleaning unit configured to remove a residue on the image holding unit; a second cleaning unit configured to clean a surface of the image holding unit after cleaning by the first cleaning unit; and a notification unit configured to notify the second cleaning unit of a cleaning time, wherein the second cleaning unit comprises:
a cleaning tool that is movable along an intersecting direction intersecting with a moving direction of the image holding unit and cleans the surface of the image holding unit if the cleaning tool is placed in a contact position where the cleaning tool is in contact with the surface of the image holding unit; and
a guide configured to guide the cleaning tool so that the cleaning tool moves from a non-contact position, where the cleaning tool is not in contact with the image holding unit, to the contact position for cleaning the surface of the image holding unit,
wherein the image forming apparatus is configured such that, if the image holding unit is moved, the cleaning tool placed in the contact position cleans the surface of the image holding unit.

8 .- 10 . (canceled)

11 . The image forming apparatus according to claim 7 , further comprising:
a detection unit configured to detect a state of any deposit on the surface of the image holding unit, wherein the notification unit is configured to notify the cleaning unit of the cleaning time based on a result of detection by the detection unit.

12 . An image forming apparatus comprising:
at least one image holding unit capable of holding an image formed using an image forming material; a transfer unit configured to transfer the image held by the image holding unit to a transfer medium; a first cleaning unit configured to remove a residue on the image holding unit a second cleaning unit configured to clean a surface of the image holding unit after cleaning by the first cleaning unit and a notification unit configured to notify the second cleaning unit of a cleaning time, wherein the second cleaning unit comprises:
a cleaning tool that is movable along an intersecting direction intersecting with a moving direction of the image holding unit and cleans the surface of the image holding unit if the cleaning tool is placed in a contact position where the cleaning tool is in contact with the surface of the image holding unit;
a guide configured to guide the cleaning tool so that the cleaning tool moves from a non-contact position, where the cleaning tool is not in contact with the image holding unit, to the contact position for cleaning the surface of the image holding unit; and
a position detection unit configured to determine whether or not the cleaning tool is placed in the contact position,
wherein the cleaning tool is configured such that, if the position detection unit detects that the cleaning tool is placed in the contact position, the cleaning tool placed in the contact position cleans a moving surface of the image holding unit.

13 . The image forming apparatus according claim 12 , wherein the second cleaning unit includes a position detection unit configured to determine whether or not the cleaning tool is placed in the contact position, and
wherein the image forming apparatus is configured such that regular image forming processing is performed if the position detection unit detects that the cleaning tool is not placed in the contact position.

Assignees

• Fuji Xerox Co Ltd

Inventors

• Sato Keiichiro

Classifications

• G03G2215/1661

  of transfer belt · CPC title

• G03G21/007 Primary

  Arrangement or disposition of parts of the cleaning unit · CPC title

• G03G2221/0015

  Width of cleaning device related to other parts of the apparatus, e.g. transfer belt width · CPC title

• G03G15/161

  with means for handling the intermediate support, e.g. heating, cleaning, coating with a transfer agent · CPC title

• G03G15/0225

  provided with means for cleaning the charging member · CPC title