JP2002321425A - Printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save a space in setting a printer, use an installation area efficiently by using a suspension member which enables the printer to be hung to a wall, and simplify setting by letting the suspension member double as a power supply input part. SOLUTION: The suspension member to a partition or the like is arranged detachably or integrally on a side face or a rear face of the printer. The power supply input part is arranged in the inside of the suspension member. A power supply connection to a power supply outlet set at an upper end of the partition is completed simultaneously when the printer is suspended from the partition. When the printer is suspended from a general-purpose partition, since the power supply input part inside the suspension member is constituted to be extensible, the power supply input part can be drawn to a position of a general-purpose power supply outlet to obtain a power supply.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus for forming an image on a transfer material.

Examples of a printing apparatus include a copying machine, a facsimile, an electrophotographic printer (laser beam printer, L
ED printers), video printers (inkjet printers, thermal transfer printers) and the like. The transfer material is sheet paper such as paper and synthetic paper.

[0003]

2. Description of the Related Art FIGS. 7 and 8 show a conventional printing apparatus.

In FIG. 1, A is a printer main body, 1 is an opening / closing cover that opens and closes when a process cartridge (not shown) is attached to / detached from the printer main body A, and 2 is a paper feed tray on which a transfer material P before image formation is stacked.

The transfer material P waiting on the paper feed tray 2
Is supplied by a paper feed roller (not shown), and is conveyed and discharged by a paper discharge roller 3 through a transfer / fixing process.

[0006] As a method of discharging, a face-down discharge in which recording sheets on which images are formed are stacked on the discharge tray 4 in the order of pages, and a discharge tray or a printer in which pages are reversed but the image forming surface can be directly viewed. There is a face-up paper discharge Pa that discharges paper onto a desk C on which the main body A is installed. Generally, face-down discharge is preferred, but since the image forming surface cannot be seen directly, both types can be switched mechanically so that the user can select it.

[0007]

However, in the above conventional example, the area occupied by the apparatus is limited by the installation area S of the printer main body A.
1 and the area S of the face-up paper discharge Pa shown in FIG.
2 and the area S3 of the opening / closing cover 1 that opens and closes when the transfer material P is jammed and when the process cartridge is attached / detached, there is a disadvantage that the convenience of the desk C is impaired when the printing apparatus is installed on the desk C.

It is an object of the present invention to provide a printing device that occupies a small area on a desk.

[0009]

According to the present invention, there is provided a printing apparatus characterized in that a suspending member is provided on an apparatus main body or a suspending member is detachable to achieve the above object.

The hanging member is formed in a hook shape and is provided on a rear surface, a side surface or an upper surface of the main body. By hooking the hook on the upper end of the partition, the printing device can be installed floating above the desk, and the space under the printer body and the openable cover can be effectively used.

The same effect can be obtained even when the suspension member is detachable or foldable, and when the suspension member is selectively installed on a desk or a partition, the usability is further improved.

Further, the same effect can be obtained even when the suspension member is a suction cup, and the suspension member can be fixed to an upright surface such as a side plate of a shelf, so that the installation type can be diversified.

As described above, the present invention proposes a printing apparatus which can utilize the space of the desk C and occupy a small area.

Further, as shown in FIG. 2, desks used in offices are often separated by partitions. Therefore, the power supply unit T bends on the desk, or
The embodiment shown in FIGS. 9, 10, and 11 is proposed in consideration of impairing the appearance.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) An embodiment of the present invention will be described below with reference to the drawings. Here, the overall configuration of the electrophotographic image forming apparatus will be described as a sequence of description.

(Overall Configuration of Apparatus) FIG. 1 is a multiple explanatory view showing the overall configuration of an image forming apparatus having a hook Da for hanging a main body. In the figure, the left side is the “front” of the printer main body A, and the right side is the “rear”.

In FIG. 1, A is a laser beam printer main body A.
And an image is formed by an electrophotographic image forming process. That is, as shown in FIG. 1, a drum-shaped electrophotographic photosensitive drum (hereinafter, referred to as a “photosensitive drum”) 5 of the process cartridge B is charged by a charging unit, and then the photosensitive drum 5 is charged with an optical unit 6. Irradiates a laser beam corresponding to the image information from the above to form a latent image. The latent image is developed by a developing unit to form a toner image.

(Structure of Printer Body) In the printer body A shown in FIG. 1, reference numeral 2 denotes a paper feed tray on which a transfer material P before image formation is stacked, B denotes a photosensitive drum 5, a charging roller (charging means), and a developing device. (Developing unit), process cartridges B formed as cartridges by integrally incorporating a cleaning device (cleaning unit) in a cartridge container, 1 is an opening / closing cover that opens and closes when the process cartridge B is detached from the main body A, and 4 is after image formation. Is a paper discharge tray on which the recording paper is loaded.

First, the transfer material P waiting on the paper feed tray 2 is synchronized with the toner image on the photosensitive drum 5 by the paper feed roller 7 so that the pre-transfer guide 8 is moved.
After that, the toner image on the photosensitive drum 5 is transferred onto the transfer material P by the photosensitive drum 5 and the transfer roller 9 along the pre-transfer guide 8.

Next, the transfer material P to which the toner image has been transferred from the photosensitive drum 5 is guided by a pre-fixing guide 10 and conveyed to fixing means. The fixing unit includes a fixing rotator 11 having a built-in heater, and a pressure roller 12 for pressing and transferring the transfer material P to the rotator 11, and applies heat and pressure to the transfer material P to transfer the transfer toner image. The image is fixed on the transfer material P. The transfer material P is conveyed by the discharge rollers 3 and 13 and discharged to the discharge tray 4.

The discharge method is a face-down discharge Pb in which the transfer material P on which an image is formed is discharged in the order of pages.
Then, there is a face-up paper discharge Pa in which the page is reversed but the image forming surface can be directly viewed. Generally, face-down paper discharge Pb is preferred, but since the image forming surface cannot be viewed directly, both types are switched by the flapper 14 so that the user can select it.

(Installation Type) FIG. 2 shows an installation type in this embodiment.

Here, the hanging member has a hook shape Da and is provided on the upper rear surface of the printer main body A. When installing the printing device, the hook Da is hooked on the upper end of the partition E. Since the printing device can be installed floating above the desk C, the printer body A, the transfer material Pa discharged face-up, and the lower surface when the opening / closing cover 1 is opened are empty, and the space S of the desk C is effectively used. It is possible.

When the printing device is installed on a desk, the retractable hook Db can be stored in the recess 15 so that the convenience of the installation location is further improved.

(Third Embodiment) In the above embodiment, the hanging member may be a chain or a detachable hook Dc (FIG. 4).

When the printer is installed, the detachable hook D
c is engaged with the convex portion 16 provided on the printer main body A and hooked on the upper end of the partition E as in FIG.

When the printing apparatus is installed on a desk, the detachable hook Dc can be removed, so that the installation location is convenient.

(Fourth Embodiment) In the above embodiment, the suspension member may be a suction cup Dd (FIG. 5).

By using the suction member Dd as the suspension member, the printing device can be installed on a wall surface such as a side plate of a shelf, and the installation location is convenient. Since the printer body A has a weight of several kilograms or more, the reliability is further improved if the suction cup used has the pressure increasing plate 17.

FIG. 6 shows the structure of the suction cup. After the suction cup Dd is pressed against the wall of the side plate of the shelf, etc., when the lever 18 is tilted as shown by the arrow, the pressure intensifier plate 17 increases and pushes the suction cup Dd to discharge air, and the edge of the suction cup Dd is reinforced by the pressure intensifier plate 17. To be
A sufficient suction force for suspending the printer body A is obtained.

(Fifth Embodiment) (Attachment Type) Similarly, FIGS. 9A and 9B show an attachment type in the fifth embodiment.

The suspension member Da has a power input portion Db inside. When installing the printing device, the hook Da is hooked while being inserted into a power outlet provided at the upper end of the partition E. Since the power input unit Db is inserted at the same time when the printing apparatus is lifted up from the desk C, the printer body A, the transfer material Pa discharged face-up, and the lower surface when the opening / closing cover 1 is opened are empty. The space S can be effectively used, and the cable is not exposed on the desk C, does not hinder the worker, and does not impair the appearance.

Further, there is no need to insert the power input unit again after installing the printing apparatus, and the installation is extremely simple.

(Sixth Embodiment) In the above embodiment,
This is an embodiment using a cable reel as the extension cord (FIG. 10).

In the apparatus of the fifth embodiment, it is essential that a power supply section is provided at the upper end of the dedicated partition. This embodiment is an embodiment with a view to popularization and mass productivity, and the cable K can be extended to a power supply unit for a panel other than a dedicated panel.

(Seventh Embodiment) In the above embodiment,
This is an embodiment in which a connector for another power source is provided on the hook (FIG. 11).

Regarding the apparatus of the seventh embodiment, the presence of the power supply section above the partition preferably makes it easy to attach the cord section when other appliances are considered.

[0038]

As described above, according to the invention of the present application, it is possible to selectively install a printing apparatus on a desk or from a desk, and to effectively use a space under the printer body and an open / close cover. It can be used according to the convenience of the user.

In addition, the appearance of the space at that time and the positional relationship with peripheral products are given a degree of freedom.

[Brief description of the drawings]

FIG. 1 is a compound diagram showing an overall configuration of a printing apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating an installation format of a printing apparatus according to an embodiment of the present invention.

FIG. 3 is a view of a suspension member according to a second embodiment of the present invention.

FIG. 4 is a view showing a form of a suspension member according to a third embodiment of the present invention.

FIG. 5 is a view showing a form of a suspension member according to a fourth embodiment of the present invention.

FIG. 6 is an operation diagram of a hanging member according to a fourth embodiment of the present invention.

FIG. 7 is a diagram showing an installation type of a conventional printing apparatus.

FIG. 8 is a diagram showing an installation type of a conventional printing apparatus.

FIG. 9 is a view showing a form of a hanging member according to a fifth embodiment of the present invention.

FIG. 10 is a view of a suspension member according to a sixth embodiment of the present invention.

FIG. 11 is a view of a suspension member according to a seventh embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Opening / closing cover 2 Paper feed tray 3 Paper discharge roller 4 Paper discharge tray 5 Photosensitive drum 6 Optical means 7 Paper feed roller 8 Pre-transfer guide 9 Transfer roller 10 Pre-fixation guide 11 Fixing rotating body 12 Pressure roller 13 Paper discharge roller 14 Flapper 15 Concave part 16 Convex part 17 Booster plate 18 Lever A Printer main body B Process cartridge C Desk Da, Db, Dc, Dd Hanging member E Partition P Transfer material Pa Transfer material (face-up discharge) Pb Transfer material (face-down discharge) Paper) K cable F Printer power supply

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kiyoshi Amano 3-30-2 Shimomaruko, Ota-ku, Tokyo Inside Canon Inc. (72) Inventor Yasumi Taba 3-30-2 Shimomaruko, Ota-ku, Tokyo Within non-corporation (72) Inventor Hideki Miyazaki 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. F-term (reference) 2C061 AP03 AP04 AP06 BB01 CD00 DE00 2H071 AA01 AA31 DA34 EA04 4E352 AA02 BB02 BB12 CC05 DD02 DD07 DD08 DD10 DR19 FF01 FF06 FF09 GG15

Claims (6)

[Claims] 1. A printing apparatus comprising: at least one hanging member in a main body of the apparatus; or at least one hanging member being detachable. 2. The printing apparatus according to claim 1, wherein the hanging member has a power input unit. 3. The printing apparatus according to claim 1, wherein an extension cable is attached to the power input unit. 4. A printing apparatus according to claim 1, further comprising a cable storage section between said hanging member and a power supply section of a printing apparatus.
The printing device according to any one of the preceding claims. 5. The printing apparatus according to claim 1, wherein a power input unit or a cable member is arranged on a back surface of the hanging member. 6. The printing apparatus according to claim 1, wherein a power input unit or a cable member is disposed on a surface of the hanging member.