JP2506220Y2 - Printer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a printer, and more particularly, to a layout structure of an operation unit for centrally managing the entire apparatus and instructing various operations. .

[Prior Art] Generally, in a printer, an operation section for centrally managing the entire apparatus and instructing various operations is generally provided on the main operation surface side of the apparatus. In recent years, toner cartridge replacement, paper jam processing, and the like are performed from the same surface, and that surface is used as the main operation surface, which has improved operability and installability.

[Problems to be Solved by the Invention] However, when the insertion of the paper feed cassette, the replacement of the toner cartridge, the jam processing of the paper and the like are performed from the same side, there is an opening / closing cover for the main body of the apparatus, Since the devices are centrally located on the main operation surface side of the device, including this open / close cover, the degree of freedom in arranging the operation part is reduced, and the external dimensions of the device main body are enlarged for the operation part. I had no choice but to do it.

In the laser beam printer shown in FIG. 4, the right side surface is the main operation surface, and the paper in the lower right paper feed cassette 13 of the printer main body passes from the paper feed roller 10 through the registration roller 16 to the transfer charger 14. After the toner image is transferred with, the paper is passed through a fixing device composed of a heating roller 5 and a pressure roller 6, and is discharged from a paper discharge roller 12 provided at the upper left of the printer main body to a lower right inclined paper provided at the top of the printer main body. The paper that has already been fixed on is ejected. In order to prevent the external dimensions of the printer from increasing, an operating unit 3 for centrally managing the entire printer and instructing various operations is provided in the front and rear direction on the upper outside of the right side of the printer housing without the paper feeding system. Although it is arranged along the (depth direction of the printer),
From the viewpoint of operability, the arrangement position of the operation unit 3 is limited, and the operation unit 3
There was a drawback that it was restricted by the size of.

An object of the present invention is to provide a printer that does not increase the outer dimensions of the entire apparatus, has good operability, and is not restricted by the size of the operation unit.

[Means for Solving the Problems] In order to solve the above problems, a printer according to the present invention is a printer that forms an image on a recording member, and includes a device body, a photosensitive drum, and a toner image formed on the photosensitive drum. Provided on one side of the apparatus main body, which has a transfer unit for transferring to the recording member and a fixing unit for fixing the toner image transferred to the recording member by the transfer unit to the recording member. An image forming unit, and a discharge tray provided on the upper surface of the apparatus main body for stacking recording members discharged from one side to the other side of the upper surface of the apparatus main body after image formation by the image forming unit; An opening / closing unit that is opened and closed with respect to the apparatus main body so that the recording member ejected to the ejection tray opens in a direction opposite to the ejection direction with the lower part of one side of the apparatus main body as a pivot. The cover and the upper part of the one side portion of the apparatus main body, extending in the front-rear direction of the apparatus main body, above the portion where the recording members after image formation discharged onto the discharge tray are stacked, and the recording member discharge And an operation unit of the apparatus main body provided on the upstream side in the direction.

[Embodiment] The present invention will be described in detail below based on an embodiment shown in the drawings.

1 is a perspective view showing a first embodiment of a printer according to the present invention, FIG. 2 is a sectional view thereof, and FIG. 3 is a sectional view of the printer with its cover opened.

This printer is a laser beam printer, and is provided with a cover 1 which can be opened and closed with a lower part of one side of the apparatus main body A as a pivot, a paper feed tray 11, a paper feed roller 10, and a heating roller 5.
Further, a fixing device including a pressure roller 6, a transfer roller 9, and a paper discharge roller 12 are provided. Here, as shown in FIGS. 2 and 3, the cover 1 is designed to open in a direction opposite to the discharge direction of the recording member discharged to the discharge tray 2 described later. Further, the apparatus main body A accommodates various known devices and electronic circuits for the copying process such as the photosensitive drum 7 and the toner cartridge 8, and the upper surface of the housing of the apparatus main body A is ejected and fixed. It is used as a paper discharge tray 2 on which the paper 4 is placed. Therefore, as shown in FIG. 2, the sheet 4 fed from the lower side by the sheet feeding roller 10 is conveyed upward, and the toner image formed on the photosensitive drum 7 is first transferred by the transfer roller 9 and then the toner image is transferred. After the toner image is fixed by the fixing device, it is conveyed to the upper end of the cover 1, and the paper discharge roller provided at the upper end of the cover 1.
The sheet is discharged onto the sheet discharge tray 2 by 12. Then, the cover 1 is opened and the paper 4 is jammed and the toner cartridge 8 is replaced.

On the other hand, at the upper part of one side of the housing of the apparatus main body A, there is an opening 17 through which the discharged paper 4 can pass, and the opening 17 extends across a direction intersecting the discharge direction of the paper 4 of the apparatus main body. An arch portion 18 is provided, and the arch portion 18 is provided with a display portion such as a liquid crystal panel and an operation portion 3 including various keyboards. Here, as shown in FIGS. 2 and 3, the operation portion 3 is located above the portion of the discharge tray 2 on which the discharged recording members after copying are stacked and on the upstream side in the recording member discharging direction. As described above, it is provided so as to extend in the front-back direction of the apparatus main body. Also, the output tray 2
As shown in FIG. 2, one side portion (right side portion in the figure) is formed in a low inclined structure, and the operation portion 3 and the upper end of the paper discharge tray 2 are at the same level.

Therefore, according to the present embodiment, the operability of the operating portion 3 is not hindered, and the operating portion 3 is filled to the full length of the arch portion 18.
The size of the apparatus main body is not restricted by the size, and the length of the apparatus main body in the front-rear direction is the length of the photosensitive drum 7 plus the required length. There is no need to add extra dimensions for the front operating part of the body.

Further, when the operating section 3 is provided on the cover 1, it is necessary to connect the cable to the apparatus main body, but since the operating section 3 is provided on the apparatus main body A, the cable connection can be omitted.

[Advantages of the Invention] As described above, according to the present invention, the operation of taking out the recording member after the image formation from the discharge tray and the operation of the printer main body by the operation unit are performed without increasing the outer dimensions of the main body of the apparatus. It is possible to obtain an operation section that can be concentrated and is wide and easy to use.

In addition, according to the present invention, it is possible to realize the downsizing of the device body and the improvement of the operability of the device. This is because, according to the present invention, the operation unit is provided over the portion of the discharge tray on which the discharged recording members after copying are stacked to realize the downsizing of the main body of the apparatus. Operation is performed by setting the opening direction (opening in the direction opposite to the recording member discharge direction) and the installation position of the operation part (upstream side with respect to the recording member discharge direction) to the front side of one side of the device body. This is because it is possible to improve the sex.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of a printer according to the present invention, and FIG.
FIG. 4 is a sectional view showing the same, FIG. 3 is a sectional view showing a state in which the cover is opened, and FIG. 4 is a schematic sectional view of a conventional printer. 1: Cover, 2: Paper ejection tray 3: Operation part, 4: Paper 5: Heating roller, 6: Pressure roller 7: Photosensitive drum, 8: Toner cartridge 9: Transfer roller, 10: Paper feed roller 11: Paper feed Tray, 12: Paper output tray 13: Paper feed cassette, 17: Opening 18: Arch

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Seiji Sagara 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (56) References JP-A-60-25370 (JP, A) Shoukai Sho 60 -159758 (JP, U) Actually opened 63-60150 (JP, U)

Claims (2)

(57) [Scope of utility model registration request] 1. A printer for forming an image on a recording member, an apparatus main body, a photosensitive drum, a transfer means for transferring a toner image formed on the photosensitive drum to the recording member, and the transfer means for transferring the toner image. An image forming unit provided on one side of the apparatus main body having a fixing unit for fixing the toner image transferred to the recording member on the recording member, and the apparatus after the image formation by the image forming unit. Since the recording members discharged from one side to the other side of the upper surface of the main body are stacked, the discharge tray provided on the upper surface of the apparatus main body and the discharge direction of the recording member discharged to the discharge tray are in the opposite direction. An opening / closing cover provided so as to be opened and closed with respect to the device body so that the lower part of the one side part of the device body is pivotal, and an upper cover of the one side part of the device body of the device body. The device, which is provided over the direction intersecting the discharge direction of the recording member, above the portion on which the image-formed recording member discharged to the discharge tray is stacked, and on the upstream side in the recording member discharge direction. A printer having an operation unit of the main body. 2. The printer according to claim 1, wherein the opening / closing cover has a transfer roller as the transfer member.