JPH05169746A - Video printer - Google Patents

Abstract

PURPOSE:To shorten the printing time of a video printer. CONSTITUTION:In a video printer equipped with transfer devices 4, 10 which transfer a recording paper sheet to the chucking position of a platen roller, a chucking device 2 which chucks the one end of the recording paper sheet to the platen roller, platen roller driving devices 1, 11 which rotate the platen roller to a printing start position, and an electric power supply button 20, when the button 20 is operated, the transfer devices 4, 10, the chucking device 2, and the platen roller driving devices 1, 11 are actuated in sequence to be controlled in a standby state for printing.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION This invention relates to video printers.

[0002]

2. Description of the Related Art A sublimation type thermal transfer type video printer is described in, for example, Japanese Patent Application No. 01-340802. In a conventional video printer, the paper feed operation is performed by operating the print button, the recording paper is wound around the platen roller, and then the thermal head is pressed against the recording paper to start printing (the recording signal is supplied to the thermal head. Heat the heating element). After printing the three colors, the paper discharging operation is performed to discharge the recording paper, and the printing operation is completed.

[0003]

However, when printing is performed by such a conventional method, the following inconvenience occurs.

FIG. 3 shows a printing operation of the video printer. Reference numeral 1 is a platen roller, and 2 is a platen roller 1 which is arranged so as to be slightly movable in the diameter direction of the platen roller.
The chuck portions 3 which can be rotated together with the recording paper 3 are recording papers and are usually stored in a tray (not shown). Reference numeral 4 is a pickup roller for sending the recording paper 3 to the platen roller 1 side, 5 is a sensor for detecting whether or not the recording paper 3 has reached a position where it is nipped by the chuck portion 2, 6 is a thermal head, 7 is yellow, This is a cassette that stores magenta and cyan ink sheets.

Next, the operation will be described. When you press the print button (not shown) located on the video printer,
The pickup roller 4 rotates and sends the recording paper 3 to the platen roller side (A). When the sensor 5 detects the recording paper 3, the chuck portion 2 chucks one end of the recording paper 3 on the platen roller 1. And platen roller 1
To the printing start position, the thermal head 6 is pressed against the recording paper 3, and the platen roller 1 is rotated to turn yellow,
Each ink of magenta and cyan is printed (B). When the printing of the three colors is completed, the thermal head 6 is separated from the recording paper 3, the platen roller 1 is rotated and the chucking is released to eject the recording paper 3 (C), and the printing operation is completed.

In the printing operation as described above, since the printing operation is started only after the print button is pressed, it takes a long time to finish the printing operation, and there is a drawback that the user feels uneasy. It was (For example, 15 seconds for feeding, 3 for printing yellow, magenta, and cyan inks.
It took about 60 seconds, 0 seconds, and 15 seconds for the paper discharge operation).

Therefore, the present invention is intended to provide a video printer which solves the above drawbacks.

[0008]

In order to solve the above-mentioned problems, the video printer of the present invention conveys recording paper to a chucking position of a platen roller, and chucks one end of the recording paper to the platen roller. In a video printer having a chucking means, a platen roller driving means for rotating the platen roller to a printing start position, and a power button, when the power button is operated,
A control means is provided for sequentially operating the conveying means, the chucking means, and the platen roller driving means to control the printing standby state.

[0009]

According to the above means, the paper feed operation is started at the same time when the power button of the video printer is turned on and the printing standby state is waited. Therefore, when the print button is pressed, printing can be started immediately. it can.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. It should be noted that the same mechanism as that in FIG.

FIG. 1 is a schematic block diagram of a video printer embodying the present invention, and FIG. 2 shows an operation flow chart thereof. First, when the power button 20 is pressed (step S1),
The controller 9 drives the pickup roller drive circuit 10 by the same operation as in FIGS. 3A and 3B to send the recording paper 3 to the platen roller side (step S2). When the sensor 5 detects the recording paper 3 sent out (step S3), the pickup roller drive circuit 10 is stopped (step S4).

Next, one end of the recording paper 3 is chucked by the chuck portion 2 (step 5) and the platen roller drive circuit 11 is driven to rotate the platen roller to the printing start position (step S6). In this state (printing standby state), the process waits until the print button 30 is pressed.

When the print button 30 is pressed (step S7), the controller 9 drives the head drive circuit 12 to pass through the window portion 8 of the ink ribbon cassette 7 and the thermal head 6 through the ink sheet (not shown) to the recording sheet. 3 is pressed (step S8). Next controller 9
Activates the recording circuit 14 to supply a recording signal (yellow) to the thermal head 6 for printing (step S
9). In step S9, the platen roller 1 is rotated by the platen roller drive circuit 11, and the take-up reel 15 of the ink sheet cassette 7 is also rotated by the reel drive circuit 13.

When it is judged that the specified number of lines have been printed (step S10), the yellow recording signal supplied from the recording circuit 14 to the thermal head 6 is cut off,
The head drive circuit 12 is operated to separate the thermal head 6 from the recording paper 3 (ink sheet) (step S1).
1). Next, when the three colors of yellow, magenta, and cyan are not printed (step S12), the recording circuit 14 sends a magenta recording signal to the thermal head 6 to drive the platen roller drive circuit 11 to print. Rotate the platen roller to the start position and head drive circuit 1
At 2, the thermal head 6 is pressed against the recording paper 3 again,
The same operation (step S9 to step S11) as described above is repeated. Hereinafter, the same applies to cyan.

When the printing of the three colors is completed (step S12), the platen roller driving circuit 11 rotates the platen roller 1 and releases the chucking to eject the recording paper 3 as shown in FIG. 3C. The paper is printed, and the printing operation is completed.

At this time, it is detected whether or not the power button 20 is turned off, and if it is not turned off, the operations of steps S2 to S6 are performed again to set the printing standby state. When the power button 20 is off, power supply is stopped.

With the above operation, when the print button is pressed, it is possible to start printing immediately, so that about 15
The time can be shortened to about a second.

[0018]

As described above, according to the present invention, the paper feeding operation is started at the same time when the power button of the video printer is turned on, and the printing standby state is waited for. The time until the paper is discharged can be shortened.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a video printer embodying the present invention.

FIG. 2 is a diagram showing an operation flowchart of the present invention.

FIG. 3 is a diagram for explaining the operation of the video printer mechanism.

[Explanation of symbols]

 1 Platen Roller 2 Chuck 3 Recording Paper 4 Pickup Roller 6 Thermal Head 9 Controller 10 Pickup Roller Drive Circuit 11 Platen Roller Drive Circuit 20 Power Button 30 Print Button

Claims (1)

[Claims] 1. A conveying means for conveying a recording paper to a chucking position of a platen roller, a chucking means for chucking one end of the recording paper to a platen roller, and a platen for rotating the platen roller to a printing start position. A video printer provided with a roller driving means and a power button is provided with a control means for operating the transporting means, the chucking means, and the platen roller driving means in sequence when the power button is operated to control the printing standby state. A video printer characterized by that.