JPH01234274A - Printer - Google Patents

Abstract

PURPOSE:To continuously perform work even when slip printing work is interrupted, by measuring the position of FF paper before the post discharge of said paper is performed on the basis of the signal of a paper exhaustion detector for confirming the presence of a paper piece and performing positioning on the basis of the measured result at the time of re-feed in. CONSTITUTION:In the slip work during printing work using FF paper, the FF paper is post-discharged by the discharge/feed-in switch on an operation panel 6. During this time, the signal from a paper exhaustion detector 7 is always monitored and a paper exhaustion state appears when the upper end of the FF paper reaches a position G. A slip is further fed by M up to the stand-by position H of the FF paper. Slip feed driving is selected to perform slip work and, when the slip work is returned to the work of the FF paper, the feed driving of the FF paper is selected and the feed-in of the FF paper is performed by the discharge/feed-in switch. Herein, in order to return the FF paper to the state before post discharge, paper feed may be performed by quantity (M+N). The numerical value (M+N) is stored in the memory region of a control circuit 2 and called when the FF paper is used next and paper feed is executed on the basis of said numerical value.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a printer device having a plurality of paper feed drive systems including a paper feed drive for continuous paper (fanfold paper, hereinafter referred to as FF paper).

[Conventional technology]

In the conventional Kaede printer, FF paper that has not been selected by the user is ejected from the printing path and placed in a standby state. (Hereinafter, this operation will be referred to as post-ejection.) After a series of operations by the selected paper feed drive system, if the above FF paper is selected again, the FF paper drive system will move the FF paper into the path for printing. has been supplied and is waiting to be printed.

During this time, FF paper does not need to be removed from the drive system, so FF paper is normally used, and after interrupting processing using other paper feed drive systems such as slips, the original work is resumed. Even when you want to go back to normal, you don't have to worry about putting on and taking off the FF paper.

At this time, the FF paper is fed to the top of the printable area.

[Problem to be solved by the invention]

In the above-mentioned usage, when the work with FF paper has progressed to a certain extent and the paper has been fed a considerable amount, if you want to perform post-ejection and feed again, make sure to feed the FF paper until it reaches the top of the printing area. If only the paper is inserted, the previous work cannot be continued, and a considerable amount of paper feeding work will be required. Normally, the paper feeding operations that the user can perform include LP (-line feed) and FF (-
However, it is very difficult, and sometimes even impossible, to feed the paper at the desired position using these two methods.

The purpose of the present invention is to overcome the above-mentioned drawbacks, to memorize the position of FF paper before it is ejected after ejection, and to reproduce it after ejection and re-feeding, thereby allowing continuous work using FF paper. The object of the present invention is to provide a printer device that makes it possible.

[Means to solve the problem]

The present invention provides a sensor (hereinafter referred to as a paper-out detector) that detects the presence or absence of a piece of paper in the vertical position before the post-discharge of FF paper in a printer device during the process of post-discharge of the FF paper.
It is characterized in that it is measured by using signals from the paper feeder, and when refeeding, the measurement results are reflected in the paper feed.

[For use]

In the present invention, the amount of paper feed until paper out is detected at the time of post-ejection of FF paper is the amount of paper feed from when paper presence is detected to the feeding end position at the time of refeeding.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a printer device of the present invention. A system bus 1 is connected to a microprocessor unit that controls the entire device, a control circuit 2 that includes a storage device that stores information necessary for control, a filter paper feed motor and its drive circuit connected to multiple drive systems including an FF paper drive system. A paper feed drive section 3 consisting of a head and its drive circuit, a head drive section 4 consisting of a head and its drive circuit, a carriage drive section 5 consisting of a carriage and its drive circuit, and the state of the switch and pre/printing device used by the user to perform operations such as paper feed. An operation panel section 6 consisting of a display indicating the operation, a paper out detector 7, an F/T detector 8 for detecting the selection of single sheet or FF paper, and an external interface section 9 for transmitting and receiving data with the host computer/computer. each connected.

FIG. 2 is a side view of a part of the operating state of the embodiment of the printer device of the present invention.
Paper B is fed along a paper guide plate past a paper out detector C and is fed a length past printhead D.

Next, the operation of this embodiment will be explained.

Suppose that while printing work is being done using FF paper, another work must be done using a cut sheet. The user waits for the printing on the FF paper to finish before performing post-ejection. At this time, assume that the state is as shown in FIG. Here, the following three switches are used by the user to feed the paper on the operation spring 6.

■Line feed switch (LFSW...-line feed) ■Page feed switch (FFSW...-page feed) ■Ejection/input switch (LESW...FFIE) When FF paper is later ejected, a reverse signal is sent from the control circuit 2 to the paper feed drive unit 3 (the third
31) in the figure. During this time, the signal from the paper out detector 7 is constantly monitored (32), and when the top end of the FF paper reaches position G, the paper out state occurs. The paper has been fed by (N) so far, but the paper is further fed by (M) until it reaches the FF paper standby position H (33). Here, the user selects the cut sheet feeding drive and performs work with the cut sheets.

When you have finished working on single sheets and want to return to working on FF paper, press F.
Select the paper feed drive for F paper, and feed the FF paper by clicking ■. Here, FF paper to the state before post-ejection? jl In order to return the paper, it is sufficient to feed the paper by the amount (M+N). At this time, ■ and ■ are meaningless before the FF paper is fed, so feed the FF paper up to the standard feeding position, that is, feed up to F. We will do so.

This paper feed amount is (M+S).

The above values of (M+N) and (M+S) are stored in the internal storage area of the control circuit 2, and the next time the FF paper is used, these values are read from the storage area, Paper feeding is performed based on the numerical value.

Further, in FIG. 2, F is the standard feeding position, and paper is normally fed to this position. Further, E is the paper feeding position when returning to the previous state.

〔Effect of the invention〕

As described above, according to the printer HW of the present invention,
In the FF paper drive system, even if the cut printing operation is interrupted, the operation can be continued.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of a printer device of the present invention. Figure ti2 is a side view of part of the state of the device during paper feeding. FIG. 3 is a flow chart of related parts of a series of operations. 1... System bus 2... Control circuit 3... Paper feed drive unit 4... Head drive unit 5... Carriage drive unit 6... Operation panel 7... Paper out detector 8.・・F/T detector (FF paper/single sheet selection detection) 9・・
・External interface section A...FF paper drive device B'...FF paper C...Paper out detector D...Print head E...Rear ejection position F...Standard feeding position G ...Paper presence/absence detection position H...FF paper standby position or higher Applicant: Seiko Epson Corporation Figure 17 Figure 2

Claims (1)

[Scope of Claims] In a printer device having a plurality of paper feed drive systems including a paper feed drive for continuous paper, means for recognizing the selection status of one of the plurality of drive systems, and the presence or absence of a piece of paper to be printed. means for recognizing the amount of paper feed necessary to put the continuous paper into a standby state, and means for storing the measurement results, and when the drive system is selected next, the measurement results are stored. A printer device characterized by returning continuous paper to the position before it went into a standby state based on .