JPS62189178A - Printer - Google Patents

Abstract

PURPOSE:To enable a sheet to be automatically set to a desired printing-starting line position without need for manual correction each time of setting the sheet, by providing an adjusting quantity setting means and adjusting a feed quantity from a predetermined position to the printing-starting line position. CONSTITUTION:A printer has the function of correcting a positional error in loading one of sheets 10 set in a hopper 15. In the printer, a sheet-feeding part 110 feeds the sheet by a fixed amount (b) from the position at which the sheet is detected by a sensor 62a, whereby the sheet is positioned to a printing-starting position of a printing part. A setting means 120 sets an arbitrary feed quantity. A holding means 130 holds the adjusting quantity set by the setting means 120 in a RAM or the like. A determining means 140 determines by calculation a feed quantity from the sheet detection position to the printing-starting position, based on the fixed feed quantity (b) and the adjusting quantity held in the holding means 1.

Description

[Detailed Description of the Invention] [Summary] A printer device equipped with a sheet loading function, in which the printing start line position shift due to the sheet loading is set in advance by a setting means such as a minute line feed switch, and the adjustment is performed. When setting the sheet to the printing starting line position of the sheet I, the sheet setting is performed by calculating the new feed amount by adding or subtracting the adjustment amount to the feed amount from the predetermined position to the printing starting line position. It becomes possible to accurately mark the starting line position of printing without having to make corrections each time.

[Industrial application field]

The present invention relates to a printer device having a function of correcting the amount of misalignment of a sheet set in a popper when the sheet is loaded.

Normally, in a blinking device that has the function of feeding the medium (sheet) placed in the hopper of a cut sheet feeder to the printing starting line position, the position of the medium (sheet) fed from the popper is set at a predetermined position. is configured to be

However, the starting line position of the above-mentioned printing may be misaligned due to errors in the mounting of each mechanical component during manufacturing or the type of medium (sheet), and it is hoped that a printer device that can easily adjust the amount of misalignment will be put into practical use. ing.

[Conventional technology]

FIG. 5 is a block diagram illustrating a conventional example, and FIG. 6 is a schematic diagram of the configuration of a cut sheet feeder.

The block diagram in FIG. 5 shows a control processing unit 1 (hereinafter referred to as CPUI) installed in the printer device that controls and monitors various operations of the printer device, and a control processing unit 1 (hereinafter referred to as CPUI) that controls various operations. The control program used to perform this function is to feed the sheet 10 (shown in Figure 6) set in the popper I5 of the cutter I/sheet feeder 18 (shown in Figure 6) to the printing start line position. A memory (RO gate) 2 that stores the feed amount (also called default value) at the time of loading, a memory (RAM) 3 that stores work data that instructs each internal function to process in the CPU, C.P.
An input/output port 41 that interfaces with the UI, and a driver 42 that applies drive current to the platen motor 43.
and a motor drive unit 4 consisting of a platen motor 43 that rotates the platen 9 (shown in FIG. 6) in a predetermined direction, an input/output boat 51 that interfaces with the CPU, and a drive current to the motor in the carrier 53. It is equipped with a driver 52 for applying voltage and a print head 72, and is mounted on the sheet 10.
A carrier drive unit 5 consisting of a carrier 53 that moves the printing position of characters, symbols, etc. in the row direction, an input/output capotro I that interfaces with the CPU, and a hopper of the cut sheet feeder 18 shown in FIG. a position detection section 6 consisting of a sensor section 7 that detects a predetermined position when the sheet 10 fed from the sheet 15 is set at the printing start row position; an input/output cupo door 1 that interfaces with the CPUI; The print head unit 7 includes a print head 72 that prints characters, symbols, etc. at predetermined positions on the print head 7.

Normally, the sheet 1-10 is stored in a presser 15 in a cut sheet feeder 18, and is taken out by a pink-up roller 14, sent from a feed roller 17 to a platen 9, and fed as the platen 9 rotates to a print head 7.
It is set to position 2.

On the other hand, when feeding, the upper end of the sheet 10 is
2 internal sensor 62a, the lower end is connected to the internal sensor 62 of the sensor part 62.
After detecting the upper end of the sheet 10 with the sensor 62a, the position where the sheet 10 is moved a predetermined step and stopped is set as the printing starting line position.

The amount of feed up to this position is stored in the memory (ROM) 2 in advance, and when the seam O is fed to the print starting line position, the print head 72 starts printing operation.

The above operation is repeated every time a new seam 0 is taken out from the hopper 15.

[Problem that the invention seeks to solve]

However, the above-mentioned printing starting line position may be due to positional errors in the installation of the sensor 62a or sensor 62b in the sensor unit 62, or due to printing conditions, where the reference printing starting line position may be slightly shifted. Depending on the cause, it may be necessary to adjust the line position at which printing starts.

In this case, with conventional methods, it is either necessary to ignore the unavoidable variation of several 1,1,1,000 yen (printing quality deteriorates), or it is necessary to manually correct it every time the sheet 10 is loaded. Ta.

[Means for solving problems]

FIG. 1 shows a block diagram illustrating the invention in detail.

The block diagram in FIG. 1 includes a sheet transport section 110 that transports the sheet by a certain amount from the detected position and positions it at the printing start position of the printing section, a setting means 120 that sets an arbitrary transport amount, and a setting means 1.
A holding means 130 that holds the adjustment amount set in step 20, and a determination that determines the amount of transport from the sheet detection position to the printing start position by calculating the constant transport amount and the adjustment amount held in the holding means 130. means 140.

[Effect]

When shifting the preset printing start line position of a sheet, the amount of shift is set in advance using a setting means (setting section) consisting of a minute line feed switch, etc. when the sheet is loaded for the first time, and the adjustment amount is It is held in a holding means (a storage device with a non-volatile function), and when loading the sheet, a new feed amount is calculated by adding or subtracting the adjustment amount from the feed amount from a predetermined position to the printing starting line position.
It becomes possible to automatically mark the desired print start line position without having to make adjustments and corrections every time sheets are set.

〔Example〕

The gist of the present invention will be specifically explained below with reference to embodiments shown in FIGS. 2 to 4 and 6.

FIG. 2 is a block diagram explaining the present invention in detail, FIG. 3 is an operation diagram explaining the seat load position setting in the embodiment of the present invention, and FIG. 4 is a diagram explaining the seat load situation in the embodiment of the present invention. The operation diagrams are shown respectively. Note that the same reference numerals indicate the same objects throughout the figures.

In this embodiment, the sensor 62a in the sensor section 62 detects the sheet 1.
A fixed number of steps (corresponding to "-constant", not shown in FIG. 1) to be sent after detecting the upper end of 0 is stored in advance in the memory (R
OM) 2, and the printing is started from a position shifted from the current printing start line position for a very small amount of printing.

Note that the setting section 8 of this embodiment includes a switch 82 having a function of adjusting the deviation amount to the plus side or the minus side, and an input/output boat 81 that provides an interface for sending out the adjustment amount.
It is composed of.

FIG. 3 is an operational diagram of this embodiment for setting the seat load position. Also, the operation diagram shown in Fig. 4 is Sea 1.
-10 The sheet loading operation procedure when printing is performed on 10 is shown.

As for the processing procedure, first, before performing the first sheet loading operation, determine the feed amount (default value) according to the procedure shown in Figure 3, and store the adjustment value (minor movement amount) for the foot amount (default value) in memory. (RAM) 22.

That is, a "setting mode" is entered using an operation key (not shown), a predetermined feed amount (default value) stored in the memory (ROM) 2 is read out to the internal memory of the CPUI, and adjustment is made in accordance with the following procedure. Note that the memory (RAM) of the holding means 22 is one embodiment, and is assumed to have a nonvolatile function when the power is turned off.

If the feed amount adjustment amount when loading the sheet is on the negative side with respect to the reference feed amount, set the setting section 8.
Turn on the inner adjustment switch 820゛→-5W' and add 1 to the default value (hereinafter referred to as lN5C).
A new IN5C is set, the sheet is loaded, and the adjustment amount (plus 1) at that time is displayed on the operation panel (not shown) and written in the memory (RAM) 22. (Steps 100-103).

Next, if the feed amount adjustment amount when loading the sheet is on the positive side with respect to the reference feed 1t, turn on "-3W" of the adjustment switch 82 and
Subtract 1 to C, set a new lN5C, load the sheet, display the adjustment amount (minus 1) at that time on the operation panel (not shown), and save memory (
RAM) 22. (Steps 104-106)
.

Incidentally, the above-mentioned adjustment is performed using the switches 82 and ˜SW' until the variation in the adjustment amount is within several mm, and then the "setting mode" is ended.

(Steps 107.108).

Next, a sheet loading operation is performed according to the procedure shown in FIG. That is, the CPU determines whether or not there is a sheet loading operation, and if it is a sheet loading operation, it starts a changeover operation for sheet loading, and when the sensor 62a in the sensor unit 62 detects the upper end of the sheet 10, it starts the feed counter that counts the feed amount. Clear counters (not shown).

Normally, the feed amount is based on the basic line feed step,
The number of steps is determined, and a feed counter (not shown) counts the number of steps. (Steps 110-113).

Next, CPLll reads the IN5C stored in the memory (ROM) 2 and the adjustment amount stored in the memory (RAM) 22, adds and subtracts them, determines a new IN5C, and feeds the sea 1-10. At this time, when the feed counter value becomes equal to the new INSC, the feed feed operation at that point is stopped and terminated (steps 114 and 11).
5).

〔Effect of the invention〕

According to the present invention as described above, an accurate printing starting line position can be automatically set without having to adjust the setting position every time a sheet is loaded.

[Brief explanation of drawings]

FIG. 1 is a block diagram explaining the present invention in detail, FIG. 2 is a block diagram explaining the present invention in detail, FIG. 3 is an operation diagram explaining seat load position setting in an embodiment of the present invention, and FIG. Figure 5 shows an operation diagram explaining the sheet load situation in the embodiment of the present invention, Figure 5 shows a block diagram explaining the conventional example, and Figure 6 shows a schematic diagram of the configuration of the cut sheet feeder. , 1 is CPIJ, 2 is 1!-'E
IJ (ROM), 3.22 is memory (1?ΔM), 4 is motor drive unit, 5 is carrier drive unit, 6 is position detection unit, 7 is print head unit, 8 is setting unit, 9 is platen, 10 is sheet (medium), impeller -
--14 is a pickup roller, 15 is a popper, 16 is a stacker, 17 is a feed roller, 18 is a cut sheet feeder, 4L51. ．． 61.71.81 is the input/output boat, 42,
52 is a driver, ・43 is a motor, 53 is a carrier,
62 is a sensor section, 62a and 62b are sensors,
72 is a print head, 82 is a switch, 110 is a sheet transport section, 120 is a setting means, 130 is a holding means, and 140 is a determining means. $1 5 figures

Claims (1)

[Scope of Claims] A printer device comprising a sheet transport section (110) that transports a sheet by a certain amount from a detected position and positions it at a printing start position of a printing section, the printer device comprising a setting means for setting an arbitrary transport amount. (120), a holding means (130) for holding the adjustment amount set by the setting means (120), and a printing start position from the sheet detection position by calculating the constant amount and the held adjustment amount. 1. A printer apparatus comprising: determining means (140) for determining the amount of transport up to.