JPH08276643A - Recording device - Google Patents

Abstract

PURPOSE: To carry out a self-testing with good operability. CONSTITUTION: In a recording device equipped with a card 104 in which a program for checking the function of the device is stored, a card detection means 103 for detecting the setting of the card 104, ROM 102 in which a control program is stored, and CPU 101 for controlling operation, the self-check of the function of the device is made possible by setting the card 104.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording head for recording on a recording medium, a storage device for storing a control program, control means for controlling the recording operation, and reading for reading information from a card mounted on the recording device. The present invention relates to a recording device provided with a means.

[0002]

2. Description of the Related Art A recording apparatus having a recording head, a control unit (hereinafter referred to as a CPU) for controlling the operation of the recording apparatus, and a ROM storing a control program, is used at the time of factory shipment inspection or failure. It is necessary to prepare a self-test mode for checking the functions of the recording apparatus main body for checking for the service person.

Conventionally, a self-test program capable of checking the necessary check items is stored in the ROM in the recording apparatus main body for each check item or as one program, and each check item is selected by a combination of switches and the like. The program was supposed to run.

[0004]

However, the above-mentioned conventional example has the following problems.

(1) Since the self-test program is stored in the ROM in the main body of the apparatus, the area of the original control program of the recording apparatus is restricted.

(2) Since the check item is selected by a combination of switches, it is difficult for the operating side to understand.

(3) A general user may enter the self-test mode.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and provide a recording apparatus capable of performing a self test with good operability.

[0009]

Therefore, a recording apparatus according to the present invention comprises a recording head, a storage device storing a control program, control means for controlling a recording operation, and a card mounted on the recording device. A recording device provided with a reading means for reading information, comprising a function check means for detecting the loading of a card containing a program for checking the function of the recording device, reading it, and checking the function of the recording device by the program. The above-mentioned object is to be achieved by the constitution characterized by the above.

[0010]

With the above construction, when the card containing the program for checking the function of the recording apparatus is mounted on the recording apparatus, the function check means detects the mounting of the card and reads the function to check the function of the recording apparatus. Since the recording user does not enter the self-test mode, the person in charge of inspection and maintenance can carry out the self-test with reliable and easy operation.

[0011]

1 is a block diagram showing the basic construction of an embodiment of the present invention.

In FIG. 1, 101 is a CPU for controlling the operation described below, 102 is a ROM storing a control program as described later, 103 is a card detecting means for judging the presence or absence of a card, and 104 is a blog for self-test. A card containing a ram, 105 is a means for performing a self-test.

FIG. 2 is a perspective view showing the structure of a serial recording apparatus according to an embodiment of the present invention.

In FIG. 2, reference numeral 205 denotes a head cartridge in which a recording head H and an ink tank which is an ink supply source are integrated. This head cartridge 205
Are fixed on the carriage 206 by a pressing member 202, and these are reciprocally movable in the longitudinal direction along a shaft 211. 212 is a card that stores a self-test program. The ink ejected from the recording head H reaches the recording medium 209 whose recording surface is regulated by the platen roller 210 at a minute distance from the recording head H and forms an image.

A discharge signal based on image data is supplied to the recording head H from a data supply source via a cable 207 and a terminal connected to the cable 207. Head cartridge 2
05 may be provided in a number of 1 to plural (two in the illustrated example) depending on the ink color to be used. Reference numeral 208 is a pulse motor for scanning the carriage 206 along the shaft 211, and 203 is a wire for transmitting the driving force of the motor 208 to the carriage 206. Also,
201 drives the platen roller 210 to drive the recording medium 20.
9 is a feed motor for conveying 9, 204 is a HP (home position) for detecting the position of the carriage 206
It is a sensor.

FIG. 3 is a block diagram showing a card detecting means provided in one embodiment.

In FIG. 3, 301 is a CPU for controlling the operation, 302 is a ROM storing an operation program,
303 is a card storing a self-test program,
304 is a contact between the card 303 and the CPU 301,
Reference numeral 305 is a pull-up resistor for the port PC of the CPU 301. That is, when the card 303 is attached, the port PC is dropped to the ground level by the contact 304, and when the card 303 is not attached, the port PC is at V _CC due to the pull-up resistor 305. By detecting this difference with the CPU 301, the presence or absence of the card 303 can be known.

FIG. 4 is a schematic diagram showing an example of a memory map depending on the presence or absence of a card. 0000H to 0FFFH are assigned to the storage area for the initial operation of the printing apparatus.
Procedures for card detection and storage area switching are written in this area. That is, when the card 303 is attached, the chip select signal CSC shown in FIG. 3 is activated and CS is inactive, and when the card 303 is not attached, CSC is inactive and CS is activated. By performing such control, the storage area 1
In FFFH to 2FFFFH, the program for general control and the program for self-test can be interchanged.

FIG. 5 is a flow chart showing an example of the self-test initial operation. If the self-test mode is entered (step S51), it is detected whether it is a loopback test (S52). If the card is attached, test pattern 1 is printed (S53), if not attached, test pattern 2 is printed (S54),
It ends (S55).

FIG. 6 is a flow chart showing the control procedure of one embodiment.

If the power is turned on (S61), the above-mentioned initial operation is performed (S62). The level of the port PC is detected, and if the level is "H" (S63), it is determined that the card is not installed, and the chip select signal CS
Is made active and the CSC signal is made inactive (S64). As a result, the ROM in the recording device is accessed, that is, the normal operation is performed (S6).
5). In step S63, the level of the port PC is detected,
If it is not at "H" level, it is determined that the card is attached, and the chip select signal CS is made inactive,
The CSC signal is activated (S66). As a result, the memory area of the card, that is, the area in which the self-test operation is written is selected, and accordingly, the self-test is performed (S67), and the processing is terminated (S68).

By performing the above operation, it is possible to provide a recording apparatus in which the area of the control program inherent in the recording apparatus is not restricted and the user is unlikely to enter the self-test mode.

(Other Embodiments) In the previous embodiments, the procedure for supplying the self-test program for the recording apparatus from the external card has been described. However, in the previous embodiment, the program is replaced only for the self-test, so that there is a restriction on the switch operation for entering each mode in consideration of the ROM in the recording apparatus main body.

In the present embodiment, in order to solve this problem, when the operation check of the recording apparatus is performed, all the operations are performed according to the program in the card. Will be described with reference to.

FIG. 7 is a block diagram showing the card detecting means in this embodiment. In the card detecting means in this embodiment, a circuit 606 for generating a chip select signal by hardware is added to the configuration of the previous embodiment. That is,
With the card installed, the chip select signal
From the beginning without being controlled by the CPU 602, CS: inactive, CSC: active, and CP
When the U602 is powered on, it will read the ROM in the card.

FIG. 8 is a flowchart showing an example of the self test. If you enter the self-test mode (S
81), the initial operation is performed (S82). The state of the SW is input to the mode to check the test mode (S83). If mode = 0 (S84), the initial operation is performed (S85), and if mode = 1 (S8).
6) Print test pattern 1 (S87), mode =
If 2 (S88), test pattern 2 is printed (S8)
9).

FIG. 9 is a flow chart showing the control procedure of this embodiment.

If the power is turned on (S91), the level of the port PC is detected (S92), and if it is at "H" level, it is determined that the card is not installed, the chip select signal CS is activated, and the CSC signal is activated. Is made inactive (S93). As a result, the CPU performs the operation written in the ROM in the recording device, that is, the normal operation (S94). The operations of S92 and S93 are performed by hardware. If the level of the board PC is not "H" in S92, it is determined that the card is attached, the chip select signal CS is made inactive, and the CSC signal is made active (S95). This allows the ROM in the card
Is selected, the self-test is performed accordingly (S96) and the process ends. (S97).

By carrying out the above control, the switch operation for entering each mode can be freely set without considering the balance with the ROM in the main body of the recording apparatus.

[0030]

As described above, according to the present invention,
A recording head, a storage device storing a control program,
In a recording device provided with a control means for controlling a recording operation and a reading means for reading information from a card mounted in the recording device, mounting a card containing a program for checking the function of the recording device by the function check means provided therein. Since the function of the recording apparatus is detected and read out and the function of the recording apparatus is checked by the program, a self-test can be performed with good operability, and test confusion and the like other than the person in charge can be prevented.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of an embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of a serial recording device which is an embodiment.

FIG. 3 is a block diagram showing a configuration of a card detection unit.

FIG. 4 is a schematic diagram of a memory map according to an embodiment.

FIG. 5 is a flowchart of a self-test initial operation.

FIG. 6 is a flowchart showing a control procedure of the embodiment.

FIG. 7 is a block diagram of a card detecting means of another embodiment.

FIG. 8 is a flowchart of a self test of another embodiment.

FIG. 9 is a flowchart showing a control procedure of another embodiment.

[Explanation of symbols]

 101 CPU 102 ROM 103 Card Detecting Unit 104 Card 105 Self-Testing Unit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akirayoshi Shimoda 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (72) Inventor Tomoaki Masaki 3-30-2 Shimomaruko, Ota-ku, Tokyo Kiya Non non corporation

Claims (1)

[Claims] 1. A recording device comprising a recording head, a storage device storing a control program, a control means for controlling a recording operation, and a reading means for reading information from a card mounted on the recording device. A recording apparatus, comprising: a function check means for detecting the loading of a card containing a program for checking the function of the apparatus, reading the card, and checking the function of the recording apparatus by the program.