Epson LX-86TM Especificaciones descargar pdf (Pagina 51)

REV.-A

2.4.3.1 Initialization

When the reset signal is input, the printer is initialized as follows:

CPU

GATE

ARRAY

—————

.— ————————

—

——

;

Clears the ports using hardware resetting.

Clears all port outputs. Executes the program from

● Sets the print head data to High-Z(the high

address OH.

impedance state).

● Sets the BUSY signal HIGH.

~------------------------’

—————

———————————————

Sets up the

1/0 ports. Initializes the CR and PF

Receives the phase data for the motors from the

motors.

CPU, and holds the CR and LF motors.

— — —— — ——— — — — — —-

—

-—-—--—--—-

Clears the memory. Sends the ACK signal to the

host computer via the interface.

-“’’’’’’’’’’’’’;’’’”:l

Performs carriage home position seek.

——— ——— — —— ——

—

—————

——

————

Initializes the gate array.

;

Initialized (the instruction codes are set).

(Outputs the instructions to the gate array.)

—

.———.——————

- —

—

———

—

——

~---------------------

Reads the DIP switch settings on the optional

in-

I Reads the DIP switch settings on the optional

in-

terface board upon receiving the instruction code.

terface board if the board is installed.

;

(XX02H is read.)

—————

——————

———.

-—

———

————

Checks whether the paper is set or not. Sends the

Controls the paper end signal of the interface and

result to the gate array.

the

paper

end

lamp on the

control

panel.

— —— ——-— —————— —-——————-

——

Is this self-test printing or hex-

adecimal dump mode?

(Moni-

tors the switch signals from

Select either the self-test

printing or the hexadecimal

dump mode.

Enters the interface waiting state (main routine for

Entars tha interface

data waiting state.

data processing).

● Sets the BUSY signal LOW.

— — — — — —

——

————

.—————————

Fig. 2-14. Initialization

2-19

Flow

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Epson LX-86TM Especificaciones Pagina 51

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