Epson C82310/11 (Parallel I/F) Manual de servicio descargar pdf (Pagina 87)

SERVICE MANUAL MASTER FILE

ENGLISH

Rev. A (1997/05/07)

7-2

Table 7-2. Connector Pin Assignment - CN1

Pin No. I/O Signal Name Function

1 I /STROBE Strobe pulse. Input data is latched at falling edge of the

signal.

2 - 9 I DATA1 - DATA8 Parallel input data to the printer

10 O /ACKNLG This pulse indicates that the printer has received data

and turned into ready to accept next one.

11 O BUSY When this signal is HIGH, the printer is not ready to

accept data.

12 O PE When this signal is HIGH, the printer is in a state of

paper-out error

13 O SLCT This signal is always HIGH when the printer is power on.

14 I /AFXT Not used.



NC Not connected.



GND Signal ground



Chassis Chassis ground

18 O Logic H

This line is pulled up to +5V through 3.9 kΩ.

19 - 30



GND Signal ground

31 I /INIT This signal initializes the printer.

32 O /ERROR This signal is output when the printer is in error.



GND Signal ground



NC Not connected.

35 O +5V

This line is pulled up to +5V through 1.0 kΩ.

36 O /SLIN This signal is always HIGH when the printer is power on.

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 103 104

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Epson C82310/11 (Parallel I/F) Manual de servicio Pagina 87