HP DesignJet ColorPro CAD Manual de usuario descargar pdf (Pagina 16)

Product Information1-10

Specifications

Centronics Parallel Pinout Information

PIN NUMBER PIN ID DESCRIPTION

1Strobe

A low pulse causes the printer to read one byte of data

2 - 9 Data 0 - Date 7 These pins are the data lines. Data 0 is the least significant bit (LSB)

10 Acknowledge The printer sends a low pulse to indicate that it has accepted a byte of data and is

ready for more data.

11 Busy The printer sends a high logic level to indicate to the computer that it cannot

receive data due to data entry, a full buffer or error status.

12 Paper Error The printer sends a high logic level to indicate to the computer that it is out of

paper.

13 Ready The printer sends a high logic level to indicate to the computer that it is in an online

condition. The printer sends a low logic level to indicate that it is offline or that the

input buffer is full.

16 Signal Ground Signal interface ground.

17 Chassis Ground Chassis ground.

18 +5 V The printer outputs a +5 volt high logic level through a 2.2K ohm resistor.

19 - 30 Ground These pins are tied to signal ground

31 Reset/Input

Clear

A low pulse sent by the computer resets the printer and clears the print buffer. The

reset occurs on the trailing edge of the pulse

32 Error

The printer sends a low logic level to the computer to indicate that it is in an error

state.

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HP DesignJet ColorPro CAD Manual de usuario Pagina 16