Xerox FS-C8008DN 用户手册

B-3

Table shows the connector pins and corresponding input and output signals of the parallel 
interface. Explanation of each signal is also given in the table.

The description in [ ] indicates signal names in Auto mode and Nibble (high) mode (IEEE 
1284-compliant). In Auto and Nibble modes, these signals are bidirectional.

In

Strobe

†

 [nStrobe]

A negative-going-strobe pulse causes the printer to read 
and latch the data on the Data 0 [1] to Data 7 [8] signal 
lines.

In

Data 0 [Data 1]

These eight signals form one byte of data sent from host 
computer to printer. Data 7 [8] is the most significant bit.

In

Data 1 [Data 2]

In

Data 2 [Data 3]

In

Data 3 [Data 4]

In

Data 4 [Data 5]

In

Data 5 [Data 6]

In

Data 6 [Data 7]

In

Data 7 [Data 8]

Out Acknowledge

 [nAck] This negative-going pulse acknowledges the previous 

character received.

Out Busy [Busy]

When this signal is high, the printer is busy. When it is low, 
the printer is able to receive more data.

Out Paper Empty

[PError]

This signal goes high when the printer runs out of paper.

††

Out Online (Select) [Select] This signal goes high when the printer is online and low 

when the printer is offline. The signal goes low when you 

press the GO key to make the printer go off line.

In

— [nAutoFd]

Ignored

—

—

Not used

—

0 V DC

—

Chassis Ground

—

+5 V DC

This pin is used for the printer’s +5 V DC power supply 
(+5±0.5 V, 400 mA maximum, with fuse)

—

Ground return

—

Ground return

—

Ground return

—

Ground return

—

Ground return

—

Ground return

—

Ground return

—

Ground return

—

Ground return

—

Ground return

—

Ground return