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Xerox 4213 User Manual

Page 27

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INTERFACES

Table 1-2.

Centronics signals and pin assignments
(continued)

Pin

Direction

Signal

Description

17

Chassis ground

18

From printer

+5V (standard Centronics)

19-
29

0 volts

TWP returns All at Logic ground.

30

0 volts

INIT ground

31

To printer

INIT L

The 4213 ignores this signal.

32

From printer

ERROR L

This signal is low when the printer is in
an error state.

33

Open (standard Centronics)

34

Not used

35

Ground (standard Centronics)

36

Not used

1

These signals are the 1st and 8th bits of parallel data and are

active high for a logical 1.

XEROX 4213 LASER PRINTER PROGRAMMER REFERENCE

1-5