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Interface Specifications
Signal levels
Output signals:
Input signals:
V
OL
,
=
0 to 0.4 v
V
OH
=
2.4 to 5.0 V
V
IL
=
0 to 0.8 V
V
IH
=
2.0 to 5.0 v
Serial interface
The laser printer’s built-in serial interface can be set for either
RS-232C or RS-422A operation. These interfaces have the following
characteris tics.
Data format
Word length:
7 or 8 bits
Parity:
0 or 1 bit (None, Odd, Even, Ignore)
Start bits: 1 bit
Stop bits: 1 or 2 bits
The data format can be set using functions and menu items in
SelecType.
Baud rate
300, 600, 1200, 2400, 4800, 9600, 19200 bits per second.
Signal level
RS-232C:
V
H
= 2.2 to 12v
V
L
= -1.4 to -12v
RS-422A:
V
H
= 2.5 to 5V
V
L
= 0 to 0.5v
B-10 Technical Specifications