Lexmark Optra T Reference page 330

ACKNLG*, ERROR*, SLCT, PE Drivers for Optra E310, Optra E312, and Optra
M410
The following diagram illustrates the ACKNLG*, ERROR*, SLCT, PE drivers for
Optra E310, Optra E312, and Optra M410.
Signal
ACKNLG*, ERROR*, SLCT, PE Drivers for Optra C710, Optra T Family,
Optra W810, and Optra M412
The following diagram illustrates the ACKNLG*, ERROR*, SLCT, PE drivers for the
Optra C710, Optra T family, Optra W810, and Optra M412.
FCT 2828
33 ohm ±10%
FCT 2827
39 ohm ±5%
or
FCT 2828
8-27
+5V
1K ohm ±10%
180 pF ±20%
GND
+5V
2.2K ohm ±10%
Connector
220 pF ±20%
GND
Interfaces
Connector
Pin