Lexmark C910 - Page 368

Interfaces
8-30
BUSY Driver and INIT* Receiver for the Lexmark C720, E320, and E322
The following diagram illustrates the BUSY driver and the INIT* receiver for the
Lexmark C720, E320, and E322.
BUSY Driver and INIT* Receiver for the Lexmark C750
The following diagram illustrates the BUSY driver and the INIT* receiver for the
Lexmark C750.
+5V
1.1K ohm ±10%
INIT*
(input)
39 ohm ±5%
FCT 2827
50K ohm ±5%
1722 pF ±20%
+5V
2.2K ohm ±10%
BUSY
(output)
GND
FCT 2827
39 ohm ±5%
GND
FCT 2828
FCT 2828
220 pF ±20%
or
or
+5V
1.5K ohm ±10%
INIT*
(input)
39 ohm ±5%
FCT 2827
50K ohm ±5%
1722 pF ±20%
+5V
2.2K ohm ±10%
BUSY
(output)
GND
FCT 2827
39 ohm ±5%
GND
FCT 2828
FCT 2828
220 pF ±20%
or
or