Parallel Mode 2; Signal Descriptions - Lexmark J110 Reference Manual

Parallel Mode 2

Parallel Mode 2 is a feature available for many Lexmark printers. The factory default
setting is
The timing required by the printer is clearly indicated in "Standard Protocol Data
Transfer Sequence" on page 8-16. This is the classic Centronics interface timing.
By setting
Professional, or through a PJL command, the printer changes when data is valid.
Once
trailing edge of STROBE. This is the last possible host driven transition where data
should be valid.
Note:

Signal Descriptions

STROBE Receiver for the Lexmark C720
The following diagram illustrates the STROBE receiver for the Lexmark C720.
Connector
Pin Pin
.
On
to
Parallel Mode 2 Off
is set to
Parallel Mode 2 Off
You may find this feature helpful when having data transfer reliability
problems.
+5V, 5%
1.1K ohm ±10%
33 ohm ±10%
690 pF ±10%
GND
8-20
from the printer operator panel, through MarkVision
, the printer takes data from the host computer at the
FCT 2827
or
FCT 2828
Interfaces