Parallel Mode 2; Signal Descriptions - Lexmark 33S0300 - Mono Chrome Laser Printer Reference

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 8-11. 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.
If
Parallel Mode 2
eliminating any IEEE 1284 data flow control.
Note:

Signal Descriptions

STROBE Receiver for the Lexmark E120, E120n, E238, E240, E240n, E250d,
E250dn, E340, E342n, E350d, E352dn, E450dn
The following diagram illustrates the STROBE receiver for the Lexmark E120, E120n,
E238, E240, E240n, E250d, E250dn, E340, E342n, E350d, E352d, E352dn, E450dn.
Connector
Pin
.
On
to
Parallel Mode 2 Off
is set to
Parallel Mode 2 Off
is , the printer automatically turns
Off
You may find this feature helpful when having data transfer reliability
problems.
GND
8-15
from the printer operator panel, through MarkVision
, the printer takes data from the host computer at the
Advanced Status
74LVC161284
470 ±10%
Interfaces
to ,
Off