Parallel Submenu
Parallel Submenu
Centronics Interface
IMPORTANT The Centronics parameters in the printer must be set the same as the Centronics interface in the host computer. Otherwise, the printer might not work online, and data characters from the computer might not print or might print as “garbled” text.
* = Factory Default
Parallel
(from page 103)
Centronics
Data Bit 8
Data Polarity Strobe Polarity
Resp. Polarity
Busy On Strobe
Latch Data On
Enable* | Standard* | Standard* | Standard* |
Disable | Inverted | Inverted | Inverted |
Enable* Disable
Leading* Trailing
Prime Signal
Enable*
Disable
TOF Action
Reset*
Do Nothing
Buffer Size in
K
8*
The Centronics submenu provides the options and settings available to configure the interface as required for your application. These options and available settings are outlined in the following paragraphs.
Data Bit 8
•Enable. Allows access to the extended ASCII character set.
•Disable. The printer interprets bit 8 of each incoming data character as a zero, regardless of its actual setting.
Data Polarity
The Data Polarity parameter must be set to match the data polarity of your host computer.
•Standard. Does not expect the host computer to invert the data.
•Inverted. Expects the data received on the data lines from the host computer to be inverted. Ones become zeros, and
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