Lexmark W820 User's Guide - Page 250
NPA Mode, Parity
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NPA Mode Purpose: To specify whether the printer performs the special processing required for bidirectional communication, following the conventions defined in the Network Printing Alliance (NPA) Protocol. Values: On Off Auto* Printer performs NPA processing. If data is not in NPA format, it is rejected as bad data. Printer does not perform NPA processing. Printer examines the data to determine the format and then processes it appropriately. Note: Changing this menu item automatically resets the printer. Parity Purpose: To select the parity for serial input and output data frames. Values: Even Odd None* Ignore See also: Technical Reference 248
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248
NPA Mode
Purpose:
To specify whether the printer performs the special processing required for bidirectional
communication, following the conventions defined in the Network Printing Alliance (NPA) Protocol.
Values:
Note:
Changing this menu item automatically resets the printer.
Parity
Purpose:
To select the parity for serial input and output data frames.
Values:
See also:
Technical Reference
On
Printer performs NPA processing. If data is not in NPA format, it is rejected as bad data.
Off
Printer does not perform NPA processing.
Auto*
Printer examines the data to determine the format and then processes it appropriately.
Even
Odd
None*
Ignore