Lexmark W820 User's Guide - Page 262
Window Size
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Window Size Purpose: To specify the maximum number of infrared frames the printer can receive before sending an acknowledgment to the host computer. Values: Auto* 1 Printer sets the Window Size value during a power-on reset to maximize link performance (recommended). User sets the Window Size to one frame (1). If you have trouble printing using the infrared port, changing the Window Size menu item to 1 may resolve the problem. 260
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260
Window Size
Purpose:
To specify the maximum number of infrared frames the printer can receive before sending an
acknowledgment to the host computer.
Values:
Auto*
Printer sets the Window Size value during a power-on reset to maximize link performance
(recommended).
1
User sets the Window Size to one frame (1). If you have trouble printing using the infrared
port, changing the Window Size menu item to 1 may resolve the problem.