Lexmark Optra S 1620 User's Guide (7.1 MB) - Page 136
Fax Menu Selections Continued
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Using the Operator Panel and Menus Using Your Printer Fax Menu Selections (Continued) Menu Item Values and Functions of the Menu Items Fax Parity Even Odd None* Ignore This setting lets you set the parity for serial input and output data frames for the serial port that is configured to receive faxes. Fax Buffer Even The port expects to receive data frames with an even number of logical 1's per byte. The port transmits XOFF and XON with even parity. If the port detects a parity error, the port sends an inverted question mark to the printer instead of the character sent by the host system. Odd The port expects to receive data frames with an odd number of logical 1's per byte. The printer transmits XOFF and XON with odd parity. If the printer detects a parity error, the port sends X'5F' to the printer instead of the character sent by the host system. None The port expects no parity bit when it receives data. The port transmits XON and XOFF without parity bits. Ignore The port expects a parity bit when the port receives a data frame. The port ignores the parity bit. The port uses even parity when it transmits XON and XOFF. Refer to parity in the Technical Reference for more information. Disabled Auto* 3K to maximum size allowed Your printer has a variable buffer size that can be changed from the operator panel. You can configure the size of the input port buffers to meet your system needs. The maximum size available for modification depends on the amount of memory in your printer, the size of the other link buffers, and if the Resource Save setting is On or Off. To maximize the range for the Fax Buffer size, you can disable or reduce the size of the parallel, serial, network, Infrared and LocalTalk buffers. The Auto setting indicates the printer selects the buffer size based on the total memory available. Changing the Fax Buffer setting automatically resets the printer. * Factory Default 120 Using the Operator Panel and Menus