![](/images/new-backgrounds/1145410/14541077x1.webp)
Using MFP menus
Menu item | Purpose | Values and descriptions | |
Robust XON | Determines whether the MFP | Off* | The MFP waits to receive data from |
| communicates availability to the |
| the computer. |
| computer. |
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| On | The MFP sends a continuous stream | |
| This menu item only applies to the | ||
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| of XONs to the host computer to | |
| serial port if Serial Protocol is set to |
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| indicate that the serial port is ready to | |
| XON/XOFF. |
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| receive more data. | |
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Baud | Specifies the rate at which data can | 1200 |
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| be received through the serial port. |
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| 2400 |
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| Note: 138200, 172800, 230400, |
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| and 345600 baud rates appear in | 4800 |
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| the Standard Serial menu. These |
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| values do not appear in the Serial | 9600* |
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| Option 1, Serial Option 2, or Serial |
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| Option 3 menus. | 19200 |
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| 38400 |
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| 57600 |
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| 115200 |
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| 138200 |
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| 172800 |
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| 230400 |
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| 345600 |
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Data Bits | Specifies the number of data bits | 7 |
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| that are sent in each transmission |
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| 8* |
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| frame. |
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Parity | Sets the parity for serial input and | Even |
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| output data frames. |
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| Odd |
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| None* |
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| Ignore |
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Honor DSR | Determines whether the MFP uses | Off* | All data received by the serial port is |
| the Data Set Ready (DSR) signal. |
| treated as valid data. |
| DSR is one of the handshaking |
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| On | Only data received while the DSR | |
| signals for most serial interface | ||
| cables. |
| signal is high is treated as valid. |
| The serial interface uses DSR to |
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| distinguish data sent by the |
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| computer from data created by |
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| electrical noise in the serial cable. |
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| This electrical noise can cause stray |
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| characters to print. Select On to |
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| prevent stray characters from |
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| printing. |
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Network/Ports
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