Lexmark 23B0225 Technical Reference - Page 322

8-30 Interfaces Table 8-6: Input Buffer Sizes in Bytes (Continued) Memory Size Parallel Buffer Size 8, 10, or 12MB 48K 16, 18, or 20MB 48K (1MB if no optional adapter is installed) 24, 28, 32, or 34MB 192K (1MB if no optional adapter is installed) 36, 38, or 40MB 384K (1MB if no optional adapter is installed) 44MB or larger 2MB Note: MB represents 1,048,576 bytes. K represents 1024 bytes. N/A means non-applicable. Serial Network Buffer Size Buffer Size LocalTalk USB Fax 24K 48K 48K 24K 350K 24K 1MB 1MB 24K 1MB 150K 1MB 1MB 150K 1MB 300K 1MB 1MB 300K 1MB 300K 2MB 2MB 300K 1MB Note: When using serial communication, the printer signals the host computer to stop transmitting bytes when the serial input buffer is within 640 bytes. In addition, when XON/XOFF protocol is used, the printer signals the host computer to stop transmitting when the serial input buffer is 384, 256, and 128 bytes from full.