12-7
4) Buffer Full/Buffer Full Cancel in XON/XOFF Mode
Buffer Full Near Full Near Empty Empty
Empty Area 256 Bytes Reception Data 256 Bytes
XOFF Output XON Output
Printer Setting Conditions Explanation of Operations
When the Memory Switch B-4 is 0 XOFF outputs only 1 byte when the empty area is a
maximum of 256 bytes. XON outputs only 1 byte when
the buffer area is a maximum of 256 bytes.
When the Memory Switch B-4 is 1 XOFF outputs data in 1 byte increments when the empty
area is a maximum of 256 bytes. XON outputs when the
buffer area is a maximum of 256 bytes.