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TM-T88III series
Specification
(STANDARD)
B
Table 2.1.5 TM-T88III Printer Status and Signals (Continued)
Pin
Number
Signal
name
Signal
direction
Function
10
11
CS1
CS2
Input This signal indicates whether the host computer is BUSY or READY.
CS1>CS2 indicates that the printer is READY and CS1<CS2
indicates that the printer is BUSY.
1) When DTR>DSR is selected:
The signal is checked and data is transmitted only when the host is
ready to receive data (READY) (except for transmitted by DLE EOT
or GS a).
2) When XON/XOFF control is selected:
Transmits data regardless of the status of this signal.
*1 • Definition of “receive buffer full”
• When the receive buffer capacity is specified to 4 KB (DIP SW1-2 is Off):
• If the DIP SW2-5 is off, when the remaining space in the receive buffer drops to 128 bytes,
the printer status becomes “buffer full” and it remains “buffer full” until the space in the
receive buffer increases to 256 bytes.
• If the DIP SW2-5 is on, when the remaining space in the receive buffer drops to 128 bytes,
the printer status becomes “buffer full” and it remains “buffer full” until the space in the
receive buffer increases to 138 bytes.
• When the receive buffer capacity is specified to 45 bytes (DIP SW1-2 is On):
• Regardless of the DIP SW2-5 setting, when the remaining space in the receive buffer drops
to 16 bytes, the printer status becomes “buffer full” and it remains “buffer full” until the space
in the receive buffer increases to 26 bytes.
• The printer ignores the data received when the remaining space in the receive buffer
is 0 bytes.