Epson L-1000 Technical Manual page 111

REV.-A
NOTE: In current loop operation, normal data transfer cannot be guaranteed at a bit rate greater than 1200 BPS.
Handshaking Timing
This printer outputs the X-OFF code and/or REV signal (polarity can be selected by jumper setting) to indicate
"not ready to receive data" when the amount of vacant input data buffer space becomes 256 bytes. Additional-
ly, the printer outputs the X-ON code and/or changes REV signal to indicate "ready to receive data" when
the amount of vacant input data buffer space becomes 528 bytes.
Error Handling
The asterisk (*) character is printed when a parity error is detected. Other errors, such as "overrun error" and
"framing error," will be ignored.
LQ-500/L-1000
Table 3-3. DIP Switch Settings
Table 3-4. Bit Rate Settings
OPTIONAL EQUIPMENT
3-3