Toshiba B-EP Series Interface Specification page 56

• When the Status Request Command is sent.
A link request is transmitted
every 50 msec. if the printer
sends no NAK.
Within 1 sec.
Within 1 sec.
• When the host is started up, the host should send the Status Request Command to acquire the
printer ID.
• When the printer ID in the command packet is set to "0", this command is acceptable for all
printers.
• For the wireless LAN model or Bluetooth model:
After a specified time (5 seconds except for IrDA) has passed since the end of data transmission
and reception, data from other interface can be received. Data received from another interface
before the specified time has passed will be discarded.
When data is received from another interface during data transmission and reception with the
IrDA interface, the printer interface will be automatically switched to the one from which the data
has been received. In this case, the IrDA communication will fail.
Host
PAD
Status request command packet (*1)
EOT
3-25
Printer
A link request is detected.
A link is established
NAK
Within 40 msec.
Normal reception (CRC OK)
Status packet
Status transmission
CHAPTER 3 INTERFACE
B-EP Series