Timing chart
Timing chart of single item receive
1)
Normal process
Power ON
Printer
initializing
STX. . . . . . . ETX(1)
DATA
STROBE
ACK
BUS
SELECT
PE
FAULT
Printer status
Receive/Analysis/Edit(1)
*TX<5msec
Online
Printing (1)
Press the LINE key
Press the LINE key
STX . . . . . . . . . . . . ETX(2)
TX
Offline
484
Online
Printing (2)