656 
 
Timing chart 
1) Normal process 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2) Cancel process 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The format of CAN will be STX SOH CAN "*****" ETX. (***** will be any item No. ) 
After sending CAN, please wait about 500 msec before sending the next data. 
Avoid sending CAN while sending the print data (STX <A> - <Z> ETX).   
With the above condition, the job may not be canceled or the item may not be printed correctly. 
Status
Power On 
Printer 
RD 
SD 
Printer Status 
Press the LINE 
button
STX...ETX 
1
EN
 
The format of ENQ will be STX SOH ENQ "*****" ETX. (***** will be any item No. ) 
Avoid ENQ transmission while sending the print data (STX ESC+“A” - ESC+“Z” ETX).   
By sending ENQ, the status may not be returned or there may be print error. 
Status 
EN
Status
STX...ETX 
2
Receive/Analysis/Edit (1) Receive/Analysis/Edit (2)
EN
 EN
STX...ETX 
3
Receive/Analysis/Edit (3)
Status
Status
Press the LINE button
EN
Printin
 
2
Printin
 
1
Initializin
Offline
Online
 
Buffer near full state 
Buffer near full release
Printer 
RD 
SD 
Printing (1) 
Online 
ENQ 
Printing (2) 
Printer Status 
Receive/Analysis/Edit (1) 
STX..ETX (1) 
STX..ETX (2) 
Status  Status  Status 
500 msec 
Status