646
Status 5
The purpose of this communication protocol is to monitor and to control the status of printer data on
host, and this communication protocol has variety of functionalities.
Receive mode for this communication protocol is multi buffer mode.
 
Receiving buffer control
Return sequence
 
Parent topic  Communication protocol
Receiving buffer control
This protocol has 2 contributing factors to detect receive buffer near full to control information like
receiving, print, cancel per item.
• Contributing factor to receive buffer near full
"Receive buffer near full" occurs when the buffer's free space goes down to 0.95 MB out of the
2.95MB of receive buffer.
• Contributing factor to cancellation of receive buffer near full
"Receive buffer near full" is cleared when the buffer's free space decreased to 1.95 MB.
Parent topic  Status 5
Return sequence
1) Normal process
STX ESCA ESCID00001 ESC・・・ ESCZ BCC ETX 
STX ESCA ESCID00002 ESC・・・ ESCZ BCC ETX 
STX ESCA ESCID00003 ESC・・・ ESCZ BCC ETX 
STX SOH ENQ00001 ETX 
Print
No00001 
Print
No00002 
Edit
No00002 
Edit
No00003 
STX ***** ** 00001 20 000001 ETX 
STX SOH ENQ00001 ETX 
STX ***** ** 00002 20 000001 ETX 
HOST 
This Product
Print
No00003 
Edit
No00001