SATO CG412DT Service Manual page 23

3.2 RS232C HIGH SPEED SERIAL INTERFACE (cont'd)
Timing Chart (Single item buffer)
(1) Normal process
Power ON
Printer side
Initial
ER
STX..ETX(1)
RD
RS
Printer status
Receiving/Analysis/Editing(1)
(2) Error process
Head open
Printer side
ER
RD
RS
Printer status
* When the paper end has occurred: Open the head
Timing Chart (Multi item buffer)
(1) Normal process
Power ON
Printer side
Initial
ER
STX..ETX(1)
RD
RS
Printer status
Receiving/Analysis/Editing(1)
(2) Error process
Head open
Printer side
ER
STX
RD
RS
Online
Printer status
* When the paper end has occurred: Open the head
NOTE: When the head is closed, the paper end will be released.
CG4 Series Service Manual
td
Online
Print(1)
td: It takes the printer approx. 10μs to recognize the end of item and to start controlling ER.
Press the
Head close
FEED/LINE button
STX..ETX(1)
Offline
Receiving/Analysis/Editing(1)
NOTE: When the head is closed, the paper end will be released.
STX..ETX(2)
Online
Receiving/Analysis/Editing(2)
NOTE: For multi buffer mode, it is possible to continue data communications while printing.
Press the
Head close
FEED/LINE button
........ ETX(1)
Offline
Receiving/Analysis/Editing(1)
Press the Press the
FEED/LINE button FEED/LINE button
STX ........
Offline
Receiving/Analysis/Editing(2)
td
Online
Print(1)
Set the label Close the head for feed operation.
Receive buffer Receive buffer
near full occurred near full release
STX ........
Receiving/Analysis/Editing(3)
Print(1)
Paper end
STX ........
Online
Print(1)
Set the label Close the head for feed operation.
Section 3: Interface Specifications
td
ETX(2)
Online
Print(2)
Online
Offline
*
Print(1)
ETX(3) STX
Offline
Receiving/Analysis/Editing(4)
Print(2)
Press the
FEED/LINE button
ETX(2)
Offline
Receiving/Analysis/Editing(2)
*
Print(1)
Press the
FEED/LINE button
........ ETX(4)
Online
Print(3)
Online
Print(2)
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