Epson 100-88002 - page 157

Control Codes
100-88002 Rev B Page 145
Function Query the Electronic Journal
ASCII [ENQ]<25>
Hexadecimal 05H 19H
Decimal <05> <25>
IPCL None
EPOS
Description This is a real time status request that returns the current state of the
electronic journal.
Return Format: [NAK]<25><42><nH><nL>
[NAK] EJ is not active. It is either off, not initialized or full. If nH*256 + nL is not zero,
the EJ is available but not initialized and nH*256 + nLis the available space in K (1024)
bytes.
or [ACK]<25><42><nH><nL>
[ACK] the EJ is active an available and nH*256 + nLis the available space in K (1024)
bytes.