Specifications
EFP9800 ESC/POS Commands 
6– 62 3255 4073– 002 
n = 6: Validation Paper Status 
    Validation Paper Status 
Bit  Validation Paper Function  0  1 
0  Not Used  Always 0   
1  Not Used    Always 1 
2  Validation Paper Selection  Selected  Not Selected 
3  Validation Insertion Waiting  Not Waiting  Waiting 
4  Not Used    Always 1 
5  Validation Sensor  Validation Present  Validation Not Present 
6  Slip/Validation Sensor  Validation Present  Validation Not Present 
7  Not Used  Always 0   
Note:  For Bit 2, there is a lag between receipt of the Select Print Paper(s) 
(1B 63 30) and bits 5 and 6 (transmit the current state of the 
slip/validation sensor). 
Real Time Request to Printer 
Responds to a request from the host computer. The request is specified by the 
value of n. (See table below.) The printer performs the command upon receipt. 
The command is ignored if n is out of the specified range. 
Hexadecimal Decimal  ASCII  Value of n 
10 05 n 16 5 n DLE ENQ n  1 =  Recover and restart printing at line 
  where error occurred. 
2 =  Recover and clear buffers. 
3 =  Cancel slip waiting. 
The printer performs this command even when it is offline, in an error state, or 
the receive buffer is full. 










