N = 4 (ESC/POS mode)
n3: Always “0”
Para. | Setting  | “0”  | “1”  | “2”  | “3”  | 
  | 
n1  | RTS signal condition  | Save as  | Save as  | Always  | 
  | Always  | 
  | 
  | DTR  | DTR  | SPACE  | 
  | SPACE  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
n2  | Receive buffer size  | 4 k bytes  | 4 k bytes  | 40 bytes  | 
  | 40 bytes  | 
n3  | DSR signal check  | Checked  | Checked  | Not  | 
  | Not  | 
  | during setting status  | 
  | 
  | Checked  | Checked  | |
  | transmission  | 
  | 
  | 
  | 
  | 
  | 
6) N = 5
n1: Always “0”
n2: Always “0”
n3: Always “0”
n4: Always “0”
7) N = 6
n3: Always “0”
n4: Always “0”
Para. | Setting | 
  | “0” to “F”  | ||
  | 
  | 
  | 
  | 
  | |
n1  | Device ID (Parallel I/F only)  | 
  | 
  | ||
  | nPError signal (Parallel I/F only)  | 
  | 
  | ||
  | 
  | 
  | 
  | 
  | |
n2  | Busy condition (Star mode only) *1  | 
  | See below  | ||
  | Treatment of missing data  | 
  | 
  | ||
  | during reverse mode.*2  | 
  | 
  | ||
  | 
  | 
  | 
  | ||
  | 
  | n1  | Device ID  | ||
  | 
  | ||||
“0” or “2” or “4” or “6” or “8” or “A” or “C” or “E”  | Invalid  | ||||
  | 
  | ||||
“1” or “3” or “5” or “7” or “9” or “B” or “D” or “F”  | Valid  | ||||
  | 
  | 
  | 
  | ||
  | 
  | 
  | 
  | 
  | |
n1  | 
  | nPError signal  | 
  | ||
  | 
  | 
  | |||
“0” to “7”  | Paper end sensor  | 
  | |||
  | 
  | ||||
“8” to “F”  | Paper end sensor and+ Paper near end sensor  | ||||
  | 
  | 
  | 
  | ||
  | 
  | 
  | 
  | 
  | |
  | 
  | n2  | Busy condition  | ||
  | 
  | 
  | 
  | 
  | |
“0” or “2” or “4” or “6” or “8” or “A” or “C” or “E”  | Receive buffer  | ||||
full or offline  | |||||
  | 
  | 
  | 
  | ||
  | 
  | 
  | 
  | 
  | |
“1” or “3” or “5” or “7” or “9” or “B” or “D” or “F”  | Receive buffer  | ||||
full  | |||||
  | 
  | 
  | 
  | ||
  | 
  | 
  | 
  | 
  | |
42