Star Micronics Dot Impact Printer - Manual (Page 91)

5-1
STAR Command Specifications
Rev. 0.70
5. APPENDIX
5-1 Status Specifications
This function is effective only when using an interface capable of bi-directional data communications.
Refer to your printer’s product specification manual to verify if the interface cable on the printer you use is capable of
bi-directional data communications.
5-1-1 ENQ Command Status
This status is the one the printer transmits using the ENQ command.
Bit Contents
Status By model
“0” “1”
BD100 SP2000 BD500 SP500 SP700
7 Compulsion SW Open Closed ○ ○ ○ ○ ○
6 Buffer overflow No error Overflow ○ ○ ○ ○ ○
5
Reception Buffer
Empty
Has Data Empty ○ ○ ○ ○ ○
4 Fixed at “0” - - - - - -
3 Paper end Paper No paper ○ ○ ○ ○ ○
2 Mechanical Error No Error Error ○ ○ ○ ○ ○
1 Framing Error No Error Error ○ ○ ○ ○ ○
0 Parity Error No Error Error ○ ○ ○ ○ ○
• Framing error/parity error
These errors occur when using a serial I/F.(For anything other than a serial interface, always Bit 0 = Bit 1 = 0.)
With these errors, the information at that time is held and the error status is sent when there is an inquiry of the status
by this command.
• Compulsion SW
When the conversion switch is ON, Bit 7 = 1.
5-1-2 EOT Command Status
This status is the one the printer transmits using the EOT command.
Bit Contents
Status By model
“0” “1”
BD100 SP2000 BD500 SP500 SP700
7 - - - - -
6 - - - - -
5 - - - - -
4 Fixed at “1” - - - - - -
3 Paper end Paper No paper ○ ○ ○ ○ ○
2 Paper near-end Paper No paper x ○ x ○ ○
1
Black mark detection
error
No Error Error x x ○ ○ ○
0 Fixed at “0” - - - - - -
• Paper end
Same as the ENQ status Bit 3
• Bit 5 to 7 states are unknown