User`s manual

MP-4000 TH POS Printer Rev.1.4 Programmer’s Manual

22-aug-2007

Firmware Release: 1.5

3.7 Communication

ENQ

[Function] Serial communication status enquiry

[Format] ASCII ENQ

Hexadecimal 05

Decimal 05

[Description] After this command is issued, the printer returns a status by the serial

RS-232 communication port, defined below.

3.7.1 Serial interface status byte

The serial interface status byte is composed of 8 bits – 7 through 0 – the most

significant bit is Bit 7 and the least significant bit is Bit 0.

Status bit number Logic “0” Logic “1”

0 Printer Off Line Printer On Line

1 Replicates Drawer status

2* Drawer pin low Drawer pin high

3 Print head raised Print head down

4 Paper Full Paper Near End

5 Command not executed Command executed

6 – 7 Not used (will always be logic “0”)

* Refer to your drawer’s manual to know what this levels mean.

GS ° 1

[Function] Serial / USB communication advanced status

[Format] ASCII GS ° 1

Hexadecimal 1D F8 31

Decimal 29 248 49

[Description] After this command is issued, the printer returns a status by the serial

RS-232 communication port, defined below.