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2.2 For GB3/GB5 Models (USB)
The fiscal unit response to the application program is contained in the fiscal unit status, which is 15 bytes
long (8 bytes for the fiscal printer status and 7 bytes for fiscal unit status).
The following figure shows the content of the fiscal status.
BYTE BIT
CONTENT
0
PRINTER UNIT STATUS
0 (LSB)
COMMAND LOADED
For USB buffered commands.
Set to 1 when the command is received into the print buffer.
Note: this is not when the line is actually printed.
COMMAND COMPLETE
For USB immediate command and flash storage commands.
Set to 1 when the command is complete.
1
CASH RECEIPT RIGHT HOME POSITION
Set to 1 when the print head is in the cash receipt right home position.
2
LEFT HOME POSITION
Set to 1 when the print head is in the left home position.
3
DOCUMENT RIGHT HOME POSITION
Set to 1 when the print head is in the document right home position.
RESERVED (Always = ' 0 ' )
4
5
RIBBON COVER OPEN
Set to 1 when the ribbon cover is open.
6
CASH RECEIPT PRINT ERROR
Paper cover is open or the CR station is out of paper.
7 (MSB)
COMMAND REJECT
1
PRINTER UNIT STATUS
0 (LSB)
DOCUMENT READY
Set to 0 when the DI station is ready for printing. This occurs when both
document sensors are made and the document has been fed to the first print position.
1
DOCUMENT PRESENT UNDER THE FRONT SENSOR
Set to 0 when a document is under the front document sensor.
2
DOCUMENT PRESENT UNDER THE TOP SENSOR
Set to 0 when a document is under the top document sensor.
RESERVED (Always = ' 1 ' ) .
3
4
PRINT BUFFER HELD
Set to a 1 when the print buffer is being held. Cleared when buffer released.
The printer may be held due to a hold buffer command or one of the following
printer errors:
- Ribbon cover open with commands to be printed on the DI station.
- CR print error with commands to the CR station.
5
OPEN THROAT POSITION
Set to 1 when the print head is in the open throat position.
6
BUFFER EMPTY
Set when there is no longer any print data or commands in the buffer.
7 (MSB)
BUFFER FULL
Set when only 512 bytes remain in the buffer.
Cleared when 3k bytes are free (RS-485 only).
Figure 3. Printer and Fiscal Unit Status - GB3/GB5 Models - Part 1 of 3
Page 22 of 183 — IBM 4610 SureMark Fiscal Printer Turkey - Models GR3/GR5/GB3/GB5 Programmin
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