26 FP-550F
DETAILED DESCRIPTION OF THE COMMANDS
Note: All examples here-presented relate to a fiscal printer for use in Bulgaria.
21h(33) Clearing the display
Data field: no data
Response: none
A clear display command is sent. If a fiscal receipt is opened and SW3 is OFF only
the lower line is cleared.
23h(35) Text on the lower line of the display
Data field: Text
Response: none
Text A text of up to 20 symbols sent directly to the display. Prior to this a command
for positioning and clearing the lower line is sent.
26h (38) Opening a non-fiscal receipt.
Data field: none
Response: Allreceipt, ErrCode
Allreceipt The number of all issued receipts (fiscal and non-fiscal) from the last daily
closure on (4 bytes).
ErrCode Error code when the command is unsuccessful /1 byte/.
The FP performs the following actions:
- Prints the header
- Print the tax registration number of the seller
- A response is received which contains Allreceipt
If the command cannot executed S1.1 is raised and ErrCode contains the code of the
error.
- The fiscal memory has not been formatted
- There is an opened fiscal receipt
- There is an opened non-fiscal receipt
- The clock is not set
27h (39) Closing a non-fiscal receipt.
Data field: none
Response: Allreceipt
Allreceipt The number of all issued receipts (fiscal and non-fiscal) from the last daily
closure on (4 bytes).
The FP performs the following actions:
- Prints the footer
- The sequence number, date and hour of the document are printed