Fiscal Printer

In order to easily interface with different brands of fiscal printers and use their same functions, this module defines a unified interactive data structure and interfaces. By implementing these interfaces to interact with a certain certain brand of fiscal printer.

Interactive data structure

Fiscal.Receipt

| Name | Desc | | --- | --- | | operator | to identify the operator | | sales | sale items or cancel sale items | | lottery | national lottery unique customer code | | refunds | refund items or cancel refunds | | subtotals | | | payments | | | barCode | | | qrCode | | | graphicCoupon | | | openDrawer | |

Fiscal.Report

| Name | Desc | | --- | --- | | type | report type: daily financial report or daily fiscal closure or both | | operator | | | timeout | | | openDrawer | |

Fiscal.Cancel

| Name | Desc | | --- | --- | | type | void or redund | | zRepNum | daily fiscal closure report number | | docNum | document number | | date | | | fiscalNum | fiscal serial number of the printer | | operator | |

Fiscal.Command

| Name | Desc | | --- | --- | | code | command type | | data | data required by the command |

Interfaces

• printFiscalReceipt(receipt: Fiscal.Receipt)

• printFiscalReport(report: Fiscal.Report)

• printCancel(cancel: Fiscal.Cancel)

• executeCommand(...commands: Fiscal.Command[])

Usage

• Epson Fiscal ePOS-Print XML Examples

// Create a client
const fprinter: FPrinter.Client = new EpsonXmlHttpClient({
    host: '192.168.1.1',
    deviceId: 'local_printer',
    timeout: 10000
});

// Fiscal receipt
await client.printFiscalReceipt({
    sales: [
        {
            type: Fiscal.ItemType.HOLD,
            description: 'A',
            quantity: 1,
            unitPrice: 5
        },
        {
            type: Fiscal.ItemType.HOLD,
            description: 'B',
            quantity: 2,
            unitPrice: 2.5
        },
        {
            type: Fiscal.ItemType.HOLD,
            description: 'C',
            quantity: 3,
            unitPrice: 3
        },
    ],
    payments: [
        {
            description: 'Payment in cash',
            payment: 19
        }
    ]
});

// Fiscal Report
await client.printFiscalReport({
    type: Fiscal.ReportType.DAILY_FISCAL_CLOUSE,
});

Implemented

| Epson | | --- | | Fiscal ePOS-Print XML |