Cash Drawer Control; Advanced Printer Driver - Epson TM-U330 Technical Reference Manual

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5.2 Cash Drawer Control

5.2.1.1 Drawer Open

When you control a drawer which is connected to this printer using APD, you have 2 methods to open the

drawer. The first method is using "Control font," second is using "Status API."

Below is as example of a program (Visual Basic) to open a cash drawer using Control font.

'Execute open cash drawer1.

Printer.Font.Name = "control"

Printer.Print "A"

Below is as example of a program (Visual Basic) to open a cash drawer using Status API.

'call api to open the drawer1

rtn = BiOpenDrawer(m_hApi, EPS_BI_DRAWER_1, EPS_BI_PULSE_100)

Note: Program needs to call "BiOpenMonPrinter" before calling "BiOpenDraewer."

5.2.1.2 Checking Drawer Status

You can get drawer status by using Status API. Below is examples of program which checks the drawer

status.

'get the current printer status

rtn = BiGetStatus(m_hApi, getstatus)

If rtn < 0 Then

ErrMsg (rtn) 'Error handling

Exit Sub

End If

If (getstatus And ASB_DRAWER_KICK) = ASB_DRAWER_KICK Then

MsgBox("Drawer is opened")

Else

MsgBox("Drawer is closed")

End If

There are the other checking method (Bi BiSetStatusBackFunction, BiSetStatusBackWnd) in Status API.

Refer to the Status API User's Manual and the sample programs for detail.

'This calling means "open the drawer1 with 100msec pulse."

'Pin No.3 is high

'This"A" means "open the drawer1 with 50msec pulse."

Application Development Information 5-4

TM-U330 Technical Reference Guide

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