Epson U220B - TM Two-color Dot-matrix Printer Technical Reference Guide

Rev. D Application Development Information 5-5
TM-U220 Technical Reference Guide
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.
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.
5.2.2 OPOS
Programming examples of how to use API function relating to a Cash Drawer are shown below.
5.2.2.1 Drawer Open/Close
Using the OpenDrawer method opens the cash drawer. The DrawerOpened property can be
used to check the current state of the drawer. To pause the program until the drawer is closed,
the WaitForDrawerClose method is used.
Below is as example of a program to open and close a cash drawer.
5.2.2.2 Checking Drawer Status
There are methods other than explained in section 5.2.2.1 that can be used to check drawer
status. A StatusUpdateEvent is fired whenever the drawer is opened or closed.
'get the current printer status
rtn = BiGetStatus(m_hApi, getstatus)
If rtn < 0 Then
ErrMsg (rtn) íError handling
Exit Sub
End If
If (getstatus And ASB_DRAWER_KICK) = ASB_DRAWER_KICK Then
MsgBox("Drawer is opened") íPin No.3 is high
Else
MsgBox("Drawer is closed")
End If
If Not OPOSCashdrawer1.DrawerOpened Then
OPOSCashdrawer1.OpenDrawer
OPOSCashdrawer1.WaitForDrawerClose 10000, 1000, 100, 100
End If

Epson U220B - TM Two-color Dot-matrix Printer Specifications

General

Brand	Epson
Model	U220B - TM Two-color Dot-matrix Printer
Category	Printer
Language	English