HP Point of Sale (POS) Peripherals Configuration Guide

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6.1.3 Windows Drivers for the Cash Drawer Drivers
There are no Windows drivers for the cash drawer. The cash drawer is controlled by the printer
Windows mini-drivers thus the printer drivers need to be installed to electronically open the cash
drawer.
Confirm that the cash drawer is connected to the back of the printer via the cash drawer cable.
6.1.4 Cash Drawer Decimal Commands
Some POS application that use the Windows mini-drivers request the cash drawer open
command so the application can open the cash drawer (i.e. No Sale). The following the decimal
commands when attached to the HP receipt printer:
Cash drawer 1
Cash Drawer 2
27 112 0 8 8
27 112 1 8 8
Detailed explanation of the cash drawer command: