HP Point of Sale (POS) Peripherals Configuration Guide

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9.5 HP Receipt Printer
Question: When I run the sample application I receive a message stating dependencies not correctly
registered. How do I correct this?
Answer: If you run the cash drawer sample application and receive the following screen, it indicates
that either the CCO or the OPOS drivers are not installed and registered. Install the CCO
drivers and install the printer OPOS package. After the installation is complete, please
restart Windows.
Printer Sample Application Error message when you click on printer option
Question: What firmware version is required to be able to switch between native and printer class
mode on the A794 printer?
Answer: The A794 printer must have firmware 3.48 or later. If the printer has firmware prior to 3.48,
there is softpaq available on the HP.COM web site that will allow one to update the firmware.
Question: Can one switch the printer between native and printer class mode?
Answer: Yes, one may switch the printer between native and printer class mode. On the HP.COM
web site there is firmware softpaq that may be obtained that has the option to switch the
printer between printer class and native mode.
Question: How do I tell if the printer is in NATIVE or PRINTER CLASS mode?
Answer: One can obtain this information in one of two ways:
1 … Print out the diagnostic form on the printer by holding down the form feed button
when you close the printer cover. In the COMM. INTERFACE section of the print
out see if the USB DRIVER TYPE states NATIVE or PRINTER CLASS.
2 … Look in Windows device manager USB section. If it states HP USB Receipt
printer, the printer is in NATIVE mode. If you it has USB PRINTING SUPPORT,
the printer is in PRINTER CLASS mode.
Question: Downloaded an updated JAVA from the web site, now the JPOS test utility does not open?
Answer: The batch file sets the location where the runtime of JAVA folder is located. Need to change
the location in the batch file to reflect the update JAVA folder.