Error I/O Open
Posted by Admin (Helpdesk) on 25 February 2015 11:25
Error I/O Open
Error IO Open
The application is unable to open an Input/Output (I/O) channel to the printer in order send print data.
This generic error message refers to connection between the workstation and the printer and is often as a result of a physical connection problem.
There are a number of steps you can take in order to check and reset the connection and depends on the type of connection between the computer and the printer.
For Ethernet connection, check the following:
If all settings are correct you can then check the physical path to the printer from your workstation, by using the ping utility.
On windows this is done by running a DOS command box and entering the ping command followed by printer IP address, 192.168.1.16 for example:
$ ping 192.168.1.16
If the printer physical path is good and the printer is reachable a similar response to line below should come back.
Reply from 192.168.1.16: bytes=32 time<1ms TTL=64
If the printer physical path is not good and printer is unreachable, the following response will come back:
Reply from 192.168.1.16: Destination host unreachable
The following article from Microsoft has more details on TCP/IP troubleshooting
On Mac the ping utility can be found in network utility area and the similar messages are displayed.
USB connections are less reliable in general and do suffer outage after a period of time.
You can also check if the printer is visible to the workstation on USB bus through system device manager (exact instructions for that varies greatly among versions of operating systems). If you cannot see the printer as a device connected to the USB port, the physical connection has been interrupted and the application software will not be able to communicate.