User`s guide

SD/CD Series Card Printers User’s Guide 33
USB Installation Troubleshooting
Problem Solution
The cable is loose. Reconnect the USB cable to th
e ports on the PC and
the printer. Power the printer OFF, and then back ON.
If the PC and printer still do not communicate, restart
the PC.
The data cable is
dam
aged or frayed.
Power off the printer. Replace the cable if you have
a spare. Contact your service provider to order a
new data cable.
The system has a
tem
porary
communication
problem.
Check the following:
• USB extension cables can cause
communication problems. The recommended
USB cable is 6-ft. (2 meters) long. Make sure that
the cable is rated for USB 2.0 data transmission.
• If you are using a USB hub, a self-powered hub
is recommended.
The PC USB port does
not communicate with
th
e printer USB port.
Power management on the PC has shut down USB
communication.
Open the Device Manager and the list of USB
devic
es. Disable shutdown for each hub in the list.
You might need to restart the PC to make the
changes take effect.
Hibernation on a laptop PC requires several moments
to e
nable USB communication. Unplug the USB
printer port and then connect it again.
Replace the PC port or the PC. Contact your PC or
por
t vendor if you need assistance.