Canon MultiPASS C560 User Manual page 316

The printed output is not what you expected.
There may be a communication problem between the MultiPASS and your PC.
I
Make sure the PC and the application are configured correctly for communicating with the
MultiPASS.
The parallel cable may not be securely connected to the MultiPASS and the PC.
I
Check the parallel cable connection.
The parallel cable may not be the correct type.
I
Make sure the cable is a Centronics-compatible parallel cable with bi-directional capability
(IEEE 1284-compliant) and is less than 6.6 feet (2 meters) in length.
The parallel cable may be too long.
I
Make sure you are using a parallel cable that is less than 6.6 feet (2 meters) long.
You may not be using the correct printer driver.
I
Make sure you have selected the MultiPASS printer in your application.
Another hardware device or software application is attempting to communicate with the same
parallel interface port to which the MultiPASS is connected.
I
Disconnect the peripheral device and uninstall or remove any software associated with this
device and any software communicating with the parallel interface port.
You may not have the best Print Mode Set selected.
I
Try selecting another print mode (see
Chapter 8
page 3-6).
Troubleshooting 8-21