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256 Troubleshooting
Problems Using Options
To confirm your options are installed correctly, print a status
sheet. See "Printing a Status Sheet" on page 245 for details.
The message Invalid AUX /IF Card appears on
the LCD panel
Paper does not feed from the optional paper
cassette
Cause What to do
The printer cannot read the
installed optional interface card.
Turn off the computer, then remove the
card. Make sure the interface card is of a
supported model.
Cause What to do
The optional lower paper cassette
may not be installed properly.
See "550-Sheet Universal Paper Cassette
Unit" on page 194 for instructions on
installing an optional paper cassette unit.
The paper source setting may not
be correct.
Make sure you have selected the proper
paper source in your application.
There may be no paper in the paper
cassette.
Load paper.
Too many sheets may be loaded in
the paper cassette.
Make sure that you have not tried to load
in with too many sheets of paper. For the
maximum paper capacity for each
paper source, see "MP tray" on page 38,
"Standard lower paper cassette" on page
39, and "550-Sheet Universal Paper
Cassette Unit" on page 39.
The paper size is not set correctly. Make sure that the correct paper size is
selected in the Tray Menu on the control
panel.