Troubleshooting
391
11
11
11
11
11
11
11
11
11
11
11
11
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 paper guides are not set
correctly.
Make sure that the paper guides in the
optional paper cassettes are set to the
correct paper size positions.
The optional paper cassette may
not be installed properly.
See "Optional Paper Cassette Unit" on
page 272 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 into the selected paper
source.
Too many sheets may be loaded in
the paper cassette.
Make sure that you have not tried to load
too many sheets of paper. For the
maximum paper capacity for each
paper source, see "MP tray" on page 41,
"Standard lower paper cassette" on page
42, and "550-sheet/1100-sheet Paper
Cassette Unit" on page 42.
The paper size is not set correctly.
Make sure to set the paper guides in the
optional paper cassette correctly.
