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Troubleshooting 383
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Problems Using Options
To confirm your options are installed correctly, print a status
sheet. See "Printing a Status Sheet" on page 281 for details.
The message Invalid AUX /IF Card appears on
the LCD panel
The paper guides are not set
correctly.
Make sure that the paper guides in all the
paper cassettes are set in the correct
paper size positions.
The paper source setting may not
be correct.
Make sure that you have selected the
correct paper source in your application.
There may be no paper in the
cassettes.
Load paper into the selected paper
source.
The size of loaded paper differs from
the control panel setting.
Make sure that the correct paper size is
set in the control panel’s Paper Source and
MP Tray Size settings.
Too many sheets may be loaded in
the MP tray or paper cassettes.
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 42,
"Standard lower paper cassette" on page
42, or "Optional paper cassette unit" on
page 43.
If paper does not feed from the
optional paper cassette unit, the
unit may not be installed properly.
For instructions on installing the unit, see
"Optional Paper Cassette Unit" on page
289.
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.