Troubleshooting 283
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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 260for details.
The message Invalid AUX/IF Card appears on the
LCD panel
Paper does not feed from the optional 550-Sheet
Paper Cassette Unit
Printing cannot be performed
using the network interface.
Click Advanced on the PostScript sheet
of the printer’s Properties dialog box,
and then change the Data Format setting
from ASCII data (default) to Tagged
binary communications protocol.
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 Paper Cassette Unit A4”
on page 191 for instructions on
installing an optional 550-Sheet Paper
Cassette Unit.