Solving Printing Problems - Lexmark C780 User Manual

Solving printing problems

Symptom
The operator panel
display is blank or
displays only diamonds.
The message Error
reading USB drive
appears when using a
USB device.
Jobs do not print.
Held jobs do not print.
Job takes longer than
expected to print.
Troubleshooting
Cause
The printer self test
failed.
The USB device you are
using may not be
supported or has an
error. Only specific USB
flash memory devices
are supported.
The printer is not ready
to receive data.
The specified output bin
is full.
The specified tray is
empty.
You are using the wrong
printer driver or are
printing to a file.
Your MarkNet N8000
series internal print
server is not set up
properly or is not
connected properly.
You are using the wrong
interface cable, or the
cable is not securely
connected.
A formatting error has
occurred.
The printer has
insufficient memory.
The printer has received
invalid data.
The job is too complex.
Page Protect is set to
On.
Solving printing problems
Solution
Turn the printer off, wait about 10 seconds, and turn the
printer back on.
Performing Self Test appears on the display. When the
test is completed, the Ready message is displayed.
If the messages do not appear, turn the printer off and call for
service.
For information regarding tested and approved USB flash
memory devices, see the Lexmark Web site at
www.lexmark.com.
Make sure Ready or Power Saver appears on the display
before sending a job to print. Press
the Ready state.
Remove the stack of paper from the output bin, and then
press .
Load paper in the tray.
• Verify that you selected the printer driver associated with
the Lexmark C780, C782.
• If you are using a USB port, make sure you are running
Windows Vista, Windows 2000, Windows XP, or
Windows Server 2003 and using a Windows Vista,
Windows 2000, Windows XP, or Windows Server 2003
compatible printer driver.
Verify that you have properly configured the printer for
network printing.
See the Software and Documentation CD or go to the
Lexmark Web site for information.
Make sure you are using a recommended interface cable.
Make sure the connection is secure.
• Print the job. (Only part of the job may print.)
• Delete the job.
• Free up additional printer memory by scrolling through the
list of held jobs and deleting others you have sent to the
printer.
Delete the job.
Reduce the complexity of your print job by eliminating the
number and size of fonts, the number and complexity of
images, and the number of pages in the job.
Set Page Protect to Off from Print Recovery.
For more information, see the Menus and Messages Guide.
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to return the printer to