Troubleshooting 440
Other Problems
Problem Action
Condensation has occurred
inside the printer.
This usually occurs within several hours after you heat the room in
winter. This also occurs when the printer is operating in a location
where relative humidity reaches 85% or more. Adjust the humidity or
relocate the printer to an appropriate environment.
"092-310", "092-910", or
"092-410" is displayed.
Clean the CTD sensor.
See also:
• "Cleaning the Color Toner Density (CTD) Sensor" on page 465
No Documents is displayed on
the LCD panel when you are
selecting a file for Print from USB
Memory feature.
Confirm that there are files with the supported file formats (PDF, TIFF,
or JPEG) in the USB storage device.
If the target file is in a deep hierarchy in the USB storage device,
move the file to the root directory on your computer.
Shorten the target file name in the USB storage device on your
computer, and try printing again.
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