Troubleshooting
Right Side Door Will Not Close
Probable Causes
The fuser is missing or the green levers on the fuser
are not locked.
The transfer belt is not properly installed. One or both
of the mounting screws is not tight.
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WorkCentre 6400 Multifunction Printer
User Guide
Solutions
Make sure that the green levers on the fuser are in
the locked position.
Tighten the two mounting screws.