User`s guide

Troubleshooting Troubleshooting Tips - 11
hooked end of the green cleaning brush. Reinstall the top cover and
cover liner and close the lid.
If you want to test pickup from the multipurpose tray or the
envelope feeder, you must maintain I/O connectivity (see
previous topic). You cannot run a service test page from any
source other than the standard 250-sheet cassette.
Caution: Do not let the pickup controller board brush up against
the metal chassis when performing this procedure.