Xerox / Tektronix Phaser 7700

My 7700 is currently not working.  on the display it cycles through these messages:
Print Cart 1 is missing
Print Cart 2 is missing
Print Cart 3 is missing
Print Cart 4 is missing
Tray 1 is missing
Lower left door is open.

I've tried resetting the nvram in the support tools with no luck.
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That's an easy one. Below the Multi-purpose tray is an access door sometimes (rarely) used to clear paper jams. This door is not fully closed. You'll find that the top rear corner of that door sticks out slightly. Give it a thump to close it completely and you'll be in business again.

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evileyejoeAuthor Commented:
bloody door.. actually found it this morning when i was looking over the machine.
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