Hello Kong,
I searched the Knowlegebase and found that code. It is a Developer Mode Error Message. If you have try to power off and on and that didn't fix it you will need to contact your local Support.
i have an issue with WorkCentre 6015, when i print a PDF file its only print one of the file then the scond paper jam. i try to changed the paper settings but still same issue. and now the printer not printing any. it shows me
042-372
-------------
Code: 1000000
Restart Printer
please help me