Hey you!
Have a look HERE when it comes to supported paper.
Remember that if you use heavier paper than supported you will shorten the life of ur printer, you will wear out rollers and fuser etc.
And when it comes to higher resolution, have a read through THIS link.
The print driver can send a job thats up to 600 x 600 dpi.
The printer do have a feature called Xerox Hi-Q which produce an interpolated output of 1200 x 2400 dpi.
Best Regards
Kimzi
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