Ricoh MPC4501 Color Drum Modification

[eric7357]

Hi

I have comes to confusion on the color drum on the Ricoh MPC4501

I always use B2242042 on C4000/5000/3500/4500, all I need to do is file the corner on B2242042.

But now I try to put the B2242042 with corner filed, it doesn't work.

I just want to know which color drum I should use for Ricoh MPC4501, is B2242042 or D0292256?

And what exactly I should do..

Thank you