OPC Drum for HP 1215.
For cartridges HP Color LJ CP 1215/ 1515/ 1525/ 2025/ CM1415/ M351/ M375/ M451/ M475/ M251/ M276, Canon LBP-5050/ 8050, Canon 716/ 718.
It's very cheap, but high quality. After changing an original opc drum you may refill cartridge 4 times (if you use good toner, of course) and print 10000 sheets.
On OPC drum state depends: paper quality, wrong cut paper abrades edges on opc drum faster or rough paper abrades varnish, also toner affects - bad-quality toner frays OPC drum.