fits SOME configurations of many models (LP / D2 versions of finishers) including: 

For Xerox® WC-7556, 7855, & C8070 Families: : (WorkCentre) 7525 , 7530, 7535, 7545, and 7556 & (WorkCentre) 7830, 7835, 7845, 7855 and 7970, & AltaLink C8070, C8065, C8055, C8045, C8030 , 

- Also fits DC250 style: (DocuColor) DC-240 , 242 , 250 , 252 , 260 (WorkCentre) WC-7655 , 7665 , 7675, 7755, 7765, 7775 & Xerox® Color 550 , 560 , 570 , C60 , C70 , (Digital Color Press) DCP700 , DCP700i , DCP770 , C75, J75

- Also fits 4110 style: (WorkCentre) WC-4110 , 4112 , 4127, 4590, 4595, D95 , D110 , D125 , D136

- and finally these also are found in finishers on the V80 style: (Versant®) V80 , V180 , V2100 , V3100