

Original Sharp Saddle-Stitch Staple Cartridge
Sharp MX-SC12 Original Saddle-Stitch Staple Cartridge
Genuine Sharp MX-SC12 staples for the saddle-stitch unit — the part of a large-stacker finisher that folds and staples booklets down the spine. Supplied as four cartridges of approximately 2,000 staples each, roughly 8,000 staples per box.
Quick Glance
Key Features
100% Genuine Sharp Staples
Original Sharp MX-SC12 cartridges — the leg length and feed a Sharp saddle-stitch unit is built around.
Four Cartridges Per Box
Approximately 2,000 staples in each of four cartridges — roughly 8,000 staples per box.
For Booklet Stitching Only
This feeds the saddle-stitch unit that binds booklets down the spine, not the main corner stapler.
Detailed Specifications
- Sharp MX-FN31 — Saddle stitch finisher (large stacker), saddle-stitch unit
- Sharp BP-FN16 — 3K stacking 65-sheet staple / saddle stitch finisher
* Sharp's own published figure — approx. 2,000 staples per cartridge × four cartridges. Note this differs from Sharp's other staple cartridges, which are 5,000 × three.
Specifications are provided by the manufacturer and may be updated or changed without prior notice. AtomOffice is not responsible for any discrepancies between the information shown here and the manufacturer's official documentation.
Need-to-Know
- This cartridge feeds the saddle-stitch unit only. The main corner stapler on the same finisher takes the MX-SC11 — a machine used for booklets needs both.
- The pack maths differ from Sharp's other staples: four cartridges of approximately 2,000, not three of 5,000.
- Order by finisher model, not by copier model: the same Sharp copier can be fitted with several different finishers, and only the saddle-stitch models take this cartridge.
Official & Recommended Options
Frequently Asked Questions
A saddle-stitch unit folds a set of sheets in half and staples them through the fold to make a booklet. It uses its own smaller staple cartridge, separate from the corner stapler on the same finisher.
The saddle-stitch unit of the Sharp MX-FN31 saddle stitch finisher (large stacker), and the Sharp BP-FN16 staple / saddle stitch finisher.
If you use the finisher for ordinary corner stapling as well as booklets, yes. The MX-SC11 feeds the main stapler and the MX-SC12 feeds the saddle-stitch unit. They are not interchangeable.
Four cartridges per box, each holding approximately 2,000 staples — roughly 8,000 staples in total. That is Sharp's own published figure, and it deliberately differs from the 5,000 × three of Sharp's other staple cartridges.
Yes — original Sharp cartridges sourced through official Sharp channels, not a compatible alternative.
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