Compatible Sharp Cartridge chip AR-237 1) Use in Sharp cartrdige chip AR-237 2) Cartridge chip, in Stability and Durability; 3) Each Cartrdige chip with a Unique Sequence Number; 4) Use Superior IC for toner chip; 5) Best price, Best quality, with excellent aftersell service. Features: Model No.: AR-237 Use In: AR-277 Color: K Versions: ST Remark: 1) Fast Delivery: within 1-3 working days; 2) Packing: neutral packing, anti-static bag, individual packing; 3) Guarantee: 100% return and replacement if quality problem; 4) Quality Control: QC test strictly before shipping. Defective rate is less than 0.3% . Please contact with us get further pricelist