Features: Compatible MG6310 MG6320 MG6350 MG6380 MG7120 MG7150 MG7180 IP8720 IP8750 IP8780 MG7140 MG7550 MG7740 MG6330. In print entered please turn off the power of the printer. After loading the print for head, don'for t install ribbon overhead 10 pieces of A4 document, and then put the ribbon. If the original print for head was broken and especially leaked ink, the mainboard has burned possibly, so please troubleshoot the problem of the mainboard before replacing the print for head. The F1,F2 fuze wire of mainboard can only be replaced by the original fuze that has same current value and same model. If you are not familiar with the machine, it is recommended that you had better send the print for head to a repair station or find professionals to replace the nozzle, to avoid losses and trouble. Specifications: Material: ABS Model: QY6-0083 Size:approx. 8x4.2x3.7cm/3.15x1.65x1.46inches Color: black and white/color Used for: MG6310 MG6320 MG6350 MG6380 MG7120 MG7150 MG7180 IP8720 IP8750 IP8780 MG7140 MG7550 MG7740 MG6330 IP8700 Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x QY6-0083 Print for Head