Each ink cartridge with New Chip is methodically tested by our Quality Control team to ensure 100% compatibility and reliability. PG1200 XL Black Ink Cartridge (1200 Yield) PG1200 XL Color Ink Cartridge (900 Yield) Compatible for the following Printers: MAXIFY MB2320 Printer MAXIFY MB2720 Printer MAXIFY MB2020 Printer MAXIFY MB2120 Printer MAXIFY MB2050 Printer MAXIFY MB2350 Printer Warm tips: ?When installing these cartridges, the printer may prompt as "Low Ink" or even "empty". "NON-ORIGINAL" This is VERY COMMON with remanufactured cartridges as the ink gauge cannot be reset. To resume printing, click "OK" or "Continue" through any prompts. If your printer has an LCD screen, press "OK" on it. ?If appear "REPLACE CARTRIDGES", please wipe the chip with the rubber eraser, or re-install it several times. Please feel free to contact us if there are any problems happen.