Liquid ejection head and inkjet printer

An inkjet printer comprising:

• an inkjet head configured to eject ink and including:
• a nozzle plate including a plurality of nozzles through which the ink is ejected, the nozzles being arranged in a first direction,
• a plurality of pressure chambers arranged in the first direction and each communicating with a corresponding one of the nozzles,
• a first common liquid chamber including:
• a first portion that extends in the first direction and communicates with each of the pressure chambers, and
• a second portion that is connected to an end of the first portion in the first direction, extends in a second direction orthogonal to the first direction, and is disposed in line with a row of the pressure chambers, and
• a first damper in the second portion of the first common liquid chamber;
• a conveyance belt configured to convey a recording medium in the second direction;
• and
• a controller configured to control the inkjet head to eject the ink onto the recording medium as the recording medium is conveyed by the conveyance belt.