| 摘要 |
PROBLEM TO BE SOLVED: To achieve the shortening of the recording start time by an ink jet head and the reduction of ink discharge to the outside at a time of purging to enhance economical effect by reducing the purging number of times by discharging air to the outside when an ink cartridge is mounted on a cartridge mounting part. SOLUTION: A cartridge mounting part 31 equipped with connection parts 37 inserted while brought into contact with the ink supply ports 40 of freely detachable ink cartridges 30a-30d housing ink when the ink cartridges 30a-30d are mounted and an ink jet head emitting ink supplied through the connection members 37 to a medium to be recorded to perform recording are provided and air vent parts 42 discharging air when the connection members 37 are inserted into the ink supply ports 40 are formed to at least one of the ink supply ports 40 and connection members 37. |
