Liquid ejection apparatus

A liquid ejection apparatus, comprising:

• a liquid ejection portion configured to eject a liquid from a plurality of nozzles onto a medium to perform printing;
• a liquid accommodation portion having a replenishing port for replenishment with a liquid and being configured to accommodate a liquid to be supplied to the liquid ejection portion;
• an image reading portion configured to read an image;
• and
• a control portion, wherein
• the control portion
• enables use of the image reading portion whether or not the liquid accommodation portion is replenished with a liquid, in a state in which a liquid accommodation amount being an amount of a liquid accommodated in the liquid accommodation portion is less than a liquid threshold value, and there is no possibility of reduction in product quality, and
• prohibits use of the image reading portion until the liquid accommodation portion is replenished with a liquid, in a state in which the liquid accommodation amount is less than the liquid threshold value, and there is possibility of reduction in product quality.

A liquid ejection apparatus, comprising:

• a liquid ejection portion configured to eject a liquid from a plurality of nozzles onto a medium to perform printing;
• a waste liquid mounting portion on which a waste liquid accommodation portion configured to accommodate a liquid being a waste liquid discharged from the liquid ejection portion is removably mounted;
• and
• a control portion, wherein
• the control portion
• enables use of the image reading portion whether or not the waste liquid accommodation portion is replaced, in a state in which a waste liquid accommodation amount being an amount of a liquid accommodated in the waste liquid accommodation portion exceeds a waste liquid threshold value, and there is no possibility of reduction in product quality, and
• prohibits use of the image reading portion until the waste liquid accommodation portion is replaced, in a state in which the waste liquid accommodation amount exceeds the waste liquid threshold value, and there is possibility of reduction in product quality.