Liquid ejecting apparatus, method of controlling liquid ejecting apparatus, liquid transfer apparatus, and method of controlling liquid transfer apparatus

A method of controlling a liquid ejecting apparatus including

• a tube configured to establish communication of a flow channel by connecting an ejecting portion configured to eject a liquid to an ejection target medium to a container configured to contain the liquid to be supplied to the ejecting portion,
• a valve mechanism configured to switch between a close state of pressing and closing the tube and an open state of opening the tube depending on a rotational position of a cam member configured to be driven by a driving source, and
• a detection unit configured to detect whether the valve mechanism is in the close state or in the open state,
• the method comprising:
• driving the driving source by a predetermined amount in a case of opening the valve mechanism;
• waiting for a predetermined standby period after driving the driving source;
• and
• obtaining a detection result of detection of a detection target portion provided to the valve mechanism by the detection unit after a lapse of the predetermined standby period.

A liquid transfer apparatus comprising:

• a tube configured to form a flow channel to transfer a liquid;
• a valve mechanism configured to switch between a close state of pressing and closing the tube and an open state of opening the tube depending on a rotational position of a cam member configured to be rotated by a driving source;
• and
• a detection unit configured to detect whether the valve mechanism is in the close state or in the open state, wherein
• the valve mechanism includes a detection target portion, and
• the detection unit detects whether the valve mechanism is in the close state or in the open state by detecting the detection target portion.

A method of controlling a liquid transfer apparatus including

• a tube configured to form a flow channel to transfer a liquid,
• a valve mechanism configured to switch between a close state of pressing and closing the tube and an open state of opening the tube depending on a rotational position of a cam member configured to be rotated by a driving source, and
• a detection unit configured to detect whether the valve mechanism is in the close state or in the open state,
• the method comprising:
• driving the driving source by a predetermined amount in a case of opening the valve mechanism;
• waiting for a predetermined standby period after completion of driving the driving source;
• and
• obtaining a detection result of detection of a detection target portion provided to the valve mechanism by the detection unit after a lapse of the predetermined standby period.