Reading apparatus, control method for reading apparatus, and storage medium

A reading apparatus to convey a document set on a document tray and to read an image of the conveyed document, the reading apparatus comprising:

• a control unit configured to perform lifting control for lifting the document tray in a case where a first condition is satisfied and to perform lowering control for lowering the document tray in a case where a second condition is satisfied;
• and
• a judging unit configured to judge whether a prescribed period elapses after the lowering control of previous time is started,
• wherein the control unit does not perform the lifting control even if the first condition is satisfied in a case where the judging unit judges that the prescribed period does not elapse.

A method for a reading apparatus to convey a document set on a document tray and to read an image of the conveyed document, the method comprising:

• performing lifting control for lifting the document tray in a case where a first condition is satisfied and performing lowering control for lowering the document tray in a case where a second condition is satisfied;
• and
• determining whether a predetermined period elapses after the lifting control of previous time is started,
• wherein performing includes not performing the lowering control even if the second condition is satisfied in a case where it is determined that the predetermined period does not elapse.

A non-transitory computer-readable storage medium storing a program to cause a computer to perform a method for a reading apparatus to convey a document set on a document tray and to read an image of the conveyed document, the method comprising:

• performing lifting control for lifting the document tray in a case where a first condition is satisfied and performing lowering control for lowering the document tray in a case where a second condition is satisfied;
• and
• determining whether a predetermined period elapses after the lifting control of previous time is started,
• wherein performing includes not performing the lowering control even if the second condition is satisfied in a case where it is determined that the predetermined period does not elapse.