Image forming apparatus, control method thereof, and storage medium

An image forming apparatus comprising:

• a printing unit configured to convey a printing material via at least part of a conveyance path used for reading processing for an original document, and execute printing processing of an image on the printing material;
• and
• a control unit configured to, if the original document reading processing is not being executed when the printing processing of the image on the printing material is instructed, execute the printing processing without waiting for completion of the reading processing, and if the reading processing for the original document is being executed, execute the printing processing upon completion of the reading processing.

A method of controlling an image forming apparatus, comprising:

• a printing step of conveying a printing material via at least part of a conveyance path used for reading processing for an original document, and executing printing processing of an image on the printing material;
• and
• a control step of, if the original document reading processing for the original document is not being executed when the printing processing of the image on the printing material is instructed, executing the printing processing without waiting for completion of the reading processing, and if the reading processing for the original document is being executed, executing the printing processing upon completion of the reading processing.