Image forming apparatus

An image forming apparatus comprising:

• a reading section configured to read an original document;
• an operation section configured to allow a user input regarding an image reading setting of the reading section;
• a printing section configured to perform duplex printing including printing N sheets on first sides thereof and subsequently printing M sheets on second sides thereof when printing an image of the original document read by the reading section, wherein M is equal to or smaller than N;
• a determination section configured to determine the value of N based on the image reading setting;
• and
• a control section configured to control the printing section to perform the duplex printing in accordance with the value of N determined by the determination section.

An image forming apparatus comprising:

• a reading section configured to read an original document in a reading mode selected from a first mode of reading an image of the original document while conveying the original document and second mode of reading an image of the original document placed on a document placing table;
• a printing section configured to perform duplex printing including printing N sheets on first sides thereof and subsequently printing M sheets on second sides thereof when printing the image of the original document read by the reading section, wherein M is equal to or smaller than N;
• a determination section configured to determines the value of N at least based on the reading mode of the reading section;
• and
• a control section configured to control the printing section to perform the duplex printing in accordance with the value of N determined by the determination section.