Sheet processing method

A method of processing plural sheets of objects to be processed while making use of a processing apparatus including a rotary processing part for rotating and drying plural sheets of the objects, counting means located outside of said rotary processing part for counting the number of objects, and balance adjusting means having at least one counterweight for adjusting the balance of said rotary processing part, said method comprising the steps of:

• counting the number of objects by the counting means;
• memorizing the number of objects counted by said counting means;
• accommodating the objects into said rotary processing part;
• adjusting the balance of said rotary processing part by moving said counterweight in accordance with a predetermined relationship between the number of objects memorized and a position of said at least one counterweight, said step of adjusting the balance of said rotary processing part being completed by the time said step of accommodating the objects into said rotary processing part has been completed;
• and
• rotating the objects collectively in order to process them in such a way that the step of rotating the objects is started as soon as the step of accommodating the objects into said rotary processing part has been completed.