| 摘要 |
PROBLEM TO BE SOLVED: To form not only a normal fold section but also a smaller fold section and a pamphlet by giving an image forming material to a bonding area oppositely aligned with a bonding area of an adjacent sheet when the sheet is associated to be bonded. SOLUTION: A booklet 15 is formed with eight pages of four sheets 21 to 24, which are formed as half sheets from two document sheets 11, 12. The sheets 11, 12 are bound at both sides of a centerline 31, and bonding areas 35 to 36 of the sheet 12 and bonding areas 37 to 38 of a rear side of the sheet 11 are executed with a laser toner. When the sheets 11, 12 are associated to form a bound area booklet 15, the areas 35, 37 and 36, 38 executed with toner are oppositely aligned, and the toner is operated as a bonding agent. When printing is finished and a bonding is prepared, the sheets 11, 12 are sent between bars 41 and 42, compressed at the areas 35, 37, and a heat is applied by a heater 45 to fusion bond the toner. |
