| 摘要 |
An image forming apparatus with comprises a pair of pinch rolls operable to press a web of donor sheet, supplied from a roll thereof, a receptor sheet together to accomplish an image development by an application of a pressure thereto, and an automatic loader operable to set a leader sheet, secured to a radially outermost end of the roll of donor sheet, in a sheet transport path including the pinch roll pair and then to secure the leader sheet to a take-up spool having an adhesive region formed thereon for connection with the leader sheet. The take-up spool is driven in a first direction about a longitudinal axis of the take-up spool during an automatic loading and in a second direction counter to the first direction about the longitudinal axis of the take-up spool during an image forming operation. The leader sheet has a leading end which is wound around and secured to the take-up spool then driven in the first direction, and the remainder of the leader sheet is folded backwards along a score line, defined therein, to overlay the leading end. The leading end of the leader sheet is formed with at least one through-hole for connection of the remainder of the leader sheet with the adhesive region on the take-up spoon through the through-hole after it has been folded backwards.
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