| 摘要 |
PROBLEM TO BE SOLVED: To prevent a transfer material from skewing and prevent image expansion/shrinkage, a color mislanding and an image shock by setting the nip position of a roller pair below the transfer material conveyance plane, and inclining the transfer material conveyance direction of a second conveyance means upward by a specific angle relative to the transfer material conveyance direction of a first conveyance means. SOLUTION: The nip position 10p of a pair of registration rollers 10 is located below the transfer material conveyance plane T of a transfer belt 71, and the transfer material conveyance direction 10a of the registration roller 10 is inclined upward byθ=10-30 deg. relative to the conveyance direction of the transfer belt 71. The restoring force of a transfer material P at the loop forming initial stage is reduced to allow even the transfer material P with a large weighing capacity (with high stiffness) to form a loop, and the restoring force is quickly reduced when the transfer material P forms the loop with a certain inherent value or above. Since the restoring force of the transfer material P applied to the suction roller nip 11p is reduced, the image expansion/shrinkage, color mislanding and image shock trace of the transfer material P during transfer can be prevented.
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