Staple Section; Alignment Mechanism - Konica Minolta Bizhub 501 Service Manual

5. OPERATION
5.5

Staple section

5.5.1

Alignment mechanism

• While in the staple mode, paper is conveyed to the handling tray for alignment operation.
• The alignment in the main scan direction is made by the movement of the alignment plate, and the align-
ment in the sub scan direction is made by the rotation of the paddle.
A. Alignment plate
• The movement of the alignment plates /Fr [5] and /Rr [1] is made by the normal/reverse drive of the align-
ment motor (M5) [2].
• The alignment plates /Fr and /Rr move with the position at the center of paper as a reference and the home
position is detected by the alignment home sensor (PS9) [4].
• The distance of movement of the alignment plate is variable according to the paper size.
• The alignment operation is made each time paper is conveyed to the handling tray.
[5]
[4]
[1] Alignment plate /Rr
[2] Alignment motor (M5)
[3] Handling tray
(1) Control
1.
When the intermediate conveyance sensor (PS3) detects the leading edge of the 1st paper of the job, M5
rotates in the normal direction to conduct a size movement.
2.
A specified period of time after PS3 detects the trailing edge of paper, M5 rotates in the normal direction to
conduct the paper alignment. And it rotates in the reverse direction to return to the size standby position.
28
[3]
[4]
[5]
[6]
Theory of Operation Ver.1.0 May. 2008
[6]
[2]
Alignment home sensor (PS9)
Alignment plate /Fr
Paper exit roller
[1]
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