HP CM6030 Service Manual - Page 761
Control the phase of the crescent roller,
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7. When the first sheet of the following stack reaches the No. 1 paper sensor, the guide moves to 10 mm from the edge of the stack for the next alignment. Figure 8-67 Paper alignment (6 of 8) Figure 8-68 Paper alignment (7 of 8) Alignment plate Alignment motor M5 Alignment plate Stack Paper positioning plate Alignment plate home position sensor (PI5) Figure 8-69 Paper alignment (8 of 8) In case of 2 sheets: Alignment plate home position sensor (PI5) Entry of Entry of 1st sheet of follow1st sheet 2nd sheet ing stack entry [1] [2] [3] [4] Alignment motor (M5) Paper positioning plate motor (M4) : Alignment : Escape [1]: Move to wait position [2]: Stapling period [3]: Paper folding/delivery period [4]: Move to following stack size wait position Control the phase of the crescent roller During alignment, the crescent roller can create friction against the roller causing the stack to move incorrectly. To prevent this problem, the crescent-roller phase sensor (PI12) identifies the phase of the crescent roller to determine the timing of alignment. The flag for the crescent-roller phase sensor is ENWW Theory of operation 715
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