HP CM6030 Service Manual - Page 765
Folding position 1 of 5
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each other tightly, and paper starts to be folded at this position. The upper and lower rollers feed paper while folding it and stop at the folding position. At the upper half of the periphery where the thickness is reduced, the upper and lower paper-folding rollers do not contact each other except at the center, so they only feed the paper to prevent paper from being wrinkled. The paper-folding start and stop positions are controlled by the number of motor pulses delivered from the paper-folding home-position sensor (P121). Figure 8-76 Folding position (1 of 5) Paper pushing plate top position sensor (PI15) Paper pushing plate home position sensor (PI14) Paper folding roller (upper) Sensor flag Paper folding home position sensor (PI21) Paper pushing plate Paper folding roller (lower) Portion which the thickness is reduced M8 M2 Paper pushing plate motor Stack of sheets Paper folding motor Figure 8-77 Folding process (2 of 5) Paper pushing plate top position sensor (PI15) Paper pushing plate home position sensor (PI14) Sensor flag Paper folding home position sensor (PI21) Paper pushing plate M8 M2 Paper pushing plate motor Paper folding motor ENWW Theory of operation 719
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