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HP LaserJet 4250 - Page 160

HP LaserJet 4250
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Figure 5-26 Staple-mode feed and delivery diagram (4 of 6)
Stapler/stacker operation depends on whether the device detects the final page in the staple job.
No. The feed motor (M1101) changes speed and another page enters the stapler/stacker. The
stapler/stacker-driver PCA activates the jogger motor and the jogger guide moves to align the
media stack horizontally. The stapler/stacker-driver PCA activates the paddle motor and the
paddle pushes the page up against a guide to align the media stack vertically. The delivery
deflector moves into position to allow the next page to enter the stapler/stacker.
Yes. The feed motor (M1101) turns off. The stapler/stacker-driver PCA activates the jogger
motor and the jogger guides move inward to align the media stack horizontally. The stapler/
stacker-driver PCA activates the paddle motor and the paddle pushes the page up against a
guide to align the media stack vertically. Then the pages are stapled.
Figure 5-27 Staple-mode feed and delivery diagram (5 of 6)
After the pages are stapled, the stapler/stacker-driver PCA activates the feed motor (M1103;
counterclockwise) to again engage the upper and lower delivery rollers. The stapled stack is moved
all of the way out onto the jogger guides. The stapler/stacker-driver PCA activates the jogger motor
146 5 Theory of operation

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