HP LaserJet 4250 Service Manual - Page 103

Maintaining the stapler unit Follow these instructions to maintain the stapler unit. To remove and replace the stapler unit 1 Locate the stapler unit on the right side of the stapler/stacker. 2 Rotate the stapler unit toward the front of the printer until the unit clicks. Hold the stapler unit in this open position. 3 Push down on the tab at the top of the stapler unit. 4 Hold the tab down and pull the stapler unit up and out of the stapler/stacker. 5 Disconnect the cable that connects the stapler unit to the stapler/stacker. (Only the blue part detaches.) Figure 4-3 Replacing the stapler unit (1 of 2) 6 Remove the new stapler unit from its packaging. 7 Connect the cable on the new stapler unit to the stapler/stacker. 8 Place the pivot pin that is located on the bottom of the new stapler unit into the hole in the stapler/ stacker (located in the cavity that was created when the staple unit was removed earlier in this procedure). 9 Press down on the tab at the top of the stapler unit and push the unit into the stapler/stacker. 10 Rotate the stapler unit toward the rear of the printer until the unit clicks into place. 11 If the stapler cartridge is not installed in the stapler unit, install it now. (See To load staples.) Figure 4-4 Replacing the stapler unit (2 of 2) Maintaining the stapler unit 89