HP LaserJet 4250 Service Manual - Page 314

1,500-sheet feeder paper-pickup drive assembly 1 Remove the following assemblies: ● Door. See 1,500-sheet feeder door. ● Rear and right-side covers. See 1,500-sheet feeder rear cover and 1,500-sheet feeder rightside cover. 2 Unplug the paper-pickup drive-solenoid harness connector from the assembly PCA (location J1005; callout 1). Remove four screws (callout 2). 3 Reach inside the 1,500-sheet feeder and push the rear feed roller up into its raised position to disengage the roller lifting arm from the clutch gear. 4 Remove the paper-pickup drive assembly. NOTE The top gear (callout 3) is not captive when the paper-pickup gear assembly is removed. It can easily slide off of the shaft and be lost. 3 2 1 Figure 6-132 1,500-sheet feeder paper-pickup drive assembly Reinstallation tip When you reinstall the paper-pickup drive assembly, reach up inside the 1,500-sheet feeder and push the rear feeder roller up into its raised position. Position the paper-pickup drive assembly onto the chassis (it should sit flush against the chassis) and then lower the roller into its resting position. This ensures that the feeder lever rests correctly on the clutched gear in the paper-pickup drive assembly. 300 6 Removing and replacing parts