HP LJ 5Si Registration Assembly Teardown

Orientation: For this procedure, 'right end' is the clutch end. The unit is right side up on the bench in front of you.

1) Clutch
>One e-clip.

2) Two Tension Springs

3) Upper Bronze Bearings (6mm bore)
>Two e-clips.

4) Upper Roller w/Flap
>NOTE: Take care not to distort the ground continuity strap at the left end. It's hooked onto the edge of the frame.
>Remove roller from flap.
>Remove gear from roller.
>REASSEMBLY NOTE: Ensure that the clear mylar strip on the flap ends up on top of the roller, not under it, and ensure that the ground continuity strap is hooked back in place.

5) Left End Lower Roller Gear
>One claw.

6) Lower Bronze Bearings (8mm bore)
>Two e-clips.

7) Lower Roller
>It's free of the frame once the two bearings are off,.
>Remove its gear.

8) Scrub gears and bearings with Varsol. Air dry.

9) Clean the rollers with lacquer thinner.

10) Clean remaining parts as required.

11) Inspect/Service the clutch per this article.

12) Reassemble. Check that all screws are snug.

13) Lubricate the bronze bearings with light mineral oil.