Removal and Replacement
Left Side Assemblies
Gear Train Assembly
The Gear Train Assembly is located on the left side of the printer,
under the Formatter PCA. The steps and pictures here are for the
LaserJet 4L/4ML. The LaserJet 4P/4MP is slightly larger but very
similar.
1.
2.
3.
4.
5.
Remove the Printer Cover and Formatter PCA (Figure 6-13).
Loosen (do not remove) the (2) upper self-tapping Main Motor
screws (Figure 6-15, callout 1),
Through the access holes (Figure 6-15, callout 2), remove the (2)
screws securing the Gear Train grounding springs (small
diameter machine screws with captive star washers). These
screws are connected to the DC Controller Assembly.
Remove the (6) self-tapping screws (Figure 6-15, callout 3).
Pull the Gear Train Assembly straight out to remove. Keep the
gear side of the assembly face up (g=ars are held in place by
light pressure only and may fall off if the assembly is tilted).
Figure 6-15 Removing the Gear Train Asswnbly (bswJet 4Lshcwm)
(continued on next page)
6-17
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