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Paper Input Unit (PIU)
Caution
Remove both Tray 2 and Tray 3 to prevent damage to the PIU plastic sensor
flags.
1 Remove Tray 2 and Tray 3.
2 Remove the back cover (see Figure 6-4).
3 Remove the Tray 1 Assembly (see Figure 6-52).
4 Remove the Right Lower Door Assembly (see Figure 6-14).
5 Remove (4) screws, CH102 (Figure 6-31, callout 1).
6 Slide the assembly out from the chassis approximately 3 inches and unplug
the connector inside the right end (Figure 6-31, callout 2).
7 Continue sliding the assembly out of the chassis.
Paper Input Unit
To Reinstall:
Make sure that Trays 2 and 3 are removed when reinstalling the Paper
Input Unit.
Note
The LaserJet 5Si HM printer (C3124A) requires a unique paper input unit.
Figure 6-31
6-46 Removal and Replacement