Upper Cooling Fan - HP LaserJet II Serie Manual De Instrucciones

HP 33440/HP 33449 COMBINED SERVICE MANUAL
UPPER COOLING FAN
1.
Remove the Ozone Filter Mount as described above.
2. To remove the Upper Cooling Fan, which rests on the AC Power Module
remove the connector and the screws (3) that secure it to the module.
(see Figure 6-15),
Ensure the Upper Cooling Fan wires are routed properly before securing the Ozone Filter Mount.
AC POWER MODULE
Warning
Disconnect the Power Cord from the printer prior to servicing the AC Power
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Module. Also allow time for the Fusing Assembly to cool before attempting to
service this portion of the printer.
The AC Power Module, located below the Upper Cooling Fan, is shown in Figure 6-15. The Circuit
Bre&er is located at the frontmost end of the AC Power Module beneath the Ozone Filter Mount.
1. Disconnect the Power Cod from the Printer.
2. Remove the Main Body Covers.
3. Remove the Fusing Assembly (4) and the Ozone Filter Mount (2).
4. Remove the sflver-colored screws (4) that secure the AC Power Module to the printer base
plate, and remove the module from the printer, being mreti not to damage the large pin
connectors attaching the module to the base connectors.
Caution
To prevent damage to the unit ensure that the large pin connectors are properly
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aligned when reinstiling the AC Power Module. Mso ensure the screw with the
captive star washer is properly reinstiled at the rear of the printer.
AC Power
Module Screw
Fan Screw
AC Power
Module Screw ~
I
Fan Screw
Figure 6-15. AC Power Module and Upper Cooling Fan
6-20