Interface/Formatter Pca - HP LaserJet II Serie Manual De Instrucciones

HP 33440/HP 33449 COMBINED SERVICE MANUAL
G-S.
BOTTOM COVERCOMPONENTS
BOTTOM COVER REMOVAL
The Bottom Cover (see Figure 6-49) encases the components lomted on the underside
of the printer. The Botiom Cover must be removed to replace the Lower Cooling Fan,
Interface/Formatter PCA, DC Controller PCA, and some cable assemblies.
caution
Before turning the printer over, the EP-S Cartridge must be removed as well
as any other brackets or fasteners that are not secured. When turning the
printer over, use efireme care not to bend or otherwise damage the upper body
frame and component. MSO remove any accessory memory 1/0 PCAS and font
cartridges at this time, using proper ESD procedures.
For HP 33449 only
With the printer tu~ed over, remove the screws (4) securing the outer
Bottom Cover. Lift the rear of the cover until the cover is vertiti and remove it from the printer.
For both printem Remove the screws (g) securing the inner cover and lift it off. Note that on
the HP 33440, one screw is accessed through a slot in the Font Cartridge Cover.
LOWER COOLING FAN
1. Remove the Botiom Cover(s).
2. Detach the connector from the DC Controller PCA (see Figure 6-50), remove the screws (4)
securing the fan, and lift the fan out of the printer.
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Bypass
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DC Power
Fan
supply
Assembly
Figure 6-49. Bottom cower components
6-53