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HP Laserjet 5 Service Manual

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    							Subpads
    NoteWhen you replace the Separation Pad, you should also replace the smaller subpads
    at the same time.
    1Place your index finger on the subpad.
    2Press toward the top of the printer.
    Subpad Removal
    Figure 6-34
    6 - 38 Removal and Replacement 
    						
    							Feed Assembly
    The Feed Assembly is located in the Paper Feed Frame.
    1Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 through 6-25),
    and Paper Feed Frame (Figures 6-26 through 6-29).
    2Turn the Paper Feed Frame upside down.
    3Remove the Feed Roller Shaft by lifting the plastic tab up (Figure 6-35, callout 1)
    and sliding it out the side of the Paper Feed Frame (Figure 6-35, callout 2).
    Feed Assembly Removal (1 of 3)
    Figure 6-35
    6
    Removal and
    Replacement
    Removal and Replacement 6 - 39 
    						
    							4Remove the self-tapping screw that holds the Feed Assembly in place (Figure 6-36,
    callout 1).
    NoteBefore proceeding to Step 5, examine the tabs and how they fit into their slots
    (Figure 6-36, callout 2). The tabs must be reinstalled to exactly this position.
    5Remove the Feed Assembly.
    Feed Assembly Removal (2 of 3)
    Figure 6-36
    6 - 40 Removal and Replacement 
    						
    							6Turn the Feed Assembly over and place it in one hand with the roller-side down.
    Pop one of the tabs on the other side and the feed roller should fall into your hand
    (Figure 6-37).
    Feed Assembly Removal (3 of 3)
    To reinstall
    Before securing the screw, ensure the tabs on the Feed Assembly are positioned in
    their slots on the Paper Feed Frame (Figure 6-35, callout 2). Failure to do so will
    cause paper feed problems.
    Figure 6-37
    6
    Removal and
    Replacement
    Removal and Replacement 6 - 41 
    						
    							Bottom Assemblies
    Memory Door Guide
    1Remove the Printer Covers.
    2Remove any extra memory.
    3Two tabs hold the memory door guide on the printer chassis. Press each tab inward
    (Figure 6-38).
    4Pull the memory door guide out.
    Memory Door Guide Removal
    Figure 6-38
    6 - 42 Removal and Replacement 
    						
    							Motor
    1Remove the Printer Covers.
    2Remove the motor connector (Figure 6-39, callout 1).
    3Remove the memory door guide to expose the two motor screws.
    4Remove the motor screws (Figure 6-39, callout 2).
    5Lift the Motor out.
    Motor Removal
    Figure 6-39
    6
    Removal and
    Replacement
    Removal and Replacement 6 - 43 
    						
    							DC Controller
    1Remove the Printer Covers.
    2Disconnect the motor connector from the motor (Figure 6-39, callout 1).
    3Disconnect the Solenoid connector from the DC Controller (Figure 6-22, callout 1).
    4Remove the back sheet metal plate and disconnect the PS202/PS204 connector
    (Figure 6-29).
    5Remove the AC Cable cover and disconnect the AC Cable from the DC Controller
    (Figures 6-13 and 6-14).
    6Tip the printer on its top, with the front facing you.
    7Remove the (4) screws (Figure 6-40, callout 1). One of the screws is a grounding
    screw. The location of the grounding screw is marked by a “star” etched into the
    bottom of the DC Controller.
    NoteMake certain when you reinstall the DC Controller that the grounding screw with
    the washer is replaced in the same location.
    DC Controller Removal (1 of 3)
    Figure 6-40
    6 - 44 Removal and Replacement 
    						
    							8Lift the bottom plate, rotating the plate toward you from the back as if hinged on the
    front. Release the Fusing Assembly connector (J206) (Figure 6-41, callout 1).
    CautionESD SENSITIVE!
    DC Controller Removal (2 of 3)
    Figure 6-41
    6
    Removal and
    Replacement
    Removal and Replacement 6 - 45 
    						
    							9Remove the (7) remaining connectors (Figure 6-42, callout 1).
    10Remove the screws (5) that secure the DC Controller to the metal case (Figure 6-42,
    callout 2).
    DC Controller Removal (3 of 3)
    11Remove the DC Controller by lifting gently on the side opposite the formatter, then
    sliding it out.
    CautionBe careful not to rotate the DC Controller as you remove it.
    NoteWhen ordering, the DC Controller does not come with any connectors. Use the
    current connectors or refer to the connector chart in Chapter 8 for ordering
    information.
    Figure 6-42
    6 - 46 Removal and Replacement 
    						
    							Formatter PCA
    CautionESD SENSITIVE!
    1Remove the Printer Covers and complete the DC Controller removal direction up to
    step 8 (Figures 6-40 and 6-41).
    2Remove the two cable clips (Figure 6-43, callout 1).
    3Remove all (4) screws from the formatter cover (Figure 6-43, callout 2). Lift the I/O
    shield to remove it.
    4Remove the Control Panel display cable (Figure 6-43, callout 3).
    5Slide the formatter away from the DC Controller PCA to remove it from the
    connector.
    Formatter Board Removal
    NoteThe formatter I/O shield comes in two separate pieces. Be careful to order the
    correct pieces should you need to replace them.
    Figure 6-43
    6
    Removal and
    Replacement
    Removal and Replacement 6 - 47 
    						
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