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Lexmark CX725

Lexmark CX725

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Printhead removal

    Note:  For a video demonstration, see Printhead removal.

    Note:  Some printers might not have a printhead stop installed on the front left corner of the printhead. Make sure that the stop is installed before removing the printhead.

  1. Remove the output bin cover. See Output bin cover removal.

  2. Check the front left corner of the printhead if a printhead stop is installed. If the stop installed, then proceed to step 5. If the stop is not installed, then proceed to the next step.

  3. Unpack the printhead stop and screw.

  4. Place the stop (A) next to the printhead, and then fasten the stop with the screw (B).

  5. Remove the controller board shield. See Controller board shield removal.

  6. Remove the scanner tilt. See Scanner tilt removal.

  7. Disconnect the ribbon cable (C) and printhead cable (D).

    Warning—Potential Damage:  Do not yank the ribbon cable. See Disconnecting ribbon cables.

  8. Gently pull up the ribbon cable to create some slack, and then pull the tab (E) to slide the toroid out of the retainer.

  9. Pull the ribbon cable (F) through the retainer.

  10. Remove the screw (G) from the printhead.

  11. Remove the rear right screw (H) from the printhead.

  12. Remove the rear left screw (J) from the printhead.

Installation Notes:

  1. When installing the printhead, replace the screws but do not tighten them right away. After installing the screws, turn the printhead clockwise until it stops.

  2. Enter the Diagnostics menu, and then navigate to:

    Printer diagnostics & adjustments > Registration adjust > Quick test

  3. If the printhead needs alignment, perform a printhead alignment adjust. See Printhead alignment adjustment.

  4. Tighten the screws.

  5. Perform a color alignment adjust. See Color alignment adjust.
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