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I have two Phaser 8400 printers both have streks and smears when printing. I am pretty good with machines but I have never taken one of these apart. Can the printheads be cleaned? I really do not want to invest several more hundred dollars, but these do a great job when they are working, and i have several hundred dollars of supplies left.

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  • Mike 2 Aug 28, 2010

    The self cleaning including loading pages that are pure color has not worked. I did contact an online outfit that said they owuld do the repair of an 8400 for a flat fee of $150.00 per printer. What I am concerned with is that they may have been moved HOT. If that happened then I guess the wax ink would be everywhere, and that is what I am concerned about.



    Mike R

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Hi

You can clean the ink loader and print head by removing the ink loader. Please follow the below steps to remove the ink loader--
Control Panel Cover
1. Open the Exit Cover.
2. Using either your fingers or a small flathead screwdriver, loosen the Control Panel Cover on the left side, and then slide it forward while lifting up to remove it from the printer.

Control Panel
1. Remove the Control Panel Cover
2. Disconnect the two wiring harness connectors and one ribbon cable connector from the back of the Control Panel.
3. Remove the Control Panel.
Right Side Cover
1. Open the Exit Cover.
2. Remove the Control Panel Cover
3. Open the Front Door.
4. Remove the rear screw.
5. Pull forward on the latching tab located by the power plug to release it.
6. Release the front latching tab and pull out on the top to remove the Right Side Cover.

Continued...

Posted on Aug 28, 2010

  • Daniel Scott
    Daniel Scott Aug 28, 2010

    Left Side Cover

    1. Remove the Control Panel Cover

    2. Open the Exit Cover and Front Door.

    3. Remove the rear screw.

    4. Release the latching tabs and remove the Left Side Cover.

    Exit Cover

    1. Remove the Right Side Cover

    2. Remove the Left Side Cover

    3. The Exit Cover will now just lift off the printer.

    Replacement Note

    Lift the upper exit guide slightly, and engage the pins on the upper exit guide with the slots on the Exit Cover before inserting the cover hinge pins into the pivot points in the printer frame.



    Ink Loader

    1. Remove the Right Side Cover

    2. Remove the Left Side Cover

    3. Remove the Exit Cover

    4. Lift the Ink Loader clear of the chassis and hold it in position against the rear of the chassis to allow access to the connectors. For 8400, the Ink Loader disconnects from the printer frame. For 8500/8550/8560, the harness that plugs into the right side frame disconnects directly from the Ink Loader.

    Note

    Hooks on the bottom of the Ink Loader allow it to hang on the rear of the printer chassis while the connectors are removed.
    5. Disconnect the 2 connectors from the printer and remove the Ink Loader.


    Replacement Note

    For the 8400, route the gray harness from the chassis between the Ink Loader and printer side. The harness from the Ink Loader must be routed towards the left side (see inset).



    Hope this helps... If it does please do not forget to accept the solution or post back for assistance.



    Daniel

  • Daniel Scott
    Daniel Scott Aug 28, 2010

    PS--- Smudges or smears appear on the page. The likely cause is ink residue in the media path. Check for residue on the rollers, Stripper Blade, guide ribs, or inside the Preheater. High coverage images with small margins may leave ink debris on the Stripper Blade which is then re-deposited on other pages. This condition usually self corrects (the debris is “cleaned” off the blade by lower coverage images).

    Note:
    To avoid future problems, select "2nd Side" as the paper type if manually printing duplex with preprinted solid ink images on the reverse. This reduces Preheater temperatures to prevent partial

    melting of the preprinted image.



    Hope this helps... If it does please do not forget to accept the solution or post back for assistance.



    Daniel

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1. Cleaning a printer's printheads is an easy process. Here's how it works (in Windows). Click the Start button (or in Vista the Windows icon) at the lower left corner of your screen.
2. Click on Control Panel. Next, choose Printers and Other Hardware, and then View Installed Printers or Fax Printers.
3. When the Printer page opens, right click on your printer’s name, and choose Printing Preferences.
4. Choose Maintenance. Most printers should have a very similar set of options.
5. The first button is for cleaning the printheads. You’ll have to choose which printheads you want to clean. The best bet is to choose All Colors.
6. Make sure the printer is turned on and that there’s some paper loaded. Now click Execute.
7. The printer will print out a pattern with a grid along the top and six bars of different colors. Two images will display on your monitor that you can compare to the printed image. In one, the grid and colors are sharp and clear; in the other, some of the grid boxes are missing and the colors are striped.
8. If the printout matches the sharp, clear image, simply click Exit and you’re done.
9. If the printout has missing grid boxes or stripes, then click Cleaning. Once that’s done, you’ll repeat the whole process so you can ensure the cleaning was completely successful. It may take two cleanings if your printheads are really clogged.
10. If, after two cleanings, you’re still getting a poor result, there’s a Deep Cleaning option on the Maintenance tab that should do the job.

Posted on Aug 28, 2010

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