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Disassembly instructions to change printhead carriage assembly

HP deskjet 9800 problem I have a HP deskjet 9800 with the printhead carriage broken. I boutgh the spare part c8165-67061 from HP but the assembly comes without the disassembly printer instructions and I am afraid to start repearing the printer without them. Could some one tell me where I can find them?.

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Posted on Oct 28, 2008

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Hi, I am looking for a print head for my HP deskjet 9800. C8165Al. SNTRC0405. Do you know where I can such apart? Also is the print head the same as the print head carriage assembly?


I think the print heads are built into the ink cartridge on this model. Try calibrating the printer, if this does not work you can replace the cartridge presenting the issue, or take it out and leave wet paper towel over the printheads, sometimes this unclogs them

Aug 20, 2011 | HP DeskJet 9800 InkJet Printer

1 Answer

NOT RECOGNISING CARTRIDGE


Check the circuit board behing the cartridge for a hole or break in the board if so re[place the carriage assembly

Jun 15, 2010 | HP DeskJet 9800 InkJet Printer

2 Answers

My Deskjet 9800 has both cartridge lights flashing. I've put in new cartridges and ensured that they are properly seated. I cannot print a test page.


you will need to replace the carriage assembly because the cartridge has punched a small hole in the circuit contact board, which broke the circuit

Feb 06, 2010 | HP DeskJet 9800 InkJet Printer

1 Answer

Alignment problems with hp 9800


Look inside, use alcohol to wipe the encoder strip. The encoder is the clear plastic that runs across behind the carriage assembly. You need to wipe carefully, maybe a Q-tip but don't press too hard. Ink and spots on that strip cause the problem you are seeing.

Dec 29, 2009 | HP DeskJet 9800 InkJet Printer

1 Answer

HP Deskjet 6940. Carriage is stuck in park position. Won't move either automatically or manually. Is there some way of "unsticking " it??? Appears to be mechanicaly retarded


Sometimes you can reach under the printhead with a pencil or screwdriver tip and push back the cleaning assembly. That allows you to clean the cleaning assembly so it might not get stuck again. You need to find something solid to push on, directly under the print cartridges. You will hear the motor turning as you push gently.

Jul 15, 2009 | HP Deskjet 6940 InkJet Printer

1 Answer

Problem with Printhead Path


Something (not sure what) is obstructing the movement of the carriage assembly. Turn off the power and remove the cleaners. Push the carriage assembly out and pull/push the belt to move the carriage assembly until you find the bind. If you've recently changed the belt or carriage assembly, make sure you properly adjusted the carriage height.

Jun 05, 2009 | HP DesignJet 1050c plus InkJet Printer

2 Answers

How do I replace the carriage belt?


From the service manual:

1. Remove the Left Hand Cover
2. Remove the Right Rear Cover
3. Remove the Right Hand Cover
4. Remove the Tensioner Assembly
5. Pull out Printhead Cleaner Carriage
6. Slide Carriage Assembly to position shown.
7. Lift up the Carriage Cover and remove ALL the Printheads and close the Carriage Cover.
8. Slide the Carriage along the Printer to the position shown.
9. Push in the 2 retaining clips either side of the Printhead Tube Connector.
10. Pull the Printhead Tube Connector towards you.
11. Push the button to release the Printhead Tubes in the Carriage.
12. Release the retaining clip by pulling it away from the holding brackets.
13. Pull the Printhead Tube Connector up between the two Tube Guides.
14. Slide the Carriage to the left side of the Printer.
15. Unclip and remove the Carriage Cover to access the Trailing Cable in the Carriage.
16. Carefully disconnect the Trailing Cable from the connectors in the Carriage PCA. NOTE Remove Trailing Cable
Ferrites if they fall into the Carriage.
17. Remove the Trailing Cables from the Trailing Cable Holder.
TIP Press the Trailing Cables firmly in the center to release.
18. Slide the Trailing Cable Guide out of the Carriage.
19. Slide the Carriage (including the Belt) to the left and out of the Printer.
20. Remove the Belt from the Carriage by releasing it from the retaining clips underneath the Carriage.


As you can see it looks to be a long process. I have the reinstallation instructions as well. If you still want to carry through with this, let me know and I'll send you the service manual....it will be easier than posting the text and the pictures that go along with each step.

Thanks and please take a moment to rate this solution as fixya.

Mar 16, 2009 | HP Designjet 5500 (42 in.) InkJet Printer

2 Answers

Check Printhead cleaner Path


Sounds
    1. Attempt to duplicate the message by turning the printer on, reloading the media, and printing several test prints.
    2. Note the movement and position of the carriage when the error occurs.
    3. If the carriage stops on the left-hand side (roughly 12 inches from the ink supply station), unplug the power cable from the printer, open the top cover and try to move the carriage to the right. Closely inspect the ink tubes for wear, and check for ink tube binding or catching on the tube guide (stopping/hindering carriage movement). If true, continue with the remaining steps below.

        NOTE: If the steps above do not describe the issue correctly, refer to the work instruction for a typical “Switch Power Off, Check Printhead Path” message (bpp90070).

Check/replace the Ink Tube Systemgtabtop.gif
    1. Turn the printer off.
    2. Remove the old Ink Tube System (refer to pages 8-53 of the Service Manual).


        NOTE: If the printer is installed on a Multi-roll feeder accessory, some additional disassembly is required to gain access to the printer. Instructions for multi-roll disassembly are listed at the bottom of this document for reference.
    3. Move the carriage assembly to the right side of the printer.
    4. Clean the rear tube guide assembly with a moistened lint free cloth to prepare the mounting of the Mylar tape.
      Figure 1:Cleaning the rear tube guide assembly
      c00001195.jpg
    5. Remove the backing on the Mylar tape and align the line on the tape with the front edge of the rear-tube guide so that the narrower section is towards the front of the printer. Do not attach the tape yet.
      Figure 2:Aligning line on Mylar tape with front edge of rear-tube guide assembly
      c00001196.jpg
        NOTE: Ensure that the Mylar film is perfectly aligned with the rear Tube Guide surface with no protrusions or unevenness.
    6. Carefully position the Mylar tape about 1/4 of an inch from the left-end of the rear-tube guide (do not go all the way to the end as the beveled edge will cause crimping of the tape).
      Figure 3:Attaching the Mylar tape
      c00001197.jpg
    7. Ensure tape is evenly positioned and any air bubbles are smoothed out along the tape.
      Figure 4:Smoothing out the air bubbles along the Mylar tape (view from rear of printer)
      c00001198.jpg
    8. Carefully fold under the narrow section of the tape to the underside of the rear tube guide assembly and smooth out any air bubbles.
      Figure 5:Installing Mylar tape under rear-tube guide assembly (view from front of printer)
      c00001199.jpg
    9. The Mylar tape should look like the image below.
      Figure 6:Final installation of Mylar tape (view from top of printer)
      c00001200.jpg
    10. Once the Mylar tape is installed, install the new Ink Tube System (refer to pages 8-53 of the Service Manual).
    11. Following replacement, verify printer functionality.
like a bad belt.

Feb 11, 2008 | HP DesignJet 1050c InkJet Printer

1 Answer

Printhead Carriage assembly


Go to this link; http://h20141.www2.hp.com/hpparts/search_Product.asp?mscssid=17EX7SD0VLP29KJQHKS114FKHRGEF1C7&SearchCriteria=C8165A&Smethod=1&sRefAsp=Search_Multi_Product select "carriage" under "search by keyword" the part number is: C8165-67061 listed at $61.85 and available. Pretty sure you are right about the spring and this should solve the problem. If you contact them, although it is not listed on the site, it may be possible to just get the broken part, but that would surprise me. Hope this helps :)

Jun 27, 2007 | HP DeskJet 9800 InkJet Printer

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