Question about HP Designjet T1100ps Printer

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Hpt 1100ps Grinding Noise

There is a grinding noise coming from the back right of my plotter, like a fan. Had it serviced but the plotter just didnt make the noise the day he came, so he was uncertain what it could have been. The noise doesnt occur everyday but when it does it occurs the whole day even when the plotter is idle. Any help would be appreciated.

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  • Bob Wert Mar 05, 2014

    Hi Steven. I would agree with the previous poster, except for the fact that the power supply is on the back LEFT and you said the noise was comimg from the back right. The only motor that runs while the machine is not printing is the Service Station fan. You can remove the Service Station and clean out the fan motor (which is not sealed) with some pure alcohol and then use some compressed air to dry it. Also clean the fan blades the best you can. It is likely you will need to replace the Service Station which has a relatively short lifespan anyway. The part number is Q6683-60187 and can be ordered from: . We refurbish the units and pay $40.00 and shipping for the return of the old mechanisms - pretty good deal. We are back-ordered on the T1100 Service Stations until next week, but you can place an order if you want to. Bob Wert, LPS Comptuer, 800-959-1575


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Hi Steven:

It sounds to me as if you have an issue with the power supply. Most power supplies these days have a fan built in them. When you have a grindy noise like that it more than likely is the fan going out or the blades of the fan is dirty enough to put it out of balance. Move your plotter out so you can see the back. Get down and listen carefully to determine where the grinding is coming from. Once you determine where the noise is coming from . Get a flashlight and is there are vents in that area look to see if you can see the fan blade spinning.

You may have to unplug the machine, remove the back of the printer to get to the area. If the fan blades are covered with dust. Try some canned air to blow away the dust. If that doesn't work, remove and replace the power supply. For future reference you should be doing maintenance on your printer monthly by dusting and vacuuming the open vents. You would be surprised how much damage paper dust can cause. You can look up the parts for your plotter here.

Good luck.

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

SOURCE: grinding noise on startup

Problem The Resume light continues to blink after the paper jam is cleared.
The carriage is stuck or making a grinding noise. Solution 1. Lift the top cover to the printer. 2. Turn the printer off and then on again. 3. Unplug the power cable from the back of the printer when the grinding noise starts. 4. Move the carriage towards the middle of the printer (this procedure may take a couple of tries to get the timing correct). 5. Take out the cartridges and close the top cover. Turn the printer back on! 6. Reconnect the power cord. 7. Open the top cover, reinstall the cartridges, and then close the top cover

Posted on Mar 25, 2008

  • 1605 Answers

SOURCE: HP Laserjet 4L - Grinding or Growling noise when job sent to printer

purchase a maintenance kit.
replace the piper pickup roller.
since the the printer is old and lots things need to be replaced. it is easier to replace all of the necessary parts when you have the printer apart.
the job is not difficult, just time consuming.

Posted on Nov 17, 2008

  • 140 Answers

SOURCE: make grinding noise

If you will notice that there is a transparent film that the printhead goes through to be able to print. That transpatent film is actually coded to be able to tell the print head in which direction and when to print characters. It is dirty and you need to take like a q-tip with isopropyl alcohol to clean it so it knows where to print and does not go back and forth to find a position to print. God bless you.

Posted on Jan 12, 2009

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