Question about HP LaserJet 8150 Printer

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Hp laserjet printer 8150 preshur roller change

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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eagle338
  • 4889 Answers

SOURCE: Hp Laserjet 8150 LVPS replacement

It is located in the back of the printer on the bottom. Remove the back cover. With the power off, remove the formatter board by loosening the two big screws and pulling out. Remove the plastic cover by the side of the formatter cage. Remove the fan housing by the power connector by removing the two screws, disconnect the cable and pull straigt out. Now remove the big cable at the top and unwind from the high voltage ps. Remove the white connector in the middle of the low voltage ps. Next trace the white cable wires running from the ps to the dc controller and remove the cable from the dc controller. Now trace the fan cable for the fan in the front of the ps and remove it from the dc controller. Remove all the screws which secure it to the frame and pull straight out. Move the fan in front from the old ps to the new and reverse instructions...
Take off the large metal side cover. Look down at the bottom of the printer. The large box is the LVPS. Remove the screws holding it and follow the wiring up to where it plugs in and pull the connectors off. You'll also have to remove the fan above the LVPS on the top right side of it. You will have to take the fan mounted on the LVPS off and put it on the replacement LVPS as they don't come with fans.

Posted on Oct 23, 2007

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jeffdynamics
  • 18 Answers

SOURCE: HP LaserJet 3030 Fuser Rollers

fuser roller is part of fuser assimble so you need to do is removed first fuser assy set aside and replaced the roller..tnx

Posted on Apr 14, 2008

SOURCE: HP LaserJet 1012 Printer prints ghost images

A new toner cartridge solved the problem entirely.

Posted on Oct 23, 2008

  • 83 Answers

SOURCE: hp laserjet 8150. i have a problem, tray 3 empty,

CAUSE: This error message indicates the paper present sensor flag in one of the trays does not detect paper in the tray. This could be caused by one of the following:

  • A broken sensor flag
  • The tray paper guides being set too close and restricting the paper from being pulled
  • The tray is not lifting
SOLUTION: Follow the steps below to determine the cause of a false TRAY X EMPTY message. Tray 2 empty
  1. Verify there is paper in the tray.
  2. Open the duplex unit access door just above Tray 2 on the front of the printer.
  3. Check the black-paper present flag by looking in through the duplex access door.
  4. Open and close Tray 2 and observe the tray lifting looking through the duplex unit access door.
The tray lifts but the error is still present
  1. Inspect the paper present flag on the PIU located just behind the pickup rollers. Ensure the flags are present and not damaged.
  2. Remove the tray guides from the tray and reseat them. Ensure the guides are seated correctly and are in the correct slot for the size paper in the tray. Add paper to the tray and try printing again.
  3. Try another known good tray, if available.
The tray does not lift and the error is still present
  1. Remove the tray, remove the paper in the tray, and inspect the lifting plate in the tray for damage. Ensure it will lift freely by hand.
  2. Try another known good tray if available.
Tray 3 empty
  1. Verify there is paper in the tray.
  2. Remove Tray 2.
  3. Open and close Tray 3 and verify it lifts by observing through the Tray 2 cavity.
The tray lifts but the error is still present
  1. Inspect the paper present flag on the PIU located just behind the pickup rollers. Ensure the flags are present and not damaged.
  2. Remove the tray guides from the tray and reseat them. Ensure the guides are seated correctly and are in the correct slot for the size paper in the tray. Add paper to the tray and try printing again.
  3. Try another known good tray if available.
The tray does not lift and the error is still present
  1. Remove the tray, remove the paper in the tray, and inspect the lifting plate in the tray for damage. Ensure it will lift freely by hand.
  2. Try another known good tray if available.
Tray 4 empty
  1. Verify there is paper in the tray
  2. Open Tray 4 and check for an extra **** of paper stored on the left side of the tray. This can cause the tray to stall while lifting and result in a tray empty message.
  3. Defeat the interlock in the vertical transfer unit (VTU). Open and close Tray 4 and watch the tray lift through the VTU door on the lower-right side of the printer.
    NOTE: Follow troubleshooting steps for Trays 2 and 3 when working with the 2 X 500 sheet-input tray.
The tray lifts but the error is still present
  1. Check the tray guides to ensure the guides are seated corrected and are in the correct slots for the paper size in the tray.
  2. Inspect the paper present sensor for damage.
  3. Check for any broken plastic pieces in the tray that may be a broken sensor flag.
The tray does not lift and the error is still present Defeat the VTU interlock on the right side of Tray 4. Open and close Tray 4 and observe the tray lifting.

Posted on Nov 25, 2009

  • 2 Answers

SOURCE: 50.1 fuser error on HP 8150 LaserJet Printer

I have a HP LaserJet 5000 with a Fuser Error code 50.1, meaning low temp. I am not a tech, but I have been repairing my own cars, printing presses, computers, printers and anything else that breaks for over 35 years. The previous fuser on my LaserJet 5000 lasted over 7 years and while I was not getting any error codes, it was not fusing laser plates as well as I liked. Until recently I had two HP 5000 LaserJets and was able to trouble shoot by swapping parts. I replace a bad DC controller board in this particular printer about a year ago. Shortly after that I replaced the fuser with a genuine OEM HP fuser and it fused great for nearly a year. A few weeks ago I had a massive paper jam in the fuser and a day later got a Fuser Error 50.1. After checking the Internet I determined it might have broken the ceramic heating element. I swapped fuser with the one in my other identical working printer and the fuser error went away. I swapped the fusers back again and the error returned, pretty much proving the problem is in the fuser. Since I am not made of money I figured I could rebuild a fuser just as well as anyone else so I went on a search for the parts, but it was like calling Area 51 and asking what they were hiding. The service manual indicated some ohms testing to be done on the problem fuser and all results came back showing all the correct readings. I knew the fuser was the cause of the error, and the parts were not cheap so I carefully disassembled the fuser to see if I could isolate the exact part that was broken. The ceramic heating element and everything else looks fine. One detail I had found odd was that the printer used to take a couple of minutes or more to heat up, but I now got the fuser error 50.1 within 15 or 20 seconds of powering it on. This made me wonder if it would even have enough time to heat up enough to know it had a low temp problem. I thought the problem might be in the part that actually measured the temp. While I had the fuser apart I found one small resistor attached to the frame directly under the main drive gear. I did an ohms test on the resistor and it showed bad. I really hate to tear my good fuser apart to swap the resistors for fear I might burn it up to, so has anyone out there heard of a bad resistor causing a 50.1 error? I found only one reference on one site about a different LaserJet with a 50.1 code because of a bad resistor, and I have no idea where that resistor is on that particular printer. I know I could have just replaced the fuser by now, but I like to learn how things work and solve puzzles like this one. I am hoping some of my info may be of help to someone and if anyone has anyone ideas or thoughts on my comments, I would love to hear them. I will go on a search for a resistor next week and see if that helps. I hope to hear from someone soon. Thanks and God bless. James

Posted on Mar 08, 2010

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Nov 18, 2009 | HP LaserJet 8150 Printer

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Hp Laserjet 8150. Does not pick up from Tray 3....but the tray does lift


Start by pulling out tray 2 and setting it on the floor. Next take out tray 3 and slide it into tray 2. Print from tray 2. If it works, take the tray on the floor and put it into the tray 3 slot. Print from tray 3. If it fails change the feed rollers.

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Jun 22, 2009 | HP LaserJet 8150 Printer

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Spring came loose under the roller


Hi niffieprinti:
If you remove the toner cartridge again and remove the roller (Registration Roller) one side of the roller has a gear and the other has a silver bar, well one spring goes under the gear on the left side and the other spring goes under the bar on the right side of the roller. The springs apply pressure to the paper against the toner cartridge so that the image is clean and dark. if you have any further questions let me know.

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Hp laserjet 8100 8150 13.1.42


hp printers typically do not have an error message to cover every known condition, thus if the printer needs maintenance in an undefined area, it will invariably indicate a paper jam. The printer usually responds to the installation of a maintenance kit which will include transfer roller, pickup rollers, and fuser.

Oct 03, 2008 | Office Equipment & Supplies

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