How to make HP LJ 4200 Universal

Hey guys today i will show you how can you make HP LJ 4200 universal printer so that you can fit HP Q5942A & Q5945A Toner cartridge in HP LJ 4200.

1. Open the formatter board cover on the right of the printer then remove 2 screws of formatter board and pull back the formatter board the board and the cover will be out.
2. Then open the Rear bin of the printer that is situated behind the printer.
3. Remove the fuser assembly.
4.Then open the top cover of the printer there will be a cartridge lock carefully that should not break
open the four screw remove display connector and remove the top cover.
5. Then remove both the left and the right cover.
6. Then remove scanner assembly of the printer there will be four screws on the assembly.
7. Remove the gear assembly box on the left of the printer alone with the DC Controller board (you need to open this to remove the plate on which the scanner assembly is fitted).
8. Open the screws of the plate on which the scanner assembly was fitted the screws would be on the left and right side of the body you will need to open atleast 15 screws see the screws on the plate.
9. On the bottom and top of the plate there is a white plastic piece (on the left of the plate) remove that plastic piece by removing the 2 screws on it.
10. On the right side of the printer there will b a black plastic piece and behind that a steel piece you need to break both the pieces fully there should be a flat surface.
11. Remove the scanner assembly shutter.
12. Cut the plastic body of the door as shown in picture
13. Pack the printer and install any cartridge of below mentioned cartridge No. your printer will accept all this cartridges.
Q1338A, Q5942A & Q5945A this is for sure.

I have tried this you can try and revert me with your feedbacks.

By: Unknown On 01:27

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laptops restarts or shuts down frequently every 15 Seconds

Does your laptop shuts down frequently .... No need to worry you can fix this in 15 to 20 mins depending whether have you opened your laptop.. If Yes you can do this in 10 mins lets begin.... 

1. Before staring power off your laptop and remove the battery and any removable devices attached to the laptop.....
2. First of all remove the keyboard there will be screw that will be visiable when you remove the battery ( carefully there will be a connector underneath keyboard gently remove the connector).
3. Open all the screws behind the laptop.
4. Then remove the HDD (i.e Hard Disk).
5. Then remove the RAM.
6. Then remove the WIFI Chip or Bluetooth Chip if any.
7. Then check whether the wires of the cooling fans (i.e Fan that cools the processer chip) if not then see whether the fan is rotating smoothly or not. If not then you need to replace the fan.
8. If its not this then check the cage that is near the fan there must be a dust in the cage clean the cage this must fix the issue.
9. If this is not then this should surely fix the issue under the fan you need to apply the cooling grease below the fan.
10. After doing this pack your laptop and be sure you connect everything after then you can on your laptop and you will see your laptop problem has been fixed.
If you have any difficulty feel free to comment me.
Thanks guys enjoy...........

By: Unknown On 02:40

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