Question about HP LaserJet 4650n Printer

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Remove control panel

I have an hp4650n. Paper jamed and the we snapped the green tab on the transfer kit/ or the developer located right under and behind the contro panel.. The manaul shows the control panel comes off but does anyone know how?

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You may have to remove the right and left covers, but there is one screw on the left side of the panel and 2 screws on the right side and the panel should just lift off.

Posted on Feb 27, 2009


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How to change developer beads

I have the complete 9 page instructions with images if you want I can e-mail them to you. Here is a snippet explaining just the portion of the beads. (email me at for complete instructions). Also, if you purchase the developer beads from they will include the instructions " 1. Place the developer housing assembly (new or used) to be recharged on a drop cloth. Caution During this procedure, the developer housing assembly must be kept level at all times. To prevent toner spillage, it is recommended that the developer housing assembly be fully supported level by laying it on something like a large piece of cloth, paper towels or styrofoam hollowed out for the developer housing assembly to lie on. If new, remove the protective cover over the magnetic roller. Do not touch the magnetic roller. Note The wires are routed under and behind the right snap tab. 2. Release the snap tabs at each end of the developer housing assembly and remove the assembly cover. 3. Agitate the package of developer mix and then cut it open. Carefully pour the entire contents of developer mix as evenly as possible over the two augers. Do not let the developer mix accumulate heavily on the roller. Keep the developer housing assembly level. 4. Reinstall the cover making sure that the rear tabs are all engaged in their respective slots while positioning the wire harness under the snap tab. Press firmly until you hear a positive "snap" sound for each tab indicating each snap tab is securely fastened. 5. Tear off the ATC sensor perforated tag. Do NOT remove the ATC sensor label from the developer housing.Peel off the protective backing, and adhere the label to the appropriate or corresponding Imaging Unit Plate. Make sure the ATC sensor tag label can be located if needed later. 6. Record the number for entering into NVRAM in the next step. 7. Perform the ATC Sensor Setup procedure."

Sep 13, 2011 | Xerox Phaser 7750DN Laser Printer

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Disclaimer ... this advice is worth what you paid for it ... Nothing...
Writing this from memory... may have forgotten somethings...However make sure you have a shop vac in case of accidental spill. Ive done this SEVERAL times... don't actually enjoy this job of many other options....Lexmark X945 ... oh power off the printer first ...

1.Remove the front door 2 screw hold the bracket at the bottom. After the screws are removed they should slide and lift off. The 2 straps disconnect at the printer. Squeeze the tabs and twist they should pop off but be careful not to brake them.
2.Remove the small front/left cover and toner fill shroud. 2 screws hold the front/left cover in place and it just slides up. The toner fill shroud has 4 screws that hold it in place.
3.Remove the toner fill assemblies each color has 1 screw. Be sure to pull the closing slip on the bottom of the drain where it connects to the developer to avoid spilling more than you must.
4.Remove the waist toner full housing assembly. If I remember correct its 1 screw and 1 C-Clamp. Detach the cables and put the part to the side.
5.Remove the bracket that holds the developers in place being careful not to drop cable snaps.
6.Remove old developers fill new developers with fill kit and NOT toner.Make sure the developers are properly insearted so when you get it back together you don't have to take it apart again. Good way to check it when you put them in push down on the end of the developer that sticks out. If it lifts in the rear you don't have it in correctly.
7.Reassembly(reverse what you just did) and reset sensor settings in configuration menu mode.

Apr 18, 2011 | Lexmark X945E Printer

1 Answer

How do you install a transfer kit to 4700 dtn printer?

Replacing the ETB (transfer Kit)
Replace the ETB when a REPLACE TRANSFER KIT message displays on the control panel.
1. Turn the printer off.
2. Open the top and front cover.
3. Lower the ETB by pulling the green handle at the top of the unit downward.
4. Press the small blue latches located on either side of the bottom of the ETB and lift the unit out
of the printer.
5. Install the new ETB.
6. Close the front and top covers.

Jan 13, 2011 | HP LaserJet 4700 Printer

1 Answer

Location of heater assembly fire wall bolts and how to remove heater core on my 1993 YJ Wrangler?

you will need to remove the heater housing(air box) . the blower is mounted in it. start by removing the control cables (slide your heater controls and you will see them move under the dash),they just snap in careful not to break the plastic tabs. unhook the defroster tube(looks like a corrugated paper pipe in the center and on the top of the housing). unplug the wire harness in the upper corner of the passenger side. now under the hood remove both heater hoses. then remove the four mounting nuts on the firewall [they are 7/16] . one nut is on right side of the just left of the battery. one is under the battery toward the bottom of the firewall.the 4th is by the left rear corner of the valve cover. there may be an accelerator cable loom snapped over this stud,it just pries off. lay a towel or rags on passenger floor to catch any anti freeze. with all 4 nuts now removed,pull the housing away from the may have to tilt the bottom out slightly. once the housing is removed take it to your work bench. There will be a metal panel on the fire wall side of the air box remove the screws to remove this panel to gain access to the heater core. fairly simple,but the nut under the battery can be a pain to get to.

Nov 16, 2010 | 1993 Jeep Wrangler

1 Answer

How to replace maintenance kit; there were no instructions

front door---raise 2 locks(levers)---pull out fuser
feed roller
remove paper fully--- under the printer move lever to the right and remove the feed roller(do not turn the printer upsidedown)
transfer roller --
front door--- press 2 green locks and pull unit out

Jan 08, 2010 | Ricoh Aficio SP C410DN Laser Printer

1 Answer

AR 200- paper pulls to the green bar and then stops- will not print or move from there and screen says to clear paper path. no paper moves beyond the same point.

This "green bar" (registration roller) could be a few things
  1. Registration sensor dirty or inoperable
  2. Feed tires dirty
  3. Registration rollers dirty
  4. Fuser gate broken
For item 1 the flag and sensor is located under the copier. if you only have one tray then this can be located and removed easily. if you have 2 trays then this get more difficult. Here are the steps for one tray
  1. Open and remove right side door
  2. Remove toner, developer, and drum unit
  3. Remove paper tray
  4. Turn copier on its right side
  5. (Top is away from table and bottom is towards table) Towards the bottom of the copier there is a guide that needs to be removed (2 screws)
  6. There is a cover where a couple of wires are going to needs to be removed (use caution)
  7. Once removed take can of air and blow out sensor
  8. Replace items as removed
For item 2 follow steps 1-4 and locate tires clean using warm soapy water on a lint free cloth or mechanics towel

For item 3 open and remove right side door and clean grey rollers located under green cylinder which is your drum (USE caution not to touch or damage)

If the first 3 steps do not help then you should call your local Sharp dealer for repairs.

Mar 17, 2009 | Sharp Office Equipment & Supplies

1 Answer

Setting up printer for reverse/mirror printing

I used to use iron on transfers all the time for different things. The setting is usually available whan you attempt to print the image you have different options in properties. Under the advanced tab in printer properties there is something called media type. You can set this to iron on transfer. To locate printer properties in XP for example go to Start>Control Panel>printers>view all printers right click on the printer you intend to use and select properties.

Mar 12, 2009 | Canon Office Equipment & Supplies

3 Answers

HP 2840 Jam in Print Paper Path

There are 2 primary paper sensors. One is the registration sensor where the paper feeds in, the second is associated with the fuser unit.

The first sensor is located under a cover under the transfer unit.
i) Open the door
ii) Lift out the transfer unit (Q3964A)
iii) Locate the black plastic cover plate with a small green flap in the centre. This assembly is directly under where the transfer unit was installed.
iv) There are 2 shiny screws that secure this cover plate. Carefully remove these screws.
v) Lift out the black cover plate by lifting the left section up first which allows the right section to come clear of gears.
vi) Check for paper obstructing the small movable lever under the cover plate.

vii) To reinstall the cover plate, insert the right hand side down first and line up with the mounting holes.

I can supply photos if required.

Jan 10, 2009 | Ricoh Aficio 250 Copier

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