Question about Samsung SCX-4216F All-In-One Laser Printer

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I have opened the above door and have cleaned the mirrors front

I HAVE OPENED THE ABOVE DOOR & CLEANED THE MIRROR FRONT OF DETECTORS .AFTER REINSTALING THE DOOR THE PRINTER GIVE THE MESSAGE " SCANNER LOCKED". PLS HELP ME.MY PRINTER IS SCX-4216F/XSG.

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Check the cables connected to scanner pcb monted left side of the machine. there is a flat cable connected to the pcb from scanner unit. layer of contacts may not be correct. check, clean and re-inatall the cable.

Posted on Jan 31, 2009

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SOURCE: fixing of scx-4216f

scx 4216f scaner lock problem

Posted on Oct 10, 2011

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220 volts put into 110


Sir/Madam

HP LaserJet 3330 Scanner Unit Disassembly Procedure

This is not an Hewlett Packard document, the author does not work for Hewlett Packard and is not responsible for any damage you do to your printer. This procedure is for skilled repair technicians and is not recommended without some knowledge of equipment repair. Proceed at your own risk.

1. Open the document feeder and pull up on the two black tabs on the left and right.
2. Pull up on the right part of the doc feeder then the left, remove doc feeder, set aside.
3. Open front door and rear fuser door.
4. Remove screws closest to teal colored fuser release levers. side cover screws
5. Pull right cover out from back while releasing clip on bottom of cover, pull cover towards the back and remove.
6. Push on indentation at back of left cover and pull out at back, this cover is hinged.
7. Remove four screws now visible at base of scanner assy., two on left two on right.
8. Slide covers towards back and remove.
9. Remove two screws in the back just above the fuser and just below the scanner assy. base. Remove two screws in the front, visible now after removing the scanner assy. base covers on the right and left the left one is just behind the hinged cover near the top hinge.
10. Remove flat ribbon cable on left side at either connection point to disconnect scanner assy. from print engine.
11. Entire scanner assembly can now be slid forward and removed.
12. Close the front, rear and left side doors on the print engine portion and set it aside.
13. Grab front panel face plate at top and pull forward and remove.or pry gently at top of face plate)
14. At top of exposed front panel you will see four slots in the scanner assy. At the third one from the left there is a latch dark grey plastic. Push down on the latch with a screwdriver and slide the whole panel assy. to the right. Lift up and out making sure to disconnect the cable.
15. Remove the three screws in the now exposed dark grey front panel cradle and cover, remove the two cables connecting the cover to the main board, pry gently at the top outer corners of the cover and pull it forward and down, remove the cover.
16. Now remove the four scanner assy. screws one and the center front, center back, center right, center left all are facing down under the assy. (Or just flip it upside down and remove the four visible screws.
17. Turn the unit back upright and remove the four screws at the back/top two of them are down inside where the doc feeder normally goes. Remove the top scanner cover.
18. DANGER your about to work on the scanner carriage itself there is a really good chance that you could break it or the mirrors or bulb so proceed at your own risk.
19. At the top and bottom left side of the black cover enclosing the mirrors are two slots, if you put a small screwdriver in the slots and push gently to the right and lift that side of the cover it should come loose. Then open it to the right and remove it from the right slots.
20. Remove the black screw at the front of the assy., Disconnect the white wires from the CCD board and out of the harness, lift the clear plastic bulb holder out with the bulb then remove it from the rear. it's s a tight fit at the front.)
21. The top mirror is held in by some really tight clips they have to be removed from the bottom right clean the mirrors without this step if possible. NOTE: optical mirrors are not like a bathroom mirror, there is no glass covering the reflective surface. The back side of the mirror has glass covering it so if you get it in backwards it wont work. The way to tell which side you have is touch your screwdriver to the mirror and if its the right side the screwdriver will appear to touch the reflection of the screwdriver, if it's the wrong side the screwdriver will not touch the reflection of the screwdriver because of the glass covering the reflective surface.
22. Now clean the remaining mirrors and lens very thoroughly with alcohol. Make sure they are very clean. You can put the top mirror back and clean it in place to make cleaning it easier.
23. When reassembling the top cover check to make sure the white strip on the right side is clean.
24. Reverse procedure for re-assembly.

In case You still having HP Printer Problem Thn Visit Official HP Printer website For HP Printer Problem Below Link URL:

http://h30499.www3.hp.com/t5/Printers-LaserJet/Hp3330-laserjet-printer-problems/m-p/1131090#M182378

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If You Still Having HP Printer Error Then follow Us On:
HP Printer Support

Feb 10, 2014 | HP LaserJet 3330 All-In-One Printer

2 Answers

944 service scanner failure


This is a hardware issue. Lamp failure - one or both of the lamps failed, or the CCD cable has failed. Check the CCD cable for proper connection and connectivity. If inspection passes, replace the CCD carriage.

Jun 10, 2010 | Lexmark X422 All-In-One Laser Printer

1 Answer

I get a scanner bulb warming up error message how can i fix it


Apparently this is a very common issue with this printer. Some repair people won't touch it and tell you to buy a new printer. However, I have been able to find a solution to your problem. You need to clean the scanner mirrors and the black ribbon under the cover.

*****CAUTION***** This is a very complicated project and can result in the loss of your printer. So proceed VERY cautiously, or send it in for repair.

Below are some instructions I have found to disassemble your printer. Please remember, only do this at your own risk and use extreme caution while doing so.

Here are the instructions:
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This is not an Hewlett Packard document, the author does not work for Hewlett Packard and is not responsible for any damage you do to your printer. This procedure is for skilled repair technicians and is not recommended without some knowledge of equipment repair. Proceed at your own risk.

  1. Open the document feeder and pull up on the two black tabs on the left and right.
  2. Pull up on the right part of the doc feeder then the left, remove doc feeder, set aside.
  3. Open front door and rear fuser door.
  4. Remove screws closest to teal colored fuser release levers. (side cover screws)
  5. Pull right cover out from back while releasing clip on bottom of cover, pull cover towards the back and remove.
  6. Push on indentation at back of left cover and pull out at back, this cover is hinged.
  7. Remove four screws now visible at base of scanner assy., two on left two on right.
  8. Slide covers towards back and remove.
  9. Remove two screws in the back just above the fuser and just below the scanner assy. base. Remove two screws in the front, visible now after removing the scanner assy. base covers on the right and left (the left one is just behind the hinged cover near the top hinge.)
  10. Remove flat ribbon cable (on left side) at either connection point to disconnect scanner assy. from print engine.
  11. Entire scanner assembly can now be slid forward and removed.
  12. Close the front, rear and left side doors on the print engine portion and set it aside.
  13. Grab front panel face plate at top and pull forward and remove. (or pry gently at top of face plate).
  14. At top of exposed front panel you will see four slots in the scanner assy. At the third one from the left there is a latch (dark grey plastic). Push down on the latch with a screwdriver and slide the whole panel assy. to the right. Lift up and out making sure to disconnect the cable.
  15. Remove the three screws in the now exposed dark grey front panel cradle and cover, remove the two cables connecting the cover to the main board, pry gently at the top outer corners of the cover and pull it forward and down, remove the cover.
  16. Now remove the four scanner assy. screws (one and the center front, center back, center right, center left) all are facing down under the assy. (Or just flip it upside down and remove the four visible screws.
  17. Turn the unit back upright and remove the four screws at the back/top (two of them are down inside where the doc feeder normally goes.) Remove the top scanner cover position. Note: When putting the top cover back on double check to make sure the scanner belt is not twisted.
  18. DANGER your about to work on the scanner carriage itself there is a really good chance that you could break it or the mirrors or bulb so proceed at your own risk.
  19. At the top and bottom left side of the black cover enclosing the mirrors are two slots, if you put a small screwdriver in the slots and push gently to the right and lift that side of the cover it should come loose. Then open it to the right and remove it from the right slots.
  20. Remove the black screw at the front of the assy., Disconnect the white wires from the CCD board and out of the harness, lift the clear plastic bulb holder out with the bulb then remove it from the rear. (it’s a tight fit at the front.)
  21. The top mirror is held in by some really tight clips they have to be removed from the bottom right (clean the mirrors without this step if possible). NOTE: optical mirrors are not like a bathroom mirror, there is no glass covering the reflective surface. The back side of the mirror has glass covering it so if you get it in backwards it won’t work. (The way to tell which side you have is touch your screwdriver to the mirror and if it’s the right side the screwdriver will appear to touch the reflection of the screwdriver, if it’s the wrong side the screwdriver will not touch the reflection of the screwdriver because of the glass covering the reflective surface.
  22. Now clean the remaining mirrors and lens very thoroughly with alcohol. Make sure they are very clean. You can put the top mirror back and clean it in place to make cleaning it easier.
  23. When re-assembling the top cover check to make sure the white strip on the right side is clean.
  24. Reverse procedure for re-assembly.

Dec 11, 2009 | HP LaserJet 3330MFP All-In-One Printer

2 Answers

Color printing (not black)is light on left side with HP color laserjet 2600n.


you have to clean the scanner mirror . open the front cover and remove all the cartridge. you can see a 4 no's of rectangle box in which inside you can a mirrors.clean all the four mirrors.

Oct 20, 2009 | HP Color LaserJet 2600n Printer

2 Answers

Fixing of scx-4216f


pull it apart and reassemble correctly.

Dec 25, 2008 | Samsung SCX-4216F All-In-One Laser Printer

2 Answers

Failure to print properly


Is the machine a digital machine? If so there is a slight chance that the reason for the problem is that the mirrors are dirty under the copy glass. Remove glass and using glass cleaner on a soft cloth clean mirrors. Do not remove mirrors........

Clean copy glass and replace. If problem still there poss developer change or drum unit but most common is optic section. Also clean a **** glass in the machine. Open the door and you will notice a glass rod sticking out just above the drum unit. Remove clean and reinstall.

Hope this helps
Thanks Jason

Aug 16, 2008 | Canon Printers & Copiers

3 Answers

Lexmark X422MFP Error 944


Removed CCD ribbon cable, cleaned edge connector and re-connected. Working well so far.

Jun 24, 2008 | Lexmark X422 All-In-One Laser Printer

1 Answer

Bad copies


This seems an easy one the first problem you are getting is that the paper pickup rollers are worn or just dirty easy way to clean them is to place one piece of paper in the tray and at the leading edge spay on some cleaning fluid about a inch wide. Then press the copy button and the machine will jam. Open the door and repeat a few more times. Once finished remove sheet of paper from tray and wipe dry.

The other problem is merely down to dust on the copy mirrors. Remove the top glass normally two screws on the right hand side of the copy glass. Once removed glass place in safe place. In the machine use a cloth on the mirrors you can use windowlene or some other kind of glass cleaner. (DO NOT REMOVE MIRRORS) clean all then clean glass and replace the copy should be clean. (NOTE!!!!! There should be about six mirrors so make sure you clean them all)

Oh and be careful machine should be off when doing above.

Hope this helps
J

Dec 25, 2007 | Printers & Copiers

2 Answers

Proplem in aficio 450


322 C 1st laser synchronization error
• The 1st laser synchronization signal
cannot be detected by the main scan
synchronization detector board even
if the laser diodes are activated.
• Poor cable connection between the
laser synchronization detector board
and the LD unit.
• Laser synchronization detector board
out of position and angle of reflection
not correct
• Laser synchronization detector board
defective
• LD unit defective

Above is a detailed description of your problem if the copier has had a knock there maybe a mirror out of position. remove the laser unit and open. check that the mirrors are in there correct places.

Once you have done this enter service mode by pressing the yellow clear all button type using the numeric keys 1 0 7 the hold the pink stop button down unit the screen changes. press the Copy SP mode button on the screen then turn the machine off using the switch on the left hand side wait about 5 - 10 seconds and switch on then try the copier. If the problem comes up again you will most likely have to replace the LSU (Laser Scanner Unit)

(Important DO NOT ADJUST ANY OTHER SETTINGS IN COPY SP MODE AS YOU MAY DAMAGE THE MACHINE)

Hope this is some help please rate me
J

Dec 16, 2007 | Ricoh Aficio 450 Copier

3 Answers

Lexmark X422- error: "942 service scanner failure


According to Lexmark,one or both of the CCD lamps in the scanner have failed, or the CCD cable is loose or bad.

Feb 07, 2007 | Lexmark X422 All-In-One Laser Printer

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