Tip & How-To about Office Equipment & Supplies

Scanner errors on HP 3330, 3380 and other 33XX Printer/Scannners


1. Turn off printer and unplug power.


2. Lift up scanner lid so that you can see the scanning glass


3. Locate the screw on the top left side next to the small window of glass. (1 in picture) This glass is the section used for scanning from the automatic document feeder. Remove that screw and then the plastic that it was holding. Lift the glass out.

4. With the glass removed you can see the drive belt for the scanner. You need to rotate it until the scanner head moves to the left far enough that you can see the top of the moving part of the scanner. You will see a thin light bulb and a slot. Do not touch the lightbulb, it is fragile. You may need to pull on the assembly to move it the last bit to access the slot


5. Use a flashlight to see down into the slot, you will see a thin mirror that runs the width of the slot. If that mirror is dirty, that may be the problem and it needs to be cleaned.


6. Use a q-tip moistened with either alcohol or window cleaner to gently clean the mirror. Make sure you do not leave any lint in there.


7. Replace the glass and turn printer back on. If this is going to work it should come to ready.

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printer will not scan


he HP All-in-One product displays one of the following error messages on the control panel when scanning or copying:
  • Scanner failure, power off and on
  • Scanner System Failure
  • Scanner failed, cannot make copies or fax
  • Scanner failure. Unable to scan, copy, or send a fax
  • Scanner failure, cycle power
Additionally, the scanner bulb might not turn on during scanning.ry the following solutions in the order presented to resolve the issue. When one of the solutions resolves the issue, there is no need to continue troubleshooting.Solution one: Check the scanner lightFollow these steps to check the scanner light by making a color copy of any document.
  1. Load plain white, unused, letter size paper in the paper tray.
  2. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
  3. Make a color copy.
  4. When the product starts to scan the document to copy, slightly lift the scanner lid to see if the scanner light turns on. It is not necessary to lift the lid completely CAUTION:Do not look directly at the scanner light.The scanner light should be visible under the scanner glass to the right or left.Figure 1: Scanner light visible underneath the glass
    1 - Area where scanner light is visible2 - Scanner glass
    • If the scanner light does not turn on when the scanner mechanism moves across the scanner bed, continue to the solution to reset the product.
    • If the scanner light turns on , continue with the next solution.
    Solution two: Check the power connectionFollow these steps to troubleshoot the power connection.
    1. Press the Power button (c01602202.gif ) to turn off the product.
    2. Unplug the product power cord from any surge protector, extension cord, or power strip, and then connect the power cord directly to a wall outlet.
    3. Press the Power button (c01602202.gif ) to turn on the product.
    4. Load plain white, unused, letter size paper in the paper tray.
    5. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
    6. Try again to make a color copy.
      • If these steps resolved the issue , you do not need to continue troubleshooting.note.pngNOTE:If the product works properly when plugged directly into a wall outlet rather than a power strip or surge suppressor, the power strip or surge suppressor might not allow enough voltage for the product to work properly.
      • If the issue persists , continue with these steps.
    7. Press the Power button (c01602202.gif ) to turn off the product, disconnect the power cord from the wall outlet, and then reconnect the power cord to a different wall outlet.
    8. Press the Power button (c01602202.gif ) to turn on the product.
    9. Try again to make a color copy.
    • If these steps resolved the issue , you do not need to continue troubleshooting.
    • If the issue persists , continue to the next solution.
    Solution three: Reset the productFollow these steps to reset the product.
    1. Press the Power button (c01602202.gif ) to turn off the product.note.pngNOTE:The product might not turn off after pressing the Power button. Continue to the next step regardless.
    2. Disconnect the power cord from the rear of the product.
    3. Unplug the power cord from the electrical outlet.
    4. Wait 30 seconds.
    5. Replug the power cord into the electrical outlet.
    6. Reconnect the power cord to the rear of the product.
    7. Press the Power button (c01602202.gif ) to turn on the product.
    8. Load plain white, unused, letter size paper in the paper tray.
    9. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
    10. Try again to make a color copy.

Dec 11, 2011 | HEWLETT-PACKARD Officejet 4500 All-in-One...

1 Answer

printer keeps making an adjusting noise


If it is the scanner making the adjustment noise it is because it is having problems adjusting scanner either for location or white balancing. You can try one thing that sometimes fixes the problem, but if this does not work then you will likely need to replace.

1. Turn off printer and unplug power.

2. Lift up scanner lid so that you can see the scanning glass

3. Locate the screw on the top left side next to the small **** of glass. This glass is the section used for scanning from the automatic document feeder. Remove that screw and then the plastic that it was holding. Lift the glass out.

4. With the glass removed you can see the drive belt for the scanner. You need to rotate it until the scanner head moves to the left far enough that you can see the top of the moving part of the scanner. You will see a thin light bulb and a slot. Do not touch the lightbulb, it is fragile. You may need to pull on the assembly to move it the last bit to access the slot

5. Use a flashlight to see down into the slot, you will see a thin mirror that runs the width of the slot. If that mirror is dirty, that may be the problem and it needs to be cleaned.

6. Use a q-tip moistened with either alcohol or window cleaner to gently clean the mirror. Make sure you do not leave any lint in there.

7. Replace the glass and turn printer back on. If this is going to work it should come to ready.

May 01, 2011 | HP LaserJet 3330 All-In-One Printer

1 Answer

I want to clean the underside scanning glass of the HP C4180 scanner/printer because when I scann, the top is clean, but the scaned pictures look like they have little specks of dust all over the scanned picture. How do I clean the underside of the scanning glass of the HP C4180?


It takes several steps to remove the glass carrier for cleaning, but it's not really difficult. You'll need a T10 Torx screwdriver, eyeglasses cleaner or similar, and a lint-free microfiber cloth.

1) Remove usb and power cables. Flip the front covers open (revealing the cartridge-insertion area). Remove 2 screws from the right-side panel, and remove that panel.

2) Open the photo-paper holder on the left side, depress plastic tabs on its top and bottom so it can swing out 90 degrees, and remove it.

3) Remove 2 screws from the left-side panel, and remove the panel. This exposes the gears of the paper-handling mechanism; take care not to move the gears. Disconnect the three ribbon cables connected the bottom circuit board.

4) Flip up the LCD, exposing a screw. (Note that this one is shorter than all of the others.) Remove the screw. Lift the scanner lid and remove two screws just behind the rear of the glass. Close the cover. Lift the rear of the glass carrier, then slide it back slightly to remove it. Take care not to move the scanner bar that remains in the main body of the machine.

5) Keeping the lid shut, flip the glass carrier over over. Spray cleaner on the glass and wipe; repeat as needed. I use a bright light at a low angle to check for particles on the glass.

To reassemble, just reverse the steps. Finish by cleaning the top of the glass.

Paul Hays

Sep 19, 2010 | HP Photosmart C4180 All-In-One InkJet...

1 Answer

The printer is making a gear clicking sound.


I had exactly the same problem with my OfficeJet 6110 as reported above (i.e. the scan head not knowing where the end-stop is). This is how to fix it (this method worked for me) 1) Lift up the scanner/copier hinged lid. Around the edge of the scan glass are 4 Torx screws. Undo all four screws. 2) Carefully prise the control panel faceplate off. The buttons underneath are on a single panel. Slide this to the left and lift off. 3) Jiggle the lid of the scanner to get it off the main body of the printer. 4) Locate the scan engine motor (top right corner) and remove the two motor retaining screws (one on the left of the motor, the other on the right). 5) Lift out the entire mechanism (rod, drive belt, scan head) and turn over. 6) Thoroughly clean all glass and mirrored areas of the scan head. Also clean the scan lamp on the top of the scan head. Clean the tray inside the scanner (where the scan head travels back and forth). Also clean the inside and outside of the scanner glass pane itself. 7) Refit all parts, using the technique described above, in reverse order. 8) Switch on printer. It should now work OK. Hope this helps, guys.

Jun 02, 2009 | HP OfficeJet 6110 All-In-One InkJet...

1 Answer

BROTHER MFC-8840D "Check Scan Lock" error message


I had the same problem. It means the scanner lamp is in the park position and is stuck. You need to lean the printer away from the sheet feed side and bump it on the side. This may fix it. If it doesn't turn off the power and remove the two screws that hold the scanner lid on. Then remover the other 6 screws located under the lid on the left side while the lid is hanging from lid open sensor cable be carefull not to drop the lid, break the cable or the glass bed. After removing the base screws you can set the lid on the scanner again while you lift the scanner bed exposing the scan lamp mechanism. Push it a few inches in the machine and close the lid. You can do a test by powering the unit on and hold the lid open sensor button located on the bottom left of the lid. The system should initialize and bring the scan lamp back to the proper position. Turn off replace all screws and your done. If it doesn't work the first time push the scanner lamp farther into the scanning area and repeat. Good Luck

Oct 05, 2008 | Brother MFC-8840D All-In-One Laser Printer

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