Your Samsung Laser Printer is beeping and spitting out Error #A1-4111 on the display screen.
I had to do quite a bit of searching to find the simple fix here: http://jimlund.org/blog/?p=747 for a different printer model. The fix worked but I thought an Instructable with pictures would be helpful.
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Step 1: Remove the Right Side Panel
1. Before starting, turn off the power with the power switch next to the power cord then disconnect the power cord.
2. Remove any data cables since you will be spinning it all around.
3. On my printer (other models may vary) there are 5 screws that need to be removed first:
Facing the front, open the large lower front cover and remove the three screws on the front right
Turn to the back and open the back cover. Remove the two screws on the left. Notice any screws that are different and remember their position.
4. Slide the right side cover towards the back. It should come away easily. Set it aside.
Step 2: Solenoid Fix
This problem is with the small blue solenoid in the upper left corner. A pad slips or falls off and the printer gets unhappy.
Remove the retaining screw and pull it out a bit to work on.
If yours is missing, look around for it. If it or the stickiness is gone, a few layers of masking tape cut in a small square can fix it.
In my case the small foam pad had just slipped. So I could just lift it with an X-acto knife carefully and reposition it then make sure it was stuck well right under the tab.
Step 3: Test and Reassemble
Reinstall the solenoid.
If you promise not to touch any open electronics, plug in the power cord and see if the error now goes away. Watch the motors and solenoid to see that they spin and click on power up sequencing.
Take out the powercord so you can put the side panel back on. A stack of post-its underneath to tilt it up makes it easier to engage all of the tabs on the side panel.
Reverse the steps of disassembly. Be sure to put the different screw in the correct hole. The tiny screw goes in the lower position in the back on my model printer.
Plug in and enjoy.