Canon LBP2900: Error Code E100 0000

Error code E#100, ERR 100 or E100-0000 is a laser scanner unit error.


Solution 1:

• Turn off the printer, wait 10 minutes, and then turn it on again.

Solution 2:

• Flip open the top of the printer. 
• Look for a small shutter that holds the laser: carefully force this open with your hands and force the laser out into the center of the tracking cradle.
• After you move the laser, unplug the printer for a few minutes. 
• Plug the printer back in.

Solution 3:

• If the same error occurs, it's necessary to contact a service representative.