How to Fix Error system 20, 21, 22, 23 Laser Diode Failure?
To Fix Brother Printers Error Code 20, 21, 22, 23 you try this, or you can follow the below steps.
Laser Diode Failure: The laser diodes write the information to be printed on the drum surfaces and if one of them has failed.
Switch the machine off and back on again. If the error code continue the laser unit will need replacing.
If you wish to fix all these errors then call the Brother Printer Support for assistance. Also, when you place a call at our toll-free number, we redirect your call to one of our skilled technicians.