Brother MFC-9420CN All-In-One Laser Printer "machine unable print 28" Questions

...Machine says unable to print, see troubleshooting and routine maintenance. Nothing works to fix it. Went into service mode and gave machine error 28. What does that mean? Well it's a low temp error ...

...unable to clean. print head is stuck at far right side. how can I release print head? Thanks. Jim Nov 18, 2009 - Thanks! This solution got the printer working again: Thanks, cene765. Best ...

...Unable XX Cause: The machine has a mechanical problem. Action: Turn off the machine's power switch and then turn it on again. If the error message continues, leave the machine for several minutes and ...

...machine starts to boot but the control panel is locked so unable to axcess the service mode or any other function on the machine .any ideas please . i have an erro paper jam in copier jam the code ...