Brother International HL 1850 Service Manual - Page 177

HL-1850/1870N SERVICE MANUAL Holding down the - switch and the Set switch at the same time while the error messages display will cause the type of the error appears on the LCD display. Error Messages ERROR SO1 ERROR S02 ERROR S03 ERROR S04 ERROR S05 ERROR S06 ERROR S07 ERROR S0S ERROR S09 ERROR S10 ERROR Sll ERROR S12 ERROR S13 ERROR S21 ERROR E41 Meaning Remedy Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Instruction access error Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Memory address not aligned Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Instruction bus error Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Data bus error Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Privileged instruction Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. I llegal instruction Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. No fpu Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Unknown operator call detected Turn off the printer. Wait a few seconds, then turn it on again. If still remains, replace the main PCB. Error in communication Turn off the printer. Wait a few seconds, with the engine controller then turn it on again. Refer to M-12 E41 ..i 6-7