Brother HL-1260 service manual Service

Service Call Message	Meaning	Action
99 SERVICE 2	Address Error (L)	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 3	Address Error (S)	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 4	Bus (I) Error	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 5	Bus (D) Error	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 6	Syscall Exp.	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 7	Breakpoint Exp.	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 8	Reserved Ins.	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 9	Copro. Unusable	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 10	Overflow Exp.	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.
99 SERVICE 11	Undefined Intrpt	Turn off the printer. Wait a
		few seconds, then turn it on
		again. If it's still displayed
		on the LCD, replace the
		Main PCB.

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