Brother HL-1260 service manual Step Check Result Remedy

M-9 "16 TONER EMPTY " is displayed

Possible cause	Step	Check	Result	Remedy
EP-ED cartridge	1	Take the EP-ED cartridge out of the printer	Yes	The problem was caused by
		and rock it to distribute the toner evenly.		toner onesided due to too
		When the cartridge is returned to the printer,		little toner remaining.
		does the LCD show "00 READY"?		Prepare to replace the new
				cartridge.
High-voltage	2	Are the developing bias or the toner sensor	Yes	Clean the electrode.
electrode		electrode of the high-voltage power supply PCB
		assy dirty?
High-voltage	3	Is the voltage of P4-13 in high-voltage power	Yes	Replace the high-voltage
power supply		supply PCB connector higher than that of P4-11,		power supply PCB assy.
PCB		when the EP-ED cartridge which is full with toner
		is installed?
HV harness	4	Is the voltage of P6-13 in the main PCB	Yes	Replace the HV harness.
		connector higher than that of P6-11?
Main PCB
			No	Replace the main PCB assy.

M-10

"13 JAM XXXXXX" is not displayed even if a paper jam has occured

(or is displayed even if a paper jam has not occurred) XXXXXX is TRAYS/INSIDE/REAR/DUPLEX.

Possible cause	Step	Check	Result	Remedy
Actuator	1	Does the actuator of the paper delivery sensor	No	Reassemble or replace the
		or the registration sensor operate smoothly?		paper delivery actuator and
				regist sensor actuator.
Paper delivery	2	Does the voltage of P2-1 in the fixing PCB	No	Replace the fixing PCB assy
sensor		connector rise from 0V to 5V when the eject		or the paper feed/size-sw PCB
Regist sensor		sensor is covered, or the voltage of P5-5 in		assy.
		the paper feeder PCB connector rise from
		0V to 5V when the registration sensor is
		covered?
Fuser harness	3	Does the voltage of P11-1 in the main PCB	No	Replace the fuser harness
Feed flat cable		connector rise from 0V to 5V when the eject		or the feed flat cable.
		sensor is covered, or the voltage of P3-5 in
			Yes	Replace the main PCB assy.
		the main PCB connector rise from 0V to 5V?

VI - 4