Brother 1240, HL-1030, 1250 Causes & countermeasures, Problem Type of Jam Cause Remedy

CHAPTER 6 TROUBLESHOOTING

4.2.2Causes & countermeasures

The causes for paper jam problems vary depending on the location of the paper jam. When a paper jam occurs inside the printer, you have to find the location of the paper jam first, remove the jammed paper and then take the appropriate countermeasure referring to the table below;

Problem	Type of Jam	Cause	Remedy
Jam when the printer is	Paper stuck	The front registration	Remove the paper inside
turned on.		sensor or paper eject	the printer. If there is no
		sensor is turned on.	paper, check the suspect
			sensors referring to
			NOTE.
Top of paper stopped at	Jam caused by paper	The front registration	Check front registration
230mm from the second	length detected as	sensor is not returning	sensor motion referring to
exit roller. Next paper is	longer than 400mm (16	properly and is not	NOTE.
not fed.	in).	turning off.
Bottom of paper stopped	Jam caused by paper	The front registration	Check the front
around the transfer roller.	length detected as	sensor was turned off	registration sensor
	shorter than 80mm.	early. Malfunction of	referring to NOTE.
		actuator or hardware
		noise.
Top of paper stopped	Jam caused by a	Paper was not fed in at	Remove the paper dust
between the paper feed	paper feed delay.	the proper timing due	attached to the pick-up
roller and the pick-up		to paper dust or wear	roller. If the rubber is
roller.		of the rubber pick-up	worn out, replace it with a
		roller.	new one.
Top of paper stopped at	Jam caused by the	The paper eject sensor	Check sensor motion
35mm from the contact	paper sensed as not	is not working properly	referring to NOTE.
point of the heat roller and	being ejected from the	and has not turned off.
pressure roller.	paper eject sensor.	(single printing)
Top of paper stopped at	Jam caused by	The surface of the	1) Clean the surface of
30 - 40mm from the	incorrect paper pick	separation pad or the	the separation pad or
contact point of the heat	up.	pick-up roller is dirty or	pick-up roller.
roller and pressure roller.		worn out.	2) Replace the separation
Jammed paper is not
			pad or pick-up roller.
printed at all.
Jam after paper is	Jam caused by the	The paper eject sensor	Check sensor motion
ejected.	paper sensed as not	or front registration	referring to NOTE.
	being ejected from the	sensor is not working
	paper eject sensor.	properly and has not
		turned off. (continuous
		printing)

NOTE:

How to check the sensors:

1)Turn off the printer power switch, open the front cover, and remove the drum unit.

2)Turn on the printer while pressing the control panel button. The Drum LED comes ON.

3)Lightly press the panel button again.

Alarm LED is ON = Front registration sensor is turned ON. 4) Press￿and release the panel button again.

Drum LED is ON = Paper eject sensor is turned ON.

For details on the sensors, see ‘Factory inspection mode’ in Subsection 10.2.

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