Paper Jam - Brother MFC-P2000 - B/W Laser Printer Service Manual

6.

PAPER JAM

Problem
Jam at power on
Top of paper stopped
at 20 mm from the
fixing unit.
Paper feed roller
rotated twice.
Top of paper stopped
at 250 mm from the
fixing unit.
Next paper is not fed.
Top paper stopped at
the paper feed roller.
Paper was fed approx.
20 mm from the
transfer roller.
Top of paper stopped
at 17 mm from the
contact point of the
heat roller and
pressure roller.
Top of paper stopped
at 35 mm from the
contact point of the
heat roller and
pressure roller.
Jam occurred after
ejecting paper.
Top of paper stopped
at 20 mm from the
fixing unit.
Note: How to check the sensors
(1) Open the cover.
(2) Turn on the printer power switch while pressing the panel switch.
(3) Release the panel switch.
(4) Press and release the panel switch.
Results:
*Alarm Lamp is ON = Paper feed sensor is turned ON
*Drum Lamp is ON = Paper eject sensor is turned ON
Type of jam
Paper stuck
No paper
Jam caused by paper
length detected as
longer than 400 mm
(16 inches).
Jam caused by paper
length detected as
shorter than 80 mm.
Jam caused by a paper
feed delay.
Jam caused by the
paper sensed as not
being ejected from the
paper eject sensor.
Jam caused by the
paper sensed as not
being ejected from the
paper feed sensor.
Same as above.
1. Cover open
2. Bug
IV-26
Cause
Paper feed sensor or
paper eject sensor is
turned on.
Paper feed sensor is
not turned on.
Paper feed sensor is
not returning properly,
and is not turned off.
Paper feed sensor
was turned off early.
Malfunction of
actuator or hardware
noise.
Due to paper dust or
wear of the rubber
paper feed roller,
paper was not fed in
at the proper timing.
Paper eject sensor
does not work
properly and is not
turning off.
(single printing)
Paper feed sensor is
not turning on.
Same as above.
(continuous printing)
1. Cover is not closed
properly.
2. Bug
Temp measure
Remove the paper inside
the printer. If there is no
paper, check the
suspect sensors
referring to the note
below and clear the
problem.
Check paper feed
sensor motion referring
to the note below and
clear the problem.
Check paper feed
sensor motion referring
to the note below and
clear the problem.
Check sensors referring
to the note below and
clear the cause of the
problem.
Remove the paper dust
attached to the paper
feed roller. If the rubber
is worn out, replace it
with new one.
Check the sensor motion
referring to the note
below and clear the
problem.
Check the sensor motion
referring to the note
below and clear the
problem.
Same as above.
1. Check if the drum unit
is installed correctly.
2. Please inform BIL.