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Service Manual
Troubleshooting
7-2
7.1.4 JAM 2
• Description
1. Recording paper is jammed in front of or inside the fuser .
2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the
Actuator-Feed.
PTL
P
I
C
K
/
R
PR
CR
DR
SR
TR F
Empty Sensor
OPC
L S U
Fuser
Toner
EXIT
Sensor
Feed
Sensor
Check and Cause Solution
1. If the paper is completely fed out of
the printer, but Jam 2 occurs
: Exit sensor is defective.
• After the paper is completely dis -
charged, actuator Exit should return
to the original position to shut off the
photo-sensor. Sometimes it takes
longer than it should and does not
return.
2. If the paper is rolled in the Fuser Roller:
• This occurs when a Guide claw is
broken away or transformed.
• It occurs when the Guide slaw spring
is broken away or transformed.
• It occurs when the Heat-Roller or
Pressure-Roller is seriously contami -
nated with toner powder.
3. Paper is accordion jammed in fuser.
1. Check if the exit sensor actuator is
defective.
• Check if the actuator exit is deformed
(Check if the lever part is deformed
in shape).
• Check whether burrs occur in the
assembly part of the actuator exit or
not and if the actuator is smoothly
operated.
• Check if foreign matters and wire get
caught in the actuator exit's operation.
2. If the paper is stuck in the fuser : dis -
assemble the fuser and remove the
jammed paper, and clean the surface
of the pressure roller with dry gauze.
3. Remove the jammed paper after disas-
sembling the fuser : Clean the surface
of the pressure roller with dry gauze.
• Remove the toner particles stained
on the rib.
• Check the assemblage and perfor-
mance of the exit.
7.1.3 JAM 1
• Description
1. Recording paper is jammed in front of or inside the fuser .
2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the
Actuator-Feed.
PTL
P
I
C
K
/
R
PR
CR
DR
SR
TR FR
Empty Sensor
OPC
L S U
Fuser
Toner Cartridge
EXIT
Sensor
Feed
Sensor
MP Sensor
Check and Cause Solution
1. If the recording paper is jammed in
front of or inside the fuser, cheek.
(The feed sensor Nith diagnostic
mode the exit.)
1. Replace the HVPS, it necessary.