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6
6. Troubleshooting
Troubleshooting
6.1 Procedure of Checking the Symptoms
Before attempting to repair the printer first obtain a detailed description of the problem from the customer.
Power On
- No Power
- Power Module error
- Main PBA error
- LCD Panel error
OP Panel
ON?
Refer to
Error Massage
<Chapter 4.8>
Indicate
Error Massage
Ready or
Power save
Test Print
printing
Quality is
Nomal?
Refer to "Solution
of Image Problem"
END
Service Manual
6-1
Samsung Electronics
Troubleshooting
6.2 Paper Feeding Problems
6.2.1 Wrong Print Position
• Description
Printing begins when the paper is in the wrong position.
Check and Cause
Solution
Adefective feed sensor actuator can cause incorrect tim-
ing.
Replace the defective actuator
6.2.2 JAM 0
1. Paper has not exited from the cassette.
2. Jam-0 occurs if the paper feeds into the printer.
• Description
Check and Cause
Solution
Fuser
Toner Cartridge
CR
DR
1. Check the Solenoid by using Engine
Test Mode.
1. Replace the solenoid.
OPC
SR
EXIT
Sensor
PR
PTL
Feed
Sensor
MP Sensor
TR
FR
Empty Sensor
2. Check the surface of the roller-pick-
up for foreign matter.
2. Clean with soft cloth dampened with
IPA(Isopropyl Alcohol) or water.
3. If continuous clusters occur, check
whether the assembly slot between
shaft-pickup and housing-pickup
become open or is broken away.
3. Replace the Housing-Pickup and/or
Shaft-Pickup.
4. If the paper feeds into the printer and
Jam 0 occurs, perform Component
Test Mode to check feed-sensor of
the engine board.
Service Manual
6-2
Samsung Electronics
Troubleshooting
6.2.3 JAM 1
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.
• Description
Check and Cause
Solution
L S U
Fuser
Toner Cartridge
1. If the recording paper is jammed in
front of or inside the fuser.
1. Replace the HVPS.
CR
DR
OPC
SR
EXIT
Sensor
PR
PTL
Feed
Sensor
MP Sensor
TR
FR
Empty Sensor
2. If the recording paper is stuck in the
discharge roller and the fuser just
after passing through the Actuator-
Feed, Feed Actuator may be defec-
tive.
2. Reassemble the Actuator-Feed and
Spring-Actuator if the return is bad.
6.2.4 JAM 2
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.
• Description
Check and Cause
Solution
L S U
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.
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.
Fuser
Toner Cartri
CR
DR
OPC
SR
EXIT
Sensor
PR
PTL
MP S
Feed
Sensor
TR
FR
Empty Sensor
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 claw spring
is broken away or transformed.
• It occurs when the Heat-Roller or
Pressure-Roller is seriously contami-
nated with toner powder.
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. Paper is accordion jammed in fuser.
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.
Service Manual
6-3
Samsung Electronics
Troubleshooting
6.2.5 Multi-Feeding
• Description
Multiple sheets of paper are fed at once.
Check and Cause
Solution
1. Solenoid malfunction(the solenoid does not work
properly): Perform Engine Test Mode.
1. Replace the solenoid if necessary.
2. Friction-Pad is contaminated with foreign matter.(oil..)
2. Clean the friction-pad with soft cloth dampened with
IPA(Isopropyl Alcohol).
3. The face of paper is blended.
3. Use the smooth paper.
6.2.6 Paper rolled in the fuser
• Description
Paper rolled in the fuser 100.5mm
Check and Cause
Solution
1. Contamination of the pressure roller or heat roller
(Background, Hot off set).
1. After disassembling the fuser, clean contamination
between the heat roller and the thermostor and
remove the contamination of the pressure roller.
2. Check the claw of the fuser whether it is deformed.
2. If there is heavy background, repair it by the
background troubleshooting method.
3. Clean the surface of the heat roller with IPAor water.
4. Check the warp or separation of the print claw and
the holder plate claw, and then manage it.
Service Manual
6-4
Samsung Electronics
Troubleshooting
6.2.7 Paper rolled in the OPC
• Description
Paper is rolled up in the OPC.
Check and Cause
Solution
1. Paper is too thin.
1. Recommend to use normal paper thickness.
2. The face of paper is curled.
2. How to remove the rolled paper in the OPC.
• Remove the paper while turning the OPC against
the ongoing direction.
• Clean fingerprints on the OPC softly with soft
cloth dampened with IPA(Isopropyl Alcohol) or tis-
sue.
6.2.8 Defective ADF
• Description
ADF (Automatic document Feeder) is not properly operated.
Check and Cause
Solution
1. Check if ADF rubber and HOLDER rubber are dam-
aged.
1. Replace the contaminated or damaged part.
2. Check if the document sensors of ADF Ass’y
(3 paper sensors) are normal.
2. If you cannot confirm the damaged part with the
naked eye, try to replace the ADF Ass’y.
Service Manual
6-5
Samsung Electronics
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