Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Service Guide
[ CLP-310 /315 / CLX-317x series ]
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SAMSUNG ELECTRONICS
Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
CONTENTS
1. Millet Fuser Error Algorithm & & & & & & & & 2
2. Defect Judgment Flow Chart & & & & & & & & .. 3
3. Component SVC part & Method & & & & & & .. 8
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SAMSUNG ELECTRONICS
Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
1. Millet series Fuser Error Check Algorithm
1) S/W Protection
1) S/W Protection
1) S/W Protection
1) S/W Protection
Over heat error : Check, always
Over heat error : Check, always
Over heat error : Check, always
Over heat error : Check, always
-. Stay more 3 min. on condition over 190! : Check, when Stand-by Status.
-. Stay more 30 sec. on condition over190! : Check, when Warm-up & Power Save
-. Stay more 20 sec. on condition over 205! : Check, always
-. Stay more 2 sec. on condition over 215! : Check, always
Low heat error :
Low heat error :
Low heat error :
Low heat error :
-. Not to reach 150 ! for 3 min 40 sec : When warm up
-. Stay more 20 sec. under 20! : When Printing & Stand-by
Open heat error : When Warm-Up, Check
Open heat error : When Warm-Up, Check
Open heat error : When Warm-Up, Check
Open heat error : When Warm-Up, Check
-. Stay more 20 sec, under 50!
Abnormal ADC : When Stand-by & Printing, Check
Abnormal ADC : When Stand-by & Printing, Check
Abnormal ADC : When Stand-by & Printing, Check
Abnormal ADC : When Stand-by & Printing, Check
-. Stay more 10 sec, Over 50 ! gap with ADC value.
2) H/W Protection : Compulsorily Heater Off, when sensing over 188! in Thermistor
2) H/W Protection : Compulsorily Heater Off, when sensing over 188! in Thermistor
2) H/W Protection : Compulsorily Heater Off, when sensing over 188! in Thermistor
2) H/W Protection : Compulsorily Heater Off, when sensing over 188! in Thermistor
3) Mechanical Protection : On Thermostat sensing 170!, Thermostat Open
3) Mechanical Protection : On Thermostat sensing 170!, Thermostat Open
3) Mechanical Protection : On Thermostat sensing 170!, Thermostat Open
3) Mechanical Protection : On Thermostat sensing 170!, Thermostat Open
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
2. Defect Judgment Flow Chart
1. Jam 2
1. Jam 2
1. Jam 2
1. Jam 2
Check the leadedgeof Jam
paper.
Guide Input
YES YES
Before Entering
Guide-Input Fuser
Assembly
Fuser?
Section 3.3.5
Defect?
NO
NO
Damage in
YES Guide-Input Fuser
Guide Input Rib
Section 3.3.5
surface?
If  NO damage to
NO
input guide, and if
paper is stopping
 before entering
Fuser then why are
we replacing fuser
YES
Before, Damage Guide
YES
Guide-Output
entering Exit Output Rib
Section 3.3.4
Roller? surface?
NO
NO
Damage or
Actuator-Exit Re-
YES
wrong assembly
assembly or change
in Actuator-
Exit?
NO
Damage in
YES
Guide Rib
Fuser Change
surface of
Upper  Fuser?
NO NO
After changing fuser
Rolled in Heat-
& Re-check
Roller?
Change the Fuser
YES
Remove the Paper
& Re-Check
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
2. Abnormal Noise
2. Abnormal Noise
2. Abnormal Noise
2. Abnormal Noise
Fuser Mounting Tighten or
YES
YES
Gear Gear not
screws stripped or change the
meshing?
not tight? M4-10 screws
NO
NO
Remove wrap
YES
paper, clean
Wrap Jam?
and inspect
rollers.
NO
Replace Fuser
YES
Damage Fuser
Gear
Drive Gear?
JC66-00669A
NO
Bushing melting Replace Heat
YES
and Rollers
Heat Roller and bushings,
damage? then test
NO
Replace Fuser
& recheck
Add "High
Are gear drive
YES
Temperature
YES
parts
Friction Noise?
Grease" of
worn due to lack
drive gear
of Grease?
parts,
NO NO
replace any as
is necessary
Abnormal
Replace Fuser
YES
wear of the
Gear JC66-
Fuser Gear
Replace Fuser
00669A
JC66-00669A
& recheck
NO
Replace Fuser
& recheck
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
3. Image Defect
3. Image Defect
3. Image Defect
3. Image Defect
Is there the Spot
Is there pollution
YES
YES
Clean the Heat
that
on the Heat Roller
Roller Surface
repeats every
surface?
86mm?
NO NO
Replace Heat
Roller
YES
Heat Roller and check
Surface Damage? Pressure
Roller and
bushings
NO
Other Unit Check:
Transfer Unit
Cyclical mark on Is there pollution Clean the
YES
YES
the backside of in Pressure Roller Pressure
the paper? Surface? Roller Surface
NO
NO
Replace
YES
Pressure Roller
Pressure Roller
and check Heat
Surface Damage?
Roller
and bushings
NO
Other Unit Check:
Transfer Unit
Toner not fused Follow "Low Heat
YES
wipes Error"
off on your hand? troubleshooting
NO
Cyclical Ghost
Follow "Over Heat
YES
Image
Error"
repeated every
troubleshooting
86mm?
NO
Other Unit Check
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
4. System Defect
4. System Defect
4. System Defect
4. System Defect
1) Low Heat Error
Smart Panel : Low Heat Error
YES
Lamp open?
Change Fuser Lamp
(110V©Ä†: 1.35Ä… 1 ohm
4713-001243
220V©Ä†: 4.7Ä… 1 ohm)
NO
YES
Change Fuser Lamp
Lamp Short?
4713-001243
NO
YES
AC-Harness Change
AC-Harness Short?
NO
YES
Replace Thermostat
Thermostat Open?
4712-001031
NO
YES
Thermistor Pollution,
Replace Thermistor
Bend ?
1404-001447
NO
YES
Thermistor
Replace Thermistor
Resistance Defect?
1404-001447
(300~450kohm @ 25!)
Replace Fuser & recheck
NO
The SMPS and Main Bd
could be suspect
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
2) Except Low Heat Error
Smart Panel : Over Heat Error
YES
Lamp open ?
Change Fuser Lamp
(For 110V: 1.35Ä… 1 ohm
Ä…
Ä…
Ä…
4713-001243
For 220V: 4.7Ä… 1 ohm)
Ä…
Ä…
Ä…
NO
YES
Replace Thermistor
Thermistor cannot be
1404-001447
cleaned and/or bent?
NO
YES
Thermistor Resistance
Replace Thermistor
Replace Thermistor
Replace Thermistor
Replace Thermistor
Defect?
1404- 001447
1404- 001447
1404- 001447
1404- 001447
(300~450kohm @ 25!)
!
!
!
Replace Fuser & recheck
NO
The SMPS and Main Bd
could be suspect
Smart Panel : Open Heat Error Same measures
with Low Heat Error
Smart Panel : Abnormal ADC Error
Thermistor Resistance
YES
Replace Thermistor
Defect?
1404-001447
(300~450kohm @ 25!)
!
!
!
Replace Fuser & recheck
Replace Fuser & recheck
Replace Fuser & recheck
Replace Fuser & recheck
NO
The SMPS and Main Bd
The SMPS and Main Bd
The SMPS and Main Bd
The SMPS and Main Bd
could be suspect
could be suspect
could be suspect
could be suspect
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
3. Component Service parts and Change method
3.1 Main component Service Parts
3.1 Main component Service Parts
3.1 Main component Service Parts
3.1 Main component Service Parts
Photo Part Code Part name
1 JC66-01775A ACTUATOR-EXIT FUSER
2 4713-001243 LAMP-HALOGEN
3 JC39-00501A CBF HARNESS-FUSE_LINK1
4 JC39-00907A HARNESS-FUSER AC
5 JC61-02364A GUIDE-OUTPUT FUSER
6 JC61-02361A GUIDE-INPUT FUSER
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
3.2 Fuser Assy Disassemble method
3.2 Fuser Assy Disassemble method
3.2 Fuser Assy Disassemble method
3.2 Fuser Assy Disassemble method
Caution  Do not work on the Fuser Unit if it is hot, as you may get burnt.
Caution  Do not work on the Fuser Unit if it is hot, as you may get burnt.
Caution  Do not work on the Fuser Unit if it is hot, as you may get burnt.
Caution  Do not work on the Fuser Unit if it is hot, as you may get burnt.
Please wait until the fuser cools down enough to safely work on it.
Please wait until the fuser cools down enough to safely work on it.
Please wait until the fuser cools down enough to safely work on it.
Please wait until the fuser cools down enough to safely work on it.
1 . After open Front Cover open and loose 4. Loosen the screw in the red circle,
Two screws, disassemble Top cover separate the right side cover.
4
1
5. Remove the two connector in the red circle.
2. After separate the Cover Cable,
separate the Connector.
3. Separate Front cover as push the Hook
to inside.
2
6. After loosen four screws in the red circle,
pushing the holder shaft fuser to the right,
and then separate the Fuser Ass'y from Printer.
2 3
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SAMSUNG ELECTRONICS
Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
3.3 Change method of fuser component part
3.3 Change method of fuser component part
3.3 Change method of fuser component part
3.3 Change method of fuser component part
3.3.1 ACTUATOR-EXIT FUSER
3.3.1 ACTUATOR-EXIT FUSER
3.3.1 ACTUATOR-EXIT FUSER
3.3.1 ACTUATOR-EXIT FUSER
Separate it as take up right side of ACTUATOR-EXIT FUSER like the picture
3.3.2. LAMP-HALOGEN
3.3.2. LAMP-HALOGEN
3.3.2. LAMP-HALOGEN
3.3.2. LAMP-HALOGEN
1 . Pull out the harness (CBF HARNESS-FUSE_LINK1, HARNESS-FUSER AC) which is
connected at Fuser LAMP-HALOGEN.
And loose the two screws ( Left side, Right side each one ) in the red circle.
2. Pull out the LAMP-HALOGEN like below photo.
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
3.3.3. CBF HARNESS-FUSE_LINK1 and HARNESS-FUSER AC
3.3.3. CBF HARNESS-FUSE_LINK1 and HARNESS-FUSER AC
3.3.3. CBF HARNESS-FUSE_LINK1 and HARNESS-FUSER AC
3.3.3. CBF HARNESS-FUSE_LINK1 and HARNESS-FUSER AC
1. Pull out the connected part from LAMP-HALOGEN (Refer to 2. LAMP-HALOGEN disassemble method)
2. Pull out the connected part from THERMOSTAT. And separate the harness from the Fuser.
3.3.4. GUIDE-OUTPUT FUSER
3.3.4. GUIDE-OUTPUT FUSER
3.3.4. GUIDE-OUTPUT FUSER
3.3.4. GUIDE-OUTPUT FUSER
1 . Loose the two screws in the red circle. 2. After Open FRAME-LOWER FUSER,
Separate the GUIDE OUT FUSER.
Caution  Do not touch the surface of the roller.
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Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
Fuser Service Guide
3.3.5. GUIDE-INPUT FUSER
3.3.5. GUIDE-INPUT FUSER
3.3.5. GUIDE-INPUT FUSER
3.3.5. GUIDE-INPUT FUSER
After loose the fixed two screws on GUIDE-OUTPUT FUSER, Disassemble
Caution  Do not touch the surface of the roller.
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Service Guide