6. Repair Information
6-1. Removal Procedures
Samsung Electronics 6-1
Cautions:
• Be s ure to unplug the power cord whenever you are working on the machine with one of the covers
removed.
• Be sure to remove the toner cartridge before you r epair parts.
• The close proximity of cables to moving parts makes proper r outing a must. If components ar e removed or
replaced, any cables disturbed by the procedure must be replaced as close as possible to their original
positions. Before removing any component from the machine, note the cable routing that will be af fected.
• If the machine is equipped with handset, remove the handset and cradle.
Releasing Plastic Latches
Many of the parts are held in places with plastic latches.
The latches break easily; r elease them carefully. To remove
such parts, press the hook end of the latch away from
the part to which it is latched.
1. Lift the contr ol panel using hand.
2. Push the bushing on both ends of the roller
slightly inward, then r otate it until it r eaches the
slot. Then lift the r oller out.
white r oller
Note : Check the roller for any dirt. If dirty, wipe it
off with soft cloth dampened with water. If
the r oller is heavily worn, r eplace it with a
new one.
6-2. White Roller
6-2 Samsung Electronics
Repair Information
6-3. OPE Cover
1. Pull the cover r elease button on both sides of the
machine, and open the front cover.
2. Remove the duct cover.
3. Remove the cover stopper securing the OPE unit.
To remove the stopper, slide it until it reaches the
slot at the center, then pull it out.
4. W ide open the cover. Pull the bottom left end of
the cover toward you to unlatch the OPE cover,
and take it out.
6-3Samsung Electronics
Repair Information
6. Unplug the OPE connector from the scan board ,
and remove ground scre w.
7. Lift the contr ol panel using hand.
8. Remove the stopper holding the OPE cover.
9. Unlatch the bottom ends, then remove the OPE
cover.
5. Remove two screws, then r emove the scan cover.
6-4 Samsung Electronics
Repair Information
6-5. OPE Board
1. Befor e you r emove the board, you should
remove:
-OPE Cover (see page 6-3)
2. Remove five scr ews, then r emove the scan upper
frame.
3. Remove eleven screws securing the board, then
r emove the board.
1. Befor e you r emove the rubber, you should
remove:
-OPE cover (see page 6-3)
2. Push the ADF stopper up from the bottom side of
the scan frame. When the stopper is released,
r emove the ADF rubber.
6-4. ADF Rubber
Samsung Electronics 6-5
Repair Information
6-6. Roll Pinch
1. Befor e you r emove the roll pinch, you should
remove:
-OPE Cover (see page 6-3)
2. Remove five scr ews, then r emove the scan upper
frame.
3. Turn the scan upper frame over, and r emove
t hree sc rews. Then, r emove the sensor bracket,
pinch spring, and roll pinch. When you remove
the spring pinch, make sure that the spring pinch
is properly latched. For the r oll pinch, push it up
from the bottom side.
6-6 Samsung Electronics
Repair Information
6-7. Scan Board
1. Pull the cover r elease button on both sides of the
machine, and open the front cover.
3. Remove the cover stopper securing the OPE unit.
To remove the stopper, slide it until it r eaches slot
at the center, then take it out.
6. Unplug all connectors from the scan boar d ,
r emove one scre w, then r emove the board. an d
r emove ground scre w.
2. Remove the duct cover.
4. W ide open the cover. Pull the bottom left end of
the cover toward you to unlatch the OPE cover,
and take it out.
5. Remove two screws, then r emove the scan cover.
Samsung Electronics 6-7
Repair Information
6-8. Rollers
1. Pull the cover r elease button on both sides of the
machine, and open the front cover.
2. Remove the duct cover.
3. Remove the cover stopper securing the OPE unit.
To remove the stopper, slide it until it r eaches slot
at the center, then take it out.
4. W ide open the cover. Pull the bottom left end of
the cover toward you to unlatch the OPE cover,
and take it out.
5. Remove two screws, then r emove the scan cover.
6. Unplug the OPE connector from the scan board ,
and remove ground scre w.
6-8 Samsung Electronics
Repair Information
12. Remove three r ollers. Use extr eme caution when
you remove rollers to pr event the gears on the
right end of the rollers fr o m being damaged.
10. Open the control panel using hand, then r emove
four scr ews.
11. Lift the scan lower frame up.
7. Lift the contr ol panel using hand.
8. Remove the stopper holding the OPE cover.
9. Unlatch the bottom ends, then remove the OPE
cover.
Samsung Electronics 6-9
Repair Information
6-10. CIS
1. Remove the scan lower frame by following the
instr uctions on page 6-7 ‘Rollers’.
2. Remove one scre w, unplug one connector, then
r emove the CIS.
6-9. Scan Motor
1. Remove the scan lower frame by following the
instr uctions on page 6-7 ‘Rollers’.
2. Remove two screws securing the motor, unplug
the motor connector from the scan board, then
r emove the motor.
6-10 Samsung Electronics
Repair Information
6-11. Front Cover
3. Remove the cover stopper securing the OPE unit.
To remove the stopper, slide it until it r eaches slot
at the center, then take it out.
1. Pull the cover r elease button on both sides of the
machine, and open the front cover.
2. Remove the duct cover.
4. W ide open the cover. Pull the bottom left end of
the cover toward you to unlatch the OPE cover,
and take it out.
Samsung Electronics 6-11
Repair Information
5. Remove two screws, then r emove the scan cover. 6. Remove one ground scre w, unplug one connector
from the scan board, then remove the fr ont cover.
6-12. Rear Cover
1. Remove three scr ews. 2. Unlatch the bottom ends, then remove the rea r
cover.
6-12 Samsung Electronics
Repair Information
6-14. LSU
1. Befor e you r emove the LSU, you should remove:
-Top cover (see above)
-Rear cover (see page 6-11 )
2. Remove four screws, unplug all connectors fro m
the LSU, then remove the LSU.
6-13. Top Cover
1. Befor e you r emove the cover, you should remove:
-Rear cover (see page 6-11 )
2. Pull the cover r elease button on both sides of the
machine, and open the front cover.
3. Remove two screws.
Samsung Electronics 6-13
Repair Information
6-16. Transfer Roller
1. Pull the cover r elease button on both sides of the
machine, and open the front cover.
2. Hold the cap at the both end of the roller , then
r emove the roller .
6-15. Side Covers
1. Befor e you r emove the left and right side covers,
you should remove:
-Top cover (see page 6-12)
-Rear cover (see page 6-11 )
-Front cover (see page 6-10)
2. Remove two screws.
3. Spr ead the r ear bottom to unlatch the r ear side,
then pull the covers in the direction of arr o w.
6-14 Samsung Electronics
Repair Information
6-17. SMPS/Engine Control Board Removal
1. Turn the machine over.
2. Remove three scr ews securing the shield, then
r emove the shield.
3. Remove seven screws, and unplug two
connectors.
6. Unplug four connectors, then remove the SMPS
and the engine board .
4. Remove two screws, unplug all connectors fr o m
the LIU board, then remove the LIU board.
Remove one ground scre w.
5. Remove two screws, unplug all connectors fr o m
the main board, then remove the main board.
Samsung Electronics 6-15
Repair Information
6-18. LIU Board
1. Turn the machine over.
2. Remove three scr ews securing the shield, then
r emove the shield.
3. Remove two screws, unplug all connectors fr o m
the board, then remove the board. Remove one
g round scre w.
6-16 Samsung Electronics
Repair Information
6-19. Main Board
1. Befor e you r emove the main board, you should
remove:
-LIU board (see page 6-15)
2. Remove two screws fr om the board.
3. Remove two screws securing the printer
connector.
4. Unplug all connectors from the main board, then
r emove the board.
Samsung Electronics 6-17
Repair Information
6-20. Joint Board
1. Befor e you r emove the board, you should
remove:
-SMPS/Engine contro l board (see page 6-14)
2. Unplug all connectors from the board , remove
three s crews, then r emove the board.
6-21. Sensor Board
1. Befor e you r emove the board, you should
remove:
-SMPS/Engine contro l board (see page 6-14)
2. Remove two screws, unplug one connector fro m
the joint boar d, then r emove the sensor board.
Samsung Electronics6-18
Repair Information
6-22. Gear Bracket
1. Befor e you r emove the gear bracket, you should
remove:
-All covers (see pages 6-2, 6-10 to 6-13)
2. Remove six scr ews securing the gear bracket,
unplug the connector from the motor, then
r emove the gear bracket.
6-23. Motor
1. Befor e you r emove the motor, you should
remove:
-All covers (see pages 6-2, 6-10 to 6-13)
-Gear bracket (see above)
2. Remove three scr ews, then r emove the motor.
Samsung Electronics 6-19
Repair Information
6-24. HVPS Board
1. Befor e you r emove the HVPS board, you should
remove:
-All covers (see pages 6-2, 6-10 to 6-13)
2. Remove five scr ews fr om the HVPS board.
3. Unplug all connector from the HVPS board , then
r emove the board.
Note: When you reassemble the HVPS board, make
sure that the high voltage electr odes ar e
placed correctly.
6-20 Samsung Electronics
Repair Information
6-25. Fuser
1. Befor e you r emove the fuser, you should remove:
-All covers (see pages 6-2, 6-10 to 6-13)
2. Remove the exit guide.
3. Unlatch the wire cap, then remove the cap at
the left side of the frame.
4. Remove four screws.
5. Unlatch the fuser using a proper tool.
Samsung Electronics 6-21
Repair Information
7. Release the left end, then r emove the fuser.6. Unlatch the right end, then push the right end
slightly inward .
6-26. Pressure Roller
1. Befor e you r emove the roller , you should r emove:
-All covers (see pages 6-2, 6-10 to 6-13)
-Fuser (see page 6-20)
2. Remove the roller .
Samsung Electronics6-22
Repair Information
6-27. Upper Frame
1. Befor e you r emove the upper frame, you should
remove:
-All covers (see pages 6-10 to 6-13)
-HVPS board (see page 6-19)
2. Remove eleven screws.
3. Unlatch the front end, then lift the upper frame up.
Samsung Electronics 6-23
Repair Information
6-28. Pickup Roller
1. Befor e you r emove the pickup roller , you should
remove:
-All covers (see pages 6-2, 6-10 to 6-13)
-HVPS Board (see page 6-19)
-Upper Frame (see page 6-22)
-Gear Bracket (see page 6-18)
2. Remove the pickup cap.
3. Remove one scre w, then r otate the pick-up
bushing at the left end of the roller clock-wise.
4. Remove E-ring at the right end of the roller , then
r emove the gear.
5. Pull the shaft to left to view a pin at the right
end, and remove the pin passing through the
shaft. Then pull the r oller shaft to right, and lift
it up.
Samsung Electronics6-24
Repair Information
6-29. Halogen Lamp
1. Befor e you r emove the lamp, you should remove:
-Fuser assembly (see page 6-20)
2. Remove two screws fr om the fuser assembly.
4. Remove the halogen lamp.
3. Remove the heat roller .
Samsung Electronics 6-25
Repair Information
6-30. Thermistor
1. Befor e you r emove the thermistor, you should
remove:
-Fuser assembly (see page 6-20)
2. Remove two screws fr om the fuser assembly.
4. Remove two screws, then r emove the thermistat.
5. Unlatch the fuser cover, then take it out.
6. Remove one screw securing the thermistor, then
r emove the thermistor.
3. Remove the heat roller .
Samsung Electronics6-26
Repair Information
6-31. Exit Guide Assembly
1. Pull the cover r elease button on both sides of the
machine, and open the front cover.
2. Remove the duct cover.
3. Unlatch the guide, then take it out.
Samsung Electronics 6-27
Repair Information
6-32. Exit-Lower Unit
1. Befor e you r emove the exit-lower assembly, yo u
should remove:
-All covers (see pages 6-2, 6-10 to 6-13)
2. Unlatch the wire cap, then remove the cap at the
left side of the frame.
3. Remove four screws.
4. Unlatch the fuser using a pr oper tool.
5. Remove one scre w, then r emove the exit-lower
assembly.
Samsung Electronics6-28
Repair Information
6-33. Speaker Assembly
1. Befor e you r emove the speaker, you should remove:
- All covers except for left side cover
(see pages 6-2, 6-10 to 6-13)
- SMPS/Engine control boar d (see page 6-14)
2. Remove two screws fr om the speaker bracket,
then r emove the speaker.
Speaker
Samsung Electronics 6-29
Repair Information
6-34. Solenoid or Fan Motor
1. Befor e you r emove them, you should remove:
- All covers except for left side cover
(see pages 6- 2, 6-10 to 6-13)
- SMPS/Engine control board (see page 6-14)
To remove the solenoid:
Remove two screws securing the solenoid,
unplug one connector from the joint board, then
r emove the solenoid.
To remove the fan motor:
Remove two screws securing the fan, unplug
one connector from the joint board, then r emove
the fan.
Samsung Electronics6-30
Repair Information
6-35. Frame Unit, P-Empty Assembly, Paper Separator, P-Empty Actuator
1. Befor e you r emove them, you should remove:
- All covers (see pages 6-2, 6-10 to 6-13)
- SMPS and Engine board (see page 6-14)
2. Remove two screws, unplug one connector fro m
the joint boar d, then r emove the sensor board.
3. To remove the paper empty assembly:
Remove two screws, unplug one connector fro m
the joint boar d, then r emove the frame unit.
To remove the P-Empty actuator:
Unlatch the P-Empty actuator, then take it out.
To remove the paper separator:
Unlatch the paper separator, then take it out.
Then, unlatch the paper empty assembly, a nd
take it out.
Samsung Electronics 6-31
Repair Information
6-36. Knockup Spring, Spring Holder, Separate Unit, Knockup Unit
1. Befor e you r emove them, you should remove:
- All covers (see pages 6-2, 6-10 to 6-13)
- Gear bracket (see page 6-18)
- HVPS board (see page 6-19)
- Upper frame (see page 6-22)
- Pickup roller (see page 6-23)
2. Release the springs at both sides of the unit, then
r emove the knockup unit.
4. Remove the separate unit.
5. Remove the holder spring k-up.
3. Remove the knockup spring.
Samsung Electronics6-32
Repair Information
6-37. Paper Separate Units (Left, Right)
1. Befor e you r emove them, you should remove:
- All covers (see pages 6-2, 6-10 to 6-13)
- Gear bracket (see page 6-18)
- HVPS board (see page 6-19)
- Upper frame (see page 6-22)
2. Unlatch the separate units, then take them out.
6-38. Gear Feed
1. Befor e you r emove the gear feed, you should
remove:
- All covers (see pages 6-2, 6-10 to 6-13)
- Gear bracket (see page 6-18)
2. Remove two screws, then r emove the gear feed.
Samsung Electronics 6-33
Repair Information
6-39. PTL Unit
1. Befor e you r emove PTL unit, you should remove:
- All boar ds (see pages 6-14 to 6-17)
- Rear cover (see page 6-11 )
- Top cover (see page 6-12)
2. Remove one scre w.
3. Unlatch the PTL unit, then take it out.
Samsung Electronics6-34
Repair Information
6-40. Fuse Sensor
1. Befor e you r emove the fuse sensor, you should
remove:
- All covers (see pages 6-2, 6-10 to 6-13)
- HVPS board (see page 6-19)
2. Turn the machine over, then r emove the main
board. S ee page 6-29.
3. Unplug the connector from the joint board .
4. Remove one scre w, then r emove the fuse sensor.
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