Samsung SF5800 Troubleshooting

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.

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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.

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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.