SERVICE MANUAL
CODE: 00ZSFS18SM//E
MODEL SF-S18
CONTENTS
[ 1 ] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
[ 2 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
[ 3 ] PARTS IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
[ 4 ] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
[ 5 ] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
[ 6 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
[ 7 ] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
[ 8 ] TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
[ 9 ] ACTUAL WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
[10] CIRCUIT DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
PARTS GUIDE
Parts marked with "!" is important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
This document has been published to be used
SHARP CORPORATION
for after sales service only.
The contents are subject to change without notice.
CONTENTS
[ 1 ] SPECIFICAT IO N S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
[ 2 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1. Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
[ 3 ] PARTS IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1. External fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2. Mechanism section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3. Sensors and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4. Motors and PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
[ 4 ] O PERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1. Paper transport mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2. Bin up-down shift mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3. Operation process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
[ 5 ] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1. External fitting removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2. Paper exit roller removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3. Spiral cam and tray removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4. Discharge brush removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5. Interface cable removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6. Control PWB removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7. Motor bracket removal (Transport motor & bin shift motor) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8. Bin shift motor clock sensor and transport motor clock sensor removal . . . . . . . . . . . . . . . . . . . 18
9. Bin home sensor and upper/lower limit sensor removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
10. One rotation sensor removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
11. Take-up position sensor and entry port sensor removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
12. Paper empty sensor upper removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
13. Paper empty sensor lower removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
[ 6 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
1. Single unit test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2. Starting the single unit test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3. Kinds of single unit test modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4. Description on each mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5. Setting of buzzer sound in the take-up mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
[ 7 ] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
[ 8 ] T ROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
[ 9 ] ACTUAL WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
[10] CIRCUIT DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
1. Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
[1] SPECIFICA TIONS
(1) Type: Installation to a copier (hanging type)
(2) Distribution method: Bin shift by lead screws
(3) No. of bins: 10 bins (The top bin is used also for
non-sort.)
(4) Capacity of sheets: 30 sheets for each bin, (100 sheets for
the top bin)
When sorting A4 / 8-1/2 × 11″ 30 sheets
B4 / 8-1/2 × 14″ 20 sheets
A3 / 11 × 17″ 15 sheets
When grouping A4 / 8-1/2 × 11″ 20 sheets
B4 / 8-1/2 × 14″ 15 sheets
A3 / 11 × 17″ 15 sheets
(5) Paper size
Non-sort A3 ∼ A6 (Postcard) R / 11″ × 17″ ∼ 8-1/2″× 5-1/2″
Sort/group A3 ∼ A5 / 11″ × 17″ ∼ 8-1/2″× 11″
(6) Process capacity: 10 ∼ 30 sheets/min
(7) Paper transport: Center reference
(8) Paper collecting: Face up
(9) Paper weight
Non-sort 52 ∼ 128 g/m2 (14 ∼ 34 lbs)
Sort/group 56 ∼ 80 g/m2 (15 ∼ 21 lbs)
(10) Power source: Supplied from the copier body.
(11) External dimensions: 335 (W) × 493 (D) × 298 (H) mm
(12) Weight: About 7 kg
[2] UNP ACKING AND INSTALLATION
1. Unpacking
When unpacking, refer to the figure below.
– 1 –
2. Installat ion
(5) SF-S18
Included parts
Support guide
(1 pc.)
Sorter seat cover securing screws
Sorter seat securing screws
(4 pcs.)
Spacers
(4 pcs.)
(3 pcs.)
Stopper screw
Lockplate screws (M4 x 8)
(2 pcs.)
Sorter securing screws (M4 x 8)
(2 pcs.)
Felt washer
(1 pc.)
(1 pc.)
Unplug the copier and follow the procedure below.
1. Mount the lock plate.
Remove the screws (2) from the upper side of the copier’s left cabinet
panel.
Mount the lock plate to the upper side of the copier’s left cabinet
panel and secure it with the M4 x 8 lockplate screws (2).
Upper left cabinet panel screws
Lock plate
(1 pc.)
Sorter seat
(1 pc.)
Sorter seat cover
(1 pc.)
Lock plate
Lock plate screws
2. Mount the support guide.
Hang the two hooks of the support guide on the exit area of the
copier to mount the support guide.
Hooks
– 2 –
Support guide
3. Remove the cut-outs.
Remove the four cut-outs from the left cabinet panel of the copier.
Cut-outs
4. Insert the spacers.
Insert the four spacers into the holes which have been made by
removing the cut-outs in step 3.
6. Mount the sorter seat cover.
Mount the sorter seat cover to the sorter seat and secure it using
three sorter seat cover securing screws.
Sorter seat cover securing screws
Sorter seat cover
7. Mount the sorter.
Insert the shaft on the back of the sorter seat between the rollers at
the back of the sorter.
Back side
Spacers
Spacers
5. Mount the sorter seat.
Temporarily secure the sorter seat securing screws to the two upper
spacers which have been mounted in step 4.
Insert these two sorter seat securing screws into the two upper holes
of the sorter seat as shown in the figure.
Secure the lower part of the sorter seat by inserting the two sorter
seat securing screws into the lower two holes of the sorter seat and
tighten the temporarily secured upper screws to secure the sorter
seat.
Sorter seat securing screws
Rollers
Sorter
Sorter seat shaft
Next, insert the slide rail on the front of the sorter seat into the slide
rail mount on the front of the sorter and push the sorter in place.
Front side
Slide rail mount
Sorter
Sorter seat securing screws
Sorter seat
Sorter seat slide rail
NOTE:
Be sure to slide the sorter away from the copier and check that the
sorter is not removed from the slide rail of the sorter seat.
– 3 –
8. Mount the stopper.
Mount the felt washer to the stopper screw and secure the screw to
the sorter seat shaft.
Shaft
Felt washer
Stopper screw
9. Remove the sorter’s front cabinet panel.
Remove the front cabinet panel screw.
Next, using a screwdriver, pry open the lower part of the front cabinet
panel to pull the lowest tab from the slot in which it is anchored.
Pull the front cabinet panel slightly up and out to remove it.
Disconnect the connector which is plugged into the front cabinet
panel.
Connector
Tab
Front cabinet panel
Front cabinet panel screw
10. Attach the sorter to the sorter seat.
Install the M4 x 8 sorter securing screws (2 pcs.) in the screw holes
on the sorter to attach the sorter to the sorter seat.
Sorter
Slide rail
Sorter securing screws
(M4 x 8)
11. Mount the sorter’s front cabinet panel.
Plug the connector from the sorter into the circuit board inside the
sorter’s front cabinet panel.
Fit the tabs on the left side of the front cabinet panel behind the ribs
on the sorter, and slide the tabs on the right-hand side of the front
cabinet panel behind the ribs in the sorter.
Check to be sure the tabs are securely positioned behind the ribs and
inserted properly into the slot.
Secure the front cabinet panel using the screw which was removed in
step 9.
Tab
Straight-edge screwdriver
Tab
Front cabinet panel
Circuit board
Tab
Connector
Tab
Front cabinet panel screw
Lock lever
Ribs
– 4 –
12. Connect the sorter connector.
Remove the sorter connector cover securing screw which is mounted
to the rear cabinet panel of the copier and remove the sorter connector cover.
Connect the sorter connector to the connector on the copier and
secure it using the sorter connector securing screw.
Sorter connector cover
Securing screw
Securing screw
Sorter connector
Plug the copier into a grounded outlet and turn the
power switch on.
Then, follow the procedure below.
13. Set the mode.
• Operate the copier keys to set the mode.
C
0/
0/
The above key operation will display the currently set mode.
2
6
1
• When only the SF-S18 is to be set, immediately after the above
key operation, operate the keys as follows:
1
0/
• If the mode is to be set in combination with other options, use the
table shown below to add up the total of the setting values for all
the peripheral devices to be set, and set that total value.
For example, if the SF-S18 and RADF are to be set, the total setting
value is 1 + 10 = 11.
Operate the keys as follows:
1
RADF 1 Stand/paper drawer 4 SF-S18 10
ADF 1
1
– 5 –
[3] PARTS IDENTIFICATION
1. External fittings
Rear cover
Trays
2. Mechanism section
Top cover
Fro nt co ve r
Spiral cam
Take-up SEN lever
Paper exit roller
– 6 –
3. Sensors and switches
SEN7
SEN6
SEN5 (Light emitting)
SEN4
SEN1
SEN2
SEN8
SW1
SEN3
SEN5 (Light receiving)
Code Name Type Operation, function Contact, output
SEN1 Entry port sensor Photo interrupter Turns HIGH when the paper lead edge
reaches the transport roller.
SEN2 Bin home sensor Photo interrupter Used to sense the tray home position. HIGH when the home position is
SEN3 One rotation sensor Photo interrupter Used to sense the tray stop position. HIGH when the stop position is
SEN4 Take-up position sensor Photo interrupter Used to sense the paper take-up
position.
SEN5 Paper empty sensor Transmission sensor Used to sense the paper on the tray. LOW when the paper is sensed.
SEN6 Bin shift motor clock sensor Photo interrupter Used to sense rotation of the bin shift
motor.
SEN7 Transport motor clock
sensor
SEN8 Upper/lower limit sensor Photo interrupter Used to sense the tray limit position. HIGH when the limit position is
SW1 Sorter set switch Micro switch Used to sense the sorter installation LOW when the sorter is installed.
Photo interrupter Used to sense rotation of the transport
motor.
HIGH when paper is sensed.
sensed.
sensed.
LOW when the take-up position is
sensed.
Pulse output
Pulse output
sensed.
– 7 –
4. Motors and PWB
M2
M1
Control PWB
Display PW B
Code Name Type Operation, function Contact, output
M1 Transport motor DC motor Used to shift the transport roller.
M2 Bin shift motor DC motor Used to drive the spiral cam for moving the tray up and down.
– 8 –
[4] OPERATIONAL DESCRIPTIONS
1. Paper transport mechanism
The transport motor power is transmitted to the paper exit roller and
the paper feed roller.
Paper feed
direction
Paper exit roller
Paper feed roller
Transport motor
2. Bin up-down shift mechanism
The bin shift motor power is transmitted to the spiral cam 1 (R side)
by the timing belt and the gear, and to the spiral cam 2 (F side) at
the same time by the drive shaft.
The bin is shifted up or down by forword or reverse rotation of the
motor. The bin is stopped at the stop position by the one rotation
sensor attached to the spiral cam 2.
Down
Up
Spiral cam
2
Bin shaft
motor
Up
Down
Down
Up
Spiral cam
One rotation sensor
1
Paper exit
direction
Drive shaft
– 9 –
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