SHARP SF2025 Service Manual

SERVICE MANUAL

CODE: 00ZSF2025FM/E

No.1

MODEL SF-2025
MODEL SF-D20/21
MODEL SF-DM11

CONTENTS

[ 1 ] PRODUCT OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

[ 2 ] PRODUCT SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

[ 3 ] OPTIONS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

[ 4 ] COMPONENT IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

[ 5 ] INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

[ 6 ] DISASSEMBLY AND REASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

[ 7 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

[ 8 ] SIMULATION AND DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

[ 9 ] MAINTENANCE AND OTHERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

SHARP CORPORATION

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

CONTENTS

[ 1 ] PRODUCT OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1. General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

2. Target users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

3. Major featurs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

(1) Compact body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

(2) Serviceability and f anctionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

(3) High copy performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

(4) Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

4. System outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

[ 2 ] PRODUCT SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 -1

1. Basic specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(1) Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(2) Copy method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(3) Kinds of originals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(4) Copy speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(5) First copy time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(6) Warmup time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(7) Multicopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

(8) Magnification rat io . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

(9) Exposure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

(10) Paper feed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

(11) Developing method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(12) Charge method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(13) Transfer method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(14) Separation method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(15) Fusing method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(16) Cleaning method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(17) Light source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(18) Blanking areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(19) Automatic duplex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(20) Paper receiving tray and finishing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

(21) Additional features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

(22) Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

(23) Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

(24) Appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

(25) Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

2. Consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

3. Environmental requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

I

[ 3 ] OPTIONS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

1. SF-A56/17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

2. SF-S15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3. SF-S53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

4. SF-S18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

5. SF-S52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

6. SF-D20/D21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

7. Others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

[ 4 ] COMPONENT IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

1. External view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

2. Operation panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

3. Internal view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

4. Clutches, solenoids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

5. Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

6. Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

7. Board list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

8. Duplex copy tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

9. Desk unit (SF-D20/D21) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10

[ 5 ] INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

A. Installing conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

B. Installation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

(1) SF-2030 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

1. Releasing optical locks

A Removing the #2/3 mirror unit lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

B Releasing the lens and #4/5 mirror unit lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

2. Fuser unit set up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

A Removing the fuser unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

B Tensioning the heat roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

C Installing the cleaning roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

3. Cleaning corona units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

A Clean the main corona unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

B Clean the transfer/separation corona wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

4. Installing accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

A Install the copy receive tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

5. Setting up the upper paper casset te . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

A Remove the packing screw of the cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

B Removing the cassette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

C Change the size using the side plates F and R. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

D Insert the rear plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

E Set the size detect spacer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

F Change the paper size indication plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

G Set the cassette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

H Load paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

6. Set up the lower paper cassette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

A Remove the packing screw of the cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

B Change the size using the side plates F and R.

(It had been set to the A3 position when the machine left the factory.) . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

II

C Change the size of the rear plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

D Set the size detect spacer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

E Change the paper size indication plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

7. Lens lock release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

A Removing the lens and releasing the lens lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

8. Setting the developing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

A Supplying developer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

9. Toner density sensor level adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

A Developing unit level adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

10. Toner supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

A Toner supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

11. Label attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9

A Label attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9

(2) SF-A17/A56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10

1 Remove the document cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10

2 Mount the ADF onto t he cop ie r. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10

3 Adjust the angle of ADF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11

4 Connect the ADF connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11

5 Connect the ADF tr ay connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11

6 Attach the tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11

7 Set the mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12

8 Adjust the center of the copy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12

9 Adjust the position of the leadi ng edge of original . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12

(3) SF-S53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13

A Mounting of the staple sorter onto the copier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15

B Staple sorter operation check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17

(4) SF-S52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19

(5) SF-S18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24

1 Mount the lock plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24

2 Mount the support guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24

3 Remove the cut-outs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25

4 Insert the spacers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25

5 Mount the sorter seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25

6 Mount the sorter seat cove r. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25

7 Mount the sorter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25

8 Mount the stoppe r. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26

9 Remove the sorter’s f ro nt cabi net panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26

10 Attach the sorter to the sorter seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26

11 Mount the sort er’s front cabinet panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26

12 Connect the sorter connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27

13 Set the mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27

(6) SF-S15 (20-Bin Sorter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27

1 Install the support gui de. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27

2 Mount the sorter seat to the desk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28

3 Remove the front panel of the sorter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28

4 Place the sorter on th e sor t er seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28

5 Remove the rear cabinet panel from the copier and cu t ou t the notch in the cabinet panel. . . . . . . . . . . . . 5-28

6 Connect the sorter connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29

7 Reattach the rear cabinet panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29

8 Reattach the front panel of the sorter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29

III

9 Adjust the clearance between the sorter and the copier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29

10 Set the mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29

(7) SF-D20/SF-D21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-30

1 Place the copier on the desk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-30

2 Secure the copier to the desk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-30

3 Remove the rear cabinet panel from the copi er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

4 Connect the desk relay harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

5 Remount the rear cabinet panel onto the copier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

6 Move the copier to the desired installation location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

7 Lock the casters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

8 Lower the adjuster to secure the desk in place. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

9 Pull out the paper casse tte. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

10 Adjust the positions of th e front and rear side plates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32

11 Adjust the position of the rea r ed ge pl at e. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32

12 Set the paper size detection spacer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32

13 Change the paper size indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32

14 Re-insert the pa per cass et te. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33

15 Place the paper in the cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33

16 Set the mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33

17 Pull out the large- capacity paper cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33

18 Adjust the posit io ns of the front and rear p aper gui des. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33

19 Adjust the position of the rea r ed ge paper guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34

20 Set the paper size detection spacer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34

21 Change the paper size indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34

22 Re-insert the lar ge- capacity paper cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34

23 Place the paper in the cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34

24 Set the mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35

(8) SF-IC11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35

1 To remove the stopper for the cassette unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35

2 To change the size setting of side plate F and side plate R. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-36

3 To change the size posi tion of the rear end plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-36

4 To set the size detection spacer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-36

5 To place the cassette size labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-37

6 To change the pap er size in di cati on pl ate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-37

7 To install the cassette mai n uni t on t he paper tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-37

(9) SF-DM11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-37

1 To remove the rear cab in et of the copier main unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-37

2 To install the ADU drive unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

3 To install the rear cab in et of the copier main unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

4 To remove the tone r collecting container. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

5 To remove the cover plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

6 To install the ADU unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

7 To install the right stopper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

8 To install the tone r collecting container. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

9 To check and adjust the matching guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

10 To adjust the cente r dislocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38

(10) SF-CM11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40

1 Remove the rear cabinet panel from the copi er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40

2 Install the lift-up unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40

3 Remount the rear cabinet panel onto the desk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40

IV

4 Remove the toner collecting plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41

5 Remove the cover plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41

6 Install the paper fee d uni t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41

7 Remove the packing scre w from t he paper cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41

8 Change the posit io ns of th e front and rear side plates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41

9 Position the rear ed ge pl at e. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41

10 Set the paper size detection spacer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42

11 Change the paper size indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42

12 Fit the paper casse tte guides into the guide rails. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42

13 Mount the right stopper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42

14 Install the paper cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42

15 Place the paper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42

16 Remount the rig ht cabi net panel onto the desk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42

17 Adjust any center misalignme nt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-43

[ 6 ] DISASSEMBLY AND REASSEMB17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

1. Process unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

2. Manual feed multicopy unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

3. Paper feed unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

4. Transport baseplate unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

5. Fuser unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9

6. Duplex copy unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

7. Rear frame side major components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13

8. Operation panel unit and document size sensor board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16

9. Optical unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18

[ 7 ] ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

1. Developing Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

(1) Clearance Adjustment of Developi ng Doctor Blade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

(2) Position Adjustment of D evel oping Magnet Roller Main Pole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

(3) Developing Bias Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

(4) Notes on installing various rollers of the developing uni t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

(5) Notes on applying the developing side seals ( front and rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

2. Processing Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

(1) Adjustment of Blank Lamp Posi tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

(2) Adjustment of High-Vol ta ge Output Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

A. Applying the Special Measuring Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

B. Adjusting the Transfer Charger Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4

C. Checking the Electrostatic Main Charger Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5

D. Adjusting the Electrostatic Main Charger Grid Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5

E. Adjusting the Separation Charger Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6

(3) Notes on maintenance for hi gh-voltage units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6

A. Electrostatic Charger Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6

B. Transfer/Separation Charger Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6

3. Optical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7

(1) Adjusting the Reference Position of Lens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8

(2) Adjusting the Reference Position of 4. and 5. Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8

(3) Adjusting the Longi tu dinal Magnification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8

(4) Adjusting the Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9

V

(5) Adjusting the Lateral M agnification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10

(6) Inputting the Lens Travel Correction Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10

(7) Correcting the Longitudinal Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12

(8) Correcting the Later al Dis to rti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13

(9) Adjusting the Center Deviation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14

(10) Adjusting the Exposure Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14

(11) Adjusting the Copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15

4. Adjustment of Copy Density . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

1. When m ust the copy density be adjusted ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

2. Not es on ad ju st m ent of copy density . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

3. Pro cedure for copy density adjust m ent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

(1) Initial settin g of aut o- exposure density level (User adju st m ent ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

(2) Initial settin g of TSM mo de (User adjustment) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

(3) Adjustment of AE sensor leve l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18

(4) Setting of drum sensit ivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18

(5) Setting of test chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18

(6) Adjustment of copy density . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18

5. Adjustments relating to Process Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21

[ 8 ] Simulation and diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

1. Simulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

(1) Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

(2) Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

(3) Simulation execution procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

[ 9 ] Maintenance and Others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

1. Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

2. Counters and Simulations Related to Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

(1) List of counters and simulations related to maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

(2) Maintenance Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3

(3) Setting the copy counter mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5

3. Replacing the Ozone Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5

(1) Replacing the suction ozone filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5

4. Oil/Grease Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

(1) Gear of main driving unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

(2) Gear of variable-speed paper-feed unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

(3) Gear of paper-feed driving unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

(4) Fusing unit driving gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

(5) Paper exit roller driving gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6

(6) Paper-feed torque limiter 500-sheet cassette brake spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7

(7) Optical rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7

5. Maintenance Schedule of Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7

VI

[1] PRODUCT OUTLINE

3. Major featur es

1. General description

The SF-2025 is medium class copier that produces 25 copies per
minute. The SF-2025 has all the standard features of medium class
copiers to provide high productivity in offices with improved versatility
for users.

2. Target users

Average copy volume: 4,000 ~ 8,000 copies/month

4. System outli ne

10-bin sorter (SF-S18)

(1) Compact body

Use of a front loading paper cassette.

(2) Serviceability and functionality

1 Use of a liquid crystal display.
2 Department control counter (standard provision, max. 50 depart-

ments).

3 Use of key operator codes.

(3) High copy performance

1 First copy time: 4.1sec
2 Job speed

S → S: 100%, D → D: 70%

(4) Options

Refer to the system outline below.

Automatic document feeder

(SF-A17)

20-bin sort er (SF-S15)

10-bin staple sorter (SF-S52)

Duplex module (SF-DM11)

Reversing automatic document feeder

(SF-A56)

Document cover (SF-CV13)

Cassette (SF-IC 11)

20-bin staple sorter (SF-S53)

Stand/500-sheet paper drawer (SF-D20)

(not sold in some area s)

Cassette (for replacement)

(SF-CM11)

Stand/1000-sheet paper drawer

(SF-D21)

1 – 1

[2] PRODUCT SPECIFICATIONS

1. Basic specifica tio n

(1) Type

(2) Copy method

(3) Kinds of originals

(4) Copy speed

Desktop

Dry electrostatic copier

Sheet, book, three dimension al object
Thickness of original: Maximum 30mm in level with the original cover in use.
Weight of original: Maximum 1.8 kg (4 pounds)
Maximum original size: A3 (11" x 17"), Ledger
Original alignment: Center and left
Original sensor: Not used. (Provided in RADF/ADF.)

Sensing size

Option: RADF
Original loading capacity: 50 sheets
Original size: A3 to A5, Ledger ∼ Invoice
Original replace speed: 30 sheets per minute
Weight of original: 35 to 128 g/m2 (14 to 34 lbs)
Mixed paper feed mode: Possible (same width)

A3

B4

A4 (portrait)

A4 (landscape)

B5 (portrait)

B5 (landscape)

Ledger

Legal

Letter (portrait)

Letter (landscape)

NOTE: Copy speeds indicated in Enlargement and Reduction modes are the slowest speeds in the respec-

AB series; A3, B4, A4, A4R, A5
Inch series: Ledger, Legal, Letter, Letter R, Invoice

Actual (1:1) Enlarge (ratio) Reduce (ratio)

13 sheets per minute

16 sheets per minute

25 sheets per minute

19 sheets per minute

25 sheets per minute

19 sheets per minute

13 sheets per minute

16 sheets per minute

25 sheets per minute

19 sheets per minute

tive mode.

10 sheets per minute

(200%)

10 sheets per minute

(200%)

13 sheets per minute

(200%)

11 sheets per minute

(200%)

13 sheets per minute

(200%)

11 sheets per minute

(200%)

10 sheets per minute

(200%)

10 sheets per minute

(200%)

13 sheets per minute

(200%)

11 sheets per minute

(200%)

11 sheets per minute

(50%)

13 sheets per minute

(50%)

13 sheets per minute

(50%)

16 sheets per minute

(50%)

21 sheets per minute

(50%)

16 sheets per minute

(50%)

11 sheets per minute

(50%)

13 sheets per minute

(50%)

21 sheets per minute

(50%)

16 sheets per minute

(50%)

(5) First copy time

(6) Warmup time

(7) Multicopy

About 4.1 seconds from upper cassette

About 60 seconds
(With pre-heat feature)
Misfeed recovery time: 8 seconds, provided the machine is in the standard condition in 60 seconds

after opening the door.

Maximum multicopy number: 99 sheets

2 – 1

(8) Magnification ratio

Fixed ratio
Zooming range: 50 to 200% (1% increments)

AB series: 4R+4E; 200, 141, 122, 115, 100, 86, 81, 70, 50%
Inch series: 4R+4E; 200, 141, 129, 121, 100, 95, 77, 64, 50%

(9) Exposure system Slit exposure and moving optical system (fixed original table)
(10) Paper feed

Copy size (maximum ~ minimum)
Method One tray + multi-manual feed

Capacity 500 + 50 sheets
* 2-tray specification is available for some destinations.

AB series: A3 to A6R
Inch series: Ledger ∼ Invoice

AB series

Paper entry Paper size Paper weight Size selection Side, front

Upper cassette
(Option)

Lower cassette A5/B5/B5R

B5/B5R
A4/A4R/B4/A3

A4/A4R/B4/A3

A5: * With the option inner cassette used

56 ~ 80g/m2
15 ~ 21 lbs.

56 ~ 80g/m2
15 ~ 21 lbs.

Selection by way of
guide replacement
by the service
engineer

Selection by way of
guide replacement
by the service
engineer

Front, drawer in the
same body
(ADU compatibility
available)

By way of front,
inner cassette

Inch series

Paper entry Paper feed size Paper weight Size selection Side, front

Upper cassette
(Option)

Lower cassette Letter/Letter R/

Letter/Letter R/
Legal/Ledger

Legal/Ledger/
Invoice

* With the option inner cassette used

56 ~ 80g/m
15 ~ 21 lbs.

56 ~ 80g/m
15 ~ 21 lbs.

2

2

Selection by way of
guide replacement
by the service
engineer

Selection by way of
guide replacement
by the service
engineer

Front, drawer in the
same body
(ADU compatibility
available)

By way of front,
inner cassette

Initial setting

Japan

Copier upper stage * B5R — — * When shipping, the

Copier lower stage A3 Ledger A3

Option cassette module A4R Legal A4 SF-CM11
Multi-stage desk (1st stage)

Multi-stage desk (2nd stage)
Multi-stage desk (3rd stage)

LCD desk (1st stage)
LCD desk (2nd stage)

Inner cassette A3 Ledger A3 SF-IC11

B4
A3

—
—

Outside

Japan (Inch)

Letter R

—
—

—

Letter

Outside

Japan (AB)

domestic (Japan/Agent)
paper feed module is
attached.

A4R

—
—

—

A4 SF-D21 (Outside Japan only)

SF-D19 (Japan only)
SF-D20 (Outside Japan only)

Remark

Manual feed

Paper size: AB series:

Inch series:

Paper weight: Multifeed mode:

Single feed mode:

Kind of paper: Standard, Sharp designated paper, OHP
Detection size Inch series:

AB series:

A3 to A6R
Ledger ∼ Invoice
(Min. width: 100mm, Min. length: 139.7mm)

56 to 80 g/m2 (15 to 21 Ibs)
52 to 128 g/m2 (14 to 34 Ibs)
(A4 size or under, if above 105 g/m2 or 28 Ibs)

Available: Ledger, Legal, Letter, Letter (R), invoice
Available: A3, B4, A4, A4R, A5

2 – 2

(11) Developing method Dry, two components magnetic brush method
(12) Charge method (–) DC saw-tooth electrode method
(13) Transfer method

(–) DC Corotron method

(14) Separation method AC Corotron method
(15) Fusing method Heat roller method
(16) Cleaning method Blade method
(17) Light source
(18) Blanking areas

(19) Automatic duplex

(20) Paper receive tray

and finishing

Halogen lamp
Void area: Max. 4 mm from the lead edge

Image loss: Max. 4 mm at maximum during the actual (1:1) copy mode

Option
(SF-DM11)

Location Copier upper module slot
Size AB series: A3, B4, A4, A4R, A5 (B5 and B5R only JAPAN)

Inch series: Ledger, Legal, Letter, Letter R
Capacity 50 sheets (below A4 or letter sizes) or 30 sheets (above B4 or 81⁄2" x 14" size)
Paper weight 56 to 80 g/m2 (15 to 21 Ibs)

Paper receive tray capacity 250 sheets
Finishing (Standard/Option) Option
Finisher function Sorted bin capacity Non-sorted bin capacity

10-bin sorter 30 sheets (A4) 100 sheets Shifting bins (SF-S18)
20-bin sorter 50 sheets (All sizes) 100 sheets Fixed bins (SF-S15)
20-bin staple sorter 50 sheets (A4) 250 sheets Shifting bins (SF-S53)
20-bin staple sorter 35 sheets (25 sheets if stapler used) 100 sheets Shifting bins (SF-S52)

2 – 3

(21) Additional features

Availability

of feature

APS

AMS

Margin shift

DPCM

Edge erase

Cover insertion ✕
Job memory ✕
Auditor ✕
Message display ✕
User program F
Communication

Process control F
Auto start F From the energy save mode.
Auto tray switching F
Priori ty se lec tio n of

tray
Vendor F

F

F

F

F

F

F

✕

Overseas: Available when
RADF/ADF is used

Inhibited when mixed paper feed/
Available when RADF/ADF is
used APS: Auto paper selection

9mm shift (S → S), with
adjustment function

Enlarge not permitted.
Combination with the duplex
function allowed.

7 to 12mm wide depending on
the size. Equivalent to SF­2022/2027.

Bi-directional. Option I/F PWB
(available from service parts.)

AMS: Auto magnification ratio

selection

DPCM: Dual page copy mode

Binding margin shift

Width AB series Inch series

Single sides to single sided 9mm 1/4"
Double sided to single sided 9mm 1/4"
Single sided to double sided (front) 9mm 1/4"

Single sided to double sided (reverse) 9mm 1/4"

Double sided to double sided (front) 9mm 1/4"

Double sided to double sided (reverse) 9mm 1/4"

Frame edge erase

AB series Inch series

Size Deleted width (mm) Size Deleted width (mm)
A3 11.5±3 Ledger 11.5±3
B4 9.5±3 Legal 7 ±3
A4 11.5±3 Letter 11.5±3
A4R 10 ±3 Letter R 7 ±3
B5 9.5±3 Invoice 7 ±3
B5R 8 ±3

(22) Power supply Voltage:

Frequency:

100V, 110V, 120V, 127V, 220 ∼ 230V, 240V
50/60Hz, universal

(23) Power consumption Maximum power consumption: 1.5KW, maximum, with options used

(24) Appearance WxDxH (mm) 633 x 650 x 567 (at the top of the table glass)

633x 650 x 607 (at the top of the original cover)
Occupied area (W x D in mm) 1170 x 650 (with the paper receive tray and manual feed bypass open
Weight: Main body About 62Kg

Original cover: 1.5Kg

2 – 4

(25) Accessories

Destination Japan SEC SECL SEEG SUK SCA AB agent Inch agent

Drum Installed when

shipping

Developer (Black) | ✕✕✕✕✕✕✕
Toner for installation ✩2 | ✕✕✕✕✕✕✕
Original cover Standard Option Option Option Option Option Standard
Paper exit tray 1 (*1) |
Original table ✕ | ✕
Toner collection container | (4 pcs.) One is installed when shipped.
Operation Manual Japanese Special English English/French CG: German

Dust cover | ✕ |
Magnification ratio quick

reference table
Key sheet Japanese English ✩1

✩1 = 10-key section symbolized/attached when shipped. SECL = Packed together with English/French. SEEG = Treated as a kit
✩2 = Mini bottles (2 pcs.).

Other printed materials
Installation procedure manual (Japan), Delivery/installation report (SEEG), SCA warranty paper, Warranty registration (SUK), Maintenance card, Kit contract × 2 sheets (Japan)

Installed when

shipping

Installed when

shipping

English/French

Separately

packed

BG: None

GC: German
BG: ✩1

Separately

packed

Special English English English/French/

|

English English English English

Installed when

shipping

Partly packed Partly packed

Arabic

Typical example

English/Spanish
Typical example

* 1: Stretch type for Japan, fixed type for outside Japan.

2. Consumables

SEC

No. Name Content Life Product name Package Remark

1 Drum OPC drum × 1 80K SF-230DR 10
2 Developer (Black) Developer (850g) × 10 80K (× 10) SF-230MD1 1 (SF-230ND1) × 10 = SF-230MD1
3 Toner (Black) Toner cartridge (600g) × 10 15K (× 10) SF-230MT1 1 (SF-230NT1) × 10 = SF-230MT1
4 Upper heat roller kit Upper heat roller × 1 160K SF-230UH 5 For replacement of the fusing separation pawl (80K

Fusing separation pawl (Upper) × 4
Fusing gear × 1

5 Lower heat roller kit Lower heat roller × 1 160K SF-240LH 5 For replacement of the fusing separation pawl (80K

Fusing separation pawl (Lower) × 2

6 80K maintenance kit Cleaner blade × 1 80K SF-235KA1 5

Charging blade unit × 1

Drum separation pawl unit × 1
7 Cleaner blade Cleaner blade × 10 80K (× 10) SF-222CB 1
8 Upper cleaning roller Upper cleaning roller × 10 80K (× 10) SF-240UR 1 (SF-240RU) × 10 = SF-240UR
9 Lower cleaning roller Lower cleaning roller × 10 80K (× 10) SF-235CR2 1

10 Staple cartridge Staple cartridge (3 pcs. pack) × 10 SF-LS51 1 Common to the one for the staple sorter

11 Staple cartridge Staple cartridge × 5 5,000 times

× 5

SD-LS20 10 Common to the one for the staple sorter

* For Toner collection container (4 pcs./80K)/Screen grid (80K)/Charger wire (80K)/Ozone filter (80K)/Toner reception seal (160K)/DV seal (160K),

use service parts. The charging plate unit (80K) and drum separation pawl unit (80K) are also available as service parts.

life) at every 80K, use the service part.

life) at every 80K, use the service part.

(SF-S51).
(SF-S51) x 10 = SF-LS51

(SF-S53).
(SD-SC20) x 5 = SD-LS20

2 – 5

SECL

No. Name Content Life Product name Package Remark

1 Drum OPC drum × 1 80K SF-2300R 10
2 Developer (Black) Developer (850g) × 10 80K (× 10) SF-230MD1 1 (SF-230ND1) × 10 = SF-230MD1
3 Toner (Black) Toner cartridge (600g) × 10 15K (× 10) SF-230MT1 1 (SF-230NT1) × 10 = SF-230MT1
4 80K maintenance kit Upper cleaning roller × 1 80K SF-240KA 1

Lower cleaning roller × 1

Cleaner blade × 1

Toner collection container × 4

Fusing separation pawl (Upper) × 4

Fusing separation pawl (Lower) × 2

Screen grid × 1

Charging plate unit × 1

Drum separation pawl unit × 1
5 160K maintenance kit Upper heat roller × 1 160K SF-230KB 1

Lower heat roller × 1

Toner reception seal × 1

DV seal × 1

Fusing gear × 1
6 Staple cartridge Staple cartridge (3 pcs. pack) × 1 SF-SC51 10 Common to the one for the staple sorter

7 Staple cartridge Staple cartridge × 5 5,000 times

× 5

SD-LS20 10 Common to the one for the staple sorter

(SF-S51)

(SF-S53)
(SD-SC20) x 5 = SD-LS20

SEEG, SUK

No. Name Content Life Product name Package Remark

1 Drum OPC drum × 1 80K SF-230DM 10
2 Developer (Black) Developer (850g) × 10 80K (× 10) SF-230LD1 1 (SF-230DV1) × 10 = SF-230LD1
3 Toner (Black) Toner cartridge (600g) × 10 15K (× 10) SF-230LT1 1 (SF-230T1) × 10 = SF-230LT1
4 80K maintenance kit Upper cleaning roller × 1 80K SF-240KA 1 Distinguished from A3SF240KF to cope with EAN

Lower cleaning roller × 1

Cleaner blade × 1

Toner collection container × 4

Fusing separation pawl (Upper) × 4

Fusing separation pawl (Lower) × 2

Screen grid × 1

Charging plate unit × 1

Drum separation pawl unit × 1
5 160K maintenance kit Upper heat roller × 1 160K SF-230KB 1 Distinguished from A3SF230KB to cope with EAN

Lower heat roller × 1

Toner reception seal × 1

DV seal × 1

Fusing gear × 1
6 Staple cartridge Staple cartridge (3 pcs. pack) × 1 SF-SC51 10 Common to the one for the staple sorter (SF-S51).
7 Staple cartridge Staple cartridge × 5 5,000 times

× 5

SF-LS20 10 Common to the one for the staple sorter (SF-S53).

code.

code.

(SD-SC20) x 5 = SD-LS20

2 – 6

SCA, SCNZ, Middle East, Africa

No. Name Content Life Product name Package Remark

1 Drum OPC drum × 1 80K SF-230DM 10
2 Developer (Black) Developer (850g)× 1 80K (× 10) SF-230LD1 1 (SF-230DV1) × 10 = SF-230LD1
3 Toner (Black) Toner cartridge (600g)× 1 15K (× 10) SF-230LT1 1 (SF-230T1) × 10 = SF-230LT1
4 80K maintenance kit Upper cleaning roller × 1 80K SF-240KA 1

Lower cleaning roller × 1

Cleaner blade × 1

Toner collection container × 4

Fusing separation pawl (Upper) × 4

Fusing separation pawl (Lower) × 2

Screen grid × 1

Charging plate unit × 1

Drum separation pawl unit × 1
5 160K maintenance kit Upper heat roller × 1 160K SF-230KB 1

Lower heat roller × 1

Toner reception seal × 1

DV seal × 1

Fusing gear × 1
6 Staple cartridge Staple cartridge (3 pcs. pack) × 1 SF-SC51 10 Common to the one for the staple sorter (SF-S51)
7

Staple cartridge

Staple cartridge × 5 5,000 times

× 5

SD-LS20 10 Common to the one for the staple sorter (SF-S53)

(SD-SC20) x 5 = SD-LS20

Asia, Middle/South America

No. Name Content Life Product name Package Remark

1 Drum OPC drum × 1 80K SF-230DR 10
2 Developer (Black) Developer (850g)× 10 80K (× 10) SF-230CD1 1 (SF-230SD1) × 10 = SF-230CD1
3 Toner (Black) Toner cartridge (600g)× 10 15K (× 10) SF-230CT1 1 (SF-230ST1) × 10 = SF-230CT1
4 80K maintenance kit Upper cleaning roller × 1 80K SF-240KA 1

Lower cleaning roller × 1

Cleaner blade × 1

Toner collection container × 4

Fusing separation pawl (Upper) × 4

Fusing separation pawl (Lower) × 2

Screen grid × 1

Charging plate unit × 1

Drum separation pawl unit × 1
5 160K maintenance kit Upper heat roller × 1 160K SF-230KB 1

Lower heat roller × 1

Toner reception seal × 1

DV seal × 1

Fusing gear × 1
6 Staple cartridge Staple cartridge (3 pcs. pack) × 1 SD-SC51 10 Common to the one for the staple sorter (SF-S51)
7 Staple cartridge Staple cartridge × 5 5,000 times

× 5

SD-LS20 10 Common to the one for the staple sorter (SF-S53)

(SD-SC20) x 5 = SD-LS20

2 – 7

3. Environmen tal requ ir em en ts

Conditions required for proper operation of the machine, as well as
assurance of copy quality, the following are requested.

1 Standard conditions

Recommended temperature range at 20 to 25 Centigrade (68 to
77 degrees F) and humidity range at 65 ± 5%RH.

2 Operating conditions

Humidity

80%
60%

20%

15˚C

Temperature

3 Shipping conditions

Humidity

90%

60%

20%

-20˚C

Temperature

4 Consumables storage conditions

Humidity

90%

30˚C 35˚C

30˚C

45˚C

20%

-5˚C

Temperature

40˚C

2 – 8

[3] OPTIONS SPECIFI C ATIONS

1. SF-A17/A56

2. SF-S15

Acceptable
originals

Power supply Drawn from the copier
Weight SF-A17: Approx. 22.1 lbs. (10 kg)

Dimensions SF-A17: 22-31/64″ (W) × 20-33/64″ (D) × 4-11/32″ (H)

Name 20-bin sorter
No. of bins 20 bins
Paper collection Copy face up
Capacity per bin Max. 50 sheets (100 sheets: Top bin)

Allowable paper size/weight
for collating

Power source Supplied from the copier.
Dimensions 500mm (W) × 520mm (D) × 957mm (H)
Weight About 13kg

Weight: Single-sided originals: 14 to 34 lbs.

Two-sided originals (SF-A56 only): 14 to 34 lbs. for
5-1/2″ × 8-1/2″ and 8-1/2″ × 11″ originals.

14 to 29 lbs. for 8-1/2″ × 14″ and 11″ × 17″ originals.
Size: A3 ∼ A5 (Portrait), 11″ × 17″ ∼ 8-1 /2″ × 5-1/2″
Capacity: Up to 50 sheets for 5-1/2″ × 8-1/2″, 8-1/2″ × 11″ , and

8-1/2″ × 14″ originals provided the total aggregate

thickness does not exceed 1/4″ or 6.5 mm (14 to 20

lbs.) or 3/16″ or 5 mm (21 to 34 lbs.)

Up to 30 sheets for 11″ × 17″ originals.

SF-A56: Approx. 24.3 lbs. (11 kg)

(571 mm (W) × 521 mm (D) × 110 mm (H))
SF-A56: 23-5/16″ (W) × 20-33/64″ (D) × 4-11/32″ (H)

(592 mm (W) × 521 mm (D) × 110 mm (H))

Max. A3, Min.: B5 (Min. A6 for non-sort)

Non-sort: 52 ∼ 128g/m2,

Sort/Grouping: 56 ∼ 80g/m

2

3. SF-S53

4. SF-S18

Name Staple sorter
No. of bins 20 bins
Paper collection Copy face up
Capacity per bin Max. 50 sheets (250 sheets: Top bin)

Allowable paper size/weight
for collating

No. of sheets for stapling 50 sheets (80g/m2)
Power source Supplied from the copier.
Dimensions 475mm (W) × 597mm (D) × 995mm (H)
Weight About 42.1kg

Name 10-bin sorter
No. of bins 10 bins
Reception method Copy face up
Capacity per bin Max. 30 sheets (Top bin: 100 sheets)

Collatable paper size/weight

Power source Supplied from the copier.
Dimensions 335mm(W) × 493mm(D) × 298mm(H)
Weight About 7kg

Max.: A3, Min.: B5 (Non-sort: Min. A5),

Non-sort: 52 ∼ 128g/m2,

Sort/staple sort/grouping: 56 ∼ 89g/m

Max. A3, Min. A5 (Non-sort, Min. A6)

Non-sort: 52 ∼ 128g/m2,

Sort/group: 56 ∼ 80g/m

2

2

3 – 1

5. SF-S52

6. SF-D20/D21

No. of bins 20

NON-SORT: 100 sheets for top bin
SORT: 35 sheets (81⁄2-″ × 11″) (A4)

25 sheets (81⁄2″ × 14″) (B4)

Bin capacity

Paper size

Stapling
capacity

Power supply Drawn from the copier.

Name Paper feed desk
Paper size and capacity
Paper weight 50 ∼ 80g/m

Paper transport system Roller transport (center reference)
Power source Supplied from the copier.
Dimensions 600mm (W) × 625mm (D) × 451mm (H)
Weight About 32kg

GROUP: 25 sheets (81⁄2″ × 11″) (A4)

STAPLE
SORT:

Top bin: Max. 11″ × 17″, A3

Sort bins: Max. 11″ × 17″, A3

25 sheets (20 lbs.) (80 g/m2)

15 sheets (11″ × 17″) (A3)

15 sheets (81⁄2″ × 14″) (B4)

10 sheets (11″ × 17″) (A3)

25 sheets (81⁄2″ × 11″) (A4)

15 sheets (81⁄2″ × 14″, 11″ × 17″) (B4, A3)

Min. 81⁄2″ × 51⁄2″, A5

Min. 81⁄2″ × 51⁄2″, A5

SF-D20: 50 0 sheets (A3 ∼ B5)

SF-D21: 1000 sheets (A3 ∼ B5)

2

7. SF-DM11

8. SF-CM11

9. SF-IC11

Name Duplex module
Paper size A3 ∼ B5
Paper weight 56 ∼ 80g/m
Capacity A3/B4: 30 sheets, A4/B5: 50 sheets
Power source Supplied from the copier.
Weight About 6kg

Cassette module

2

• Equivalent to the upper cassette of the copier body. The optional 2-cassette

paper feed desk can be attached.

Inner cassette

• Paper cassette for replacement of the lower cassette.

3 – 2

10. SF-71A (counter), SF-71B (socket)

9

9

9

9

9

11. Other counters

Card-type department counter (SF-EA11)
Password-system department counter (SF-EA12)
Counter commander (SF-EA13)

12. Desk SF-DS15

• Personal counter

3 – 3

[4] COMPONENT IDENTIFI CATION

1. External view

1 2 3 4 5 6 7

8

Document holder

1

Operation panel

4

Manual feed tray paper guides

7

Power switch

F

Front cover

I

Side cover

L

9

2
5
8

G

J

10 11 12 13 14 15

Exit tray
Document glass
Manual feed tray
Duplex module or 500-sheet paper

drawer (optional)
Toner collecting container cover

3
6
9

H

K

16

Document cover (optional)
Paper clip tray
Exit area cover

Lower paper tray
Handles

4 – 1

17 18 20 19 21 23

Fusing unit

M

Photoconductive drum

P

Toner hopper lock lever

S

Transport lever

N

Toner hopper

Q

Toner collection container

T

22 24

Corona unit

O

Roller rotating knobs

R

4 – 2

2. Operation panel

CA

EDGE ERASE key and indicator

1

AUTO IMAGE key

4

CHECK STAPLER indicator

7

Developer replacement required

F

indicator
Misfeed indicator

I

CLEAR ALL ( ) key

L

ORIGINAL TO COPY key and

O

indicators
Reduction ( ) key

R

ORIGINAL SIZE indicators

U

PAPER SIZE indicators

X

10-key pad

[

START key and indicator

^

2 3

1

EDGE

MARGIN

ERASE

SORTER

SORT

STAPLE
SORT

GROUP

DUAL PAGE

SHIFT

COPY

ORIGIN A L TO COPY

1

1

(ORIGINALS)

EVEN NUMBER

ODD NUMBER

2
2

PRE-COUNT
ORIGINALS

2

2

11

18 19 20 21 23 25 27

EXPOSURE

AUTO
MANUAL
PHOTO

12345

LIGHT DARK

4

5 7

%

AUTO IMAGE

ZOOM

100%

6

CHECK STAPLER

ORIGINAL
SIZE

11 x 17

8½ x 14

8½ x 11

8½ x 5½

8½ x 11

EXTRA

AUTO PAPER
SELECT

ORIGINAL SIZE ENTER

26

22 24 28

MARGIN SHIFT key and indicator

2

COPY RATIO display

5

Paper required indicator

8

Toner collecting container full indicator

G

Copy quantity display

J

POWER SAVE indicator

M

LIGHT and DARK keys and indicators

P

Enlargement ( ) key

S

ORIGINAL SIZE ENTER key

V

TRAY SELECT key

Y

Zero/readout key

\

PAPER
SIZE

101112

98

TRAY SELE CT

30

29 31 33 34

14

123

56

4

7

89

0/ C

32

3
6
9

H

K

N

Q

T

W

Z

]

16 17

1513

INTERRUPT

CLEAR ALL

CA

POWER SAVE

START

DUAL PAGE COPY key and indicator
ZOOM keys
Maintenance required indicator

Toner required indicator
INTERRUPT key and indicator

SORTER key and indicators

EXPOSURE key and indicators

100% key
AUTO PAPER SELECT indicator

Paper feed location/misfeed location
indicators

Clear (

) key

C

4 – 3

3. Internal view

27
26

28

25

21 5 6

8

3 4

1097

12

13

30

29

31
32
34
35

24

#2 mirror

1

Copy lamp

4

Blank lamps

7

#5 mirror

F

Resist roller

I

Separation corona

L

Suction unit

O

Lower heat roller

R

Upper separator pawl

U

Delivery select gate

X

Counter manual feed roller

[

Upper paper feed roller

^

Lower paper feed roller

a

Lower cleaning roller

d

23

22

21 19

40

2
5
8
G
J
M
P
S
V
Y
\
_
b

18

20

#3 mirror
Lens unit
#6 mirror
—
Transfer corona
Drum separator pawl
Suction belts
Heater lamp
Upper cleaning roller
Manual feed takeup roller
Transport roller (upper)
Upper paper feed reverse roller
Lower paper feed reverse roller

17 16 15

14

#1 mirror

3

Main corona unit

6

#4 mirror

9

Developing tank

H

Drum

K

Cleaner unit

N

Upper heat roller

Q

Lower separator pawl

T

Fuser thermistor

W

Manual feed paper feed roller

Z

Transport roller (lower)

]

Upper paper takeup roller

‘

Lower paper takeup roller

c

36
33
37
38

39

4 – 4

4. Clutches, sol eno id s

10

9

8

7

6
5

3

Signal name Name Function

1
2
3
4
5
6
7
8
9
F

CPFS1 Upper cassette paper feed solenoid For tensioning takeup roller

CPFS2 Lower cassette paper feed solenoid For tensioning takeup roller
CPFC1 Upper cassette paper feed clutch For actuating paper feed roller
CPFC2 Lower cassette paper feed clutch For actuating paper feed roller

MPFS Manual paper feed solenoid For tensioning takeup roller
TRCL Transport roller clutch (low) For actuating transport roller (low)
TRCH Transport roller clutch (fast) For actuating transport roller (fast)

RRC Resist roller clutch For actuating resist roller

PSPS Paper separation solenoid For actuating paper separation solenoid

DGS Duplex copy gate solenoid For actuating duplex copy gate

1

4

2

4 – 5

5. Sensors

5

6 7

8

9

10

4

3

11

21

20

2

12

1

13

14

15

16

17

Signal name Type Name Output

1
2
3
4
5
6
7
8
9
F
G
H
I
J
K
L
M
N
O
P

Q

CSWL Microswitch Cover switch, (left) On when closed

POD Transmssive photosensor Paper exit sensor Low when paper passes over
P-SW See-saw switch AC power switch —
MHPS Transmissive photosensor Mirror home position sensor High when scanner at home postion

CSWF Microswitch Cover switch, (front) On when closed

LHPS Transmissive photosensor Lens home position sensor Low when lens at home postion

PSD Transmissive photosensor Paper separation sensor High when paper passes over

OCSW Transmissive photosensor Original cover switch Low when cover is open

PPD2 Transmissive photosensor Paper transport sensor Low when paper passes over

MBHPS Transmissive photosensor Mirror home position sensor Low when mirror at home position

PPD1 Transmissive photosensor Paper transport sensor-1 Low when paper passes over
PED1 Transmissive photosensor Manual feed paper sensor Low when paper passes over

TFD Transmissive photosensor Full waste toner sensor Low when full waste toner detected

LUD1 Transmissive photosensor Upper cassette liftup sensor Low when lift plate detected

PED2 Transmissive photosensor Upper cassette paper sensor Low when paper detected

CSWR Microswitch Doorswitch (right) On when closed

PID Transmissive photosensor Paper transport sensor High when paper passes over

LUD2 Transmissive photosensor Lower cassette liftup sensor Low when lift plate detected

PED3 Transmissive photosensor Lower cassette paper sensor Low when paper detected

PLS1 Transmissive photosensor Manual tray paper length sensor Low when detected
PLS2 Transmissive photosensor

Manual tray paper length sensor
(Inch series only)

Low when detected

18
19

4 – 6

6. Motors

9 12 85

4

10

3

6

7

Signal name Name Type Function

1
2
3
4
5
6
7
8
9
F

MM Main motor DC, brushless Driving copier and ADU option

SM Mirror motor DC, brushless Driving optical system mirror bases A and B

LEM Lens motor DC, stepping Driving optical lens

MBM #4/5 mirror base motor DC, stepping Driving optical mirror base C

TM Toner motor DC, synchronous Supplying toner
LUM1 Upper cassette liftup motor DC, brush Lifting upper paper feed cassette baseplate
LUM2 Lower cassette liftup motor DC, brush Lifting lower paper feed cassette baseplate

CFM Cooling fan motor DC, brushless Cooling optical system
VFM Ventilation fan motor DC, brushless Ventilating fuser area
SFM Suction fan motor DC, brushless Ventilating process unit area aid in paper transport

4 – 7

7. Board list

14

2

10

3

12

116

5

7

1

4

9

8

13

Name Type Function

Main PWB Japan/Export Primary control of copier functions

1

Operation PWB Common Display

2

AC PWB Japan/Export, 100V/200V Supplying AC power

3

Blank lamp PWB Common Controlling blank lamps

4

Original sensing light emitting PWB Japan Sensing original size

5

Original sensor light receive PWB Japan Sensing original size

6

AE PWB Common Automatic exposure sensor

7

Cassette paper size PWB Common Sensing cassette paper size

8

Liftup motor PWB Common Driving paper cassette bottom plate liftup

9

DC power supply unit 100V/200V series Supplying DC power

F

High voltage transformer Common Supplying process unit high voltage and developing bias voltage

G

Discharge lamp Common Driving discharge lamps

H

Process control VR PWB Common Process sensor sensitivity adjustment

I

Manual feed paper size sensor

J

PWB

Japan/Export Paper size detection (Japan, portrait only)

4 – 8

8. Duplex copy tray

1 2

12

87 9 10 5 4

11

3

6

Signal name Type Name Output

1
2
3
4
5
6
7
8
9
F
G
H

APHPS2 Transimissive photosensor ADU rear plate home position sensor Low when at home position

DPPD1 Transimissive photosensor ADU paper transport sensor-1 High when paper passes over

APHPS1 Transimissive photosensor ADU alignment plate home position sensor Low when over home position

DPPD2 Transimissive photosensor ADU paper transport sensor-2 High when paper detected

DTPID Transimissive photosensor ADU tray sensor High when paper detected

DPFD Transimissive photosensor ADU paper entry sensor High when paper detected
PAM2 DC stepping motor ADU rear plate motor
PAM1 DC stepping motor ADU alignment plate motor
DPFC Magnetic clutch ADU paper feed clutch

DRRC Magnetic clutch ADU counter roller clutch

DDC Magnetic clutch ADU clutch

ADUPWB Duplex copy tray load driving Diode PWB

4 – 9

9. Desk unit (SF-D 20)

9 7 6 4

Signal name Name Function

1
2
3
4
5
6
7
8
9
F
G
H

DPOD1 Desk paper exit sensor Paper exit sensor (High when paper passes over)
DPOD2 Desk paper exit sensor Paper exit sensor (High when paper passes over)

DLUD1 Desk cassette liftup sensor Cassette liftup sensor (Low when lift plate detected)
DPED1 Desk cassette paper sensor Cassette paper sensor (Low when paper detected)
DLUM1 Desk cassette liftup motor Cassette liftup drive motor

— Liftup motor PWB —
— Cassette paper size PWB —

DM Desk drive motor Desk main motor

— Desk main PWB —

DTRC Desk transport roller clutch Transport roller drive

DPFC1 Desk paper feed clutch Paper feed roller drive

DPFS1 Desk paper feed solenoid Paper takeup roller drive

5 11

3 1

12

10

2

8

4 – 10

10. Desk unit (SF-D21)

7

4

3 1

8

2

9

10

5

11

6

Signal name Name Function

1
2
3
4
5
6
7
8
9
F
G

DPOD1 Desk paper exit sensor Paper exit sensor (High when paper passes over)
DPOD2 Desk paper exit sensor Paper exit sensor (High when paper passes over)

DLUD2 Desk cassette liftup sensor Cassette liftup sensor (Low when lift plate detected)
DPED2 Desk cassette paper sensor Cassette paper sensor (Low when paper detected)

— Cassette paper size PWB —

DM Desk drive motor Desk main motor

— Desk main PWB —

DTRC Desk transport roller clutch Transport roller drive

DPFC2 Desk paper feed clutch Paper feed roller drive

DPFS2 Desk paper feed solenoid Paper takeup roller drive

LCCM Large capacity cassette motor Cassette tray liftup drive motor

4 – 11