Ricoh FT 5550, FT 5070 Service Manual

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Page 1

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CUSTOMER SERVICE

FT505015070

FIELD SERVICE MANUAL

REV.NO.

& -—- + -–—— — ——--

—. —-

— —.-———— -

DATE COMMENTS

5191

OrmnalPnntma

—

—.—

—.

—

~-. -— – .--—

L- —. —._

——

—

—-

—

“’:-1

PN RCFtV15050

Page 2

Page 3

WARNING

The Field Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by Ricoh Corporation. Users of this manual should be either service trained or certified by successfully completing a Ricoh

Technical Training Program.

Untrained and uncertified users utilizing

information contained in this service manual to repair or modify Ricoh equipment risk personal injury, damage to property, or loss of warranty

protection.

mcoh corporation

Page 4

————

Page 5

Table of Contents

SECTION 1. INSTALLATION REQUIREMENTS

1-1

1-2 1-3 1-4

Environment ..............................................................................................................

Machine Level ...........................................................................................................

Minimum Space Requirements ..................................................................................

Power Sourm ............................................................................................................

SECTiON 2. UNPACKING AND INSTALLATION

Installation-Setup Checklist 2-1

2-2 Accessory Checklist ..................................................................................................

2-3 2-4

2-5 Key Counter Holder installation ..................................................................................

2-6

Unpacking Procedure ...................................................................... .........................

Installation Procedure ................................................................................................

Cassette Modification .

Main Transformer Conversion ....................................................................................

...............................................................................................

SECTION 3. PREPARATION FOR TRANSPORTING COPIER

Pr+aratbn for Trans~fii~ the Copier ..................................................................................

SECTION 4. REMARKS

4-1

4-2 Handling the Dmm .....................................................................................................

Points to Remember ..................................................................................................

1-1-1 1-2-1 1-3-1 1-4-1

2-1-1 2-2-1 2-3-1 2-4-1 2-5-1 2-6-1

3-1-1

4-1-1 4-2-1

SECTION 5. REPLACEMENT AND ADJUSTMENT

1-1

1-2 1-3 1-4 1-5 1-6 1-7 1-8

Exposure Glass Removal ..........................................................................................

Or@inal Stielndkator Board Removal .......................................................................

2ti Mirror Removal ...................................................................................................

Exposure La~Replacement ....................................................................................

Ex~sure Lamp Position ............................................................................................

Scanner Drive Wire Replacement .......

Scanner Drive Motor Replacement ............................................................................

Lens Drive and2nd Scanner Drive Motor Replacement ................... .........................

........................................................... ...........

SECTION 6. SERVICE TABLES

6-1

6-2 Dip Switch Table .......................................................................... ... ............ ............

6-3

6-4 Self-Diagnostic Codes ...............................................................................................

Preventive Maintenance Schedule

6-6 Sp*ial Tmls .............................................................................................................

Adjustment Table .......................................................................................................

Defective Sensor Table ............................................................................................

5-1-1 5-1-2 5-1-3 5-1-5 5-1-7

5-1-9 5-1-15 5-1-17

6-1-1

6-2-1

6-3-1

6-4-1

6-6-1

Page 6

.. ..

SECTION 7. TROUBLESHOOTING

1-1

1-2 1-3 14 1-5 1-6 1-7

1-8

1-9

1-1o 1-11

1-12 1-13 7-2 2-1 2-2 2-3

2-4

2-5

2-7

2-8

2-9

2-1o

2-11

2-12

2-13

2-14

2-15

2-16 2-17 2-18

Whtie Copy ................................................................................................................

Dirty Background

Uneven Image Density ..............................................................................................

Vertical Black Line .....................................................................................................

Vertical White Line .....................................................................................................

Horizontal Black Line .................................................................................................

..........................................................................................................................

Jitter

Copy Image is Scraped Off by the Finger Due to Unfused Copy ................................

Scanner Movement is Out of Control Toner Density is Too Hgh

Toner Density is Too Low ..........................................................................................

Distorted Copy Image ................................................................................................

Mi~ellaneous .......................................................................................................... ..

Electrical and Mechanical

Exposure Lamp Malfunction ..................................................................................... .

Lamp Reiay O~n .................................................................................................... .

Scanner Not in H. P., Delayed H.P. Signal ..................................................................

@emn Swtich ON ....................................................................................................

No Regist Start Signal ...............................................................................................

Lens H.P. Not ON, Lens H.P. Not OFF ......................................................................

2nd Scanner H.P. Not ON, 2nd Scanner H.P. Not OFF .............................................

Hgh Frequency Ender Out~t ................................................................................

Low Frequency Encoder Output ................................................................................

.......................................................................................................

.........................................................................................

Upper Lift Sensor Not ON, Lower Lift Sensor Not ON ................................................

Themtise Blown .....................................................................................................

Themistor Blown ................................................................................................ ......

Ready Sgnal Not ON ................................................................................................

Fundbnal Drive Maltindion ......................................................................................

Jogger H.P. Not ON, Jogger H.P. Not OFF ...............................................................

Counter Malfunction ..........................................................................................

Total

Optics/Main Board ltiedace Malfundion ....................................................................

.........................................................................

7-1-1 7-1-2 7-1-4 7-1-6 7-1-7

7-1-9 7-1-1o 7-1-11 7-1-12 7-1-13 7-1-15 7-1-17 7-1-18

7-2-1

7-2-2 7-2-3 7-2-4

7-2-5

7-2-6

7-2-7

7-2-8

7-2-9

7-2-10 7-2-11 7-2-11 7-2-12 7-2-13

7-2-14

7-2-15 7-2-15

..—

..-

SECTION 8. DOCUMENT FEEDER DF32

8-1 Unpacking 8-2

DF Installation Procedure ..........................................................................................

.................................................................................................................

SECTION 9. SORTER CS1510

9-1 Unpacking Procedure ................................................................................................

2-1 Instaliat.mn Procedure ................................................................................................

SECTION 10. LARGE CAPACITY TRAY RT11

10-1

10-2 Installation Procedure ................................................................................................

3-1 3-2 3-3 3-4

Unpacking Procedure ................................................................................................

Tray Down Sensor and Positioning Switch Replacement ...........................................

Paper Size Sensor Replacement ...............................................................................

Tray Wire Replacement .............................................................................................

Pa~r Volume Cod Replacement ..............................................................................

8-1-1

8-2-1

9-:-1

9-2-1

10-”-1 10-2-1 10-3-1 10-3-3 10-3-4 10-3-7

..44.

Page 7

SECTION 11. ELECTRICAL DATA FT 5050/5070

11-1 Point-to-Point Wiring Diagram

Component and Connector

Reference Vottage Chart 11-4 11-5 11-6

Schematics Timing Chafi Board Pattern

Layout

SECTION 12. ELECTRICAL DATA DF32

12-1 DF Point-to-Point/Component and Connector Layout 12-2 DF Timing Chart 12-3 12-4 DF Main Board Pattern

DF Main Board Schematic

SECTION 13. ELECTRICAL DATA CSI 510

13-1 Sorter Point-to-Point/Component and Connector Layout 13-2 13-3 Seder Main Board Schematic

13-4 Sorter Main Board Pattern

Sorter Timing Chart (A3 Mode)

SECTION 14. ELECTRICAL DATA RTI 1

14-1

14-2 Electrical Component and Connector Layout 14-3 Tray Main Board Schematic 14-4 Tray Main Board Pattern

Point-to-Point Wiring Diagram

RETROFIT INFORMATION

Ret refit Information

Page 8

-4 ‘

Page 9

SECTION 1

INSTALLATION REQUIREMENTS

Page 10

—

Page 11

—.

l-l

Environment

Temperature Range

: 10°C to 30°C (50°F

to 86°F)

Humidity Range : 15% to 90% RH

Ambient Illumination: Less

lUXS (Do not expose to direct sunlight)

Ventilation

: Room air

turn over at least 3 times/hour.

Amb~ent Dust

: Less than 0.15mg/m3

(4 x

Room Size

: More

(13.4yd3)

the

conditioned or heated,

Where It w~ll

● ✎

installation place is

place the machine:

not be subjected to sudden temperature changes from low to high, or vice versa.

than

‘30z/yd3)

than

..-8 ., .-” -

1,500

should

10m3

air–

b. Where it will not be directly exposed

to cool air froman alr conditioner Ln the summer.

May7,1984

Where it will not be directly exposed

to reflected heat from a space heater in winter.

8. Avo~d placing the copier in an area filled with corrosive gas.

9. Avoid any area higher than 2,000m (6,500 feet) above sea level.

10.

Place the copier on base.

11. Avoid any area where the copier maY be sub]ected to frequent strong vibration.

a strong and level

1-1-1

1-1-2

Page 12

1-2. Machine Level

Front to back

.,.”

., ,”.,-

Within 5mm (O

Right to left:

Within 5mm (0.2”)

(Legs may be the machine. the exposure

2“)

level

screwed up or down to level

Set a carpenter’s level on

glass. )

—-=-

l._.

L ,,

.4 ‘

)

-R---

‘\

May7,1984

1-3.

Front :

Back :

Right :

Left :

Blinimum Space Requirements

(27.6”)

70cm

1Ocm

(3.9”)

(31.5”)

80cm

10cm

(3.9”)

1-2-1

..-

lCkm(39“)

~70cm(276“)

1-3-1

..-

Page 13

1-4. Power Source

1. Input voltage level

l15v/60Hz

: More than 15A 220v/50Hz : More than 7A 240vi50Hz : More than 7A

2. Permissible voltage fluctuation : flO%

3. Permissible extension cord :

At least 300V, 30A capacity and less than

5m (16.4’” long.

NOTE : 1. Be sure to ground the machine.

(Do not connect the grounding

wire to a gas pipe.)

2. Make sure the plug is

firmly

inserted ~n the outlet.

3. Avoid multl-wiring.

4. Do not set anything on the power cord.

141

Page 14

,.-

..4

w’

../

Page 15

SECTION 2

UNPACKING AND INSTALLATION

Page 16

Page 17

INSTALLATION-SETUP CHECKLIST

RICOH FT-5050/5070

~ Initial Setup& Visual Check

OK ADJ .

❑ ❑

CHECK SHIPPING REMOVE COPIER FROM SHIPPING CARTON.

Ref: RICOH FT5050/5070 Field Service Manual, pg. 2-1-1.

REMOVE ALL PACKING TAPE AND PANELS.

Ref: RICOH FT5050/5070 Field Service Manual, pg. 2-1-2.

REMOVE ALL SHIPPING RETAINERS.

Ref: RICOH FT5050/5070 Field Service Manual, pg. 2-1-3.

CHECK QUANTITY AND CONDITION OF ACCESSORIES.

Ref: RICOH FT5050/5070 Field Service Manual,

CHECK FOR LOOSE OR BROKEN CORONA WIRES.

~ Mechanical Adjustments

CARTONFOR EXTERNAL DAMAGE.

pg. 2-2-1.

OK ADJ

•1 o p

c ❑

a G

INSTALL MACHINE ON SUITABLE TABLE AND LEVEL. CHECK SCANNER AND LENS DRIVE SYSTEMS FOR CLEANLINESS AND LUBRICATION.

❑

Ref: RICOH FT5050/5070 P.M. schedule.

SET CASSETTE FOR APPROPRIATE PAPER SIZE.

Ref: RICOH FT5050/5070 Field Service Manual, pg. 2-4-1.

INSTALL RECEIVING TIUiY.

~ Voltage& Current Check

OK ADJ

CHECK WALL OUTLET FOR PROPER PHASING AND GROUNDING (USE OF WALL OUTLET

TESTER IS RECOMMENDED).

CHECK LINE VOLTAGE FROM WALL OUTLET - 115VAC t 10%. CHECK CORONA CURRENTS.

Ref:

CHECK FUSING

Ref: RICOH FT5050/5070 Field Service Manual, pg. 5-7-13.

CHECK IMAGE DENSITY SENSOR AND ADJUST IF NECESSARY.

Ref: RICOH

RICOH FT5050/5070 Field Service Manual, pg. 5-10-5.

TEMPEMTURE.

FT5050/5070 Field Service Manual, Pg. 5-2-14 & 16.

dSupplies Installation

OK ADJ

L-.

INSTALL SILICONE OIL AND PRIME OIL SUPPLY SYSTEM.

Ref: RICOH FT5050/5070 Field Service Manual, pg.

INSTALL DEVELOPER (1 KG).

Ref: RICOH FT5050/5070 Field Service Manual, pg.

PRLME DRUM CLEANING BLADE AND BRUSH WITH SETTING POWDER.

Ref:

INSTALL ONE BOTTLE OF TONER.

Ref:

CHECK DIP SWITCHES FOR PROPER POSITIONING.

INSTALL ALL COVERS.

RICOH FT5050/5070 Field Service Manual, pg. 2-3-5.

RICOH FT5050/5070 Field Service Mnnual, pg. 2-3-7.

Ref: RICOH FT5050/5070 Field Service Manual, pg. 6-2-1.

2-3-162.

2-3-4.

REV. 8-1-8

Page 18

rum Conditioning

OK ADJ

CID

Final Check

OK ADJ

a •1

00 00

❑ 0

arranty Card & New Equipment Condition Report

•1

Lppies Data

CONDITION THE DRUM FOR 99 COPIES.

Ref: RICOH FT5050/5070 Field Service Manual, pg. 2-3-8.

CHECK LEAD EDGE REGISTRATION.

•1

c1 INSTALL ALL RETROFIT AND P.M. LABELS.

Ref: RICOH FT5050/5070 Field Service Manual,

CHECK LEAD EDGE ERASE.

Ref: RICOH FT5050/5070 Field Service Manual,

CHECK UNEVEN EXPOSURE.

Ref: RICOH

CHECK LIGHT INTENSITY.

Ref:

CHECK ALL MODES OF OPERATION.

FILL OUT AND SEND IN WARIW4TY CARD, N.E.C.R., WITH CUSTOMER AND

DEALER NAMES ANI) INSTALLATION DATE.

INSTALL ALL COVERS.

DEVELOPER MIT NO.

RICOH ~5050/5070 Field Service Manual,

FT5050/5070 Field Service Manual, pg. S-11-4.

pg. 5-11-1.

pg. 5-11-5.

TONER LOT NO.

PHOTOCONDUCTOR LOT NO.

CIJSTCMER’S NAME

ADDRESS

MACHINE S/N

TECHNICAL REPRESENTATIVE

CUSTOMER’S SIGNATURE

DATE

METER READING

../

Page 19

Unpacking Procedure

2–1.

Remove the four (4) box ]olners and the top box as shown in the figure.

Take out the accessories.

Remove the cushion blocks.

Open the vinyl bag.

----’

___

Remove the machine

llftlng lt out by the handl

side.

Aug.30,1984

Remove the 7 strips of tape (A) shotrn in

the figure.

from

the box by

es on either

. . .

z-l-l

/’—9—.. .’

IAI

Open the front cover.

Remove the strips of

figure.

3 strips (B)

5 str~ps (B + C) (duplex model)

Remove the fork gate unit support

9. (D! (duplex model only).

2-1-2

‘\.

IA)

—

——— —

—

— -k

—- m~

--)

(c,

Page 20

--. --,..-,

Remove the fork gate

10.

(2 screws) (duplex model only).

11.

Remove the transport unit lock

(2 screws) and the wedge (C) from between

the registration rollers.

12.

Remove the left cover (4 screws).

13.

Remove the scanner lock plate

screw) .

WU1’B: Reinstall the screw for future use.

14.

Reinstall the left cover.

Do not throw away the scanner lock plate. It is necessary to reinstall it if the copier is to be transported to another place.

unit lock plate (A)

plate (B)

(D) (1

.=l~

-< .

,-%,

AUQ 30,1984

2-2. Accessory Check List

Check the quantity and condition of the accessories in the box according to the New

Equipment Condition Report.

Installation procedure

(l15V-English only/220V-five languages)

--—_ ___________________ _______________

NECR

Envelope-NECR (115V only)

Cassette - large

4. Cassette - small

5. Paper size actuator plates

Paper size decals Copy tray

8. Original table

10.

Original holder

11.

Spacer-original table

12.

Toner catch pan-A

13.

Toner catch pan-C (duplex model only)

----------- ____ ________ ________ __

-------- __________________

--__— __________ ________ ---

---------- ___________ _______

---- ________ ______ ______ ___

-------- --------- .-.

---------- -------

----- -----------

------ _________ ____ ______

------ ________ ---_-_—

______________________ ___

-----

2-1-3

1 2

1 1 1 2 1 1

14.

Operating instructions

(l15V-English only/220V-five languages)

15.

Operating instructions holder

16.

Multilingual decals (220/240v only) ------- 1 set

----- ________ -------

------ -------

2.2.1

Page 21

..-,,

---

2-3.

Installation Procedure

1. Check and adjust the machine level.

2. Open the front cover and pull out the

fusing unit.

Remove screws) and the oil pad pressure plate

(B).

Remove the oil supply pad (C) andconflrm

that the oil blade 1s free from foreign

matter .

5. Saturate the oil supply silicone oil (D).

Reassemble and return the fusing unit to Ats original position.

the fusing unit cover

(A) (2

pad with

gar

..,~%

~ ,2A

J >’ d

c’

.—-

,J= “a

f /-j-3

------

AD)

May 7,1984

Fill the oil tank (A) with silicone oil (B)(maximum capacity

Remove the rear cover (2 screws)

Remove the coollng fan (C)(2 screws and 1

connector) and swing the optics board (D) out to the right (1 screw). Take care not

to damage any harnesses or connectors.

10. Manually operate the oil pump solenold

(E)

and confirm proper operation and

condition of silicone 011 supply system.

1.6 liters).

2-3-1

(A)

11. Return the optics board and reinstall the

cooling fan and the rear cover. harness must be returned to its original Position.

The wire

)

t!’

2-3-2

Page 22

12. Lower the transport unit (A).

13. Pull down the toner bottle holder (B).

14. Put a sheet of paper (C) on the T/S corona unit (D).

1S. Remove

together with the wire cleaner screw) .

16. Remove the drum stay (G)(l brass screw).

the

charge corona

unit (E)

(F)(l

—.

/ ‘A)

— .—. —...—,.—

NOTB: It is important to keep a sheet of

paper underneath the drum stay

whenever you remove it to catch the

falling toner.

17. Place a sheet of paper on the floor. Pull out the development unit and put it on the paper.

M8y 7,1904

18. Separate the toner tank (A) from the development unit (B) (2 screws).

2-3-3

19. Pour one bottle of developer (C)(lkg

RICOH TYPE 4000) into the development unit turning

counterclockwise developer.

20. Reassemble the toner

development unit.

CAUTICX@: When reinstalling the toner

tank, surface aqitator gear is on the opposite side of the toner end sensor actuator .

make sure that the flat

the knob (D)

to distribute the

tank on

(E) of

the toner

the

2-3-4

Q-i

Page 23

21. Remove the cleaning unit (A) and prime the cleaning blade (B), and the cleaning

brush (C) with the setting powder

(D)

(P\N 54429101).

22. Reinstall the cleaning unit.

(A)

,, ,

Mav 7,1984

23.

Pull out the protective sleeve (A) on

the drum (B).

NOTB: Save the drum protective sleeve for

future use when servicing the

copier.

2-3-5

(B)

/.//

.2’

‘\

(c)

(A)

24.

Reinstall the development (C) unit.

lJOl’E:Confirm that the development unit

and cleaning unit (D) are properly

installed.

Reinstall the drum stay and the charge

25. corona unit.

I@iY?15:When reinstalling the charge corona

unit,

make sure that the wire

cleaner (E) is properly positioned.

Remove the paper on the T\S corona unit

26. and return the transport unit to its

original position.

2-3-6

Page 24

27. Remove the toner tank plug (A) and load the toner bottle onto the bottle holder and raise the holder bracket.

NOTE 1: For loading the toner bottle (C),

refer to the decal attached on the inside front cover.

(B) up to the

. ...

-(A)

Aug.30,1984

28.

29.

~ 2: Confirm that the toner bottle

gear trying to rotate it. toner bottle gear is properly engaged, not rotate freely.

Remove the misfeed location indicator panel (A)(l screw).

Turn on SW1 of DIP switch

front cover.

~: In 240V areas,

transformer modification must be done at this time.

is properly engaged by

When the

the toner bottle does

and close the

the 220\240v

“4

a..

OIP <W,l CU

.!_ :-;_y4 S_*

ikmw!

1 23 45 6

. v. u--—.—_

<!%

‘@.*aQ

‘ “+%< g

[FT5070)

/“

30.

Lower the platen cover.

31.

Plug in the machine and switch.

32.

After warm up period is

99 and press the Print key for drum

conditioning.

33.

After the machine stops, main switch.

34.

Turn off SW1 of DIP switch and reinstall

the misfeed location indicator panel.

turn on the main

completed, enter

turn off the

2-3-8

---- s--..

1 NOT USED

6 18EEPER ON

]COWNT UP

]BEEPER OFF

---- .

.—

-/’

Page 25

Install toner

35.

catch pan-c (A) on the

transport unit (B) (1 screw )(duplex model only) .

Install toner catch pan-A (C) on the drum

36.

stay (1 screw).

190’1’11:This catch pan is optional because

Aug. 30, 1984

Close the front cover.

37.

Install the original table (A) using the

38. spacers (B) provided.

it hinders drum stay removal. To remove a drum stay fitted with this catch pan: remove the toner bottle,

lift up the bottle holder

(D), and

then remove the drum stay.

(r’

2-3-9

39.

Install the original holder (C) on the platen cover as shown.

40.

Install the copy tray and load paper into

the cassettes.

41.

Check machine

Fill out the

42.

Report

(NECR)

operation and copy quality.

New

Equipment Condition

2-3.10

Page 26

May 7,Iw

.—_—

2-4

Cassette Modification

Take off the cassette cover.

Remove the side fences (A) (1 screw each)

2. and the bottom plate (B).

Reposition the rear fence (C) in the

3. desired paper size position (1 screw).

19tEFB:Paper size positions are shown on

the inside of the cassette.

Reinstall the bottom plate.

Reinstall the side fences in the desired

5. paper size position.

Attach the proper paper size decals (D)

6. on the cassette at the positions shown.

Insert the desired actuator plate (E) in the slot on the front of the cassette as shown.

(A)

M8y7, 1984

2-5. Key

MY1’E:

Lowe r

Remove the right front cover (2 screws)

●nd right inner cover (3 screws).

Remove the cover plate (A) and fixing

3. plate (B) from the key counter bracket

(c).

Hold the fixing plate on the inside of the key counter bracket and insert the key counter holder

Counter Holder Installation

Three

recommended for this copier (Ricoh, Recon, and Rengstler When installing the Hecon, or Hengstler

to make wiring by referring to

figure at the right.

the front cover (2

types of counters

key counters).

counters, it is required

thumb screws).

(D).

are

the

241

E!za

2-5-1

Page 27

Align the holes in the fixing plate with

the mounting holes of the key co~nter holder and secure the key counter holder.

.,-r.,--- -

FKYl”B:The fixing plate has three sets of

holes. Make sure to use the holes

that match the type of counter when

installing.

Remove the shorting plug (F) from the key counter connector (G).

NOTB: This shorting plug is usually on

the harness.

Plug in the key counter harness (H).

Reassemble the copier.

Insert the key

counter and check its operation.

May 7,1904

2-6. Main Transformer Conversion

(220 to 240v only)

1. Remove the rear cover (2 screws).

Disconnect the black wire from 220v

terminal.

2-5-2

26-1

Page 28

—————

.... ..—.

--.,

‘

Page 29

SECTION 3

PREPARATION FOR

TRANSPORTING COPIER

Page 30

-. —

Page 31

may 1, 1YU4

PRBPAIWTIOU FOR TW13SPORTIBJG THE COPIBR

Before moving the copier from its place of

installation,

transportation as follows below.

The copier may be badly damaged if it is moved without proper preparation.

Remove the developer development unit.

Insert the drum protective sleeve.

Reinstall the development unit.

Reinstall the drum stay and the charge corona unit.

Place a wedge between the registration rollers.

Install the transport unit lock plate and

the release lever lock plate.

Install the fork gate unit lock plate.

(FT5070 only)

be sure to prepare it for

from the

1 ,6

,-”4

Fork GateUnit Lock Plate

v<”, /

‘/--’ /\

/ \ “’’”

Trans~rt’Unlt Lock Plate

-.,

.-’

L.A

May 7,1984

Remove the left cover and insert the scanner lock plate.

?WTll: Confirm that the scanner is at the

9. Secure the front cover, platen cover and by-pass table with tape.

CAUTION: While transporting the copier by

home position.

car, always cover the copier to avoid direct sunshine.

leave lt in the car or expose it to extreme hot or conditions.

Do not

cold

3-1-1

\“

‘i Scanner Lock plate

3-1-2

Page 32

Page 33

SECTION 4

REMARKS

Page 34

.Ud#”

e“

’984

Page 35

4-1. Points to Remember

CAOTIU9: Keep hands away

●

This is to avoid possible injury when the copier starts idling at the end of warm

from mechanical drive cqnents when the copier is warming up.

up.

●

The beeper sounds five times just before starting idling.

Drum Charge

1. The corona dry cloth.

Do not touch the corona wires with oily hands.

wires should be cleaned at every service call by sliding the corona unit or with

Do not use emery paper or any solvent for wire cleaning.

3. Make sure that the corona wires are correctly positioned between the cleaner pads.

4. After cleaning the charge corona unit,

make sure that there are no threads on the casing to

avoid white lines on the copy.

Rxposure

1. Do not adjust the following parts:

a: First and second scanner height

adjusting cams (1 screw each)

b: Scanner Guide Plate (3 screws) c: Lens Axis Adjusting

Cam (1 screw)

d: Lens Position Adjusting Screws e: Fourth Mirror Angle Adjusting Screw

f: Lens Home Position Sensor (1 screw)

May7,1984

4-1-1

2. Lens home position sensor does not have a convenient ad]usting procedure.

sensor,

mark the position of the sensor bracket before removing it, and adjust the fine

position of the sensor by checking the copy image (horizontal magn~fication and focus).

3. Do not bend or damage the lens support plate or the mylar strip.

Launa 011 or an equivalent oil should be used to lubricate or clean the following:

a. Scanner Gu~de Rod (cleanlng) b. Scanner Guide Rod Pads (Lubrlcatlon) c. Scanner Guide Plate (Lubrlcatlon,/Cleanlng )

CAUTION : Do not use slllcone 011 or any other kind of oil.

5. Clean the exposure glass with alcohol and water.

6. Clean the mirrors only with alcohol and,’or water and a soft cloth.

Do not touch the followlng parts with bare hands:

Reflectors b. Exposure Lamp c. Mlrros and Lens

8. Do not ad]ust the VR on the optics board.

When ad)ustlng the light lntenslty, make

ten copies before proceeding to check copy image ~f

the main switch has lust been turned on.

When replacing the

4-1-2

Page 36

Development

1. Be careful not to nick or scratch the development roller sleeve.

2. Place a sheet of paper under the development unit when it is out of the copier.

-—.

3. Clean the suction duct at every EM or PM.

4. Clean the development unit guide plate before reinstalling the unit.

5. When reinstalling the toner tank to the development unit,

make sure that the flat surface of

the toner agitator gear is on the opposite side of the toner end sensor actuator.

Toner

Image density sensor should be cleaned at every EM or PM with a blower brush.

2. DO not touch the sensor pattern with bare hands.

3. Image density sensor adjustment is required when:

a: The ID sensor board is replaced. b: The main board is replaced. c: The drum has been replaced and Vsg is out of standard. d: Problems with toner supply have occurred and ID sensor check shows the Vsg to be out of

standard.

4. Grease the toner supply clutch with Mobil Temp 78 periodically to avoid noise and bad operation.

.dO,’

May7,19$4

4-1-3

Transfer and Separation

1. The corona wires should be cleaned with a dry cloth at every EM or PM.

2. While the drum stay is out,

do not lift up the corona unit.

(The corona casing hits against

the drum.)

Cleaning

DO not damage the edge of the cleaning blade.

DO not touch the cleaning brush with oily hands.

Before pulling out the cleaning unit,

Be careful not to damage the drum with the pick-off pawls when pulling out or inserting the

place a sheet of paper under it.

unit.

When a new cleaning blade and/or a new cleaning brush is installed,

dust them with setting

powder before reinstalling the unit.

4-14

Page 37

Pusing

1. When removing the fusing unit, keep it in an up-right position so that the silicone oil does

not spill.

2. After replacement of the oil blade, oil supply pad, and the hot roller, prime with silicone oil to the top of the OL1 blade.

3. Be careful not to damage the edge of the hot roller strippers or their tension springs.

4. Be careful not to bend the pressure roller strippers.

5. DO not touch the fusing lamp with bare hands.

6. Be sure that the fusing lamp is not in contact with the inner surface of the hot roller.

7. Be sure that the oil end sensor contacts the bottom of the oil tank.

8. When replacing a fusing temperature control board, make sure that the DIP switch on the board

is set for the correct frequency (50/60Mz).

Mav 7,1984 4-1-5

Paper Feed and Duplex

1. Grease the following parts with Mobil Temp 78 periodically to avoid noise and bad operation:

a. Slip clutches in upper, lower,

b. Worm Gears and Worm Wheels of upper and lower lift motors.

Be careful not to damage the forks when removing the fork gate unit.

3. The rollers and S1lP clutch for duplex and cassette feed are not Interchangeable.

Be sure that the duplex transport belts are matte-side out when replaclng them.

5. When reinstalling the support bracket, the groove of the registration clutch stopper.

Optional Equipments

1. When servlclng the document feeder and/or sorter,

copier

1s off.

2. Before servlclng the large capacity tray,

and duplex separation rollers.

make sure that the bracket is properly engaged with

make stire that the Main switch of the

unplug the power supply cord of the tray.

4-1-6

Page 38

4-2. Handling the Drum

1. Never touch the drum surface with bare hands.

2. Store the drum in a cool dry place away from heat.

Illdv /, lYd4

3. When cleaning the drum, always use a pair of gloves.

cleaning.

Bring it back to the service depot for disposal according to local regulations.

Do not throw away cotton used for

4. Always prime the drum with setting powder after cleaning the drum, and when installing a new drum. This should be done within one minute in a location not exposed to room light.

5. To protect the drum,

always applly setting powder to a new cleaning blade and/or a new

cleaning brush before installing them.

6. Drum conditioning is necessary when a new drum is installed. In addition, it should be done

at the following times:

1) When image density is reduced due to over-exposure of the drum.

2) After cleaning the drum.

3) When the drum is lightly scratched.

7. Always keep the drum in the protective sleeve when inserting or pulling the drum out of the

copier (except when applying setting powder).

8. Before inserting or pulling out the drum,

the cleaning unit should be pulled slightly out to

avoid drum damage by the pick-off pawls.

9. Before inserting the protective sleeve on the drum while it is in the copier, always take out

the development unit.

If the sleeve is inserted while the development unit is ir,the copier,

the edge of the sleeve will scrape off developer from the development roller.

10. Send used drums to the distributor according to standard procedure.

4-2-1

Page 39

SECTION 5

REPLACEMENT AND ADJUSTMENT

Page 40

— —

Page 41

1-1.

Bxposure Glass Removal

Take off the left scale (2 short screws).

Grasp the left edge of the exposure glass

and lift it up slightly. edge holder.

out from under the right glass

Remove the exposure glass.

Slide the other

-,. . .-”.

ShortScrew

NoTB:

When reinstalling the exposure glass:

●

Make sure that the left edge of the

glass is flush with the sensor

pattern plate.

●

Make

sure that the right glass

holder firmly secures the exposure

glass.

sensor Pattern Plate

5-1-1

May 7,1984

1–2. Original Size Indicator Board Removal

Turn off the main switch.

Take off the left scale (2 short screws).

Remove the platen cover and the mounting

studs.

Remove the upper cover

(2 long and 6

standard screws).

Open the front cover and remove the left

inner cover (4 screws and 1 thumb screw).

Remove the orlglnal size indicator board (1 connector).

Original Size

Lefl Inner Cover

Left Scale

Ill

Platen Cover

. 1A

5-1-2

Page 42

———

Iwdy t, Iyoq

1-3.

2nd Mirror Removal

IiOTB: This procedure is usually performed

in order to make cleaning the 3rd

mirror easier.

Turn off the main switch.

Remove the exposure glass.

(See Exposure

Glass Removal.)

Move the 1st scanner 2/3 to the right by

pushing it at the rear side.

Remove

depressing

the front spring plate by

the top of the spring and

moving the plate towards the front side

of the machine.

Carefully pull the 2nd mirror towards the

front side of the machine to remove the rear spring plate.

Lift the mirror out of the machine rear side first.

Clean mirrors with alcohol followed by

water, and then dry.

[Front]

2nd Mtrror

Rear Spmg Plate

d’

- To Reinstall -

Place the rear spring plate in place and

hold it with your finger.

Insert the 2nd mirror into the front side

plate cut out.

10.

Insert the rear side of the mirror into

the rear spring plate.

11.

Locate the bottom of the front spring plate and rotate the top of the spring

into position.

t90TB: Make sure that you install the

mirrors with the 1st surface facing

the lens as shown.

5-1-3

(Right)

! ~ti=&;

~—_J

““’at’?~’rs’ea~~’n’

surface

1St

(Wrong)

,2nd%anner&xket

May7

19a4

5-14

‘d

Page 43

1-4. Exposure Lamp Replacement

1. Turn off the main switch.

2. Remove the exposure glass. (See Exposure

Glass Removal.)

Move the first scanner to the position

where the rear frame is cut out.

4. Remove the reflector cover (2 screws).

5. Wrap a strip of paper around the exposure lamp as shown.

CAUTION: Do not touch the reflector or

the new exposure lamp with your bare hands. paper as shown.

Use a strip of

(Finger oil marks on the lamp or reflectors will be affected by the heat and will result in discoloration.)

Reflector Cover

iExposure Lamp

Press the release lever on the front lamp

6. terminal as shown and take out the lamp.

.Install

paper .

a new lamp US111C3 a strip of

(Set the rear terminal first. )

NOTE: The blister on the lamp must point

toward the mouth of the reflector as shown.

Check the exposure lamp posltlon and the

liqht

intensity

(See

Exposure

Posltlon and Light Intensity Adjustment.)

Lamp

5-1-5

May7,1984

, Reflector Cover

5-1-6

Page 44

1-S. Exposure Lamp Position

Remove the exposure glass. (See Exposure

Glass Removal. )

-Horizontal Adjustment-

Move the exposure lamp to the center of the copier.

View the lamp filament through the sight holes on the top of the reflector cover.

The filament should be directly beneath

the sight holes.

To correct the position of the filament, turn adjusting screws.

-Vertical Adjustment-

Move the exposure lamp fully to the

right.

View the lamp filament through the

ventilation the upper cover.

slits on the right side of

The filament should be level with the sight holeson the sideof the reflector.

To correct the position of the filament, remove the platen cover and the upper cover (8 screws and 2 mounting studs).

Remove the reflector cover (2 screws) and turn the adjusting

knobs until the

correct position is achieved.

~: Be sure to tighten the adjusting

knob screws after adjusting the

lamp position.

9. Check uneven exposure and light

intensity. (See Copy Image Section.)

5-1-7

Adjusting Knob ‘

Adjust Ing Screw

May7 1984

5-1-8

Page 45

Scanner Drive Wire Replacement

1-6.

1. Turn off the main switch.

MaInBoard

2. Remove the platen cover, studs,

3. Remove

and the

Remove

cooling

5. Move the harnesses out of the way of the

bottom of the optics board (1 twist clamp). right (1 screw) and the main board to the

left (2 screws).

6. Loosen the wire clamp screw.

Move pos~tlon.

8. Unhook the tension spring and take off

the wire hook.

and the upper cover

the left scale (2 short screws)

exposure glass.

the rear cover (2 screws) and the

fan (2 screws and 1 connector).

Swing the optics board to the

the 2nd scanner to the return

Take OUY the old wire.

the mounting

(8 screws).

Scanner Drive pulley ~lre Clamp

Tension Spring

9. Remove the 2nd scanner drive pulley (1 Allen screw) by aligning the notch of the

pulley d~sk position sensor.

10. Position the bead of the new wire on the

groove of the 2nd scanner drive pulley and wrap the wire around the pulley with

two and half turns as shown.

11. Secure the turns of the wire on the pulley with the ‘Jclamp (or with tape).

12. Set the 2nd scanner drive pulley on the drive motor shaft as shown and t~ghten

the Allen screw on the flat side of the shaft.

?un’E: ‘

●

with the 2nd scanner home

The end of the second scanner drive pulley should be flush with the end of the motor shaft.

The 2nd scanner home position

sensor should be positioned between the short and long ends of the wire.

5-1-9

second

Drive

May 7,

1984

Long

End

Second Scanner

. . -..,

’’’---

Drive Pulley

‘...%

----

- -.

-..

‘---

.-..

‘---

“&’

5-1-1o

:A*~ati

Yi&2~b”

Long End

Second &ner ~

Home position Sensor :,:.

Page 46

13. Run the scanner drive wire over the pulleys in the follow;ng order:

1 Short end should be in lower track

(WPl). (Tape the wire on the bracket. ) 2 Long end should be in upper track (wP1) 3 Outer track (WP2)

4 Outer track (WP3)

5 Lower side (Wire Clamp)

6 Lower track (WP4) 7 Lower track (WPS) 8 Three and half turns from lower to

upper (Scanner Drive Pulley)

9 Upper track (WP5) 10 Lower track (wP6) 11 Inner track (WP3) 12 Inner track (WP7)

14. Remove the tape and pull the ends of the wire together and join them with the wire hook .

15. Push the tension pulley to the right. Take the wire off of the pulleys in

figures 2 (WP1) and 9 (WP5) of step 12, so that you can hook the tension spring easily.

16. Hook the tension spring and reposition

the wire on the pulleys in steps 2 and 9 .

.,----

.-,’

5-1-11

Wire Clamp

WP3 (2nd Scanner Pulley)

WI%

M8y7, 1984

WP6

WP2

5-1-12

WP7(Tens,oo Pulley)

Page 47

17. Remove the Q clamp.

18. Rotate the scanner drive pulley and make sure that the scanner drive wire moves smoothly and

there is no overlapping

around the scanner drive pulley.

WUI’B: Step 18 is

overlapping of the scanner drive wire occurs, A3 (11” x 17”) copies may be reduced.

Amportant!

then the trail edge of

5-1-13

May 7,1984

– Rough Adjustment of Wire Clamp Position -

Move the 2nd scanner to the right (rear

19.

view)

and position it so that

the

distance between the 2nd scanner bracket

and the inner

surface of the optical

frame 1s 52mm (2.05”).

Move the first scanner to the home

20.

posltlon and make the right edge of the

wire clamp flush with the right side of

the home Position sensor.

Tighten the screw of the clamp temporarily.

21.

Ad]ust the horizontal magnification by

22.

changing the wire clamp posltlon. (See

Horizontal Magnification Adjustment.)

Wire Clamp,

—----/,” ;

.—

—++ ‘J

~- t+ome Position Sensor

/’

W,re Clamp

hd Scanner

Bracket ‘.

‘--,

~.G6

/< ,

— ,—Y

Flush

‘=/’ ‘<

T “;

‘ ~!.”””;.

‘./’=

~ @</’-

NOTE lnner%rf~

I I

“>(

—,. —

—P

Opticai Frame

(205”)

5-1-14

Page 48

—

1-7

. Scanner Drive Motor Replacement

..-

Remove the

platen cover and the mounting

studs.

Remove the upper cover

(8 screws) and the

rear cover (2 screws).

the three scanner

Fix

as shown,

to hold the

pulleys with tape, scanner drive wire

on the pulleys.

Lift up

the scanner drive pulley

vertically and take it off from the shaft

of the scanner drive motor

(2 Allen

screws) .

Disconnect connectors and free them from

motor bracket.

Remove

the

two scanner

scanner

the

drive motor (4

the scanner

screws) .

Install a new scanner drive motor.

NO’TB: When installing the scanner drive

pulley on the motor shaft:

●

Make sure that one of the allen screws is secured squarely on the flat side of the motor

shaft.

motor

Scanner Drive

Motor

The scanner drive pulley should be flush with the ‘>nd of the

motor shaft.

8. Remove tapes and make

scanner

drive wire is correctly

positioned on the pulleys.

sure that the

5-1-15

May 7, 1984

5-1-16

Page 49

May 1, 1354

l–8. Lens Drive and 2nd Scanner Drive Motor

Replacement

Remove the platen cover and the mounting studs.

Remove the upper cover (8 screws) and the rear cover (2 screws).

Remove the left scale (2 short screws) and the exposure glass.

Remove the cooling fan (2 screws and 1 connector) .

Move the harnesses out of the way of the

bottom of the optics board (1 twist

clamp). Swing the optics board to the right (1 screw).

,,-

2nd Scanner Drwe Puliey

Disconnect the two

motors

screw) .

Move the scanner to the return position and put the Slclamp (or tape) on the 2nd scanner drive pulley.

Flx the pulley (WP1) with tape as shown.

Loosen the Allen screw on the 2nd

drive pulley and align the notch of the

disk with the 2nd scanner home position

sensor .

10.

Take off the 2nd scanner drive pulley from the motor shaft.

11.

Open the front cover and take out the

fusing unit (1 lock pin - orange).

Take out the motor

12.

13.

Remove the motor cover (1 screw) from the

motor

and remove the nylon clamp (1

assembly.

connectors of the

assembly (3 screws).

scanner

5-1-17

Motor \

Second Scanner

Drwe Motor

‘ear \ e

‘-.

4% .

‘%

Coollng Fan

M8y 7,1984

“ ‘- --’---’

Loosen the Allen screw of the motor gear

14. on the motor shaft.

from the assembly --- lens drive motor and/or screws each).

2nd scanner drive motor --- (2

Remove the motors

5-1-18

&&i!ii!i!6

‘\\

‘1.

MotorGver

Lens Drive

Motor

“&V.A

Page 50

May 7,1984

15. Install the new motor in the motor

assembly.

Make sure that the harnesses

CAUTION :

are properly positioned.

—

* When installing the motor

gear, push the gear against

the motor and then

Allen screw on

secure the

the flat

surface of the motor shaft.

When installing

scanner motor, drive gear so

rotate

that the flat

the

2nd

the

side of the shaft faces the rear of the copier.

16. Reinstall the motor assembly and reassemble the copier.

CAUTIOU: When installing the 2nd scanner

drive pulley, make sure that the

notch of the 2nd scanner drive pulley faces the right rear corner of the copier.

2nd &ner

Home?osmon%nsor

s:tt

[Rear]

[Front]

2nd Scanner

Drive Pul[eY

5-1-19

‘-

Page 51

SECTION 6

SERVICE TABLES

Page 52

.-J

Page 53

6-1. ADJUSTMENT TABLE

[COPIER]

,.oa, ,, ,-

No.

Adjustment Item

Development Roller Magnet

Angle

Doctor Gap

Adjustment Standard

1 line right of center {Move the plate to the left and then move it back.)

1.26 t 0.1 mm (0.050” t 0.004”)

ltne RIO( of Center

Doctor Gap

Plate

Nota

Magnet A@e Ad~sting Rate

No.

Toner Supply Clutch

Image Density Sensor

Adjustment Itam

Adjustment Standard

O 1 mm (0.004”)

LIw *P gauge (P/N 52059101). Grease with Mobil Temp 78

(P/N 54479078).

+4 ? 0.2 v

6-1-1

Olmm

Gao Gauge

ChamferedEnd

Toner Supply Roller Drwe Sprocket

E rlnq

.“

DqItaI

Multlrneter

r-—a I

:1Ilon

6-1-2

pyz~

A-’

I Po51twe Probe

Page 54

.—— — .. ----

—

——.

.- e..-,.- -.

.—.

No.

Adjustment Item

Feed Clutches

Pressure Springs

(Fusing Unit)

0.1 mm (0.004”) Use

Lock nut should be flush with the end of the adjusting screw.

[Nip Band Width]

Adjustment Smndard

gaP @u@ (P/N 52059101).

Center: 5.6 t 0.4 mm (0.22” t 0.02”)

Side to Side: Less than 0.4 mm

(0.02”)

E-ring

%il

W.NiOBandWii

GWI Gauw

PmSure Spring

4 P-Ir9 I mw.r =

Nota

M@sting COh

Gap

Gauge

(Mar

,-“\

6-1-3

No. Adjustment ham Adjustment Standard

Thermistor Gap

Thermofuse Position As far away from the hot roller as possible.

0.5 ~ 0.15 mnl (0.02” * O.CMX”’)

Adjustiw ScfUW

ThermistorBad

Thermistor

6-14

M Rdlar

‘J

Page 55

No.

Acijuatment Item

Oil End Sensor Contacts the bottom of the oil thank.

Adjustment Standerd

Note

Metal Cvlmder

Pressure Roller Stripper

No.

1 nverter Return Solenoid

Adjustment Item

Pull each stripper down against the guide

bracket.

6-1-5

Adjustment Standerd

—

Solenoid Lever Gap –

1.5 f 0.2 mm (0.059” f 0.008”)

—

SoIenod Stroke Gap –

2.2 t 0.3 mm (0.047” ~ 0.012”)

‘b

%-r

/’

Lower Fusing Ex(t

Guide Bracket

Invener Prmure Roller

‘\

-- _-

Note

1 5mm

,—

slot cut

O’II Tank

Pressure Roller Stnciper

Guide Bracket

\ —--- L

.—

.——.

Inverter Pressure Rdl& Lever

se! Screw (Allen screw)

~ %leno,d I_evpr

Inveflw SUPPOR Roller

clutch

0.1 mm (0.004”) U= *P gMJge (P/N 52059101).

Clutch Gear ,

clutch Slopper

‘Add ‘“

rlw?l

1 L

Adpstlng Screw

Gap Gauge

‘-.

t’

‘ Inverter Return

SoIenod

Gag Gauty

Lock Collar

Page 56

,.-, ,, ,-

No.

AdbtnlaltMan

Dupbx pickwP Solanoii

Duplex Stopper Solenoid

matma?t St8ndwd

1.6 f 0.5 mm (0.07” t 0.02”) Unhook the spring on the duplex stopper 5olenoid pluqpr and insert the plunger into the solenoid. Then adjuat.

Press the solenoid fully to the left.

Duplex Stopper Solenoid

-%-

Mounting Screw

1.8tO.Srnm

(0.07” t 0.02’”)

-up

May 7, 1W4

No.

Mjustment

Duplex Positioning Solenoid

ham

JoggtrHome Position

61-7

Poaition thereuand front jowarfencea8s shown in the f~m. Mova the aenaor toward the actuator phl until the LED on the sanaor chacker turns off . Movethe sensor away fromthaactuator plate until the LED just Ii@.

At this point ti@ten the adjusting screw.

5 ? o.5nm (0.20 f 0.02”)

-r Home

Po6itlon

Duplex StopperSolenoid

Mounting

screw

61-8

Sensor C2nxker

L- J?=-

-t-’

5VTest P!n

Page 57

MO.

Mju8tmmtham

Corona Currant

Charge

Optimum

DC+57.7 tO.1 @ (Turn on SW on the witching board.)

MjustingVdua

Transfer Corona Current

DC+17.7t0.3LLA (Turn on SW3 on the switching board.)

Drum shoa

Erm hp

●

MultiMate

Unit

May 7, 1984

No.

Adjustment

Separation Corona Current

Pre-Claaning Corona Currant

Itam

&l-g

optimum Mjusting Vdua

AC 43.1 * 0.4 PA

DC –2.2 t 0.3 AA (Turn on SW 4 on the switching board.)

Dc+17.5io.3JlA

(Turn on SW5 on the switching board.)

Eraw bmp

Umt

“&*-

timetef

sed

61-10

Page 58

No.

Horizorttal Magnifmtion (ROUGH Adjustment)

Adjustment ham

Adjustment standard

Distance between the 2nd scannar bracket and the inner surface of the optical frame: 52 mm (2.05”)

The right edge of the wire clamp should be flush with the ri*t side of the home posi-

l— ~

‘+

Wire (lamp

2nd Sanner I

Bracket

Wire clamp

\\ .- “’4/’”’- “

/ ./?

. .

FlustI

Home Rxiticm m

NOTE: Inner SUrfa

-: ; \ :2~#,

— –L

u. =’

;

OptIc4 Frame

-.\

——

Horizontal Magnif~tion (FINE Adjustment)

No.

Light Intensity

Adjustnwmt Item

t 0.5% (Full size) Move the wire clamp position with checking copy image.

6-1-11

1. Level 2 of the gray scale on

theOS-A3

chart should be li#rtly visible on the copy when 2nd level of the density control is selected.

2. Background of the COPY should be sli#ttIy dirty when the Ist level of the density

control isselected.

“ Make a test coPv without the repeat com-

pensation of the bias voltage.

Lamp Re@ator

I Smaller I

Wire aamp

1st

Scanner

6-1-12

.UOd

Page 59

[IX3WWWFEEDER]

No.

Beft Unit Level

Mjuatnnmthorn

MjustmentStandard

Front Side Gap betwaen the nylon spacer and the exposure glass: 0.16 mm (0.006”)

Rear Side Distance between the pressure suppon bracket and the exposure glass:

15.5 t 0.5 mm (0.61” f 0,02”)

Left We Magnet

‘\

‘h

‘iii—

RIOI Sde Ma(peI

N)rIon

Spacer

~ o.16mnl [0.006”)

Exposure GIas

u=z-

PrWre RrYler SupporK

8rxket

15.5 f05mm

(0.61 “)

Original Stopper Solenoid

No.

Mjustment Item

Break Pressure Spring

“ Hei@t above the original feed table:

8 mm – 12 mm (0.31” – 0.47”)

● Depth below the original feed table:

3 mm – 6 mm (0.12” – 0.24”)

6-1-13

Adjustment Standard

14 mm -15 mm (0.55” – 0.59”)

(031 –0.47 )

(I)

14mm - I%nm

(o 55”-0 59”)

a-’2mrnw7-

3–6mm

1’” – 0.24”)

,=!5+-4

-“-

“.

‘

. .

Note

y“ ,/

‘2

● 4

:. ,

-Q? ‘“

Solen~d

Onglnai Feed Table

Orlgmal Stopper

-~j

Lift Switch

Lift switch is dwctuated when the distance

between the exposure giasaand the feed belt

(front side) is 16 mm -30 mm

(0.63” – 1.18”’).

WI ~

Brake Prmsure ~rtng

L.-J

1-,fl SW! tch

, - ++q

Page 60

OF Rqiatnth Adjuatwmt

No.

- Praadjustrnant for

A3 Original -

Chanfcopy

Adiuatmant WdaWWta

-2. 4

I I

-\,,

To faad in, dapresa “Auto

ReducelEnbr#” key.

To fead out, depress “Auto ~ Sebct” kay.

– Adjustment for

Haavy/Li~t Originals –

A3 Haavv Chart

A3 ~ Chart

ihii!!

—ow —

DIP SW101

[Original Counter]

Heavy C Ll@t

6-1-15

l“]

Ix!!!El

N“kf!!!i

EEl

Heavy > L@t

OF Main Board

Preadjustwwnt Ran=

) F=q

—

‘

No.

– Adjustment for

Make copies using the DF.

– Adjustment for

Make copies in platen mode

with flip scale and in D_Fmode

Procadura

Lar@rnalI Originats -

Pbten/DF Mode –

Chart/copy

AJ Tast Chan

(Either heavy or

Ii@t)

&5 Test Chan

Any Test Chart

ON:

OFF: 2,3,4

UWIR

—06f —

DIP SW101

[Lead Ed~ Registration]

1’

OF > PLATEN

I I I

MhntmantStandardmota

A3 > A5

II I

OF < PLATEN

A3 < A5

A3 = A5

PLATEN

3F = PLATEN

L-

6-1-16

‘.>

Page 61

6-2. DIP SWITCH TABLE

DIP SWITCH ( LEFT

INNER COVER)

?.L?!!z.._-

Function

1 ‘G Drum

Condlt]orung

off

3on

——. .

off

4 on ‘-

-————. - ——-——— —

off Count Up To enable quantsty completed counter to count up from

: Normal Mode

Auto Reset Eh.sable

Auto Reset

. ———

Auto Reset 3 Mm To specsfy 3 nunutes as the Auto Reset 1 MI. To speafy 1 mmute as the automat]c reset tune. Count Dowrt To

5 on ‘-—–No Auto Cassette

sh.lft

off

Auto Casaette When the sekcted cassette runs out of paper, the copier wdl Shift

6 Ilrt Beeper On

, off

Beeper Off

prepare the drum surfaa for copying

To turn off Auto reset

To emble the copier to automatdly reset aIJ its settsngs and

modes to normal status after a specified tme Reproduction RAtIo

automatic reset tune.

enable quantity completed counter to count down Enter 5 copses

to zero

zero.

shift to the other cassette if the other cassette has the same

paper am and dirc~on.

To turn on beeper To

turn off beeper

● After uistalJatson of a new drum.

● occurrence of afightcopy image.

● Occurrenceof vertical black lines.

~Normal Status

Note

Quantity Entered Quantity Compkted sorter OFF Document Feeder Special Functmns

press the PMt key Quntsty

Compkced&splays

5,4, 3,2,1,0 Emter 5 coptss

Ress the Print key

Compkted dqda~.

@rtUty

0,1, 2,3,4, s.

FUIJ sue

,. .,

OFF

OFF OFF

May 7,

1984

DIP SWITCH 101 (MAIN BOARD)

!’ii:!?. . --

,lrl

off on No Mtsfccd

, - Normal Mode -

off -

& + Idk Run On “

——..

off

——

5 1Must be

Free Run

NormaJ Mode

Detect ton

Idle Run Off To d:sabk warm up cyck . To check the drum current

~oIn

—+-

~_Normal Mode To dssablc cotn lock operat]on.

6 7

~on

80n Image Derrsllv

—. . —— – ———-—

off

ID Sensor

1 LED On

NorrnaJ Mode

Auto Reset

NO Image Denssty To clear Image density auto reset Auto Rewt

–– --- — .—-..--:--

—-

—— —————

‘bck “-To selectcoin lock operattorr

_.—. —

6-2-1

To enable the copter to run wrthout paper

To ckar mssfeed detectton

-—

——

—. ——

To Idle machtne for 30 scmrds at 170”C to warm up fusing ass”y

enable warm up cycle

The ID sensor LED conturues to lsght

To return the Image density

reset

—— —.—.

————.~. -— —. -—

to setting (4) during automatic

● To check and adprst ID sensor

—-—~——————

● To check operatronwthout paper

● TO Judge whether a mrsfeed n

caused by a defectwc misfeed sensor

L.———– –——– ——

;

—. —–— --

. Afler mstallatson of

Unst

● To adp’t the ID sensor

—4

—

— -—-----l

—

theCowslock

—

-– ~—-

Regsstratson Sensor

Fussng Sensor

Paper Exit ScnmI lnverter Sensor

Fork Gate Sensor

Dupkx Entrance Sensor

———— ————

—-——–-—-

.—— ——

Note

——

6-2-2

Page 62

DIP SWITCH 102 (MAIN BOARD)

No.

On/Ou

1 on Fii supply Toaddatixtd

off

2 on

off

See

chart for

combination

-i-

required

5 on Iighter (Toner

off

6 on

Moat k

8 off

ttu~ 30, 19B4

Mode determined by the combinati of DIP SW 102-3 and 4.

Detectsupply

Mode ID Sensor

Monitor

I NormalMode

-- I

Density) ; denait y check cycle, the sensor pattern is developed at the

Darker (Toner To increase the toner density on the copies during tlK image ]

‘ Density) ~ density check C@, the rensor parttern is developed at the [

To enabk automatic toner density supply. Amount is determined by the combination of DIP SW 102-3 and 4.

To diSphy the Potentiak of V= and V~P via hexadc&mk in the Quantity Entered and the Quantity Compkted counter respectively.

Freed Supply Mode

/To&crease thetoner density ortthecopies during theirnage I

2nd retting (lower bias).

I 5th setting (higher bias).

Fgnujoo

amount of toner at avery copy cyck which is.

Detect Supply Mode

6-2-3

● when supply system faih.

. To judge

wbther abnormal toner

dcnsityhabeen cauaedbyv=

and V~p or not. (See Image

- Sensor Check Section.)

. . .

.4”

‘MectSupplyMode20% iafact.ory

setting.

If Both5and6arc ONor OFF

-?4tixwfubeadectad.

DIP SWITCH 301 (OPTICS BOARD)

DIP SWITCH 302 (OPTICS BOARD)

No Odoff

Ion

‘ off

~ Must be 3 off 4( 5

ple~~ *

1 chart

combma-

Optics Free Run

I Normal Mode

Uading EdW

for ~Erase

lToti

tmn

required

. To adjust the kading edge erase

xanrurdrivc rnotor~.

600001111 7001-10011 8010 ~0101

.—+

##p

0.8 mmlsw

——.—.

10 Tociwx&xmuur

-*===-).

. Leadrngedgeeraseis out of

standard.

Afterrepiacirrgqxksboard.

opratkm (after

Adjwtmeat standud4flmm

! fO.J6’” * 0.04’’)(fuO aizr; .

Page 63

6-3. DEFECTIVE SENSOR TABLE

No.

I 1 ! Scanner Home Posltmn

Overrun

3 Lens Home Powtmn

] 2nd Scanner H P

~-—- -—

~ Toner End

GOwr L,h —

7 Uppw/Lower Paper Size

Upper/Lower Paper Volume

Upper/Lower Paper End

By-pass

.— —

——.

~ied

12 Imqp DerrsIty

Inverter

15 :

16 ~ Fork Gate

lx--LQ-En’ra” —

J-r Home Pcmtmn

19 ~ Duplex Paper

011 End Sensor

——-

——

—

—— --—— -—

M8y7, 1964

Mlrn Svmpt’oms

I I I

IS displayedduring copy cycle

! ““2d”

“22” IS dkplayed No effect

Lensdrwesto reductmn ●nd “28” ISd@a@

2nd scanner drive pulley rotates ciockwwe for 0.3 sec

and “2A” ISdasplayed. No toner

end detectmn and poor copy CNIalIW are

Obsenred. Lift motor overdrwes feed fse@t for 20 sec and “41”

ISdisplayti, Wrong paper size is dtsplayed. Lift motor on, when no

cassette is Inserted.

~nt of volume display IS blank. Add Paper indicator is

constantly dtsplayed.

By-passmodeISalways wlected.

Mtsfeeds occur aher paper feed.

toner supplled (abnormal)

t—

Qmstant false mlsfeeds occur during copy cycle

Constant false m!sfeeds occar during COPY cycle

False m!sfeeds occur durtng duplex. Mtsfeeds occur

False mlsfeeds occur during duplex.

J-r fences move to inter and “81” IS d@ayed at povmr on.

Machine WIII not register the entrance of paper to the duplex tray and It WIII not feed the second stale

WIII not detect low 011 conditmn. Damage to hot roller ~

—

“2d” ISdsplayed ●fter power on

Lensdrwesto errlar~t and “28” ISdqlayed.

2nd scanner drive pulley overshoots H P counterclock

Wiseand‘%” Isdlsdayed

Frewmt toner end

No lIti motor

Wrong paper

Itft motor is always off.

%~ent of voJume d@shy IS ●lways on

size IS dlspiayad and If all fwe are sh~ed,

paper end detection

No bypass mode

Mmfeeds occur No toner IS supplied (abnormal) Mlsfeeds ocar al power on Misfeeds ocxur at power on

MIsfeeds occur False misfeeds occur during duplex Jogger f~ move to outsIde ●nd “81” IS d,splayed

●t power on

Second ongnal blinks at power on

Add 011 indmtor IS d@ayed constantly

●t power on

at power on

&3-1

Page 64

.—. ——.

——

SELF-OIAGNOSllC~O=

S-4.

main switdr is turned tm, ““11””diiys

MdsJnction in the exposure lamp circuit: L@ts

if the lamp filament opens or if the lamp turns on

duringstmd4sy. CN701-5

-T’’zse’m” ‘ieh--i’iO”

21 Medlanical rndfumtifm in the

power up, li@sts if the servomotor rotates for more ttm 1024 encoder pulses but the home position sensor is not actuated. Also in copy cycle, if the

motor is tummg and the home position

-nar

sensoris&-actuated Md

Scanner overrun: Li@ts if the overrun sensor IS

aCtUJtd

23 I No Ra@st Start Sigwi: Li~ts when the rnam Scanner moves approx. 112 of the way then ‘“23”

~r drive: At

StWS dS-SCtUatSd.

~ board does not receive the registration stafl

siqal from the opttcs board 2.7 seconds after

the 1ssscannerhasstared to move.

! No Home Positron Sigal to Main 6oard; LI@rts If ~ Scanner operates normally. But “24” displays in

~ the main board doas not receive H .P. sigral from ~ 20 seconds.

optics board 20sec after the sewomotor sta~.

Lam +f.P. Sanaor rmt actuated: Liita if Whan tha

‘i

bna ia rnovrng toward

●t a low signal level longer than 3.7 aawnda.

stays

mductiom tho H.P. se-

Whenthe

within 1 second.

The lamp remainslit when the scannerreturns to

At power up - the scmner is out of home position. Mechanical During copy cycfe - the scanner left home d than stops.

} NOTE: In this case it can be assumed dwt the

home sensor and the servomotor are working

propedy. see

( The ~rrer is at the extreme right end of its travel

●’27 isdisplayad at povverucrwtren the-nor ~ AIO always +5V DC, shcw@d ovormn

I or

I ishorna.

“2d”.

displays. CNlm.

1) The lens always moves toward enlarymerst ●

power up and, If at ready condition, when reproduction ratio is changed.

2) The lens

IS to the r@rt of the H.P. sensa and

the lens motor does not turn on.

———.——

I hismmw

EXPtsaura lamp. m, 0002, Iunls

n?@8tor, CN701.3 mnatant 1-, ,,

constmt l-, main bomi

Lamp Reqpslator

driw? IwIley Allen scruws.

I optics board, main board -

!~ I

Opt@ board, main board CN304 and

- scanner cable, ~rtrbar

, CN106 and CN304, main board, optws

board.

Machanicd bind or 100ss set =raw,

I shorted H.P. sensor, short at CN84A,

84, 302. oP’ics control bowtf, lasts drive motor, CN302, ~.

Wy 7,19s4

CN102-

641

May7, 19s4

ode Oafinition

~ I bna H.P.

2A ~ 2nd Scanner H.P. sensor not actuated: LI@ts

when the 2nd scanner H.P. sensor is not actuatad within 0.3 seconds after the 2nd scanner motor IS turned on.

~-- ‘Yd”notmove 2b 2nd

when the 2nd scanner H.P. sensor remains -atad for 3 seconds after the 2nd scanner motor seeks home position.

~ stays acuratod:Lightsif the brie

H.P. aenaor stays ●ta high dgnal bvel longer tf’mrs3 1 seconds whsn the lane u movmg towards enlarge

ment.

Scanner H.P. sensor stays actuated Li@rts ,

1) The lens always moves toward reduction at

power up and, If at ready condition, when opened H.P. sensor or c!rcwt - CN reproducoon ratio IScharr~.

I 2) The lens IS to the left of the H.P sensor and the ,

lens motor does not turn on.

The 2nd ~nner drive pulley has rotatad

I clockwise out of home position at power up.

If main svwtch IS turned off and on, the drwe

pulley cormmues m the clockwise dwectmn.

2) The 2nd scanner drwe pulley has rotated counterclockwlsa so that the notch IS under the

home sensor and Men main switds on, the

At pcwer up, the 2nd scanner drwe pulley has

I 11

rotated C.C. W. past tie H.P. sensor If mam SW. motor failure, optms board offhn, the 2nd scanner motor makes now for

3 seconds, or the pulley move at

power up.

ois~ion

————— —— -- ——

IS home but doas not

Pointsto Chock

Mechanical bind or loose set screw,

WA, M, 302, optict board, lens drive motor, CN302, 88.

Shorted H.P. sensor or circrmt, drive motor fatlure, optms board.

Opened H.P. sensor or circuit,

—

drwe

Scanner drive encoder output too hl~: Lights If

the encoder output IS faster than 0.2Sm seconds.

2) Reduction or enlargement can be sebcted but when full size IS selected the drwe pulley over shoots the home sensor or does not mwe C.C.W. at all.

The scanner moves faster than normal (this may be dlfftcult to observe but any copws made WIII be ,

redua?d)

642

—

optics Board.

Page 65

2tf

I S3nrw cfnveencoderoutputIS toodow LIt#rts

when the output of the encoder IS slower than

seconds

123m

Upper paper lift sensor

the Iffl sensor falls to go low within 20 seconds after the upper

Lowar paper hft sarrsor stavs actuated Lights d the

Ml sansor falls m go low bwer lift motor turns on.

.—— —

52 ?%ermofuse Blown LIr#rts If the therrnofuse

53 Thermistor

———

clrcult opens

istor opens or the Fusing Thermistor opens/shorts.

—-

Failure L@rts if the Drum Therm.

stays actuated Lights If With power on. when the upper cassette IS Inserted Mechanical bind tn cassette or lift

Itfl motor turns on

wIthm 20 saconds after the

Pomtstoti

~ 1) At poww up, the scanner overdrives home pow

tlon.

2) During cow cycle, the scanner starts a little and stops.

3) The scanner leaves home but overdrives hrxne In return.

4) The scanner does not move at all

The lift motor turns on but the paper does not sector gear, open Itfl sensor or circuit.

Ilft.

b) The lift motor, does not turn on but a @per

size IS displayed on the control panel

See Code “41”

Immed)ate “52” at power on.

Immedate “53” at power on or “53” atier

15 minutes – overheat

1010

Machamcal bmd m scanner drwe

system, scanner H P sensor shored or

O@rfted, Sefvomotof errcoder shorts or open csrcwts, optIcs board

mechamsm, lift gear does not en-

‘ W lift motor, paper feed board

...—

Opened at CN14, CN6B, therrmofuse,

CN102.A4 main board

Rewstmrce across thermistor for open, j open CN14, 68, 502.3, 5, 6 or 7. CN22, erase lamp P C B . temp control board, temp control board CN5013 constaod hi@, AC drive

Shorwd

board– tmc

643

Aug. 30, 1984

~lnction ~loa PoimS to

No Ready St@ LI@tts If the ready sI@ IS not

r~wed w@rm 8 mwrutes of power up

61 Functional Drive LI@ts If the CPU does not W?sen Print Key IS depressed there IS no machme

recmve a tlmmg pulse for 1 5 secomis during copy cvcle the mam motor turns but “61 ‘“ ISd!splayd

81 Jogger H P sensor stays actuated or de.actuated

LI@ts If the pgg?r home sensor does not go low

or hv$r 6 2sec after the j-r motor turns on

(50700nly)

91 Total Counter Malfunction LI@ts lf the total

counter fads

—.. *.— -—–——

Optics/Mam Board Malfunctmn

.—. —.— —

—–—~

Fusing lamp not on or fusmq lamp lI@ts but 8

mmutes later - no ready beeper and “~” tfispiays.

actIvIW except scanner, or *n print IS pressed,

1) At power on, the jogger fences do not vibrate (check H. P.)

2) When “81” IS displayed. the }-r fen= are either all the wav

—— --

Total counter does not cl~k during c- cycle

“93” dtsplavs during C- cycte

m or all the ww out

———

Opened

fusing lamp, AC drwe board,

tamp control board, mam

●t CN68,

CN604, CN601 .

does not go low, CN102A14 does not * low.

RA.1 contacts opened. main motor or capamtor. AC drwe board, mam board, pulse generator. opened CN71. ~ 601, CN19, CN102A22123IB23 CN101-B17.

Joqp H.P sensor opened or *oftecf CN33 opened fcrg#r motof CN32

, opmecf,

(FT5050 rnarn board mstailed In

FT5070 Wlil C~5e this d@ay)

Total countrr, CN47, CN102A3/B 13

‘“r

~~ masn or optIcs board

RA.1 termmd, CN602,

mar n board problem

CNIO1

board, open

CN501 , CN6029

Page 66

—

——

....

-.*

..&

‘ U&

Page 67

PREVENTIVE MAINTENANCE SCHEDULE

Corona Units

Corona wires . . . . .

End blocks 6 :as>ngs . ( ) CL~

Klre cleaner . . .

Optics

Mirrors.

tors,

glass, sensor pattern

Exposure lamp . . . .

Exposure

Il.

Scanner guxde rod

and place . . . . .

Guide rod felt . . . .

Lens drive screw

shaft . . . . . . . .

Devolopmont Unit

Developer . . . . . .

Seals . . . . . . . .

Development unlc

guxde . . . . . . . .

Suction duct . . - . . ( ) CLN

Development f~~ter . .

Toner suppiy clutch .

Chanlng Un/t

Cleaning brush . . . .

Cleaning seals . - . .

Cleanlng unl: housl~g

P>ck-off pavls . . . . ( CLN

Blade scraper . . .

lens reflec-

toner shield

glass . . .

RICOH FT5050/5070/DF32

P.M. SERVICE KEY

CK = CHECK LUB CLN =

( ) CK:CLN ( ) REPL.

( ) CLN ( ) CLN Clean vlsoft cloth, alcohol

( )

CLEAN REPL = REPLACE

—

6 OK

( ) CLN

REPL. Pg.5-lo-l

( )

60K 120K

CN OCLN Clean with alcohol then water.

( )

CLN/LUB

( ) LUB. Lubricate v/launa or

OCLN

—

OCLN ( ) CLN

C’LN

( )

—

60K

( ) REPL.

OCLN

( ) C’LN

( ) REPL.

60K

( ) REPL.

OCLN

OCLN ( ) CLN

= LUBRICATE ADJ = ADJUST

l~OK

( ) REPL. Pg.5-l-5 check lamp position

l~oK

( ) CLN/LLB ?g.5-:- 10 Iubrlcate w mobll :emP.

l~oK

SERVICE WUAL REF. 6 SPECIAL NOTES

Pg.5-10-l

Pg. 5-10-l clean v/soft

SERVICE

then water.

adjustment. Do not touch

Lubricate w/launa or oil.

011. Clean v/dry cloth. DO NOT lubricate.

SERVICE MANUAL REF.6 SPECIAL NOTES

Pg.5-2-2 dispose of

accordance w/local regulations.

Vacuum Clean wlsoft dry cloth

Pg.5-2-7

dry clo:h.

?g.5-:-7

78.

SERVICE MAWAL REF. 6 SPECIAL NOTES

Pg.5-3-2 dust wse:rlng powder.

Vacuum

Vacuum :horoughly. ?g.5-3-5 ?g.5-3-3

clean w/alcohol & soft cloth.

MANUALREF. 6 SPECIAL NOTES

equivalent

●quivalent

developer ~n

vacuum or clean Vlsoft

replace If necessary.

dry clcch.

w/fingers

Paper Transport

B. c.

E. F.

feed :oller . .

Paper ?>ck-up Sepazatlon ro:ler . ( ) CLN

Sllp clu:ch

Reglstraclon rcl:er

L~ft motor worn gear

and vheel . . . .

Paper

:asserte bo:tom plate

pad . . . . . . .. .

Transport rcllers . ( ) CLN

roller . . .

feed sensor . .

Fus/ngUnlt

HoK roller . . . . . .

Pressure roller .

Scr>pper pa~’ls. . . ( ) CLN 0~1 supply pad . . .

IM 60K

—

( ) SW ( ) REPL.

( ) C2N

( ) REPL.

REFFL.

( )

CL~/LUB

( )

Cui

CIJN/LUB

( )

( ) CLN

OCLN

—

60K

OCLN

OCLN ( ) REPL.

C’LN

( ) ( ) REPL.

:~~K

120K SERVICE .MANUALREF. & SPECLAL NOTES

( ) REPL. Pg.5-7-5 be careful not co damage

SERVICE $!WUAL REF. & SPECIAL NOTES

Pg.5-5-l clean vlvater. Pg.5-5-l clean v/water. ?g.5-5-2 clean v/water,

3 holes

:emp. 78. ?g.5-5-2 lubrlcace wlmobll :emp.

78. Ciean w’alcohol . Pg.5-5-4 lubr~ca:e v:mob~l temp.

78. Pg.5-5-8 clean v;soft clc:h or blover brush.

Clean v/alcohol

Clean v/alcohol and vater

chenniscor. Pg.5-7-7 check pressure spring adjustment Pg .5-7-6. Pg.5-7-8 replace lf necessary. Pg.5-7-3 pruue v~ch s~l~cone OL1.

of clutch hub w/mobzl

and vater.

lube :he

CONTINUEV. ..-

Rtav ~-~-f?

Page 68

—————.— . —

——

Cleaningpad . . . . . . . ( ) REPL.

Oil blade . . . . . . . . .

F. .

“.

Oil sump . . . . . . . . .

Oil tank . . . . . . . . .

Fusing entrance

exit guide . . . . . . . .

fhfp/ox(FT6070 Onty)

Duplextransportbelts . .

Inverter support roller . . ( ) R&PL. Pg.5-8-3 adjust support roller

B. .

Positioning roller . .

drive belt Positioning roller. .

D. E.

F. G.

!). ~.

“. Ii.

1. J. K.

slip clutch. .

kplSX

Pick-uproller.. . .

Separation rollex . .

Feed roller . . . . .

Miscellaneous

S. drum & cleaningblade Pre-transfer

Quenchinglamp . .

Erase lamp unit. . Lamp filters . . .

Dwelopment drive. chain ?taindrive chain . Vacuum fan filter ‘Ait relay rollers

Bushings . . . . .

Image density sensor

9. OF-32

A.Belt . . . . , . . .

B. Pick-up-roller. . . .

C. Feed roller . . . . .

D. Friction roller . . .

E. Sensors . . . . . . .

and

lamp . . .

. . .

OCLN

OCLN ( ) REPL. Pg.5-9-2 clean wlwater. OCLN

OCLN

—

CLN

.() .

. . . .

()

m 60K 12(3K

—

OCLN — OCLN

OCLN OCLN OCLN

OCLN

60K _120K

OCLN

OR EPL. Pg.5-7-3 after clemtlng or

OCLN

OCLN Clean w/alcohol or water.

OCLN

( )

REPL. Pg.5-9-l

CLN/LUB Pg.5-9-3 lubrlcate wlmob~l tamp

( )

120K

( ) REPL.

( ) REP10. Pg.5-9-3cleanv/water;lube

REPL.

( )

60K 120K

( ) CK/CLN OCLN

OCLN

OCLN OCLN

( ) =L.

OCLN

LL?B Lubricate vllauna or equiv. oti.

()

LUB

()

CLN

()

CLN/LUB

OCLN

SERVICE XANUALREF. & SPECIAL NOTES

Pg.5-7-2

replacement, prime wlstiicone oil.

v/pipette.

Clean

SERVICE MANUALREF. 6 SPECXAL NOTES

Pg.5-8-8cleanw/water.

clutch Pg.5-8-4.

Pg.5-9-lcleanw/water.

78.

Pg.5-9-2

SERVICEMANUAL

Pg. 5-3-1 replete ●s necesm~ ●s ● eet W duet w/

sett~mgptwdcr (eusgesced

Pg.5-4-2cleanwlsoft dry cloth.

Discharge before installation b

replace when

Pg.5-4-3clean

Discharge before installation h

replace when necessary.

clutchhub w/mobll tamp78. cleanwlwater.

REF. 6 SPECIAL NOTES

Rlcoh - Car@ Procedure).

necessary.

wlsoft dry cloth.

Cleanwith soft dry cloth.

?g.5-4-l clean vlsoft dry

Lubricate wllauna or equiv. oil.

Clean wlalcohol or water. ‘Lubricatevllauna or equiv. ofi.

5-2-14& 16 cleanwlsoft,dry cloth

Pg.

o; blowerbrush;adjustif necessary.

SERVICEWUAL

REF. b SPECXAL NOTES

Cleanv/Ricoh belt cleaner.

Clean vfvater. Clean vfvater. Clean vlwater.

Cleanvlsofcdry clothor blowerbrush.

the 3 holes of

cloth.

10. Final Check

Machine operation (all modes)

( )

( ) copy quality

( )

Registration (machine 6 D.F.) Pg. 5-11-1 6 8-3-1

11.P.At Coa?plot/on

( ) Install all covers and clean exterior of copier

UpdateP.!’l.label

( )

( ) Completeinformationbelow

CUSTOMER NAME

CUSTOMER ADDRESS

MACHINE S/N

TECHNICAL REPRESENTATIVE

CUSTOMER’S SIGNATURE

DATE

METER READING

‘-U#

Page 69

8-8. SPECIAL TOOLS

No.

1 2 52059101 Gap Gauge – 0.1 mm 3

-—— ——— ——— .— - ——— _ 5

7 8 9

10 11 12 5447X)78 Heat Resisting Grease MT-78 13 14

“ Regarding Item No. 1 ,2,3, and 4 detailed explanation is given on the following table.

Spatial Took Exdusivaly Usad for FT for FT505(V5070

No.

PART NUM9ER

52059801

52059111

520696CNI Sensor Chacker

54429101

54429106

54209504 54209505 54209507 54209508 54209550

5420954)2 54429103

PART NUMBER

52059601

DESCRIPTION

Switching Board

omega clamp

——— ___ ——— ___ ___ ___ _

Setting Powder Drum Shoe Therrno Meter Probe Digital Multimeter Test Lead Kit

Silicone Oil

Test Chart OS-A3 Launa Oil

DESCRIPTION

Switching Board . . . . . . Used for measuring

corona current

This board must be used with drum shoe

(P/N 54429106) which was used for FT~ series and FT30CM series. However, it is not nec~ry to use adapter.

REMARKS

Exclusivelyused for FT5050/5070

___ ___ ___ ___ ___ ___ ___ ____

Common with previous models

Main Board

NOTE

Aug.30,1964

No.

PART NUMBER

52059101

52059111

6-6-1

DESCRIPTION

GapGauge – 0.1 mm

Used for adjusting clearance between

magnetic clutch and collar.

M~etlc Clutch

$2 (Omega) Clamp

Used for holding scanner wire on 2nd

scanner drive pulley when removing or installing pulley when ramoving or installing pulley on i~ original position.

Gap’Gauge

Collar

%wtch!ng hard

(52059601)

GapGaug

(52059101 )

Q clamp (52059111)

NOTE

,/ ~~

6-6-2

Page 70

—

————

—

.—.

..—.

‘-%,

‘-4

.n#

Page 71

SECTION 7

TROUBLESHOOTING

Page 72

—

Page 73

1-1. White Copy

‘+Z=+==7

Charge current is not induced.

Due to BCP P.P.

H.V. Lead Wire,

current is not applied on the Drum surface.

failure,

or broken

poor contact of

wire, charge

~~~rt~a~~~$%y overload, Development Roller

May 7,1984

image is not transfered to the paper.

Copy Due to T\S P.P. failure, poor contact of

H.V. Lead Wire, not transfered to the paper.

* When T/S P.P.

visible i::::vweirlla pear on the copy

?~~~~~, no image w’i11 appear.

Development Roller is not turning.

is not turning.

* Lead edge may be dirty.

or broken wire copy image is

is failed, slightly

w~en BCP P.P. ,S

ing of roller or broken Drive

7-1-1

2 Ouck CNIO1-All (5to OV]

3 Chock CN35.1 (24V[VPI}

4 CfuckCN3~14 [GNDI

2 Chock CNI01.A12[5to OV] I

===+

5 Ch8ckTtSoutout

ltR====d

1-2. Dirty Background - 1

1. Charge Wire becomes dirty. If charge wire

is increased due to thick diameter of wire. Contrary to the previous models, the dirt Background will appear. series.

Dirty mirrors and toner shield glass.

mirrors

If contaminated, by shifting repro uctlon

2-1.

Toner shield glass is contaminated b too hi h image density or scattere%3 toner w en inlet seal is deformed.

2-2. Mirrors and Ex

contaminated by 01

Image

If image den~;~~dies ttohoehigh, ,toner will, be scattered

contamination of toner sh~~~~’l;a’ss,c;;;~;~

sensor and transfer charge wire.

Seals are stripped off from Dev. Unit. If seals are stri ped off, or todnueer1s

accumulated insufficient

scattered.

5. Intensity of exposure light is too weak. Due to deterioration of Exposure Lamp or too

causing

Density is too high.

low output voltage of Lam

‘ntens’%irYj ~Z%~~ZZni>ght ‘comes ‘eak’

is contaminated, Drum current

Same with FT-400

in?a{~ p~t!’t;;nl~i 11 l<es ~ha~~e~

absorption, toner

ratio.

osure

“f.

?deve oper filter to

Glass

Regulator,

will be

are

,.”1-

712

Page 74

————

,.-.

Dirty

Background - 2

6. Doctor Gap is too wide. If Doctor Gap is too wide, dirty background

will

solid COp ,icarrier of developer will be transfere

Deterioration of the Drum If the Drum has deteriorated, image density

will increase,

appear. And also when making black

to the Drum.

causing dirty background.

8. Deterioration of the Developer If the Developer has deteriorated, image

density background.

will decrease,

causing dirty

‘-

RaglJc. I)rlml

[ ,.

May 7,1984

1-3. Uneven Image Density

Uneven Charge current When makin

density wi ? :ig:::::d&2pz6; z::nt?:z: contaminated wire, or uneven mounting height of wire.

regardless of reproduction ratio.

Contaminated Mirrors and Exposure Glass

Uneven image will a pear on the non image

area due to the con aminated mirrors and

glass:

according to reproduction ratio.

Deterioration of lamp or not incorrectly

aligned filament.

● If image pattern is not changed in any

reproduction ratio, reason for that.

Copied pattern will not be changed

Copied pattern will be changed

there

will be another

7-1-3

ClanChsrpW9ce

2 (%er.kwwemount,fw

1 Cleanfhemwrom. Lens

● nd EvosureGbss

‘L-

r=’

7-14

Page 75

1-4. Vertical Black Line - 1

1. Black stripe appears at the rear side of copy .

When pulling out Dev. position of Toner Shield Glass moves out o! position due to contact of Dev. Unit.

2. Vertical black line will appear on the copy.

2-1. Toner Shield Glass is stained with

toner due to defective Inlet seal on

the Dev. Unit. 2-2. Lens and Mirrors dirty. 2-3. Dama ed edge of the Cleaning Blade

Poss ble causes are:

● Carrier on the Drum

● Small projections on

the Drum surface

● Paper dust accumulated

on the ed ;a;~ the

Cleaning

2-4. Too much toner causes black stripe.

3. Black stripe appears sharply on the copy. 3-1. Scratches of Drum 3-2. Scratches of Hot Roller 3-3. Stained or broken Exposure 3-4. When using mailing label,

bein resul lng in toner build

$!”

left on the Drum

Unit,

mountin

Glass

lue on the

?“reverse side of label is s l~;;nga~~d

up.

018ck Lme

Black Line

__LJ

cluck Oev Un,t

lm7alksttoo

21 CheckTowrSh,ekdGlass

22 Clmntfusw-faceof

mOrrors

2.3 Ckwck~eiqBl*

3.2 C%ck Scratchmof Hcn

Roller

May 7,1984

vertical Black Line - 2

Black stripe or band of heavy background

4-1. Toner pile-up on top of the Dev. Unit.

This ma?result from overtoning

dirty adjustment. could be gaps in the brush seal.

4-2. :~:::sand adjust the Exposure Adjusting

4-3.

‘X?osure ‘a%p;~.~;%%%~f~dd~or~~$

F1 ament of

due to deterioration or failure.

D sensor or ID sensor out of

7-1-5

due to

Another possible cause

WW-O Bkk L!ne

D.eformav,on

““0’0’””P

Page 76

1-5. Vertical White Lines - 1

Due to the contamination of char e wire, Vertical White Line WX1l appear on t e copy.

Clean the charge wire with the wire cleaner,

if that does not work try with dry cloth.

Check the charge corona unit Cleaning Unit for han ing tkread or fiber

that may discharge the

Clean the Dev. Unit seals.

Due to the insufficient cleaning caused b accumulated paper dust on the edge o Cleaning Blade.

Toner on the Drum is scraped off by the unknown foreign substance.

Check the deformation of PTL. Check the deformation of ID sensor Board Check the carrier or toner pile-up. Check the deformation of Transfer/Separation

guide plate.

% rum.

Dev. Unit and

‘%

————-—___ —

VerticalWhne LInes

IN$,

WavV white L,ne

-’

Chwgewlre

Cleaning Blade

CMck CIm.y w,re

Check Clean ng Bla4e

*7, 19B4

Vertical White Line - 2

4. Non sharp white line appears on the copy. 4-1.

Inlet

contaminated

condensation.

5. ~;;~tches on the Drum will cause sharp white to appear on the copy.

seal on the Dev.

with oily dust or

7-1-7

Unit is

@iiiii-mq@

Fore,~ substance

.SedsOrI&v U.(1

Check Sedson Oev Un+t

4 1

‘%

PTL

lDselno(

TonerP,lewg

TfS Gu&P late

7-1-8

Page 77

1-6. Horizontal Black Line

~;echka;~ Drum.. It may be eit;~;c~cr~;c;~d

Replace

Check the Drum if it has toner lines on it

(Use clean soft cloth).

a llne of toner

the Drum if it is scratched.

If Black interval, the Hot Roller scratches .

And replace lf necessary.

Black llne ap ears about 250mm (9.84”) from

3. the leading e ge on A3 paper.

When using A4 sidewise paper,

WI1l appear on the 2nd copy onwards.

Dust the Cleaning Blade with setting powder. Replace

worn .

M8y 7,1984

1–7. Jitter

1. Jitter appears at every 80mm interval on the copy .

1-1. Irregular revolution of scanner drive

motor .

1-2. ~P;fla:~ has burr or

licnheecakppears at every 12~~;

Black Line

the Cleaning

Blade if it is too

scratches on its

7-1-9

(A3 s!zel

. e. , .

----

+--- --

- - --, -

I?-

—p-

(M $42*I

(2nd@y I

2. Irregular especially noticeable in enlargement mode.

to incorrect voltage being supplied from

Due power supply unit.

jitter

appears on

the copy,

7 ‘e%

- -- .- --

7-1-10

1 2 Check Scmm

rh?w Pulley

Page 78

1-8. Copy image is scraped off by the finger due

to unfused copY

Nip width is too narrow.

Specification is Front:

Rear :

Center:

Fusing Temperature is too low.

5.4mm to 5.8mm

as follows: J

F \

Preuure*rmq

-4

Check thermistor gap. This gap should be adjusted to 0.4 - 0.6mm.

%~?~~l!cloard is not set correctly. Care must be taken when replacing the this

board (specially in 60Hz area) slntce every spare part is ad]usted to 50Hz version.

May 7,1984

1-9.

Scanner movement is out of control

1. When the main power switch i.s turned On,

scanner drives into return poslt~on.

Cause:

exchange switch on Temperature

When the power

fapproxlmately 20% lower than

standard volts e), reset .slgnal can

Board, causing the scanner to drive

into the return position.

becomes too low

!not be transmit ed to Optics Control

7-1-11

Freguency ExchanWSW

Ad]usttempwature

AdIusItheqapbetwam

Th.erm,stor ● nd Rtiler

Exchange the pos,tton of SW tch

-./

7112

E+”T

IGE==-i

l====+

..d

Page 79

1-10. Toner Density is too high - 1

When the toner density is too high, following

symptoms may be observed: SYMPTOM:

1. Dirty background may. ap ear on the. copy. And also lmm p~tch horizon al black llne may appear :

2. Toner density on the black solid area is too high.

3. Toner is

Transfer\ eparatlng Corona. Unit and also on

the upper cover of Dev. Unit.

iled-up on the end block cover of

CAUSE :

Lamp Regulator output voltage is too high.

2. Bias voltage is too high.

3. Charge current is too low.

4. Fixed toner supply mode is selected. copier is used In fixed toner suppl excessive toner is sup lied re ard ess o~

used.

5. Toner supply clutch 1s revolving always.

6. Toner

actual usage.

If the 40% suppl

selected

used, ,amount of toner supplied at one time is twice the actual toner consum tion,

causing toner scattering inside t e copier.

supply

while 2 % black solld orlglnal is

ratio is greater than the ;%:’= ~-;! ;:; “-0’

fthe_actual usage depen ing on t e original * ‘-H*—

in detect supply mode is ‘~ ~lj,:~!~l:!.”...,!’.’

, ,m:3:n”~*qp,l:,:Ro”’w”’y,

thus

+%F’

—. -m.- ‘ .--T9

[

m,a , ,,-” .!,-

_m;,w~_,

o ,}1>’.* o !‘.~..J<[0 I $

---

“’”E

+!5=-

.%DIPSWmfoll-

Tur. on DIPSW 101 7

Meawrevol~

~weenTpl@

and TP102 IGNDI bv depress!nq Pr!nt key

102.1 -> “OFF’”

102-3 -> ““ON”” 1024 –> “OFF”

Enter “’1O”

(IDI

O@pres$ Pr,nt key ●fter Ma,n SW Niurned OFFmdOfU

Yas

Adjust vsG

May 7,1S4

Toner Density is too high – 2

If the DIP SWITCH 102-6 ‘ turned on (Darker), normal copying operation.

toner scattering isl~nticipated in

7-1-13

Todecreesetowf *n$,t” WI

Make 10 - ~COOIe\

cow. Ooen

Clean ,nsdecoofer

$pec,allv PTL and ICJ $ens@

DIPSW

1023 - . ‘OFF” 1024 - , OFF

n A3 stze w,rt! platen

Return rhe C)lp$W 1023 - . ‘ON

Af!er turn$ngmasn \,v,tch ““OFF – /

‘ON’’makewvwal‘

cooles

mountfnqo!

ch~k

ID senw,

Yes

1 J I 1

7-1-14

Page 80

1-11. Toner Density is too low - 1

If the toner density is too low, following

symptoms WL1l be observed.

SYPTOM :

1. ~~e:o~ensity on black solid area will be

2. Black solid area

feels rough to the touch.

3. Carrier will be present on the copy.

4. When making spots will appear.

black solid copies, fire fly

CAUSB :

Vsg is out of adjustment.

1. When Vsg is lower than 2.5v, toner supply is

inhibited by CPU.

Vsg is out of adjustment.

2. When Vsp is higher than 1.5v, toner supply

is inhibited by CPU.

Charge current is too high.

If the charge current is. increased in order to improve

decreased, lowering the toner density. Bias Voltage is too low.

4. Lamp Regulator outputis too low.

5. Toner supply clutch failure.

Toner end sensor is not operating. ~~n~on~hre toner end sensor IS not working,

supply shaft is revolving.

black solld ~mage,

Vsp is

lS supplled although the toner

+9–L

Sel DIP SW as follow

102.1 - > “OFF”

[ L-#

102-3 -> “ON”’ 1024-

[

,n’ugedemltvalmwrmn

Set

‘“s’”

Turn on SW 1 of DIP SW on left Inner cover

Enter “1O”

Turn on DIP SWIOI-7

Measure voltage between TP104 (10) arid TP102(GND) bv depre$wng pr,nt kev

> “OFF””

w‘+

Mmtconthatoner SUoplv

Clutch Shaft Deoressfhepr,nt kev after

DIP SWNO 1 on left tnrw

cow

275 revolulton

peronecoo~

Adfu$! V~G

.- f-t--- -

1’-%

May7,1984

Toner Density is too low

8. Too many black solid

cop ied.

There is a possibility

m:erkeep up with the

7-1-15

-2

originals are being

that toner supply can

required amounts of

MJke20cWw!th lhedrum cotit t@mniJSWONwtcfctik therevoiution

..&

7-1-16

-0.

Page 81

1-12. Distorted Copy Image

Copied image is parallelogram

1st scanner and 2nd scanner are not parallel.

●

This problem may occur if the scanner lock

plate is not mounted copier .

when transporting the In]

Front sI& of 2nd sunner

lm~ on the rear Side IS :om,~ ahead

HI ~]

copy(l) From CO(W (2) front

l--t

•1

orl~ll’lal

(11

W-

*(1)

-tfwfmn! sboflti

“ ~::,=.mh “

L,fttfufront$b ofthe2ti

-nu bV rurnqac.nrru c&n Indmatod8$ A

May 7,1984

1-13. Miscellaneous

Lighter image w1ll appear

Due to

termln.!~or

contact of the transfer voltage

light image bands will appear.

2. Bias Voltage 1s not appl

Light copy

Image

at 10mm intervals.

ed .

7-1-17

%F’

---+ J /

T SPOWUI Pack

Lqhter band

Poor GWIXM

7-1-18

Page 82

7-2. Electrical and Mechanical

2-1. Exgmsure Lamp Malfunction 2-2. Lamp Relay Open 2-3. Scanner not in H.P. 2-4. Overrun SW ON

2-5. No Regist Start Signal 2-6. NO H.P. Signal 2-7. Lens H.P. Not ON or OFF 2-8. 2nd Scan 2-9. High Frequency Encoder Output ----------------------

2-10.

2-11. Upper or Lower Lift Sensor Not ON ------------------ 7-2-10 2-12. Thermofuse Blown 2-13. Thermistor Blown 2-14. Ready Signal Not ON 2-15. Functional Drive Malfunction 2-16. Jogger H.P. Not ON or OFF 2-17. Total Counter Malfunction 2-18. Optics/Main Board Interface Malfunction ------------ 7-2-15

Low Frequency Encoder Output

H.P. Not ON or OFF

--------- ------------- --------------

------- ---------- --- ---._____ ---

------ ------ ---------- -------- --------

---------- --------- ----- ----- ----- ---

----------------------------------- 7-2-11

-------------------------------- 7-2-12

-------------------------- 7_2_l 7-2-2

7-2-3 7-2-4

----------------------------- 7-2-5 7-2-5

---------------------------- 7-2-6

------------------------ 7-2-7

7-2-8

----------------------- 7_2_9

----------------------- 7-2-13

-------------------------- 7-2-14

-------------------------- 7-2-15

Page 83

2-1. # f ● Exposure Lamp Malfunction

/tx

...0. ,, ,~

Possible Cause:

Lamp Regulator Board is defective.

Main Control Board is defective.

Exposure Lamp is broken.

Chec~the.ollqe B190n lhema, ncontro board

●rCN102

I II

ReoIxr the Lamo r~iaror 00ard

Reg(ace!hema,n

con~rol tma. d

Chuklhebfoken ftlamentof Exoosure bmo

ReglKe !hema,r

control ~,d

R~Iwe the 1~~

fquca?or boa, d

I I

May7, 1984

2-2. t~f ● Lamp Relay Open

Il..T

Possible Cause:

Lamp Regulator Board 1s defective.

Main Control

●

When making

turns on for

Board is defective.

A3 size

approx.

cop ,

2.Ysec .

the

exposure lamp

7-2-1

Checkrheper,odof

Iamo Otd t,m*

MW, C !he wol!qra,

CN102 B40n .hematn C-)nfrol board

Yet

Measurethevot!ay a!

CN 101 A1900 !$I. .raar control hoafd

L—_i

Page 84

—

may I, IYW

—.

2-3. T f . Scanner not in. U.P.

symptom :

~~ Delayed

E.P. Signal

Scanner does not return to home position. Cause:

Scanner drive malfunction. 1-1. The

1-2. The scanner drive wire

The optics control board is

scanner drive pulley set screw

not tight.

is broken.

defective.

m’

Yes

Replace rh?~tjcscontrol board

[

..4

—..

2-4. q-4 *Overrun SW OIQ

~~v

sympto9: When the scanner fails to return, it

overrun Cause:

sensor position.

overrun sensor is defective.

The

optics control board is defective.

The

main control board is defective.

The

7-2-3

Checktosee,fthe Scannef r~he$at the overrun swifch @nit!on

MmsuwthevoIt~ arCN102 AIOon !hemain ccmfrol board

ET3

7-24

Page 85

2-5. ~-f ● No Regist Start Signal

L:lx

symptom :

2.7sec

re ist start signal op lcs control board.

Cause:

1. The optics control board is defective.

2. The main control board is defective.

after the scanner starts to move, no

?“

Scanner drive motor malfunction.

is transmitted from the

Checktheoptxs control bard

Chukthemancontrol

bcmrd

2-6.,=~0-t“ No H.P. Signal

- Ix

S-tom:

20sec after the scanner return signal is ON, no

home position signal is transmitted.

Cause:

The optics control board is defective.

2. The main control board is defective.

Mav 7,19S4

7-2-5

L.____)

Check theuannerdrwe motor

Checkthemw!nCOntTOf

board

Possible Cause:

Lens Home Position sensor failure

2. Lens Drive

3. Optics Control Board

Lens Drive Motor failure

Malfunction

Checkfhe fen$drwe

Oo$lt,m len$of

7-2-6

Page 86

—

——— —

‘~~~ 2nd Scan. H.P. Not ON

2-8.

1:I-4X

2nd Scan. H.P.

:f~ ●

la #at%

Possible Cause:

2nd Scanner Home Position failure

2nd Scanner Drive malfunction

Optics Control Board

scanner drive

motor failure

Not

OFF

defective

CODE 2A, 28

to we !f I* 2nd

Check

scanner moves orooerlv

Check the2ti$canWf draw

Check rheoot,cs

control board

Meawrethevolq ●t CN302.AIZ on the

O@!CSbwrd

Reglace the 2ndscamwr

HPwnscw

OV when mwtng from

._.

--%

..-

M8y 7,1984

2-9. n~. Hi Preq. Encoder Output

~~x

symptom :

The scanner drive motor is driving the scanner faster than normal speed.

Pomsible Cause:

The scanner drive motor is malfunctioning.

The optics control board is defective.

Power supply failure

7-2-7

ChKklW XdSCanMr

molor

arwe

Checktheou?oul Of fhe XW!n& motor

●nc~

(

Replace the 2t’@scannef

H P sensor

..<

7-2-8

e=l

..>

Page 87

2-10. ~-f ● Lo Freq. Bncoder Output

1-~tx

May 7,1964

s~tcm :

The scanner drive motor is driving the scanner

slower than normal speed.

Possible Cause:

1. Scanner home position failure

Vm is out of adjustment

Ve is out of adjustment

Scanner

The opt

drive motor malfunction cs control board is defective.

Me8sure the VM●t

CN305-1 8ndVECN3~ A3 on the Wttc%boerd

M GNDa?CN305-2 ~

Reglace !heoof, cs

control board

Reglace the~annerdr!ve

“ 19va! no load

Re@acethepo~r SUOOIY “n,l

M8y 7,1984

2-11.#J 8 “ Upper Lift Sensor Not ON

syDpto= :

20sec

lift sensor 1s no

flm’

)-~~f,”

Lower Lift Sensor Not ON

t=fR

after thetaper llft motor is turned on,

activated (high signal).

Possible Cause:

Misloadlng

Lift

of the cassette.

sensor is defective.

3. Lift motor 1s defective.

Main control board 1s defective.

5. Feed control board is defective.

7-2-9

Check tosee,~ fhetmftom

plate+s movtngqws-ard

Check[hepxrloac(ng

●nd dr,ve mechan, tm ,f moto. ,s ON

r 1

‘k

Reglue fh< I!!! motor

lNOI

R@aIce the.-matncon!fo

tnnrd

7-2-10

Page 88

s~ta :

Fusing lamp is not ON. Possible Cause:

1. Fusing unit is not installed properly.

2. Main control board is defective.

3. Thermofuse has blown.

f==l

Cfmcktoaetfthe fuww umt lsmstalldPrOPerW

Chakthe.dt~ ●l

cNlo2.A4011the main ~rd

I I

Possible Cause:

Drum thermistor is broken.

Fusin?thermistor has open or shorted circui .

Temperature control board is defective.

Main control board is defective.

May 7,1984

2-14.~~.* Ready Signal Not ON

d t~

Syptoa :

Ready signal does

the power relay is energized.

Possible Cause:

Contact failure of power relay

Fusing lamp is broken.

Triac failure

Temperature control board

Contact failure of

not come on 8 minutes

fusing

is defective.

unit connector

7-2-11

after

fus,ng temperature

C?4102-A19

Check the fusing thermistor anddtum rhwmmor

Replace the tenvwature

control board

COOE 54

Ye,

Yes

Repluethem*n conrrol bored

ReoIuethe man control

wrd

Ra04ae mom conwoI txurd

.A”

Page 89

2-15. ~ ~ . Functional Drive Malfunc.

Utll

s~to= :

Copier operation will stop 2-3 seconds after

print key is depressed. Possible Cause:

Pulse generator board is defective.

pulse for longer

Contact failure of power relay.

AC control unit is defective.

control board is defective.

Main

motor is defective.

Main

drive chain is disengaged.

Main

than 2-3 seconds.

the

CIucktoaoif@so

gmomor Is rwkukvmg

Ouckthe vok~

~lond20immn maor connator

Aug. 30, 1984

2–16-02 ~ “ Jogger E.P.

~tt%

Jogger H.P.

Not ON Not OFF

symptom:

The Jogger fences do not return

pcsition.

Possible Cause:

Jogger drive malfunction

Jogger

Jogger motor is defective.

Main control board is defective.

home position sensor is

to its home

defective.

7-2-13

Chak W041- ● CN33.3mth WSWCt

10 CN33 21GNOI

7-2-14

Page 90

M8y 7,1884

2-17. ~ #

sy9pta :

● Total Counter Malfunc.

~8x

Total counter is not working.

Fossible Cause:

1. Total counter failure

2. Main control board is defective.

2-18. ~~ ●Optics/Hain Board Interface I

A_QX_lfunction

Cfmck tfuvolt8Q88t

CN102-SIOontlm mControl-d

R~~momboud

ChakconduCttMW Of Connator

Chackopwsb=d

[

Chockmambosrd

R@a8Tot8itintw

,.-+

-..&

Page 91

SECTION 8

DOCUMENT FEEDER DF32

Page 92

—

Page 93

DF32 UNPACKING

8-1. Unpacking Procedure

1. Open the shipping box (A).

2. Take out the accessory box (B).

Take out the belt unit (C) and the feed-in unit (D).

*7, 1984

Aug 30,1984

Check the parts according to the New Equipment Condltlon

Report (NECR).

Installation

NECR

Original exit guide

Flip scale Flip scale spring

Orl;~nal stacker Entrance mylar Seal Harness cover 1

chart A3[for registration adjl 2

Test Test chart A5[for registration adj] 1

and the accessories

procedure

Clamp

Pan head screw MS x 10 Pan head screw M4 x 10 Pan head screw M4 x 6 Truss screw ?44 x 10

Sunk screw ?44 x 4

Shoulder screw M4 x 8 Grounding screw M4 Bolt M4 Nut M4

8-1-1

1 1 1

4 2 3 1

1 2 2

8-1-2

Page 94

—

Remove the tape wbicb holds tbe exit

—.

cover (A) to the belt unit (B).

Remove tbe strips of tape on the feed-in

unit (C) as

Remove the tape wbicb holds the signal

harness (D).

shown.

.. . ... ..

*7, 1W4

my 7,1904

8. Remove the tape holding

roller bracket (A) .

(D)

&l-3

the pick-up

8-14

Page 95

DF32 INSTALLATION PROCEDURE

8-2

DF Installation Procedure

Turn off the main swtich of the copier.

Remove the following parts :

Platen cover (A) Rear cover (B) Upper cover (C)

2 mounting studs) ADF docking hole caps (D) Plastic screw (E) Left scale (F)

(2 screws)

(6 screws,

(3 PCS)

(2 screws)

(E)

\ I

lM)’?B:Following parts should be kept

further use:

Platen cover (A)

ADF docking hole caps (D)

Plastic screw (E) Left scale (P)

Mounting stud

May7, 1984

Open the front cover (A) and remove the

inner

Remove the Original Size indicator

(C)

the operation

Remount the inner left cover (B).

left cover (B)(4 screws).

disconnecting

board (D).

the harness from

for

PCB

B-2-1

‘-4

(B)

(F}

/’

Remount theupper cover (E)(3sCrews)(F).

WU1’E: Following parts should be kept for

1) original size indicator

further use:

PCB

(Al’

A’

Page 96

...

7. Mount the flip scale (A) and spring (B)

on the

as shown (2 sunk screws (D)).

original ●xit guide (C) then mount

~301sa4

Hake sure that the end

spring is in the projection on tbe flip scale.

8. Mount

the entrance

The stainless steel part entrance mylar should

the

edge of the right glass holder

mylar (B).

be flush with

(F). Position the end of the mylar so that it is approximately 7mm (0.28”) from tbe inside edge of the upper cover (G).

Secure two shoulder screws (H) as shown

figure.

of the

May7,1984

10. Stick the registration sensor seal(A), to

the upper

figure.

11. Install the harness cover(C) to the base plate of the feed-in unit(D) (1 screw).

cover(B)

(E) Entrance mylar

as shown

the

a2-3

..&

////

...

Page 97

12. Mount the feed-in unit and secure with 2

long screws (A) (144x 20).

13. Lower the DF main board plate (B) (3

screws) .

14. Remove the

front (C) and rear (D) covers

of the feed-in unit (5 screws).

Secure feed-in unit to top of copier (2

15.

screws - H4 x 10) (B).

16. Remount the front and rear covers.

)

May 7,1984

17.

Mount the height adjusting bolts (A) and nuts (B) on the post

19U?B:

Before mounting, the nuts should be

bracket (C).

threaded half way down the shaft of the bolt

18.

Install the belt unit by inserting the

posts into the post

Lower the belt unit (D).

19.

Temporarily install the 4 screws(E) into

20.

as shown figure.

bracket(C1.

the belt unit posts (4 screws).

Remove the belt unit cover (P) (4 screws)

21.

and grip plate

(G) (3 screws).

8-2-5

(01

;f..& !+:;

(E}

8-24

Page 98

22.

Connect tbeac power line (A) from the

feed-in unit to the

Secure tbe ground wire from tbe feed-in

23.

copier.

unit and tbe ground wire from power pack-

to the post bracket (1 screw).

Connect tbe harness from feed-in unit to

24.

CN104 (B) on tbe main board.

Mount tbe harness clamps (C) on tbe post

25.

brackets. Place both tbe harness and ground wire from tbe feed-in unit in the

clamps as shown.

(El(H

Mount tbe harness bracket

26.

unit (2 screws) and connect the harnesses

from tbe

connectors ).

Secure one end of the ground wire (H) to

27.

the belt

Mav 7,1984

Level the belt unit as follows:

28.

(D) on the belt

feed-in unit to the belt unit (3

2P(E)

6P(F) 15P(G)

unit (1 grounding screw).

Remove the belt unit cover (A) (4 screws) .

Remove right locking plate (B) (1 flat head screw, 1 screw).

Remove screws) .

Rotate the belt release bracket (D)

clockwise

(E).

Reposition and tight-en the right locking plates (4 screws).

left

locklng plate (C) (2

and slide off the feed belt

left and

S2-7

[Al

Loosen the mounting

6) magnetic catches (G and H).

belt unit and hold it down.

First push down the right side of the belt unit

right ● agnetic catch (G).

down the left side of the and tighten the screw of left magnetic catch (H).

Check the clearance between the mylar

spacer (1) and exposure glass (J) with two (2) sheets of paper.

Adjust the clearance if necessary.

and tighten the screw of

screws (F) of

Close the

Then push

belt unit

8-24

0.16 ‘~~mm

(0.006”‘J:wz:)

/. /

H “’=5$$5

(F)

Page 99

8) Adjust height of rear side of belt

unit to 15.5 t

between top of pressure roller support

0.5mm (0.61”) measure

bracket (A) and exposure glass (B). Use height

unit posts (D).

adjusting bolts (C) on belt

Tighten

four (4)

screws (E)(M5 x 8) on belt unit posts.

Lock height adjusting bolts (2 lock nuts) (C).

9) Replace feed belt.

10) Check that the belt unit is closed

properly.

29. Remount the grip and belt unit cover.

I (A) I

155f0.Smm

(0.61”)

@JOl%: When remounting the belt unit

cover, first tighten the screws on the front side of the belt unit. Then tighten the screws on the rear

side.

May7, 1984

30. Install

screw~ .

Stick the fllp scale decal (B),as shown

the orlglnal stacker

in the figure.

(E)

8-2-9

(A)(l

——

Page 100

.. . ..

4’

,,.-*#’