Fujitsu FI-4750L Cleaning and Maintenance Guide

C150-E201-02EN

fi-4750L Image Scanner

Cleaning and Maintenance

Revisions, Disclaimers

Revisions

Editon Date published Revised contents

01 March, 2001 First edition

02 March, 2001 Partly changed

FCC declaration: This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

i, 2-5, 2-7

Specification No. C150-E201-02EN

FCC warning: Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate the equip­ment.

i

NOTE

• The use of a non-shielded interface cable with the referenced device is prohibited.
The length of the parallel interface cable must be 3 meters (10 feet) or less. The
length of the serial interface cable must be 15 meters (50 feet) or less.

• The length of the power cord must be 3 meters (10 feet) or less.

This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du

Canada.

As an ENERGYSTAR ® Partner, Fujitsu Limited declares that this scanner meets the
ENERGYSTAR ® guidelines for energy efficiency. ENERGYSTAR ® is a U. S. regis­tered mark.

Changes

The contents of this manual may be revised without prior notice.
FUJITSU reserves the right to make changes to any products herein, to improve
reliability, function, or design, without further notice and without obligation.

Copyrights

All Rights Reserved, Copyright © 2001, FUJITSU LIMITED.
Printed in Japan.
No part of this manual may be reproduced in any form without permission.

ii

Fujitsu Offices

Please send your comments on this manual or on Fujitsu products to the
following addresses:

FUJITSU COMPUTER PRODUCTS OF
AMERICA,INC.
2904 Orchard Parkway,San Jose.
California 95134-2022,U.S.A.
TEL:[phone]
FAX:[phone]
http://www.fcpa.com/

FUJITSU AUSTRALIA LIMITED
Fujitsu Hause 2 Julius Avenue North Ryde
N.S.W 2113 AUSTRALIA
TEL:[phone]
FAX:[phone]
http://www.fujitsu.com.au/

FUJITSU CANADA,INC.
2800 Matheson Blvd.East,Mississauga.
Ontario L4W 4X5,CANADA
TEL:[phone]
FAX:[phone]
http://www.fujitsu.ca/

FUJITSU DEUTSCHLAND GmbH.
Frankfurter Ring 211,
8000 München 40,F.R,GERMANY
TEL:[phone]
FAX:[phone]
http://www.fujitsu.de/

FUJITSU ESPAÑA,S.A
Edificio torre Europa 5
Paseo de la Castellana 95
Madrid 28046,SPAIN
TEL:[phone]
FAX:[phone]
http://www.fujitsu-europe.com/home/

FUJITSU EUROPE LTD.
2,Longwalk Road,Stockey Park,Uxbridge
Middlesex,UB11 1AB,U.K
TEL:[phone]
FAX:[phone]
http://www.fujitsu-europe.com/home

a

FUJITSU FRANCE S.A.
I, Place des Etats-Unis, SILIC 310,
94588 Rungis cedex, FRANCE
TEL:[phone]
FAX:[phone]
http://www.fujitsu-europe.com/home/

FUJITSU COMPUTERS (SINGAPORE) PTE, LTD.
20 Science Park Road #03-01, Tele Teck Park
Singapore Science Park II, Singapore 117674 Republic
of Singapore
TEL:[phone]
FAX:[phone]
http://www.fujitsu-computers.com.sg/

FUJITSU HONG KONG Limited
10/F, Lincoln House, Taikoo Place,
979 King’s Road, Island East, Hong Kong
TEL:[phone]
FAX:[phone]
TLX:62667
http://www.fujitsu.com.hk/

FUJITSU ITALIA S.p.A.
Via Nazario Sauro, 38
20099 Sestos, Giovanni (MI), ITALY
TEL:[phone]
FAX:[phone]
http://www.fujitsu-europe.com/home

FUJITSU NORDIC AB
Kung Hans väg,S-192 68 Sollentuna, SWEDEN
TEL:[phone]
FAX:[phone]
http://www.fujitsu-europe.com/home

FUJITSU LIMITED
International Operations
Marunouchi 1-6-1, Chiyoda-ku,
Tokyo 100 JAPAN
TEL:[phone]
FAX:[phone]
TLX:J2283
Cable:”FUJITSU LIMITED TOKYO”
http://www.fujitsu.co.jp/

iii

Note, Liability

READ ALL OF THIS MANUAL CAREFULLY BEFORE USING THIS PRODUCT.
IF NOT USED CORRECTLY, UNEXPECTED INJURY MAY BE CAUSED TO
USERS OR BYSTANDERS.

While all efforts have been made to ensure the accuracy of all information in this
manual, FUJITSU assumes no liability to any party for any damage caused by
errors or omissions or by statements of any kind in this manual, its updates or
supplements, whether such errors are omissions or statements resulting from
negligence, accidents, or any other cause. FUJITSU further assumes no liability
arising from the application or use of any product or system described herein; nor
any liability for incidental or consequential damages arising from the use of this
manual. FUJITSU disclaims all warranties regarding the information contained
herein, whether expressed, implied, or statutory.

iv

Preface

This manual explains how to clean and maintain the fi-4750L image scanner.
The fi-4750L is a highly functional color image scanner developed for volume filing,

using charge-coupled device (CCD) color image sensors. This scanner features
duplex scanning and high quality color image processing with an automatic docu­ment feeder (ADF).

Refer to the Operator’s Guide for basic information about the fi-4750L.

v

Conventions

Important information that requires special attention is indicated as follows:

WARNING

WARNING indicates that serious personal injury may result if you do not follow a
procedure correctly.

CAUTION

CAUTION indicates that minor personal injury, loss of data, or damage to the
scanner may result if you do not follow a procedure correctly.

Official Fujitsu part names are indicated with an initial capital letter, as in the part
name “Pick roller”.

NOTE

A NOTE provides “how-to” tips or suggestions to help you perform a procedure
correctly.

vi

CONTENTS

CHAPTER 1 DESCRIPTION ............................................................... 1-1

CHAPTER 2 CLEANING ..................................................................... 2-1

CHAPTER 3 REPLACEMENT OF PARTS.......................................... 3-1

Units ............................................................................... 1- 2

Assemblies..................................................................... 1- 4

Operator Panel................................................................ 1 -5

Panel Display.................................................................. 1-6

Cleaning Supplies and Area Requiring Cleaning.............. 2-2

Supplies .................................................................... 2- 2

Areas Requiring Cleaning .......................................... 2- 3

Cleaning the ADF............................................................ 2 -4

Cleaning the Flatbed ..................................................... 2-10

Pad Assembly ................................................................ 3-2

Pick Roller ...................................................................... 3- 4

Chute Roller .................................................................. 3-11

CHAPTER 4 TROUBLESHOOTING .................................................... 4-1

Clearing Paper Jams....................................................... 4-2

Initial Checks .................................................................. 4-3

Problem Checklist......................................................... 4-20

vii

CHAPTER

1

DESCRIPTION

DESCRIPTION

DESCRIPTIONCLEANINGREPLACEMENT

CHAPTER

CHAPTER

CHAPTER

2

3

4

REPLA CEMENT OF PARTS

TROUBLESHOOTING

CLEANING

OF PARTS

TROUBLESHOOTING

CHAPTER

1

DESCRIPTION

This chapter describes units, assemblies, indicators and LED func­tions.

Units

Assemblies

Operator Panel

Panel Display

1-1

Units

7

1

ADF

2

Paper weight
(hidden)

3

ADF paper chute

Document holding pad

8

Document cover

6

Stacker

16

Power switch

5

15

Power inlet

ADF lever

4

Oparator panel

10

IMP connector

11

14

EXT connector

INT connector

9

12

Third party slot

13

Interface connector

Document bed

1-2

o

N

Function

1

Automatic al l y feed s do cume nt s t o t he re adi n g pos i t i on.

2

Presses the documents loaded on the ADF paper chute.

3

Holds the documents to be fed by the ADF.
Displays the status of the scanner. Also displays buttons that enable the

4

operator to change settings in Feed mode, Manual Feed mode, and Setup
mode.

5

Opens/closes ADF to enable the removal of jammed documents.

6

Stacks the read documents.

7

Presses the document to the Document bed.

8

Closes over and keeps in place the document to be read.

9

Holds the document to be read. Also called Flatbed (FB).

DESCRIPTION

10

Connects to an option.

11

Connects to the EXT connector.

12

A Fujitsu Video Interface Option Board is install ed.

13

Connects to the host system with interface cables.

14

Connects to the INT connector.

15

Connects to an AC power outlet with the power cable.

16

Turns the power On or Off.

1-3

Assemblies

Adjustment
stacker

Thumb screw

Guide A
ASY

Pick roller 2

Stacker

Pad ASY

Pick roller 1

Roller
cover

Chute
roller

Chute

roller
Roller
cover

1-4

Gate ASY

Operator panel

The Operator panel is located on the
upper right hand side of the scanner.
The panel consists of an LCD (16
characters x 2 lines), LEDs, and
buttons.

Arrangement

DESCRIPTION

Exit

Enter

Previous

Next

Operator panel

Stop

Send To/

Start

Read
Check

1-5

Button/LED Function

Name of the button and
LED

Button Next

Previous

Exit When you are entering settings on the Operat or panel, pressing this button

Enter
Send To

Start

Stop When the Check LED lights, pressing this button releases the error status

LED

Read

Function

Displays the next LCD screen.
Displays the previous LCD screen.
Moves the cursor (blinking part) to the left
Moves the cursor (blinking part) to the right

returns you immediately to the Scanner Ready screen.
Enters the parameter currently selected by the cursor.

Starts the reading. while Manual start mode is set or the Read lamp lights
when the video interface option is used. Some application software packages
might use this button.

(turns off Check and returns to the Scanner Ready screen). Stops the reading
while reading when the video interface option is used. Also turns off the Check

lamp.
Indicates the scanner is ON.
Indicates the scanner is reading or ready to read.

Check If lit, indicates an alarm occurred. Pressing the Stop button turns the Check

lamp off.

If it blinks at one second intervals, this indicates a jam or double feed has been
detected. If the problem is jammed paper, removing paper turns off the Check
lamp. If the problem is double feed, pressing the Stop button turns off the
Check lamp.

If it blinks at four second intervals, t his indicates cleaning the ADF is
necessary.

1-6

Counter Display

The scanner is provided with a counter

Paper counter

display.

Abrasion counter

Counter Function

Paper counter When the

button is pressed

When the
button is pressed

Abrasion counter Abrasion counter counts the accumulat ed number of t he scanned s heet . This

counter incr ements at every 10 sheet s. This counter i s usef ul to check the
cleaning cycl e or parts replacement cyc le. How to reset i s described in
Chapter 6.

The paper counter counts t he number of scanned sheet s
from the start of reading unti l Paper Empty or unt i l an
error is detected. The counter is aut omatically reset at
the start of reading. The counter is used for checking
the number of sheets scanned at one time.

This counter i ncr ements each t ime a document is
scanned. The counter is not initialized until the power is
turned of f. The counter can be used, for example, for
checking the number of sheets that have been scanned
in one day.

DESCRIPTION

NOTE

When the counter value is 0, no number is displayed.

1-7

Panel Display

Operation status

The operation status is indicated by the following messages:
<Power-on>

<Reading>

<Low Power Mode> When the Scanner Display turns Off and the power indicator

remains “On”, the scanner is in the Low Power Mode.

NOTE

One of the following will wake up the scanner:

• Pressing any button.

• Setting the paper on the ADF.

• Sending a command from the host computer.

<Waiting for Start> The scanner displays the following screen when waiting for the

Start button to be pressed:
(Only When the Video Interface
Option is installed.)

<Cleaning request> When the Pick roller cleaning is necessary, the scanner displays

the following on the upper line:

When the ADF glass cleaning is necessary, the scanner displays

the following on the LCD:

Clean the Pick roller or the ADF glass in accordance with the

instructions given in chapter 2, Cleaning the ADF, and chapter 3,

Pick Roller.

1-8

Temporary error

<Hopper empty>

<Jam>

<ADF cover open>

<Double feed error>

DESCRIPTION

This message is displayed if there is no more paper on the ADF
paper chute during a read operation in ADF mode. Fill the ADF
paper chute with paper. To enable the read operation, press the
stop button.

This message is displayed if a document is jammed in the ADF.
See Chapter 4 for removing jammed ducuments.

This message is displayed if the ADF is not closed completely.
Close the ADF completely, and enable the read operation.

This message is displayed when the ADF detects a Double feed
error. Check the document and re-scan it.

1-9

Alarm

One of the following messages is displayed if an error occurs in the scanner. If one of the following
error messages is displayed, turn the power Off and then On again. If the same message is
displayed, contact your service representative.

<Optical alarm front>

<Optical alarm back>

<FB mechanism alarm>

NOTE

When the total number of sheets scanned by the ADF is less than 100, the message above and the
message below are displayed alternately. Remove the bracket (Shipping Lock) that holds the carrier
in place.

1-10

<Motor fuse alarm>

<Lamp fuse alarm>

<Image transfer alarm>

<Memory alarm>

<EEPROM alarm>

<FAN alarm>

<SCSI fuse alarm>

DESCRIPTION

NOTE

When this message is displayed, turn Off system power and then turn it On again. Alternatively,
replace the current cable with one recommended by the manufacturer of the SCSI board. When the
cause of the alarm has been corrected, the scanner automatically resumes operation once power is
turned On again.

1-11

CHAPTER

2

CLEANING

This chapter describes cleaning supplies, areas that require clean­ing, and procedures for cleaning the ADF and the flatbed.

Cleaning Supplies and Areas Requiring Cleaning

Cleaning the ADF

Cleaning the Flatbed

2-1

Cleaning Supplies and Areas Requiring Cleaning

Document cover

Document
holding pad

Document
bed

Supplies

Type No.

Cleaning paper Contact your Every 5,000 sheets

dealer or

Cleaner F2 distributor • Plastic rollers (*2) 1 bottle

Cleaner F1 or • PAD assembly 1 bottle.
Isopropyl alcohol Every 5,000 sheets Apply Cleaner F1

• Pick roller/Feed rollers/ to cloth.
Glass/Sheet guide

Every 5,000 sheets
Cotton swab
Dry cloth

*1 If the display on the operator panel shows “Please clean Pick-roller”, then clean it regardless of the frequencies

recommended here.

CAUTION

*2 Do not clean the rubber rollers with cleaner F2.

NOTE

When the following paper types are used, it may be necessary to clean more frequently:

• Paper with a smooth surface, such as coated paper.

• Paper almost entirely covered with printing.

• Paper with special chemical coatings, such as carbonless paper.

• Paper including a great quantity of calcium.

• When reading a great many documents written with a pencil.
*3 Refer to the Abrasion counter on the Operator panel to estimate when the next cleaning is necessary.

RemarksSupplies Frequencies (*1)(*3)

Apply Cleaner F2
to cotton swab.

2-2

Areas Requiring Cleaning

Area

Flatbed

ADF

ADF

Name

Document holding pad
Document bed
Pad
Glass/Sheet guide
Pick roller
Plastic rollers
Feed rollers
Paper weight rollers
Chute rollers

Document holding
pad

Cleaning paper

with Cleaner F1

Document bed

Dry cloth

with Cleaner F1

Feed rollersPad

Plastic rollers

Cotton swab

with Cleaner F1 or F2

CLEANING

Paper weight rollers
(hidden)

Plastic rollers

Sheet guide
(white part)

Glass

Pick rollers

Chute rollers

2-3

Cleaning the ADF

pow-on

Cleaning the ADF with cleaning paper

Pull the ADF lever to open the

1

ADF.
Apply cleaner F1 to a new piece

2

of cleaning paper.

Place the cleaning paper on the

3

ADF so that the edge of the short
side touches the Plastic roller.

Close the ADF and turn the

4

power on to start the cleaning.
Turn the power off.

5

Repeat steps 1 through 5.

6

Cleaning paper

Cleaning
paper

Plastic
rollers

2-4

Cleaning the ADF with a Dry cloth or a Cloth with Cleaner F1

Pull the ADF lever to open the

1

ADF.

Use a dry cloth or a cloth

2

moistened with Cleaner F1 to
softly remove dirt and dust as
follows.

CLEANING

Pad assembly :

Wipe the pad in a downward direction
(as indicated by the arrow). Be careful
not to catch the spring for the Pick roller
when wiping.

Glass:

Wipe the glass lightly.

NOTE

If the glass is dirty, the image may include black
vertical stripes.

Pad assembly

Glass

2-5

Pick roller:

Wipe the roller.

Pick roller

Be careful not to damage the surface of
the roller and the mylar strip above the
Pick roller.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Feed rollers and Plastic rollers:

Wipe the rollers.
Be careful not to damage the surface of
the rollers.

Feed rollers

Plastic rollers

Plastic rollers

2-6

Sheet guide (white part):

Sheet guide (white part)

Wipe the sheet guide.

NOTE

If the Sheet guide is dirty, the front image may show
vertical stripes.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Close the ADF to lock the ADF

3

lever.

CLEANING

2-7

Cleaning the Plastic rollers with Cleaner F2

Pull the ADF lever to open the

1

ADF.
Moisten a cotton swab with

2

Cleaner F2.
Wipe the Plastic roller surfaces.

3

CAUTION

Don’t wipe the Pick Rollers with a cotton swab using
cleaner F2.

Wipe the Plastic roller surface

4

with a clean, dry cloth. Allow it to
dry.

Plastic rollers

Plastic rollers

2-8

Cleaning the Paper Weight Rollers with Cleaner F1 or F2

Moisten a cotton swab or Dry

1

cloth with F1 or F2 Cleaner.
While holding the Paper Weight,

2

wipe the small Plastic rollers at
the tip of the Paper Weight.

Wipe the small Plastic rollers and

3

the Paper Weight with a clean,
dry cloth to dry them.

Cleaning Chute Rollers with Cleaner F1

Use a dry cloth or a cloth moistened
with Cleaner F1 and wipe rollers softly.

CLEANING

Chute rollers

2-9

Cleaning the Flatbed

Cleaning the Flatbed with a Cloth and Cleaner F1

Document cover

Document

holding pad

Document bed

NOTE

Window or glass cleaner can be used instead of cleaner F1. However, do not use organic solvents.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Open the Document cover.

1

Apply Cleaner F1 to a clean

2

cloth.
Wipe the Document holding pad

3

and the Document bed.
Allow them to dry.

4

NOTE

Be sure to prevent liquid from seeping through the opening between the Document bed and the plastic cover.

2-10

CHAPTER

3

REPLACEMENT OF PARTS

This chapter describes how to replace the pad assembly, the pick
roller, and the chute roller.

Pad Assembly

Pick Roller

Chute Roller

3-1

Pad Assembly

Pad ASY (PA03951-0193)

ADF lever

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

The life span of the pad assembly is about 100,000
sheets or one year. Use the Abrasion counter on
the Operator panel to estimate when the Pad
assembly needs replacement. The life span may be
decreased by as much as half when carbonless
paper is read frequently.

Turn off the power before replacing the Pad
Assembly.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

NOTE

WARNING

Pull the ADF lever to open the

1

ADF.

3-2

Slide the Pad Assembly to the left

2

and pull it towards you. Then,
being careful not to hook the
spring for the Pad, remove the
Pad Assembly.

NOTE

Hold both ends of the Pad assembly as shown in the
right photo.

CAUTION

Don’t hold the sensor arm with the Pad assembly.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Attach the Pad Assembly to the

3

Pad assembly

ADF in the reverse sequence of
step 2.

NOTE

Fit the Pad assembly pin into the larger hole, then
slide it to the right until it stops.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Close the ADF.

4

OF PARTS

REPLACEMENT

3-3

Pick Roller

Pick rollers (PA03951-0194)

(Two rollers are included)

NOTE

The life span of the Pick roller is about 200, 000 sheets or one year.
Use the Abrasion counter on the operator panel to estimate when the Pick roller needs replacement.
The life span may be decreased by as much as half when carbonless sheets are frequently read.

WARNING

Turn off the power before replacing the Pick Rollers.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Pull the ADF lever to open the

1

ADF.
Remove the two Thumb

2

screws.

NOTE

Use a Phillips screwdriver if they are tight.

Thumb screws

3-4

With both hands, lift up Guide A

3

and disengage its tip from the
right hole. Then lift the right side
of the cover and remove it.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

To remove the Pick rollers, turn

4

the stopper counter-clockwise.

Pick roller 2

Stopper

Pick roller 1

OF PARTS

REPLACEMENT

Position for Replacement

3-5

To remove the Pick roller 1, move

5

it to the left and then lift it.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Immediately after removing the

6

Pick roller 1, remove the Pick
roller 2 in the same way.

3-6

To attach the new Pick rollers,

7

place Pick roller 1 from the right
side above the bearing for Pick
roller 1.

NOTE

Pick roller 1 has a groove in its rubber.

Put the shaft of Pick roller 1 into
the bearing. Then, slide Pick
roller 1 toward the right side.

OF PARTS

REPLACEMENT

NOTE

Make sure that the shaft is securely fixed to the bearings.

3-7

Attach Pick roller 2, in the same

8

way as Pick roller 1 as shown in
step

Then slide the Pick roller 2 toward
right side.

.

7

NOTE

Make sure that the shaft is securely fixed to the bearings.

3-8

Turn the stopper clockwise to

9

secure the Pick rollers.

Stopper

OF PARTS

REPLACEMENT

Operating Position

3-9

Guide A

10

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

11

12

Attach Guide A in the reverse
sequence of step 3 and align the
screw hole. See the graphic on
page 1-4.

Tighten the thumb screws.

Close the ADF unit.

Thumb screws

3-10

Chute Roller

Chute rollers (PA03951-0196)

(Two rollers are included)

NOTE

The life span of the Chute roller is about 1,000,000 sheets or 2.5 years.
The life span may be decreased by as much as half when carbonless sheets are frequently read.
Replace the two Chute rollers at the same time.

WARNING

Turn off the power before replacing the Chute rollers.

OF PARTS

REPLACEMENT

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Lift and hold the Paper weight.

1

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Move the Gate assembly

2

leftwards and pull towards you.

3-11

While pushing the claw of the

3

Roller cover, remove the Roller
cover.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

While pushing the claw of the

4

Chute roller, move the Chute
roller leftwards to remove it.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Put the new Chute roller on the

5

shaft and move it rightwards.

NOTE

When moving the Chute roller rightwards, gently turn the roller until the claw of the Chute roller is locked.

3-12

Mount the Roller cover.

6

NOTE

Make sure that the claw of the Roller cover is firmly locked.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Mount the Gate assembly in the

7

reverse sequence of step 2.

OF PARTS

REPLACEMENT

NOTE

Insert the pin of the Gate assembly into the large hole and move the assembly leftwards until it stops.

NOTE

If the Gate assembly is not securely mounted, the Paper weight cannot go down during read operation and then
paper jams occur.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Release the Paper weight.

8

3-13

While pushing the claw of the

9

Roller cover, remove the Roller
cover.

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

10

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

11

While pushing the claw of the
Chute roller, move the Chute
roller leftwards to remove it.

Put the new Chute roller on the
shaft and move it rightwards.

NOTE

When moving the Chute roller rightwards, gently turn the roller until the claw of the Chute roller is locked.

3-14

12

Make sure that the claw of the Roller cover is firmly locked.

Guidelines on replacing the Chute roller are as follows:

Mount the Roller cover.

NOTE

NOTE

• The life span of the Chute roller is about 1,000,000 sheets or 2.5 years. We recommend the life span that
comes first.

• If documents are not fed into the ADF frequently and it cannot be solved instantly by cleaning the Chute roller.

ADF paper

ADF side

The chute roller slips
so that the document
cannot be fed into
the ADF.

chute side

OF PARTS

REPLACEMENT

A pair of Chute rollers come with your scanner at purchase. Replace the two Chute rollers at the same time.
The life span may be decreased depending on types or printing conditions of your documents.

3-15

3-16

CHAPTER

4

TROUBLESHOOTING

This chapter describes how to clear paper jams and run initial checks.
It also contains a Problem Checklist that should be completed before
you call a service representative.

Clearing Paper Jams

Initial Checks

Problem Checklist

4-1

Clearing Paper Jams

ADF paper chute

ADF

ADF lever

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Remove all the documents from

1

the ADF paper chute.
Pull the ADF lever to open the

2

ADF.
Lift and hold the paper weight.

3

Remove the jammed

4

document(s).

NOTES

- Inspect the paper and the paper path. Make sure no staples, paper clips or other materials caused the jam. All
staples and paper clips should be removed from all documents bofore scanning.

- Be careful not to pull the spring for the Pad while removing a jammed document.

Close the ADF so that the ADF

5

lever locks.

4-2

Initial Checks

If a problem occurs, check the following items before contacting the manufacturer’s authorized service
center.

Symptom 1

The power does not go On.

Is the power cable
connected correctly?

YES

Is the power switch on?

YES

Contact the manufacturer’s authorized
service center.

(No light)

NO

Connect the power cable
correctly.

NO

Press the power switch.

TROUBLESHOOTING

4-3

Symptom 2

The operator panel turns “Off”.

Power “On”

Has it been a long time
since the scanner was last
used?

NO

Did the scanner enter this
state quickly?

NO

Did you load the paper on
the ADF?

NO

Have 10 seconds passed
since the PC instructed a
scan?

YES

Press any button on the
operator panel to wake up the
system.

YES

Extend the time for entering
"Low Power Mode" in Set Up
Mode.

YES

Load the paper again, or
press any button on the
operator panel.

YES

Wait for at least 10 seconds.

YES

Contact the manufacturer’s authorized
service center.

4-4

Symptom 3

Read operation does not start.

Is the Shipping Lock
placed in an operating
position?

YES

Are the documents loaded
correctly on the ADF paper
chute?

YES

Is the ADF completely
closed?

YES

Is the interface cable
connected correctly?

NO

NO

NO

NO

Place the Shipping Lock
correctly.
(See the Operator’s Guide,
p. 2-4)

Insert the documents into the
slot.

Completely close the ADF.

TROUBLESHOOTING

Connect the interface cable
correctly.

YES

4-5

Is the scanner the last
device of the SCSI chain?

YES

NO

The termination should be
turned off via the front panel.

Is the SCSI ID set
correctly?

YES

Is the baud rate of the
system 4800 bps?
(When you use the Fujitsu
video interface board.)

YES

CHECK

Is the CHECK indicator lit?
Is an Alarm displayed?

NO

Contact the manufacturer’s authorized
service center.

NO

NO

YES

Set the SCSI ID correctly.
Use the operator panel to
change the ID.

Contact the manufacturer’s
authorized service center to
set the correct baud rate.

Refer to Symptom 6.
(See p. 4-9)

4-6

Symptom 4

Pictures and photographs are not read correctly.

Is the “Photo” mode
selected?

YES

Is halftone or dither
processing selected?

YES

Are the Document bed,
Document holding pad,
glass, and sheet guides
clean?

YES

NO

NO

NO

Select the “Photo” mode
(White level following “Off”)
through the scanner setting
menu in the software.

Select the halftone or
dithering mode from the host
computer.

Clean the dirty parts.
(See p. 2-5, p. 2-7, p. 2-10)

TROUBLESHOOTING

Contact the manufacturer’s authorized
service center.

4-7

Symptom 5

Characters and lines are not read correctly.

NO

3mm

Is the “Line Art” mode
selected?

YES

Is there any printed text on
the first 3mm of the
document?

NO

Are the Document bed,
Document holding pad,
glass, and sheet guides
clean?

YES

YES

NO

Select the “Line Art” mode
from the host computer.

Select the “Photo” mode
(White level following “Off”)
via software.

Clean the dirty parts.
(See p. 2-5, p. 2-7, p. 2-10)

Contact the manufacturer’s authorized
service center.

4-8

Symptom 6

Images are distorted or unclear.

missing

Are the Document bed,
Document holding pad,
glass and sheet guides
clean?

YES

During rear read operation
with the ADF, is the top of
the ADF being pressed or
is there anything heavy on
it?

NO

Is the scanner on an even
and flat surface or are any
rubber feet of the scanner
missing?

YES

NO

YES

NO

Clean the dirty parts.
(See p. 2-5, p. 2-7, p. 2-10)

Do not press the top of the
ADF or put anything heavy on
it.

Place the scanner on a flat,
even surface or attach the
rubber feet.

TROUBLESHOOTING

Contact the manufacturer’s authorized
service center.

4-9

Symptom 7

Images have vertical lines.

Did you scan the
document using the
Flatbed?
Are the lines white?

NO

Are the lines black?

NO

Contact the manufacturer’s authorized
service center.

YES

Contact the manufacturer’s
authorized service center.

YES

Clean the ADF Glass.

4-10

Symptom 8

The Check indicator is on.

CHECK

Is the Shipping Lock
placed in operating
position?

YES

Turn off the power once
and then try to turn on the

CHECK

power again. Is the
CHECK lamp still on? Or is
an Alarm displayed?

YES

Contact the manufacturer’s authorized
service center.

NO

Place the Shipping Lock
correctly.
(See Operator’s Guide.)

TROUBLESHOOTING

4-11

Symptom 9

“Please clean Pick-roller” is displayed.

YES

Is the Pick roller dirty?

NO

Do documents meet
specification described in
the Operator’s Guide?

YES

Is the Pad assembly dirty
or worn out?

NO

Clean the Pick roller.
(See p. 2-6)

NO

Flatten the curl or use the
Flatbed to read the document.

YES

Clean or replace the Pad
assembly.
(See p. 3-2, p. 3-3)

Contact the manufacturer’s authorized
service center.

4-12

NOTES

NOTES

• Remove paper clips and staples. Flatten the staple holes.

• Read the following types of documents using the Flatbed:

- Paper with clips or staples.

- Paper with wet ink.

- Paper of uneven thickness (for example, envelopes).

- Paper with large rumples or curls.

- Paper with folds or tears.

- Tracing paper.

- Coated paper.

- Carbon paper.

- Paper smaller than A6 size or larger than A3.

- Materials other than paper (for example, cloth, sheet metal, or OHP film).

- Photographic paper.

- Paper with perforations on its sides.

- Non-rectangular paper.

- Very thin paper.

• The leading edge of all documents fed by the ADF should be straightened so the curl of the paper
meets the specifications below:

Less than

More than 30mm

3mm

Top of the paper

• Do not mix documents of different widths.

Feed direction

Read surface

Less than
5mm

More than 30mm

Feed direction

Read surface

Top of the paper

TROUBLESHOOTING

4-13

Symptom 10

Paper double feed occurs frequently.

Does the condition of the
documents meet the
requirements described in
the Operator’s Guide?

YES

When double feed
detection is ON, are all the
documents of the same
length?

YES

Are the documents fanned
before being loaded on the
ADF paper chute?

YES

NO

Flatten the curl or use the
Flatbed to read the
documents.

NO

Set double feed detection to
“Off”. (See the Operator’s
Guide)

NO

Fan the documents before
loading, or reduce the batch
size.

4-14

Have the documents
recently been printed by
copier or laser printer?

NO

YES

Fan the stack 3 or 4 times to
remove the static charge
applied to the paper.

Is the document stack less
than 0.32” (8mm) in
height?

YES

Is the Pad dirty?

NO

Is the Pad worn out?

NO

NO

Reduce the batch size of the
documents.

YES

Clean the Pad assembly.
(See p. 2-4)

YES

Replace the Pad assembly.
(See p. 3-2)

TROUBLESHOOTING

Contact the manufacturer’s authorized
service center.

4-15

Symptom 11

Paper jam 1 or paper jam 2 occurs frequently.

Do the conditions of the
documents meet the
requirements described in
the Operator’s Guide?

YES

Have the documents been
fanned before loading them
on the ADF paper chute?

YES

Is the Gate assembly
installed correctly?

YES

NO

Flatten the curl or use the
Flatbed to read the
documents.

NO

Fan the documents before
loading, or reduce the batch
size.

NO

Install it correctly.
(See p. 3-5)

4-16

Is the Pad assembly
installed correctly?

YES

NO

Install it correctly.
(See p. 3-2)

Is the Chute roller dirty?

NO

Is the Chute roller worn
out?

NO

Is the Pick roller dirty?

NO

YES

Clean the Chute roller.
(See p. 2-9)

YES

Replace the Chute roller.
(See p. 3-11)

YES

Clean the Pick roller.
(See p. 2-6)

TROUBLESHOOTING

Is the Pick roller worn out?

NO

Contact the manufacturer’s authorized
service center.

YES

Replace the Pick roller.
(See p. 3-4)

4-17

Symptom 12

Paper jam 3 occurs frequently.

Does the condition of the
document meet the
requirements on page
4-13?

NO

Are there any foreign
particles in the ADF?

NO

Contact the manufacturer’s authorized
service center.

YES

Flatten the curl or use the
Flatbed to read the document.

YES

Clean the ADF (see p. 2-4) or
remove the foreign particles.

4-18

Symptom 13

“Please clean ADF glass” is displayed.

Is the ADF glass dirty?

NO

Contact the manufacturer’s authorized
service center.

YES

Clean the ADF glass.
(See p. 2-5)

TROUBLESHOOTING

4-19

Problem Checklist

Before contacting the manufacturer’s authorized service center, please fill in the following items.

General

Model
Part number
Serial number
Manufactured date
Revision

A

0

123456789

B

0

123456789

C

0123456789

Date of purchase
Symptoms
Persistent problem?
Serviced before (when and how)?
Error status

Transport error

Type of document.
What is your daily usage?
Date of last cleaning.
Date of the consumable replacement.

(Example) fi-4750L
(Example) CA02956-2371
(Example) 00002
(Example) 2001-3
The revision is printed on the label
located at the left corner of the back.
The revision is indicated by the double line.
This example shows the revision A2.

Image error

Interface controller model
Software/application name
Can you send the original and output of

sheet by facsimile or by mail?

4-20