Canon DR-4580U Operating manual

Maintenance Guide

Please read these instructions carefully before using this product, and save them for future reference.

Cleaning the scanner

Follow the procedures below to clean outside and inside the scanner.

Cleaning the scanner exterior

Clean the surfaces of the scanner at least once a month.

Switch the scanner off and discon-

nect the power plug from the power

source.

Use a soft cloth to wipe the sur-

faces of the scanner.

Note: TheADF feed and output slots get

dirty easily so take special care when

cleaning these areas.

Use a brush to clean dust away

from the ventilation port.

Cleaning the scanner interior when heavily used

Clean inside the scanner at least once a month with heavy use, or after 120,000 sheets have been scanned.

•To prevent paper jams and double-feeds, or if you are experiencing these problems, clean the rollers, document

sensor, double-feed detection sensor, and paper detection sensor.

If the problem persists after cleaning, purchase a Exchange Roller Kit (sold separately) and replace the feed

rollers, separation rollers, and retard rollers.

•Ifyouseeblackorwhitestreaksinyourscannedimages,cleanallthepartsinthescanningarea,includingtheCIS

glass, white plate, and white sensor roller.

•Ifyouseeblackdotsorwhitepatchesinyourscannedimage,cleanthedocumentglassandcoversheetunderthe

document cover (➞48).

All of these cleaning procedures are described below.

Cleaning the paper feed rollers

Switch the scanner off and discon-

nect the scanner power plug from

the power source.

Pull out the ADF door release under

the hopper and open the ADF door

completely.

Power switch

O : Off

ADF door

ADF door release

(inside the ADF door)

Soak a clean cloth in a weak solu-

tion of water and mild detergent

then wring the cloth out tightly. Use

the cloth to wipe the surfaces of the

rollers.

Hold a roller in place to prevent it from

rotating during cleaning and wipe it in

the direction recommended in the illus-

tration.

Caution! To prevent the rollers from

moving out of position, you must wipe

them clean in the direction recom-

mended in the illustration. The retard

roller especially must be wiped in one

direction to prevent it from moving out

of position.

Cleaning the scanner

Rollers to be cleaned are shaded

Retard roller

Wipe side to side to clean all rollers other than the

retard roller (see above)

Wipe in the direction of the arrow

Transport rollers

Feed rollers Rollers

Separation roller

With both hands on either side of

the ADF door, slowly close it in the

direction of the arrow and press it

down until you hear it lock in place.

When closing the ADF door, press down

evenly on both sides to ensure that it

latches shut correctly.

Open the ADF.

➀Pull out the exit document stop-

per in the direction of the arrow.

➁Below the hopper pull out the

Front door release.The ADF and

document cover separate.

➂Raise the ADF and open it com-

pletely.

Soak a clean cloth in a weak solu-

tion of water and mild detergent

then wring the cloth out tightly. Use

the cloth to wipe the surfaces of the

rollers.

Hold a roller in place to prevent it from

rotating during cleaning and wipe it in

the direction recommended in the illus-

tration.

Caution!If the sensor roller comes loose

during cleaning, reattach it after clean-

ing is completed. (➞49)

Cleaning the scanner

ADF door

ADF

Document cover

Exit document stopper

Front door release

Hopper

Transport roller

sensor roller

Wipe side to side to clean

Rollers

Close the ADF.

With your hands on both sides of the

ADF, press down slowly and gently with

even pressure on both sides until you

hear it lock in place.

Caution!To avoid damaging the hopper

extension tray, never press down on the

hopper extension tray to close the ADF.

Cleaning the scanning path

Cleaning the scanning glass, the CIS glass, the white plate, the sensor roller, the document sensor, the

double-feed detection sensor, and the paper detection sensor.

Switch the scanner off and discon-

nect the scanner power cord from

the power source.

Pull out the ADF door release and

open the ADF door.

Cleaning the scanner

ADF

Hopper extension tray

ADF door release

(inside the ADF door)

ADF door

Use the blower brush provided with

the scanner to clean the document

sensors, the double-feed detection

sensors, and paper detection

sensor.

Cleaning the scanner

Paper detection sensor

Double-feed detection sensor

Document sensors

Double-feed detection sensor

To clean the document, double-feed, and paper de-

tection sensors, remove the brush from the blower

and blow out the dirt through the holes

Blower

Close the ADF door.

With your hands on both sides of the

ADF, press down slowly and gently with

even pressure on both sides until you

hear it lock in place.

When closing the ADF door, press down

evenly on both sides to ensure that it

latches shut correctly.

Open the ADF.

➀Pull out the exit document stop-

per in the direction of the arrow.

➁Below the hopper pull out the

Front door release.The ADF and

document cover separate.

➂Raise the ADF and open it com-

pletely.

Cleaning the scanner

ADF

Document cover

Exit document stopper

Front door release

ADF door

Soak a clean cloth in a weak solu-

tion of water and mild detergent

then wring the cloth out tightly. Use

the cloth to clean the following:

•Scanning section glass

•CIS glass

•White plate

•sensor roller

Use the blower to clean the document

sensors.

Refer to the illustration for the locations

of these parts.

Caution!If the sensor roller comes loose

during cleaning, reattach it after clean-

ing is completed. (➞49)

Close the ADF.

With your hands on both sides of the

ADF, press down slowly and gently with

even pressure on both sides until you

hear it lock in place.

Caution!To avoid damaging the hopper

extension tray, never press down on the

hopper extension tray to close the ADF.

Cleaning the scanner

Document sensors

To clean the documentsensor,removethebrush from

the blower and blow out the dirt through the hole.

CIS glass

White plate

Scanning

section glass

sensor roller

Blower

Document sensor

Cleaning the cover sheet and document glass

Open the document cover.

Soak a clean cloth in a weak solu-

tion of water and mild detergent

then wring the cloth out tightly. Use

the cloth to clean the document

glass and the cover sheet.

Slowly close the document cover.

Document cover

Document glass

Cover sheet

Cleaning the scanner

Attaching the sensor roller

If the sensor roller comes loose while cleaning, reattach it as explained below.

Point the gear end of the roller shaft

to the left side of the scanner.

Insert the bushings on both ends of

the shaft into the guide grooves,

matching the flat sides of the bush-

ings with the flat sides of the of the

guide grooves.

After reattaching the sensor roller,

press it lightly with your finger and

confirm that it easily moves up and

down.

Cleaning the scanner

Left Side Gear Bushing

sensor roller

Guide groove

Flat side of bushing

Attach the right side in the same way.

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