Fuser SVC Guide.pdf

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Microsoft PowerPoint - Millet_Tulip Fuser Component Repair Guide

Fuser Service Guide

Service Guide

[ CLP-310 /315 / CLX-317x series ]

Service Guide

0

SAMSUNG ELECTRONICS

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Fuser Service Guide

CONTENTS

1. Millet Fuser Error Algorithm ÈÈÈÈÈÈÈÈ 2

2. Defect Judgment Flow Chart ÈÈÈÈÈÈÈÈ.. 3

3. Component SVC part & Method ÈÈÈÈÈÈ.. 8

Service Guide

1

SAMSUNG ELECTRONICS

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Fuser Service Guide

1. Millet series Fuser Error Check Algorithm

1) S/W Protection

Over heat error : Check, always

-. Stay more 3 min. on condition over 190℃ : Check, when Stand-by Status.

-. Stay more 30 sec. on condition over190℃ : Check, when Warm-up & Power Save

-. Stay more 20 sec. on condition over 205℃ : Check, always

-. Stay more 2 sec. on condition over 215℃ : Check, always

Low heat error :

-. Not to reach 150 ℃ for 3 min 40 sec : When warm up

-. Stay more 20 sec. under 20℃

: When Printing & Stand-by

Up, Check

-. Stay more 20 sec, under 50℃

Up, Check

by & Printing, Check

-. Stay more 10 sec, Over 50 ℃ gap with ADC value.

by & Printing, Check

2) H/W Protection : Compulsorily Heater Off, when sensing over 188

188℃ in Thermistor

in Thermistor

3) Mechanical Protection : On Thermostat sensing 170℃, Thermostat Open

, Thermostat Open

Service Guide

2

SAMSUNG ELECTRONICS

Over heat error : Check, always

Low heat error :

Open heat error : When Warm

Open heat error : When Warm-Up, Check

Abnormal ADC : When Stand

Abnormal ADC : When Stand-by & Printing, Check

2) H/W Protection : Compulsorily Heater Off, when sensing over

188

3) Mechanical Protection : On Thermostat sensing 170

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Fuser Service Guide

2. Defect Judgment Flow Chart

1. Jam 2

Check the leadedgeof Jam

paper.

Before Entering

Fuser?

YES

Guide Input

Assembly

Defect?

YES

Guide-Input Fuser

Section 3.3.5

NO

NO

Damage in

Guide Input Rib

surface?

YES

Guide-Input Fuser

Section 3.3.5

NO

If “NO” damage to

input guide, and if

paper is stopping

“before entering

Fuser” then why are

we replacing fuser”

YES

Before,

entering Exit

Roller?

Damage Guide

Output Rib

surface?

YES

Guide-Output

Section 3.3.4

NO

NO

Damage or

wrong assembly

in Actuator-

Exit?

YES

Actuator-Exit Re-

assembly or change

NO

Damage in

Guide Rib

surface of

Upper

YES

Fuser Change

Î

Fuser?

Rolled in Heat-

Roller?

NO

NO

After changing fuser

& Re-check

YES

Change the Fuser

Remove the Paper

& Re-Check

Service Guide

3

SAMSUNG ELECTRONICS

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Fuser Service Guide

2. Abnormal Noise

Gear Gear not

meshing?

YES

Fuser Mounting

screws stripped or

not tight?

YES

Tighten or

change the

M4-10 screws

NO

NO

YES

Remove wrap

paper, clean

and inspect

rollers.

Wrap Jam?

NO

Damage Fuser

Drive Gear?

YES

Replace Fuser

Gear

JC66-00669A

NO

Bushing melting

and

Heat Roller

damage?

YES

Replace Heat

Rollers

and bushings,

then test

NO

Replace Fuser

& recheck

YES

Are gear drive

parts

worn due to lack

of Grease?

YES

Add "High

Temperature

Grease" of

drive gear

parts,

replace any as

is necessary

Friction Noise?

NO

NO

Abnormal

wear of the

Fuser Gear

JC66-00669A

YES

Replace Fuser

Gear JC66-

00669A

Replace Fuser

& recheck

NO

Replace Fuser

& recheck

Service Guide

4

SAMSUNG ELECTRONICS

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