Canon NP6317 Comment utiliser

1999 CANON INC. CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

REVISION 0

FY8-23B5-000

APR. 1999

1999 CANON INC. CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

IMPORTANT

THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN,TO SERVE AS A SOURCE

OF REFERENCE FOR WORK INTHE FIELD.

SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY

FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER

PRINTED MATTER.

ANYQUESTIONSREGARDING INFORMATIONCONTAINEDHEREINSHOULDBE DIRECTED

TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY.

THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS, AND MAY CONTAIN INFOR-

MATION NOT APPLICABLE TO CERTAIN AREAS.

Printed in Japan

Imprimé au Japon

Use of this manual should be strictly su-

pervised to avoid disclosure of confidential

information.

Prepared by

OFFICE IMAGING PRODUCTSTECHNICAL SUPPORT DIVISION

OFFICE IMAGING PRODUCTS QUALITY ASSURANCE CENTER

CANON INC.

5-1, Hakusan 7-chome,Toride-shi, Ibaraki 302-8501 Japan

CONTENTS

CHAPTER 1 MAINTENANCE AND INSPECTION

A. PERIODICALLY REPLACED

PARTS..........................................1-1

B. DURABLE PARTS........................1-2

C. BASIC PROCEDURE FOR

PERIODIC SERVICING...............1-3

D. PERIODIC SERVICING

SCHEDULE .................................1-4

E. BASIC IMAGE ADJUSTMENT

PROCEDURE ..............................1-5

F. POINTS TO CHECK FOR

PERIODIC MAINTENANCE ........1-6

CHAPTER 2 STANDARDS AND ADJUSTMENT

A. MECHANICAL .............................2-1 B. ELECTRICAL............................ 2-15

A. SENSORS, FUSES AND

LAMPS.........................................3-1

B. CLUTCHES, SOLENOIDS, FANS,

MOTORS AND HEATERS ...........3-2

CHAPTER 4 IMAGE TROUBLESHOOTING

C. SWITCHES, CIRCUIT BREAKERS,

COUNTERS, ETC........................3-3

D. PCBS. ..........................................3-4

A. INITIAL CHECK ...........................4-1

B. SAMPLES OF IMAGE FAULTS ...4-4

CHAPTER 5 OPERATION TROUBLESHOOTING

CHAPTER 3 FUNCTION AND ARRANGEMENT OF THE

ELECTRICAL PARTS

C. TROUBLESHOOTING OF IMAGE

FAULTS ........................................4-5

A TROUBLESHOOTING OF

MALFUNCTION ...........................5-1

CHAPTER 6 TROUBLESHOOTING FEEDING PROBLEMS

CHAPTER 7 SERVICE MODE

CHAPTER 8 SELF DIAGNOSIS

APPENDIX

A. PAPER JAMS...............................6-1 B. INCORRECT PAPER FEED

OPERATION ................................6-5

A. Outline..........................................7-1

B. Using the Service Mode...............7-1 C. Guide to Service Mode ................7-2

A. GENERAL TIMING CHART ........ A-1

B. LIST OF SIGNALS/

ABBREVIATIONS ....................... A-3

C. GENERAL CURCUIT

DIAGRAM ................................... A-5

D. SOLVENTS AND OILS LIST....... A-7

E. SPECIFICATIONS ...................... A-8

CHAPTER 1 MAINTENANCE AND INSPECTION

1-1

CHAPTER 1 MAINTENANCE AND INSPECTION

A. PERIODICALLY REPLACED PARTS

To maintain the copier at its peak performance, the parts listed in the following chart must be

replaced periodically. Although the deterioration of a part may not be visible, it can seriously

hamper the performance of the copier if not replaced on schedule.

Parts should be replaced during the regular service visit that is closest to the end of the service

life of the part. as of March 1999

Table 1-1

Note:

The above values are estimates and are subject to change depending on future data.

Repacement

60,000

300,000

No.

Description

Ozone filter

Optical fan filter

Static charge eliminator

Transfer corona wire

Developing cylinder

spacer roller

Part No.

FF2-5595-00P

FA0-0339-00P

FF1-9438-070

FY3-0040-000

FS2-6019-000

Remarks

Or 1year

Quantity

CHAPTER 1 MAINTENANCE AND INSPECTION

1-2

B. DURABLE PARTS

The values shown in the table below indicate the expected average life (number of copies) of

parts which may require replacement at least once during the warranty period due to deterioration

or damage but which can be simply replaced to restore the performance of the copier.

as of March 1999

Table 1-2

Note:

The above values are estimates and are subject to change depending on future data.

No.

Remarks

Must be re-

placed at the

same time

Service life

(number of

copies)

30,000

100,000

200,000

90,000

100,000

Quantity

Part No.

FA5-1952-000

FC2-9799-00P

FH7-3114-000

FC2-9750-00P

FS1-1240-000

FG2-3009-00P

FC2-8962-00P

FC2-9774-00P

FB1-0301-000

FA2-9037-000

FB1-8581-000

FF3-3698-00P

FF3-2855-00P

FB3-4494-00P

Description

Oil-applying roller (fixing

assembly)

Scanner drive cable

Scanning lamp (scanner)

Paper pick-up roller

(pick-up assembly)

Upper fixing roller

bearing (fixing assembly)

Pre-exposure lamp

Upper fixing roller (fixing

assembly)

Lower fixing roller

(fixing assembly)

Upper separation claw

(fixing assembly)

Lower separation claw

(fixing assembly)

Multi feeder roller

Pad (multi feeder)

Thermistor assembly

Heat sink roller

CHAPTER 1 MAINTENANCE AND INSPECTION

1-3

C. BASIC PROCEDURE FOR PERIODIC SERVICING

Note:

i. Perform periodic servicing after every 15,000 copies, as a general rule.

ii. Before making a service call, check the service log and take along any replacement parts

that are likely to be needed:

Table 1-3

No.

Remarks

Standard: 2.0 ±1.5 mm

(DIRECT)

Standard: 10.0 ±2.0 mm

(DIRECT), front side

Dry wipe using lint-free paper;

then clean using alcohol.

Alcohol

Check

Condition of copier

Number of miscopies

a.Image density

b.Dirty background

c.Clarity of letters

d.Leading edge blank area

e.Left and right margins

f. Fixing, synchronizing, and

soiling of back

g.Unusual noise

h.Operation of counter

Procedure

Note the operator's comments.

Record the counter reading.

Make DIRECT and two-page

overlay test copies.

Clean the corona assemblies.

Clean separation feeder assem-

blies.

Clean fixing and delivery

assemblies.

• Paper guide plate

• Separation claws (upper and

lower)

Perform the periodic servicing

appropriate to the number of

copies. (See p. 6-4.)

Clean the copyboard cover and

the copyboard glass.

Check the amount of waste

toner.

Make test copies.

Make sample copies.

Select sample copies to keep for

the users record.

Clean up around the copier.

Record the final counter value.

Fill in the service sheet and

check out with the person in

charge.

CHAPTER 1 MAINTENANCE AND INSPECTION

1-4

D. PERIODIC SERVICING SCHEDULE

Note:

Do not use solvents or oils other than those specified.

: Clean : Replace : Lubricate : Adjust : Check

* Items to be cleaned every 15,000 copies or every 6 months, whichever comes first.

Table 1-4

Unit

External

Scanner drive

assembly

Feeder

Optical path

Corona assemblies

Developing assembly

Fixing assembly

Drum unit

Remarks

Clean with alcohol.

Replace yearly.

Clean with alcohol then

apply high vis cosity

lubricating oil (TKN-

0451).

Damp cloth

Clean with a blower

brush. If very dirty, clean

with alcohol.

Clean mirror 6 with the

mirror cleaning tool.

Dry wipe using lint-free

paper; then clean using

alcohol.

Damp cloth

Clean with alcohol.

Clean with cleaning oil.

Clean with MEK.

Every

30,000

copies

Every *

15,000

copies

Description

Copyboard glass

Ozone filter

Scanner rails

Transfer guide

Feeder belt

Feeder frame

Scanning lamp reflector

Scanning lamp side

reflector

Mirror 1 to 6

Lens

Dustproofing glass

Primary corona assembly

Primary corona wire

Transfer corona assem-

bly

Transfer corona wire

Static charge eliminator

Spacer rollers (front and

rear)

Upper fixing roller

Lower fixing roller

Paper guide plate

Separation claws

(upper and lower)

Lower face of drum unit

Periodic servicing

1-5

E. BASIC IMAGE ADJUSTMENT PROCEDURE

Figure 1-1

Pre-check Adjusting side-to side

density Adjusting the density

Clean the corona wires.

Make the following copies

(using test sheet NA-2 or

NB-3)

Copy density 5: 2 copies

Copy density 1: 1 copy

Check the following :

1. Differences in density

between the near and

far sides of the copies.

2. Density of gray scale

No. 10.

3. Fogging in blank areas.

Adjust Service mode ( ).

(See p. 2-1.)

Return copy density

to 5.

Replace the grid plate and

grid mounting panel.

Check for stains on the

scanning lamp, reflector

plate, and mirror; clean

them if necessary.

Is the top

margin of the copy

at copy density 1 within

the standard? Make one copy.

YES

Replace the drum unit. Make one copy.

Mount the drum unit

and make one copy.

Is there a

difference in density

in the image area of a

reduced copy?

Is there a

difference in density

on the near and far sides

of the copies?

Is the

distance bet-

ween the primary

corona grid and the photo-

sensitive drum

correct?

YES

(Note 1)

YES

Turn the copy density knob

clockwise. (Note 2)

(The image will become

lighter.)

Turn the copy density knob

counterclockwise. (Note 3)

(The image will become

darker.)

Is the

density of gray

scale No. 10 too dark?

(See Note 3.)

YES

Is the

density of gray

scale No. 10 correct?

(See Note 3.)

NO (See Note 4.)

YES End.

Image adjustment should be per-

formed using the following settings:

1. Manual (non AE) exposure

2. Density cursor setting : 5

3. DIRECT reproduction ratio

Adjust the image by the following

procedure when the photosen-

sitive drum has been replaced.

Make this adjustment with the

upper front panel and front door

installed.

Note 1 : The distance between the grid and

photosensitive drum is determined by

the spacer mounted on the grid.

Check for deterioration or damage to

the spacer.

This changes the developing bias, but

not the intensity of the scanning

lamp.

Note 2 :

No. 10 on the gray scale of a copy

should reproduce the density of No. 8

on the gray scale of the test sheet,

and no fogging in the background

should be visible.

Note 3 :

Turning the copy density knob clock-

wise too far past the proper position

will result in fogging in blank areas.

Note 4 :

1-6

F. POINTS TO CHECK FOR PERIODIC MAINTENANCE

Figure 1-2

Reflectors

Copyboard/Scanner

Mirrors 1, 2 and

Location

Copyboard glass

Blower brush

Blower brush or

alcohol and

lint-free paper

Tool/Cleaner

Alcohol

Cleaning

Clean with a

blower brush.

If dirt cannot be

removed with a

blower brush,

clean with

alcohol.

Action/Remarks

Cleaning

Upper fixing

roller, lower

fixing roller

Location

Separation claws

Paper guide plate

Heat sink roller Cleaning oil

(TKN-0464)

Cleaning oil

(TKN-0464)

Tool/Cleaner

MEK

Cleaning

Action/Remarks

Cleaning

MEK Cleaning

Cleaning

Fixing assembly and Paper pick-up assembly

Feeder belt

Feeder assembly

Location

Transter guide

Tool/Cleaner

Damp cloth

Action/Remarks

Cleaning

Separation and transfer assemblies

Primary corona

grid

Location

Developing

rollers

Primary corona

assembly

Transfer corona

assembly

Static charge

ellminator

Tool/Cleaner

Alcohol

Alcohol and lint-

free paper

Blower brush

Action/Remarks

Cleaning

Wipe with a dry

cloth; then, clean

with lint-free

paper moistened

with alcohol.

Cleaning

Corona assemblies

Location

Lens

Dust-proofing

glass

Mirror 4/5

carriage

Mirror 6

Tool/Cleaner

Blower brush or

alcohol and

lint-free paper

Mirror

creaning tool

Action/Remarks

Clean with a

blower brush.

If dirt cannot be

removed with a

blower brush,

clean with

alcohol.

Cleaning

Optical path

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