Canon LBP-1260 Manuel utilisateur

LBP-1260

SERVICE

MANUAL

Canon

PREFACE

This Service Manual contains bask information required for after-sales service of the LBP- 1260

laser beam printer (hereinafter referred to as the “printer”). This information is vital to the

service technician in maintaining the high print quality and performance of the printer.

The cassette paper feeder and envelope feeder are prepared for the printer as optional

equipment, which contents are also described in this manual.

This manual is comprised of the following chapters:

Chapter 1:

Chapter 2:

Chapter 3:

Chapter 4:

Chapter 5:

Chapter 6:

General Description

Features. specifications, and operation

Operation and Timing

A description of the operating principles and timing sequences of the electrical and

mechanical systems.

The Mechanical System

Explanation of mechanical operation, disassembly, reassembly, and adjustment

procedures

Installation

Requirements for a suitable location, installation procedures, plus the storage and

handling of EP-E cartridges

Maintenance and Servicing

Parts replacement schedule, tools, lubricants, and solvents

Troubleshooting

Reference values and adjustments: troubleshooting procedures

General timing chart, general circuit diagram, PCB circuit diagrams, etc.

Information in this manual is subject to change as the product is improved or redesigned.

All relevant information in such cases will be supplied in Service Information Bulletins.

A thorough understanding of this printer. based on information in this Manual and Service

Information Bulletins, is required for maintaining its performance and for locating and

repairing the causes of malfunctions.

II.

III.

CHAPTER 1

FEATURES

. . . . . . . . . . . . . . . . . , . . , . . , . . , . .

SPECIFICATIONS

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

ASAFETY

INFORMATION.....

CHAPTER 2

BASIC

OPERATION . . . . . . . . . . . . . . . . .

FImctions.. ........................

B. Outline of the Electrical

System..............................

C. DC Controller Input

SignsIs

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

D. DC Controller Input/

output

SlgnaIs..................

E. Basic Sequence of

operations

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

II.

LASER/SCANNER SYSTEM

.....

A.Outline..

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

Scanning Exposure..

..........

c.Laser Control circuit..

.......

ScannerDrive..

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

III. IMAGE FORMATION SYSTEM.

A.Outline..

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

Printing

Process

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

C. High-Voltage Power Supply

IV.

PICK-UP/FEED SYSTEM..

.......

A.Outline

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

Paper Size Detection

.........

CassetteFeed..

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

CONTENTS

GENERAL DESCRIPTION

l-l IV. PART3 OF TIIB PRINTER

........

l-8

l-2

OPERATION

........................... 1-12

l-7

OPERATION AND TIMING

2-l D.

Fixing

and Delivery Unit

....

2-30

2-l

Paper Jam Detection

......

.:.

2-34

SYSTEM INTERFACE..

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

2-36

2-2

A.Outline..

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

2-36

B. Operation

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

2-37

2-3 C.

Video controller PCB

.........

258

Control panel

.................... 2-41

2-4

Self-test..

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

2-42

8tatus/Error Message..

......

2-43

2-0

VI.

POWER SUPPLIES

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

2-66

2-7

OutlIne..

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

2-56

2-7

Protective System

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

2-66

2-8

VII.

ENVBLOPE FEEDER..

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

2-67

2-10 A. Outline of the Electrical

2-13 System..

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

2-67

2-1s

Pick-up/ Feed Gystem........

2-58

2-1s

Paper Jam Detection..

.......

2-60

2-17

VIII. PAPER FEEDER...................... 2-61

2-23 A. Outline of the Electrical

2-27 System..

............................ 2-61

2-27

Pick-up/Feed

system..

......

2-62

2-28

Paper Jam Detection..

.......

2-62

2-29

CHAPTER 3 THE MECHANICAL SYSTEM

EXTERNALS

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

3-l III. PAPER TRANSPORT SYSTEM. S-7

A.Covers and Panels

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

3-l A.Paper Pick-up Unit..

...........

3-7

Bxkaust Fan..

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

3-4 B. Cassette pick-up Roller

......

3-9

Control Panel Unit..

...........

3-5

MP Tray Pick-up Roller..

....

3-9

II.

DRIVESYSTEM..

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

3-6

Separation Pad..

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

S-10

Drive

Unit.......................... 3-6

Paper Delivery Unit

...........

3-10

B.Main

Motor

........................ 3-8

Iv. EXPOSURE SYSTEM..

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

3-11

VI.

VII.

II.

III.

II.

III.

II.

III.

Laser/Scanner Unit

........... 3-l

Video Controller PCB..

.......

3-19

ELECTROSTATIC IMAGING/

DC Controller PCB..

...........

3-20

DEVELOPING/CLEANING

D. pick-up Motor

Driver

PCB

. 3-21

SYSTEM

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

3-12 E. Sensor PCB

........................ 3-21

EP-E Cartridge..

................. 3-12

Power

Supply..

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

3-22

B. Transfer Charging Roller

....

3-13

G. High-voltage Power

FIXING SYSTEM..

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

3-14

Supply

PCB

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

3-23

Firing

Unit..

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

3-14 VIII. ENVELOPE FEEDER...............

3-24

ELECTRONIC COMPONENTS.. 3-18 IX. PAPER FEEDER

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

S-28

Video Controller Unit..

.......

S-18

OTHERR

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

3-30

CHAPTER 4 INSTALLATION

CHOOSING A LOCATION..

.......

4-1

. Storage of Sealed

UNPACRING AND Cartridges

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

4-4

INSTALLATION..

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

4-2 B. Storage of Unsealed

STORAGE AND HANDLING OF Cartridges

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

4-4

CARTRIDGES

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

4-4

Iiandling Suggestions

........

4-5

CHAPTER 5 MAINTENANCE

AND

SERVICING

PERIODIC REPLACEMENT .Standard Tools

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

5-2

PARTS

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

5-l B. Special Tools

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

5-3

EXPECTED LIVES OF

LIST OF LUBRICANTS,

CONSUMABLES PARTS..

.........

S-

CLEANERS..

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

5-4

PERIODIC SERVICING VI. SERVICE CHECKPOINTS

........

5-5

SCHEDULE..

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

VII. MAINTENANCE BY

LISTSOF TOOLS..

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

5-2 CUSTOMER..

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

5-7

CHAPTER 6 TROUBLESHOOTING

INTRODUCTION..

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

Initial Check

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

6-l

BasicProcedure..

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

6-2 N.

C. How to use the

Troubleshoot

Tables

......

6-3

EXPLANATION OF SPECIAL

TOOL

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

.Printer Driver Tester..

.......

MEASUREMENT AND

VI.

ADJUSTMENT

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

6-S

A.Image Adjustment..

........... 6-S

B. Mechanical Adjustment . . . . .

6-S

C. Electrical Adjustment . . . .

..a.

6-10

IMAGE DEFECTS . . . . . . . . . . . . . . . . . . . .

6-14

Examples

of Image Defects 6-14

B. Troubleshooting Image

Defects

. . . . . . . ..I....................

6-15

TROUBLESHOOTlNG

MALFUNCTIONS . . . . . .

6-28

PAPER TRANSPORT

TROUBLESIiOOTING . . . . . . . . . . . . . .

6-42

Print Paper Jams . . . . . . . . . . . . . . .

6-42

B. Incomplete Paper Feed..

....

6-46

VII. LOCATION OF ELECTRICAL

PARTS/FUNCTION..

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

6-48

.Stitches..

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

6-48

Sensors and Solenoids..

.....

6-60

Motors and Others..

...........

6-52

PC Boards..

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

6-54

Connectors..

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

6-66

VIII. VARIABLE RESISTORS. LEDS.

TEST

PINS, JUMPBRS.

AND

SWITCBBS ON pC BOARDS..... 6-68

DC Controller PCB . . . . . . . . . . . . .

6-68

Ii@-voltage

Power

Supply PCB.... . . . .

6-59

C. Pick-up Motor Driver PCB.. 6-60

D. Paper Feeder Driver PCB.... 6-60

GENERALTIMING CHART..

....

A-l

PICK-UP MOTOR DRIVER

.......

A-S

II.

LIST OF SIGNAL6..

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

A-3

VI.

SENSOR CIRCUIT

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

A-10

III. GENERAL CIRCUIT DIAGRAM. A-5

VII.

PAPER FEEDER DRIVER

........

A-l 1

IV.

DC CONTROLLER..

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

A-6

VIII.

ENVELOPB

FEEDER

DRLVER

A-12

CHAPTER 1

GENEIUL

DESCRIPTION

FEATURES.............................

l-1

IV. PARTS OF THE PRINTER........ l-8

II,

SPECIFICATIONS........ . . . . . . . . . . . .

l-2

V. OPERATION

. . . . . . . . . . . . . . ..f...........

l-L2

III.

SAFETY INFORMATION..... I-7

1. Non-impact page

printer

This non-tmpact (low-noise) printer uses electrophotographic. electronic, and laser technology.

High-speed printer

The same size as LBP-1260. it is a high-speed printer realizing a printing speed 1.5 times as

fast [about 12.9 pages of Letter size paper a minute].

High print quality

through use

of fine toner and high resolution (600 dpi)

Toner having a particle size half that of conventional Canon toner and higher resolution (600

dpi)

produce clearer images.

4. Easy

maintenance

The

photosensitive drum. toner, primary charging roller, and drum cleaning unit are

combined

into one replaceable assembly called the “EP-E Cartridge”. By the use of the customer-

replaceable cartridge. high printing quality is maintained by replacing the cartridge and simple

cleaning in the printer.

Roller charging/transfer system

Instead of the conventional corona system, a charging

roller/transfer system

used for the

charging and transfer processes. The charging roller system considerably reduces the ozone

produced by the charging system and the roller transfer system makes paper feeding more

stable.

Space-saving front loading for paper feed

Front loading is used to make it easier to load paper. This, along with the

bulk-in,

multi-

purpose tray, reduces the size of the printer and the space it takes up.

Four paper feed methods with

various

options

Four-way paper feeding is made possible by installing the optional

cassette paper feeder

(simply called the paper feeder below) and

envelope feeder,

in addition to the multi-purpose

tray and cassette. By combining the standard cassette

with

the paper feeder,

up to about 750

sheets of paper can

be loaded In both the upper and lower cassettes for

continuous

printing.

Automatic interface change function

The printer has a parallel interface

[Centronics)

and a serial interface (RS232C). It recognizes

the type (parallel or serial) of data from the computer, and automatically l changes the

interface. (Automatic interface function)

l-l

CHAPTER

Desktop page printer

Printing method Electrophotography

laser scanning system

Laser

Semiconductor laser

Scanning system Rotating six-faced prism mirror

(S&mnlng

mirror)

Scanning pitch

H0ri20nti 600 dots/Inch

Vertical

600 raster

lines/inch

Photosensitive medium

OPC

Charging

Roller charging

Exposure Laser scanning

TOneI

Single-component dry toner

Development Toner projection development

Toner supply Included in replaceable EP-E

cartrIdge

mhhe

cartridge can be used to

about 6.000 pages ofA4/Letter-size paper. The average print coverage is

a 4% image dot

ratio

with

the

prfnt

density setting in the middle.)

Paper feed

Multi-purpose tray feed

Cassette feed

Crwo

cassettes can be used when the paper feeder is

installed.)

TransflX Roller transfer

Separation Curvature: (small drum radius/paper stiffness)

Cleaning

Blade

F-w

Heat roller

(750

W II20

VII

Print delivery

Face-down

l-2

CHAPTER

B. Performance

Printing speed

rime for first print

Warm-up

(WAIT)

time

DaDeI

Paper size of multi

purpose tray

Paper size of cassette

Multi-purpose tray

caoacitv

cassette

twx

Cassette swxifications

Print delivev

Option

C. Others

About 12.2

pages/min

(A4)

About 12.9

pages/min

(

Letter]

18.9 s

01’

less

iThe

amount of

time

from when

the

printer

receives

/PRNT

slgnal

from the video controller when it is ready at an ambient

temperature of 20°C until the deliver of an

A4-/Letter-size

paper.1

60 s or less

(

120 v power source)

or less (100 v power source)

IThe

amount of

time

elapsed after

the

printer is

turened

ON until

the

completion of

the

warn-up

time.

at an ambient temperature of 20°C

with

a rated voltage input.)

Plain paper. labels, OHP

film.

envelopes

Plain paper from 182 mm X 257 mm to 216 mm X 356 mm

(Canon-

approved paper. 60

g/m’

128

g/m’).

and above type mentioned above

Plain paper of

A4,

Legal. Letter. or Executive (Canon-approved paper. 60

g/m2

to 90

g/m*)

Up to 10 mm stack height (about 100 sheets of 80

g/m*

paper)

A4. Letter, Universal

(Legal,

Letter, A4, Executive]

Up to 25 mm stack

height

(about 250 sheets of 80 g/m’ paper)

Up to 25 mm stack

height

(about 250 sheets of 80 g/m’ paper)

Envelope feeder and paper feeder

Operating environment

Temperature

Humidity

Atmospheric pressure

Power consumption

10 to

32.5’C

(50 to

90.5”F)

20 to 80% RH

760 to 1013

hPa

(570 to 760

mmHg)

Max. about

1kW

(at

ambient temperature of 20°C and rated voltage

input)

Noise level (DECLARED

SOUND POWER LEVEL (lB=lO

dB1

6.5 B or less (printing)

NOISE EMISSIONS in 4.4 B or less (standby)

accordance with IS0 9296) SOUND PRESSURE LEVEL 51

or less (printing)

(Bystander positions)

or less

[standbv)

Dimensions

416 mm X 414 mm X 295 mm (width X depth X height)

Weight

About

17 kg

(prlnterl.

About 1.5 kg (cartridge). About lkg (cassette)

Line voltage requirements

lOO-

120 V

(50/60

Hz)

(voltage

tolerance

G%)

1-3

CHAPTER 1

D. Video controller

Printer

control

language

Memory [RAM]

Memory (ROM)

internal

fonts

Effective printable area

Optlon

card slot

Standard Interfaces

Serial

Parallel

Standard: Enhanced PCL (PCL 5e)

Emulation: Optional

PostSctiptm

2MB (Expandable to 32 Megabytes in total with optional RAM SIMM)

2 or 4MB (Expandable to 32 Megabytes in total with optional ROM SIMM)

See Table

l-1

and I-2.

See

FigureI-1.

NOI?

RS-232C. asynchronous. 300. 600.

1200.2400.4800.9600.

19200,

38400 baud

Data length: 7 or 8 bits

Parity:

desired

Stop bits: 1 or 2

Handshaking: XON-XOFF.

EZTX-ACK,

or DTR

S-bit parallel

(Centronics

standard] interface

E. Envelope feeder

(~~~velope

Feeder EF-6)

Pick-up speed About 9

envelopes/min

Envelope type COM-10. DL, Monarch,

C5,

B5 (recommended envelope)

Envelope size Envelopes from 96mm X

189mm

188mm

X 254mm

capacity

Up to 55 mm stack

height

(about 75 envelopes)

Power supply

DC24V

(Supplied by the printer)

DIIIlenSiOIlS

297 X 293 X 91 mm (width X depth X height)

Weight About 2

kcr

F. Paper feeder (Paper Feeder Unit

PF-6)

Cassette

type

EP-E Cassette 500 Universal S (Letter. A4. Executive)

EP-E Cassette 500 Universal L (Legal, Letter. A4. Executive)

cassette

specifications

Up to 50 mm stack height labout 500 sheets of 80

g/m2

paper)

Power supply

DC24V

(Supplied by the printer)

Dimensions 416 X 470 X 134 mm (width X depth X height) Iincluding legal cover)

weight

About 3.9 kg (paper

feeder). about 2 kg (universal cassette]

Specifications are subject to change with product improvement.

1-4 .

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