CANON LBP 3260 SS-72 Service Manual

SERVICE MANUAL

REVISION 0

RY8-1394-000

FEB. 1999

STAPLER STACKER

Printed in Japan

Imprimé au Japon

Use of this manual should be strictly supervised to avoid disclosure of confidential information.

Prepared by

PERIPHERAL PRODUCTS QUALITY ADVANCEMENT DIV.

PERIPHERAL PRODUCTS TECHNICAL DOCUMENTATION DEPT.

CANON INC.

5-1, Hakusan 7-chome, Toride-City, Ibaraki-Pref. 302-8501, Japan

PREFACE

This Service Manual contains basic information required for after-sales service of the Stapler stacker SS-72. This information is vital to the service technician in maintaining the high print quality and performance of the stacker.

This manual consists of the following chapters:

Chapter 1: Product information

Features, specifications, and installation

Chapter 2: Operation and Timing

A description of the operating principles and timing sequences of the electrical and mechanical systems.

Chapter 3: The Mechanical System

Explanation of mechanical operation, disassembly, reassembly and adjustment procedures

Chapter 4: Troubleshooting

Troubleshooting procedures, measurement and adjustments, maintenance and servicing, etc.

Appendix: General circuit diagram and list of signals

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 the Service Information Bulletins.

A thorough understanding of this stapler stacker, 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.

DTP system

This manual was produced on an Apple PowerMacintosh 9500/200 personal computer and output by an Apple LaserWriter 16/600 PS laser beam printer; final pages were printed on DAINIPPON SCREEN MFG CO. LTD DT-R3100.

All graphics were produced with Macromedia FreeHand (J), and all documents and page layouts were

created with QuarkXPress (E).

The video images were captured with SONY degital video camcorder and Radius PhotoDV capture board

system, and modified with Adobe Photoshop (J).

CHAPTER 1 PRODUCT INFORMATION

I. FEATURES ............................ 1-1

II. SPECIFICATIONS .................. 1-2

III. PARTS OF THE STAPLER

STACKER .............................. 1-3

IV. INSTALLATION ...................... 1-5

V. MAINTENANCE AND

SERVICING BY THE

CUSTOMER ........................... 1-14

CHAPTER 2 OPERATION AND TIMING

CHAPTER 3 THE MECHANICAL SYSTEM

I. BASIC OPERATION ................ 2-1

A. Outline ............................. 2-1

B. Outline of the Electrical

System ............................. 2-2

C. Input/Output of the Stapler

Stacker Driver PCB ........... 2-3

II. FEED/DRIVE SYSTEM ........... 2-7

A. Outline ............................. 2-7

B. Paper Feed/Delivery ......... 2-12

C. Job Offset ........................ 2-14

D. Stapling Operation ........... 2-16

E. Tray Movement ................ 2-24

F. Stapler Unit ...................... 2-26

G. Detection of Paper

stacked on Tray ............... 2-27

H. Paper Jam Detection ........ 2-28

III. POWER SUPPLIES ................. 2-30

A. Outline ............................. 2-30

B. Protection System ............ 2-30

I. PREFACE .............................. 3-1

II. EXTERNALS .......................... 3-2

A. Locations ......................... 3-2

B. External Covers ................ 3-3

III. MAIN UNITS .......................... 3-6

A. Staple Tray Unit ............... 3-6

B. Staple Unit ....................... 3-7

C. Tray Drive Unit ................ 3-7

IV. MAIN PARTS ......................... 3-9

A. Locations ......................... 3-9

B. Stapler ............................. 3-10

V. SWITCHES ............................ 3-11

A. Locations ......................... 3-11

B. Top Cover Open Detection

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

C. Swing Guide Close

Detection Switch .............. 3-12

D. Safety Area Detection

Switch .............................. 3-13

E. Shutter Close Detection

Switch .............................. 3-13

F. Tray Upper Limit

Detection Switch .............. 3-14

G. Front Cover Open

Detection Switch .............. 3-14

VI. SENSORS .............................. 3-15

A. Locations ......................... 3-15

B. Entrance Paper Sensor ..... 3-16

C. Reversing Paper Sensor .... 3-16

D. Delivery Paper Sensor ...... 3-17

E. Staple Tray Paper Sensor . 3-17

F. Shutter Close Sensor ........ 3-18

G. Adjustment Plate Home

Position Sensor ................ 3-18

H. Stapler Home Position

Sensor .............................. 3-19

I. Tray Home Position

Sensor .............................. 3-19

J. Tray Up/Down Motor

Clock Sensor .................... 3-20

K. Delivery Motor Clock

Sensor .............................. 3-20

L. Swing Guide Close Sensor 3-21

M. Distance Sensor ............... 3-21

N. Tray Up/Down Motor

Temperature Sensor ......... 3-22

O. Joint Sensor ..................... 3-22

P. Tray Paper Sensor (1to3) .. 3-23

VII. SOLENOIDS ........................... 3-24

A. Locations ......................... 3-24

B. Paddle Drive Solenoid ...... 3-25

C. Reference Plate

Withdrawal Solenoid ......... 3-25

D. Reversing Roller Drive

Solenoid ........................... 3-26

E. Face-up Deflector Solenoid 3-26

VIII.MOTORS ............................... 3-27

A. Locations ......................... 3-27

B. Feed Motor ....................... 3-28

C. Delivery Motor ................. 3-28

D. Adjustment Plate Motor ... 3-29

E. Stapler Transfer Motor ..... 3-29

F. Tray Up/Down Motor ........ 3-30

G. Staple Motor .................... 3-30

IX. ELECTRICAL PARTS .............. 3-31

A. Locations ......................... 3-31

B. Staple Stacker Driver PCB 3-32

C. Power Supply Unit ............ 3-32

D. Option Interface PCB ....... 3-33

E. Tray Up/Down Motor

Clock Sensor PCB ............. 3-33

CHAPTER 4 TROUBLESHOOTING

APPENDIX

I. PREFACE .............................. 4-1

A. Malfunction Diagnosis

Flowchart ......................... 4-2

B. Initial Check .................... 4-3

II. SERVICE MODE .................... 4-4

III. PAPER JAMS

TROUBLESHOOTING ............. 4-8

IV. PAPER TRANSPORT

TROUBLESHOOTING ............. 4-11

V. MALFUNCTION

TROUBLESHOOTING ............. 4-12

VI. MALFUNCTION STATUS

TROUBLESHOOTING ............. 4-13

VII. MEASUREMENT AND

ADJUSTMENT ....................... 4-18

A. Mechanical Adjustment .... 4-18

B. Electrical Adjustment ....... 4-18

C. Variable Resistors, LEDs,

Test Pins, Jumpers and

Switches on PCBs ............. 4-20

VIII.MAINTENANCE AND

SERVICING ............................ 4-23

A. Periodic Replacement

Parts ................................ 4-23

B. Expected Service Lives of

Consumable Parts ............. 4-23

C. Periodic Service ............... 4-23

D. Standard Tools ................. 4-23

E. Special Tools .................... 4-23

F. Solvents and Oil List ........ 4-24

IX. LOCATION OF CONNECTORS 4-25

I. GENERAL CIRCUIT DIAGRAM A-1 II. LIST OF SIGNALS .................. A-3

CHAPTER 1

PRODUCT INFORMATION

I. FEATURES ............................ 1-1

II. SPECIFICATIONS .................. 1-2

III. PARTS OF THE STAPLER

STACKER .............................. 1-3

IV. INSTALLATION ...................... 1-5

V. MAINTENANCE AND

SERVICING BY THE

CUSTOMER ........................... 1-14

I. FEATURES

1. Large-capacity output trays

The stacker has 3 bins, each of which can hold up to 670 sheets of A4 or Letter size paper (64 g/m2). Using the all 3 bins, total of up to about 2,000 sheets of paper can be stacked.

2. Job offset

This feature shifts the very first page of each job to one side when it is output and groups the printed paper in the tray by the job.

3. Stapling mechanism

By the control signal from an external device, stapling positions on the leading edge of the paper can be selected from two points in the middle, one point on the nearer corner and one point on the farther corner.

1 - 1

CHAPTER 1

II. SPECIFICATIONS

Stacking method 3-tray ascending/descending type Number of trays 3 Paper delivery Face-down or face-up Stacking types

Face-down Simple stacking, job offset or stapled Face-up Simple stacking

Paper types (Note 1) Plain paper, colored paper, thick paper, labels, OHT, envelopes Paper sizes Plain paper of A3, B4, A4, A4R, B5R, A5R, Ledger, Legal, Letter,

Letter-R and Executive-R size and 98.4mm × 190.5mm (min.) ~ 297mm × 432mm (max.) (64 ~ 128 g/m

IV. INSTALLATION

A. Notes

Use the following power supplies;

• Line voltage (AC): -10%, +6% of rated voltage

• Power frequency: 50/60Hz ± 2Hz

B. Unpacking and installation

If the boxed stapler stacker is brought into the warm from a cold storeroom, condensation will form on the stapler stacker surfaces. This will cause various problems, such as transport errors. To stop this happening, make sure you leave the stapler stacker in its box to gradually warm up to room temperature before unpacking it. This will take at least an hour.

1. Unpacking the stable stacker

1) Open the stable stacker package and remove the carton.

2) Check that the following are present.

➀ Trays ➁ Screws ➂ Grounding adapter ➃ Paper delivery slot adapter ➄ Guide rail ➅ Cable holder ➆ Interface cable ➇ Manuals

3) Have two persons lift and erect the stable stacker. Two persons are required to do so because the stacker moves easily on casters.

Figure 1-4-1

4) Remove the plastic bag from the stable stacker and peel the tape off it. Confirm that the covers were not damaged or deformed during transport.

5) Open the front cover and remove two packings.

6) Open the top cover and remove packings.

1 - 5

CHAPTER 1

7) Insert the projections of the bin into the mounting holes in the stacker (1) and push it down (2).

Figure 1-4-2

8) Secure the bin on the stacker with the supplied screws (3).

Figure 1-4-3

1 - 6

CHAPTER 1

➁

➀

2. Installing the staple stacker on the stapler stacker

1) Move the stable stacker to the printer, attach the guide rail along the staple stacker guide (1) and secure it with the supplied screw (2).

Figure 1-4-4

2) Attach the paper delivery adapter to the face-up delivery slot of the printer.

Figure 1-4-5

3) Attach the ground adapter to the paper deck guide.

Figure 1-4-6

1 - 7

CHAPTER 1

➀

➁

➀

4) Connect the rail of stapler stacker to the guide of paper deck.

Figure 1-4-7

5) Insert the cord holder between the printer and paper deck as shown.

Figure 1-4-8

6) Connect the 14-pin connector of the interface cable to the paper deck and the 15-pin connector to the stapler stacker.

Figure 1-4-9

Figure 1-4-10

1 - 8

CHAPTER 1

14-pin connector

15-pin connector

Note: Be aware that connectors on the both ends of the interface connector differ in shape,

15-pin and 14-pin, as shown below.

Figure 1-4-11

7) Plug the power cord to the stapler stacker and power socket, and then put the cord in the cord holder.

1 - 9

CHAPTER 1

D. Paper Jams

When paper jams occur, follow the procedures below to remove the paper jammed inside the unit.

1. Paper jams in the reversing unit

1) Separate the stapler stacker from the printer.

Figure 1-4-12

2) Remove the jammed paper.

Figure 1-4-13

3) If jammed paper cannot be removed, open the reversing guide and remove it.

Figure 1-4-14

Figure 1-4-15

1 - 10

CHAPTER 1

2. Paper jams in the paper feeding unit

1) Open the top cover.

Figure 1-4-16

2) Lift the upper guide by holding the knob indicated "1."

3) Remove the jammed paper.

Figure 1-4-17

4) If jammed paper cannot be seen, lift the center guide by holding the knob indicated "2."

5) Remove the jammed paper.

Figure 1-4-18

1 - 11

CHAPTER 1

3. Paper jams in the paper delivery unit

1) Lift the swing guide and remove the jammed paper.

Figure 1-4-19

2) Open the front cover, top cover or left cover once, then close it.

E. Staple Jams

1) Open the front cover.

Figure 1-4-20

2) Pull up the stapler unit.

Figure 1-4-21

1 - 12

CHAPTER 1

3) While pressing the green lever (➀), hold the knob (➁) and pull out the staple guide.

Figure 1-4-22

4) Remove the jammed staples by using a pointed object.

Figure 1-4-23

5) Return the staple guide to the original position by holding the knob.

Figure 1-4-24

6) Put the stapler unit back to its original

location, and then close the front cover.

Figure 1-4-25

1 - 13

CHAPTER 1

➁

➀

V. MAINTENANCE AND

SERVICING BY THE CUSTOMER

A. Replacing the staple cartridge

Follow the procedures below to replace the staple cartridge.

1) Open the front cover.

Figure 1-5-1

2) Pull up the stapler unit.

Figure 1-5-2

3) Pull out the staple cartridge.

Figure 1-5-3

4) Insert a new staple cartridge until its claws are in the secured position.

Figure 1-5-4

1 - 14

CHAPTER 1

5) Return the stapler unit to the original position.

6) Press the On Line key of the printer to take the printer off-line.

7) Press the Menu key to select "TEST MENU."

8) Press the Item key to select "STAPLE TEST", and then press the Enter key. Then, a sheet of paper is fed from the printer to the stapler stacker, and stapling operation is conducted.

Notes: 1. Be sure to perform the staple

test after replacing the staple cartridge.

2. In test stapling, a sheet of blank

print paper is delivered from the printer for 12-position stapling operation in order to set the staples in the stapling position of the stapler unit.

Figure 1-5-6

1 - 15

CHAPTER 1

Staples

CHAPTER 2

OPERATION AND TIMING

1. This chapter describes the stacker functions, the relationships between mechanisms and circuits, and the timing of operations. Mechanical linkages are indicated by black and white lines ( ), the flow of control signals by solid arrows ( ), and the flow of groups of signals by outline arrows ( ).

2. An active-high signal is indicated by "H" or by a signal name without a slash in front of it, such as "PSNS." An active-low signal is indicated by "L" or by a signal name with a slash in front of, such as "/SCNON."

A signal that is "H" or has a name without a slash is active at the supply voltage level (indicating that the signal is being output), and inactive at ground level (indicating that the signal is not being output).

A signal that is "L" or has a slash in front of its name is active at ground level, and inac-

tive at the supply voltage level.

There is a microcomputer in this stacker. But as the internal operation of the microcomputer cannot be checked, an explanation of the operation of the microcomputer has been left out.

As it is assumed that no repair will be made to customer circuit boards, the explanation of board circuits is limited to an outline using block diagrams. So there are two types of circuit explanations; (1) everything from the sensor to the input sections of the major circuit boards, (2) everything from the output sections of the major circuit boards to the loads. These are explained with block diagrams according to the function.

I. BASIC OPERATION ................ 2-1

II. FEED/DRIVE SYSTEM ........... 2-7

III. POWER SUPPLIES ................. 2-30

I. BASIC OPERATION

A. Outline

The stapler stacker conducts face-up or face-down delivery of the printed paper output from the printer. In the case of face-down delivery, job offset or stapling is available. These operations are controlled by the stapler stacker driver PCB.

Figure 2-1-1

2 - 1

CHAPTER 2

Stapler stacker

Stapler stacker drive

PCB

Serial line

Video controller

PCB

Option controller PCB

Serial line

Paper deck driver PCB

DC controller

PCB

Printer

Paper deck

B. Outline of the Electrical System

The operation sequences of the stapler stacker are controlled by the stapler stacker driver PCB. The stapler stacker driver PCB contains 2 microcomputers (main-CPU, sub-CPU) which control the sequences and the serial communication with the option controller PCB.

The stapler stacker driver drives the solenoids and motors according to the various commands sent from the option controller through the serial line. The stapler stacker driver also reports the information of the sensors and switches to the option controller through the serial line.

The main functions of the ICs installed on the stapler stacker driver are listed below.

• IC14/IC15 (main-CPU, sub-CPU)

Sequence control

• IC23 (EEP-ROM)

Initial data backup

Figure 2-1-2 shows the flow of signals between the stapler stacker and option controller.

Figure 2-1-2

2 - 2

CHAPTER 2

Option controlle

PCB

Paper deck

driver PCB

Stapler stacker driver PCB

IC23

EEP-ROM

IC15

Main-CPU

Motors

Solenoids

Switches

IC14

Sub-CPU

Sensors

Power supply

C. Input/Output of the Stapler Stacker Driver PCB

Figure 2-1-3

2 - 3

CHAPTER 2

Option interface PCB

Stapler stacker Driver PCB

From printer or paper deck

To optional unit

Swing guide open sensor

Swing guide unit

PI18

J400

-5/-10/-15

-1

-3

-4

-6

-12

-13

-2/-7/-8/-9/-11/-14

J500

-5/-10/-15

-1

-3

-4

-6

-12

-13

-2/-7/-8/-9/-11/-14

J127-3

-1

-2

J204

-1

-3

-2

J113

-14

-13

-11

-10

-9

-8

-7

-6

-5

-3

-2

-1

-4/-12

-3

-1

-2

J4-1

-2

-4

-5

-6

-7

-8

-9

-10

-12

-13

-14

-11/-3

J13-4

-6

-5

CKI TXI RXO CONTO STRBI PWRON-IN STRBO CKO TXO RXI CONTI PWRON-OUT

+5U SSWGOPN

SYNCHRONOUS CLOCKsignal (input) SERIALIN signal SERIALOUT signal Communication readysignal(output) STROBE signal(input) POWER ONsignal(input) STROBE signal(output) SYNCHRONOUSCLOCK signal (output) SERIALOUT signal SERIALIN signal Communication readysignal(input) POWER ONsignal(output)

"L" when swing guide is open

Paddle drive solenoid

Swing guide close detection switch

Swing guide close detectio switch

Shutter close detection switch

Shutter close sensor

SL5

MS6

MS2

Shutter guide unit

MS4

C NO

NO C

C NO NC

PI5

J128-2

-1

J206-1

-2

-3

J118-3

-1

-2

J208

-8-9-4

-3

J209

-3-4-3

-4

J209

-2-1-2

-1

J206

-1

-2

-3

J205

-1

-3

-1

-2

J11-8

-9

J5-11

-12

J5-10

-9

J7-1

-2

-3

J9-7

-9

-8

+24V

PDSLD

+24Vmove

+24Vshift

+24Vmove

SSHCLD

+5V SSHON

Paddle rotates when "L"

+24R

"H" when shutter is closed

Figure 2-1-4

2 - 4

CHAPTER 2

Entrance paper sensor

Face-up deflector solenoid

Reversing paper sensor

Reversing roller drive solenoid

Stapler home position sensor

Staple switch

PI1

SL8

PI2

SL7

Stapler unit

PI7

TP1

J106-3

J109

-1-2-2

J105-3

J129-3

J308

-1

-2

-1

-2

-1

-2

-1

-2

J307

-7

-6

-1

-3

-4

J303

J202

-1

-3

-2

J202

-4-5-2

J210

-1

-3

-2

Staple PCB 2

-7

-6

-5

-3

-4

-1

-3

-1

-2

J302

-5

-1

J301

J13-1

J13-7

J12-B7

J14-1

J12-A7

Staple PCB 1

-5

-1

-3

-2

-8

-B9

-B8

-2

-9

-8

-6

-10

Stapler stacker Driver PCB

+5U SENTP

+24V

PSLD

+5U SWBACK-S

+24V

TGSLD

+5U SMOVEMHP

HOOKS

"H" when sensor detects paper

Paper is fed face-up when "L"

"H" when sensor detects paper

Reversing roller rotates when "L"

"L" when sensor detects stapler unit home position

"L" when there is no staple

Stapling operation home position switch

Staple motor

Stapler transfar motor

TP2

J308

-3

J308

-4

-5

-6

-7 J306

-5

-4

-3

-2

-1

J303-5J302-2J301

J307

-5

J307

J303

-8

-2

-8

-9

-1

-9

J303

J307

-4

-3

-2

-1

-4

-6

-3

-2

-1

-1 J304

-1

-2

-3

-4

-5

-2

J302-4J301

-4

J302

J301

-9/

-10/

-11

-6/-

7/-8

J302

J301

-12

-13

-14

-15

-16

-9

-7

-12

-11

-5

-4

-3

-2

-1

STPLHPS

CONNECT

STPLM0 STPLM1

+24Vmove

/SMMBD /SMMAD SMMBD SMMAD

"L" when sensor detects stapler operation home position

"L" when the stapler unit is installed

Staple motor rotation control signal

Stapler shift rotation control signal

+ 100 hidden pages

CANON LBP 3260 SS-72 Service Manual

CONTENTS

CHAPTER 1

I. FEATURES

II. SPECIFICATIONS

IV. INSTALLATION

CHAPTER 2

I. BASIC OPERATION