Canon GP405, Gp-335 Service Manual

GP405/335

REVISION 0

JAN. 1999

FY8-13FV-000

IMPORTANT

THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF REFERENCE FOR WORK IN THE FIELD. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.

ANY QUESTIONS REGARDING INFORMA TION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY. THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS, AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS.

Printed in Japan

Imprimé au Japon

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

Prepared by

OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPARTMENT 1

OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION

CANON INC.

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

INTRODUCTION

The copier is a multi-function copier capable of serving as a copier, fax, and printer.

This Service Manual provides information needed to service the copier in the field. For information on technologies used in common with the existing copiers, refer to the "Copier Basic Series" as necessary.

This Service Manual consists of the following chapters:

Chapter 1 General Description introduces the copier's features and

specifications, shows how to operate the copier, and explains how copies are made.

Chapter 2 Basic Operation provides outlines of the copier's various mechanical

workings.

Chapter 3 Exposure System discusses the principles of operation used for the

copier's lens drive unit and scanner drive unit. It also explains the timing at which these drive units are operated, and shows how they may be disassembled/assembled and adjusted.

Chapter 4 Image Formation System discusses the principles of operation used

for the copier's image processing units. It also explains the timing at which the various units involved in image processing are operated, and shows how they may be disassembled/assembled and adjusted.

Chapter 5 Laser Exposure System discusses the principles of operation used for

the copier's laser unit. It also explains the timing at which the unit is operated, and shows how they may be disassembled/assembled and adjusted.

Chapter 6 Image Formation System discusses the principles of how images are

formed. It also explains the timing at which the various units involved in image formation are operated, and show how they may be disassembled/assembled and adjusted.

Chapter 7 Pick-Up/Feeding System explains the principles of picking up and

feeding copy paper in view of the functions of electrical and mechanical units used to move copy paper and in relation to their timing of operation. It also shows how these units may be disassembled/assembled and adjusted.

Chapter 8 Side Paper Deck explains the principles of operation used from when

paper is picked up to when copies are delivered. It also explains the timing at which various drive units are operated, and shows how they may be disassembled/assembled and adjusted.

Chapter 9 Fixing System explains the principles used to fuse toner images to

transfer media in view of the functions of electrical and mechanical units and in relation to their timing of operation. It also shows how these units may be disassembled/assembled and adjusted.

Chapter 10 Externals/Auxiliary Mechanisms shows the copier's external parts, and

explains the principles used for the copier's various control mechanisms in view of the functions of electrical and mechanical units and in relation to their timing of operation. It also shows how these units may be disassembled/assembled and adjusted.

Chapter 11 Systems explains connections and specifications related to systems

and shows how to disassemble and assemble them.

Chapter 12 Installation introduces requirements for the site of installation, and

shows how the copier may be installed using step-by-step instructions.

i

Chapter 13 Maintenance and Servicing provides tables of periodically replaced

parts and consumables/durables and scheduled servicing charts.

Chapter 14 Troubleshooting provides tables of maintenance/inspection,

standards/adjustments, and problem identification (image fault/ malfunction).

Appendix contains a general timing chart and general circuit diagrams.

The descriptions in this Service Manual are subject to change without notice for product improvement or other purposes, and major changes will be communicated in the form of Service Information bulletins.

All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins, and be able to identify and isolate faults in the machine.

For a full understanding of the copier, this Service Manual should be used side by side with the separately available "Copier Basic Series." Refer to the descriptions in each of the following volumes:

Volume 1

Volume 2

Volume 3

Volume 4

Volume 5

Volume 6

Volume 7

ii

System Configuration

The copier may be configured with its accessories as follows:

n Pick-Up/Delivery Accessories

[2]

[3]

[1]

[5]

[4]

[7]

[6]

[1] DADF-A1 [2] Finisher-C1 [3] Multi Output Tray C1

[6] Cassette Feeding Unit-S1 [7] Cassette Feeding Unit-R1

[8] Paper Deck-B1 [4] Saddle Finisher C2 [5] Finisher-E1

[8]

iii

n System Accessories

[5]

[1]

[2]

[6]

[3]

[1] Handset-C1 [120V ONLY] [2] Expansion Board Base Unit-C1 [3] SCSI Interface Board-D1 [4] Printer Board

*

[4]

[5] Super G3 FAX Board [6] Battery Board-A1 * PDL I/F Board.

iv

When Turning Off the Main Power Switch

Be sure always to turn off the main power switch and disconnect the power plug before starting

disassembly work. In addition,

1. When expanding the fax functions, the secondary battery used to retain fax memory images

will start to operate as soon as the main power switch is turned off. Be sure to complete any work within one hour if the main power switch must be kept off. (Be sure also to keep the machine powered at least for one week after installation.)

2. The communication memory lamp on the control panel indicates the presence/absence of fax

memory images. If it is on (indicating the presence of images), be sure to print out the images before turning off the main power switch and disconnecting the power plug.

3. Turing off the control panel power switch will not remove power from some units. Be sure

always to turn off the main power switch before starting disassembly/assembly work.

4. The power will not be removed even when the front door is opened as long as the control panel

power switch and the main power switch are both on.

Communication memory lamp

Control panel power switch

COPY

FAX

Main power lamp

OPTIONS

Main power switch

Cassette heater switch

v

Connectors for the Pick-Up/Delivery Accessories

When connecting accessories, be sure to use the connectors indicates in the diagram. If, for example, you connect the paper deck to the cassette pedestal connector and turn on the paper, the fuse on the paper deck PCB will blow, at times requiring replacement with a new PCB.

For the Feeder

For the Paper deck

For the Cassette Feeding Unit

For the Finisher

Figure. Rear View of the Body

vi

CHAPTER 1

GENERAL DESCRIPTION

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

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

A. Type........................................ 1-2

B. Method ...................................1-2

C. Performance........................... 1-3

D. Paper Deck-B1 .......................1-4

E. Others .................................... 1-5

F. Default Ratios .........................1-6

G. Copying Speed ......................1-7

III. NAMES OF PARTS.....................1-9

A. External view..........................1-9

B. Cross Section...................... 1-11

IV. OPERATION............................. 1-13

A. Turning On the Power ......... 1-13

B. Control Panel ...................... 1-14

C. Special Features Modes ..... 1-15

D. Additional Functions ........... 1-16

V. ROUTINE MAINTENANCE BY

THE USER ............................... 1-19

VI. SAFETY ................................... 1-20

A. Safety of Laser Light (CLASS 1

LASER PRODUCT) ............ 1-20

B. CDRH Regulations ............. 1-21

C. Handling the Laser Unit ...... 1-22

D. Safety of Toner .................... 1-24

VII. IMAGE FORMATION ................ 1-25

A. Outline................................. 1-25

CHAPTER 1 GENERAL DESCRIPITON

I. FEATURES

1. High-Speed, High-Image Quality

m Copy Speed:

405/400 40 ppm 335/330 33 ppm

m Resolution

Read in copier mode 600 x 600 dpi Write in copier mode 1200-equivalent x 600 dpi In fax mode 600 x 600 dpi (hyper GENESIS smoothing)

m Gradation 256

2. Large-Capacity Image Memory

m The machine comes with a 32-MB image memory as standard, which may be expanded up

to 96 MB.

m The use of an image memory has enabled making as many copies as needed with a single

scan of an original, significantly improving the efficiency of copying work.

3. New No-Stacking Duplexing Mechanism

m Double-sided copies may be made without holding paper in the duplexing assembly,

helping to improve the efficiency of copying work. The mechanism can turn out a large number of double-sided copies while limiting damage to the paper to a minimum.

4. Large-Capacity Paper Source

Adding accessories, the machine can be turned into a paper source holding as many as 5550

sheets.

m 2 cassettes (front loading; standard) 500 x 2 m Multifeeder 50 m Cassette Pedestal-S1 500 x 2 m Paper Deck-B1 3500 (A4, B5)

5. Saddle Finisher w/ Book Binding Mode/Saddle Finisher (accessory)

m The saddle stitcher unit will prove its ability when producing booklets in book bind mode. m The finishers unit is capable of stapling/sorting a total of 100 sets (193.6 mm high; 1300

A4 sheets of 80 g/m2).

m The finisher unit is capable of delivering as many as 50 sheets to the trays 1 through 3

(220.6 mm high; about 1500 sheets of 80 g/m2) and the interrupt tray.

m The finisher unit is equipped with a job offset function to facilitate sorting work. m The buffer path function ensures that the host copier's productivity will not be affected by

the use of various finishing work.

1-1

CHAPTER 1 GENERAL DESCRIPITON

II. SPECIFICATIONS

A. Type

Item Copier Copyboard Light source Lens Photosensitive medium

B. Method

Item Copying Charging Exposure Copy density adjustment Development Pick-up

Transfer Separation Cleaning Fixing

Specifications Desktop Fixed Fluorescent lamp Lens array OPC drum

Specifications Indirect electrostatic copying Roller charging (AC + DC) Laser exposure Automatic or manual Dry, single-component, toner projection Cassette: Retard method (center reference) Multifeeder: Dupro-method (center reference) Roller charging (DC) Static (static eliminator) + curvature Cleaning blade Heating roller

1-2

C. Performance

CHAPTER 1 GENERAL DESCRIPITON

Resolution

Gradation Original type Maximum original size Copy size

AB Inch A AB/Inch

Zoom

Auto XY independent

zoom

Wait time (20°C)

First copy time

Continuous copying Copying speed Copy size

Cassette Multifeeder Double-sided

Copy paper type

Cassette Multifeeder

Double-sided

Cassette specifications

Claw General/

universal

600 x 600 dpi (reading) 600 x 600 dpi (during output; by smoothing, 200-equivalent x 600 dpi)

256 gradations Sheet, book, 3-D object (2 kg max.) A3 (297 x 420 mm)/297 x 432 mm (11"x17") max. 6R6E 5R5E 3R4E 6R6E 25% to 800% (in 1% increments) Provided Provided

From main power supply 77 sec or less From sleep state 77 sec or less From power save mode

Without recovery time 0 sec

-10% mode 9 sec or less

-25% mode 20 sec or less

-40% mode 33 sec or less

6.0 sec or less (topmost cassette, Direct, A4/LTR, auto density adjustment, no pre-scanning)

1 to 999 copies See Table 1-201. A3 (297 x 420 mm)/297 x 432 mm (11"x17") to A5 (STMT) A3 (297 x 420 mm)/297 x 432 mm (11"x17") to postcard A3 (297 x 420 mm)/297 x 432 mm (11"x17") to A5 (STMT) Plain paper, recycled paper, eco paper (64 to 80 g/m2) Plain paper, recycled paper, eco paper, transparency, colored paper,

postcard, label, thick paper, tracing paper (64 to 128 g/m

2

) Plain paper, recycled paper eco paper Not used 500 sheets (average; of 80 g/m2)

1-3

CHAPTER 1 GENERAL DESCRIPITON

Multifeeder tray Copy tray Non-image

width

Leading/ trailing edge

Left/right

Auto clear

Auto sleep time

D. Paper Deck-B1

Item Pick-up Paper holder Copy paper type

Paper holding capacity Serial number

Paper size switching

Dimensions Weight Power supply Operating environment

Temperature Humidity

50 sheets 100 sheets

Item

80 g/m 80 g/m

2

Specifications

2.5 mm

2.5 mm Provided

2 min standard; may be varied between 0 and 9 min.

Provided

10 min to 8 hr

Specifications No claw (retard) method Side tray method

• Plain paper (65 to 80 g/m2)

A4, B5, LTR

• Colored paper (Canon-recommended)

A4 385 mm high (3500 sheets of 80 g/m2) A4 ZSKxxxxx

LTR ZSLxxxxx Shifting the size guide plate and setting in service mode

(OPTION>ACC>DK-P) (not including protrusions/grip cover, rail) 31 kg (approx.; body)/10 kg (approx.; rails) By copier (DC power) Same as copier

1-4

The above specifications are subject to change for product improvement.

E. Others

CHAPTER 1 GENERAL DESCRIPITON

Item

Operating environment

Power supply

Power consumption* (reference only; at time

of 23°C and at rated input; for the copier, actual measurement)

Noise

Ozone Dimensions

Weight

Consumables

* With expanded fax functions maximum + 12W

With expanded printer functions maximum + 37W

Temperature Humidity Atmospheric pressure

120V (USA)

230V (Italia) 230V (Others) 230V (UK) 230V (CA) 230V (FRN) 230V (GER) 230V (AMS)

Copying Standby Sleep 1 Sleep 2

Sleep 3 Copying Standby

Width Depth Height

Copy paper Toner

No recovery time

-10%

-25%

-40%

7.5 to 32.5°C 5 to 85% 810 to 1013hPa (0.8 to 1.0) 405/400 335/300 400E NNUxxxxx 300E NNXxxxxx

400S NNVxxxxx 300S NNYxxxxx 405 PNYxxxxx 335 PNZxxxxx 405 PNWxxxxx 335 PNXxxxxx 405 QNYxxxxx 335 QNZxxxxx 405 RNXxxxxx 335 RNYxxxxx 405 SNYxxxxx 335 SNZxxxxx 405 TNYxxxxx 335 TNZxxxxx 405 UNYxxxxx 335 UNZxxxxx w/o FAX expansion 910W 193W 190W 190W

170W 143W 116W 69W 71 dB or less (by sound power level, Impulse mode) 50 dB or less (by sound power level, Impulse mode)

0.01 ppm or less in average; 0.02 ppm or less at max. 585mm 720mm 538mm

97.5 kg or less (w/DADF-A1)

83.4 kg or less (w/o DADF-A1) Keep wrapped to avoid humidity. Avoid direct sunshine; store at 40°C, 85%.

Specifications

1-5

CHAPTER 1 GENERAL DESCRIPITON

F. Default Ratios

Country

Japan, Australia, others (6R6E)

North America (5R5E)

Europe (3R4E)

Reduction

0.250

0.500

A3→B5 0.611

A3→A4R 0.707 B4→B5R

B4→A4R 0.815 A3→B4 0.865

A4R→B5R

0.250

0.500

11x17→LTRR 0.647 11x17→LGL 0.733 LGL→LTRR 0.786

0.250

0.500

A3→A4R 0.707

Enlargement

B4→A3 1.153 B5R→A4R B5→A4

A4R→B4 1.223 A5→B5

A4RA3 1.414 B5RB4

A5A3 2.000

4.000

8.000

LGL→11x17 1.214 LTRR→11x17 1.294 STMT→LTRR 2.000 STMTR→11x17 4.000

8.000

A4R→A3 1.414 A5→A3 2.000

4.000

8.000

Table Default Reproduction Ratios

1-6

G. Copying Speed

CHAPTER 1 GENERAL DESCRIPITON

Mode

Direct

Reduce II

III IV

V

VI

Enlarge II

III

IV

V

Feeder used, delivery to copy tray, auto paper select used, density auto adjust used, non-sort mode, topmost cassette used, no data in memory.

Size

A3 A4

A4R

A5

A5R

B4 B5

A3→A5 A3→B5 A3→A4 B4→B5 B4→A4 B5→A5 A3→B4 A4→B5 A5→A3 A4→A3 B5→B4 A4→B4 A5→B5 B4→A3 B5→B4

Copy size

A3 A4

A4R

A5

A5R

B4

B5 A5R B5R A4R B5R A4R

A5

B4

B5

A3

B4

B5

A3

B4

405/400

(copies/min)

19 40 28 40 40 22 40 40 33 28 33 28 40 22 40 19 19 22 22 40 19 22

335/330

(copies/min)

19 33 28 33 33 22 33 33 33 28 33 28 33 22 33 19 19 22 22 33 19 22

Table 1-201 Copying Speed (copier only)

1-7

CHAPTER 1 GENERAL DESCRIPITON

Ratio

DIRECT

REDUCE

ENLARGE

Size

LTR 11x17 LGL LTRR STMT STMTR LGL→LTRR 11x17→LGL 11x17→LTRR 11x17→STMTR 11x15→LTRR LGL→11x17 LTRR→11x17 STMTR→11x17

405/400

Copies/min

40 19 23 30 40 40 30 23 30 40 30 19 19 19

335/330

Copies/min

The above specifications are subject to change for product improvement.

33 19 23 30 33 33 30 23 30 33 30 19 19 19

1-8

III. NAMES OF PARTS

A. External view

• Model with DADF-A1 as Standard

CHAPTER 1 GENERAL DESCRIPITON

[2]

[1]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

Figure 1-301

[1] Cassette Feeding Unit-R1 (accessory) [2] Front cover [3] Copy tray [4] DADF-A1 [5] Control panel power switch

[6] Original delivery tray (for feeder) [7] Multifeeder [8] Main power switch [9] Cassette heater switch (accessory)

1-9

CHAPTER 1 GENERAL DESCRIPITON

[2]

[1]

[3]

[13]

[15]

COPY LOAD

[4]

[5] [6]

[10]

[12]

[14]

[11]

[1] Delivery assembly cover [2] Control panel [3] Copyboard glass [4] Developing assembly releasing lever [5] Developing assembly [6] Feeding assembly releasing lever [7] Drum unit [8] Service documentation case [9] Door switch assembly

[8]

[7]

[9]

Figure 1-302

[10] Static eliminator cleaning tool [11] Total copy counter [12] Downloading connector (bi-Centronics) [13] Downloading switch

Left: for downloading

Right: for copying [14] LCD contrast adjustment [15] Not used

1-10

B. Cross Section

CHAPTER 1 GENERAL DESCRIPITON

[7]

[3]

[2][1]

[6]

[5][4]

[8]

[9]

[10]

[16][15][14][13][12][11]

[17]

[18]

[38]

[37]

[35][36]

[34]

[30]

[31][32][33]

[29]

[28]

[21][22][23][24][25][26][27]

Figure 1-303

[20]

[19]

1-11

CHAPTER 1 GENERAL DESCRIPITON

[1] No. 3 mirror [2] No. 2 mirror [3] No. 1 mirror [4] Scanning lamp (fluorescent lamp) [5] Cleaning belt assembly [6] Laser unit [7] Fixing unit [8] Drum cartridge [9] Bending mirror 2 [10] Bending mirror 1 [11] Pre-exposure lamp [12] CCD unit [13] Primary charging roller [14] Bending mirror 3 [15] Dust-proofing glass [16] Developing assembly [17] Multifeeder pick-up roller [18] Vertical path roller 1 [19] Vertical path roller 2

[20] Cassette 2 feeding roller [21] Cassette 2 separation roller [22] Cassette 1 separation roller [23] Cassette 2 pick-up roller [24] Cassette 1 feeding roller [25] Cassette 1 pick-up roller [26] Duplexing assembly outlet roller [27] Registration roller [28] Transfer roller [29] Static eliminator [30] Feeding assembly [31] Cassette 1 [32] Upper fixing roller [33] Fixing assembly locking roller [34] Cassette 2 [35] Duplexing assembly inlet roller [36] Reversal feeding roller 2 [37] Reversal feeding roller 1 [38] Delivery roller

1-12

CHAPTER 1 GENERAL DESCRIPITON

IV. OPERATION

A. Turning On the Power

The machine is equipped with two power switches: main power switch and control panel power switch. To turn on the machine, be sure to turn on the main power switch an then the control panel switch in sequence.

[1]

[2]

[1] Control panel power switch [2] Main power lamp [3] Main power switch [4] Cassette heater switch (accessory)

[3]

[4]

Figure 1-401

1-13

CHAPTER 1 GENERAL DESCRIPITON

B. Control Panel

[1]

[1] Display contrast control [2] COPY key [3] FAX key [4] OPTIONS key** [5] CLEAR key [6] ENERGY SAVER key [7] Control panel power [8] STOP key

[2] [3] [4] [5] [6] [7]

COPY

[16][15][14][13] [12] [11] [10] [9] [8]

FAX

OPTIONS

1 2 3

4 5 6

7 8 9

0

ON/OFF

C

ID

[9] Power indicator* [10] START key [11] ID key [12] Number keys [13] INTERRUPT key [14] ADDITIONAL FUNCTIONS key [15] GUIDE key [16] RESET key

Figure 1-402

* Turns on when the main power switch is on. ** 120V PRINT • I/F Key.

1-14

Canon GP405, Gp-335 Service Manual

INTRODUCTION

CONTENTS

CHAPTER 1

I. FEATURES

II. SPECIFICATIONS

III. NAMES OF PARTS

IV. OPERATION