REVISION 0
APR. 1999 |
FY8-13G5-000 |
COPYRIGHT © 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 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 INFORMATION 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.
COPYRIGHT © 1999 CANON INC.
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 PRODUCTS TECHNICAL SUPPORT DEPARTMENT 3 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION OFFICE IMAGING PRODUCTS QUALITY ASSURANCE CENTER
CANON INC.
5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
This Service Manual contains basic data and figures for the Stapler Sorter-J1/K1/E3 needed to service the machine in the field.
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 operational 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 how images are formed. It also explains the timing at which the various units involved in image formation are operated, and shows how they may be disassembled/ assembled and adjusted.
Chapter 5 Pick-Up/Feeding System explains the principles used from when copy paper is picked up to when a copy is delivered in view of the functions of electrical and mechanical units ahd in relation to their timing of operation. It also shows how these units may be disassembled/assembled and adjusted.
Chapter 6 Fixing System explains the principles used to fuse toner images to tranfer 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 7 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 8 Installtion introduces requirements for the site of installation, and shows how the copier may be installed using step-by-step instructions.
Chapter 9 Maintenance and Servicing provides tables of periodically replaced parts and consumables/durables and scheduled servicing charts.
Chapter 10 Troubleshooting provides tables of maintenance/inspection, standards/ adjustments, and problems identification (image fault/malfunction).
Appendix contains diagrams showing electrical parts arrangement, tables of signals, tables of special tools, tables of solvents/oils, and a general timing chart.
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 from 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.
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
i |
CHAPTER 1 GENERAL DESCRIPTION
I. |
FEATURES .................................. |
1-1 |
B. |
Cross Section ....................... |
1-6 |
|
II. |
SPECIFICATIONS ....................... |
1-2 |
IV. OPERATION ................................ |
1-8 |
||
|
A. |
Type ....................................... |
1-2 |
A. |
Control Panel......................... |
1-8 |
|
B. |
System .................................. |
1-2 |
B. |
Daily Inspection to Be |
|
|
C. |
Performance .......................... |
1-2 |
|
Performed by the User ....... |
1-10 |
|
D. |
Others.................................... |
1-3 |
V. IMAGE FORMATION ................ |
1-11 |
|
III. NAMES OF PARTS ...................... |
1-5 |
A. |
Outline ................................ |
1-11 |
||
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A. |
External View ........................ |
1-5 |
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|
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CHAPTER 2 BASIC OPERATION
I. BASIC OPERATION .................... |
2-1 |
D. |
DC Controller Outputs ........... |
2-6 |
|
A. |
Functions ............................... |
2-1 |
E. |
Basic Sequence of Operations |
|
B. Outline of Electric Circuitry ... |
2-2 |
|
(Direct, Continuous Copying |
|
|
C. |
Inputs to DC Controller ......... |
2-4 |
|
(2 sheets)) ............................. |
2-9 |
CHAPTER 3 EXPOSURE SYSTEM
I. BASIC OPERATION ................... |
3-1 |
D. Scanner Movement for |
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A. Changing the Reproduction |
|
Two-Page Separation Mode |
|
Ratio ...................................... |
3-1 |
(copy count "2") ..................... |
3-7 |
II. LENS DRIVE SYSTEM ................ |
3-2 |
IV. |
No. 4/5 MIRROR DRIVE |
|
||
A. |
Outline ................................... |
3-2 |
|
SYSTEM ...................................... |
3-8 |
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B. Basic Lens Drive System |
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V. |
DISASSEMBLY AND |
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||
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Operation (change of |
|
|
ASSEMBLY ............................... |
3-11 |
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reproduction ratio) ................. |
3-3 |
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A. |
Lens Drive Assembly ......... |
3-11 |
III. SCANNER DRIVE SYSTEM ....... |
3-4 |
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B. |
Scanner Drive Assembly .... |
3-14 |
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A. |
Outline ................................... |
3-4 |
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C. |
Exposure Assembly ........... |
3-17 |
B. |
Relation Between Scanner |
|
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D. |
Blank Assembly .................. |
3-19 |
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Sensor and Signals ............... |
3-5 |
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E. |
No. 4/5 Mirror Mount........... |
3-20 |
C. |
Basic Scanner Operation ...... |
3-6 |
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COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
iii |
CHAPTER 4 IMAGE FORMATION SYSTEM
I. |
PROCESSES ............................... |
4-1 |
B. |
Operation .............................. |
4-9 |
|
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A. |
Outline ................................... |
4-1 |
V. DOCUMENT DENSITY |
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B. Basic Operation of Image |
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MEASUREMENT SYSTEM ...... |
4-11 |
||
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Formation System |
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A. |
Outline ................................ |
4-11 |
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(black developing assembly, |
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B. |
Operation ........................... |
4-11 |
|
|
2 copies) ................................ |
4-2 |
C. Reading the Output of the AE |
||
II. |
CONTROLLING THE SCANNING |
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Sensor ................................ |
4-12 |
||
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LAMP ........................................... |
4-3 |
D. |
Adjustment ......................... |
4-13 |
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A. |
Outline ................................... |
4-3 |
VI. DEVELOPING ASSEMBLY/ |
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|
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B. |
Mechanism ............................ |
4-4 |
DRUM CLAENER ..................... |
4-14 |
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III. PRIMARY/TRANSFER |
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A. |
Outlines .............................. |
4-14 |
||
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CORONA CURRENT AND GRID |
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B. |
Remaining Toner Sensor .... |
4-14 |
|
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BIAS VOLTAGE CONTROL |
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C. |
Torque Limiter..................... |
4-15 |
|
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SYSTEM ...................................... |
4-5 |
VII. BLANKING ................................ |
4-16 |
||
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A. |
Outline ................................... |
4-5 |
A. |
Outline ................................ |
4-16 |
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B. |
Switching Primary/Transfer |
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B. Movement of the Blank |
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|
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Corona Current ON/OFF ....... |
4-5 |
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Exposure Mechanism ........ |
4-17 |
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C. |
Maintaining Primary/Transfer |
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VIII.DISASSEMBLY AND |
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|
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Corona Current Constant ...... |
4-6 |
ASSEMBLY ............................... |
4-19 |
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D. |
Controlling Grid Bias |
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A. |
Main Motor Assembly......... |
4-19 |
|
|
Voltage .................................. |
4-7 |
B. |
Corona System .................. |
4-20 |
IV. CONTROLLING DEVELOPING |
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C. |
Primary/Transfer Corona |
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||
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BIAS ............................................. |
4-8 |
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Assembly ............................ |
4-22 |
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A. |
Outline ................................... |
4-8 |
D. |
Development System ......... |
4-25 |
CHAPTER 5 PICK-UP/FEEDING SYSTEM
I. PAPER PICK-UP ASSEMBLY AND |
A. |
Pick-up Assembly Delay |
|
||
FEEDER....................................... |
5-1 |
|
Jam ........................................ |
5-8 |
|
A. |
Outline ................................... |
5-1 |
B. |
Delivery Assembly Stationary |
|
B. |
Pick-up and Feeder |
|
|
Jam ........................................ |
5-9 |
|
Operation .............................. |
5-3 |
C. |
Delivery Assembly Delay |
|
C. Identifying the Paper Size ..... |
5-4 |
|
Jam ..................................... |
5-10 |
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D. |
Pick-Up from the |
|
III. FEEDER SYSTEM.................... |
5-11 |
|
|
Multifeeder............................. |
5-5 |
A. |
Pick-up Assembly ............... |
5-11 |
II. JAM DETECTION ........................ |
5-7 |
B. |
Feeder Assembly ............... |
5-17 |
i v
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 6 FIXING SYSTEM
I. BASIC OPERATIONS .................. |
6-1 |
III. DISASSEMBLY AND |
|
|
A. |
Outline ................................... |
6-1 |
ASSEMBLY .................................. |
6-4 |
B. |
Operation of Fixing Assembly |
|
A. Fixing Assembly .................... |
6-4 |
|
Temperature Control |
|
|
|
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System .................................. |
6-3 |
|
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CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
I. |
POWER SUPPLY ......................... |
7-1 |
A. |
External Covers ..................... |
7-4 |
|
A. AC Driver DC Power |
|
B. |
Control Panel......................... |
7-7 |
|
Supply ................................... |
7-1 |
C. |
Copyboard Cover .................. |
7-9 |
II. |
DISASSEMBLY AND |
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D. |
Fans....................................... |
7-9 |
|
ASSEMBLY .................................. |
7-3 |
E. |
PCBs .................................. |
7-11 |
CHAPTER 8 INSTALLATION
I. LOCATION ................................... |
8-1 |
II.UNPACKING AND INSTALLING
THE COPIER ............................... |
8-2 |
|
A. |
Unpacking ............................. |
8-2 |
B. |
Mounting the Drum ............... |
8-4 |
C. |
Checking the Operation ........ |
8-5 |
D. |
Adding Toner ......................... |
8-6 |
E. |
Checking the Image .............. |
8-7 |
F. |
Universal Cassette Code |
|
|
Setting "123" ......................... |
8-8 |
III. RELOCATING THE COPIER ....... |
8-9 |
|
IV. INSTALLING THE CONTROL |
|
|
CARD-V .................................... |
8-10 |
CHAPTER 9 MAINTENANCE AND SERVICING
I. |
PERIODICALLY REPLACED |
|
III. BASIC PROCEDURE FOR |
|
|
PARTS .......................................... |
9-1 |
PERIODIC SERVICING ............... |
9-3 |
II. |
DURABLE PARTS........................ |
9-2 |
IV. PERIODIC SERVICING |
|
|
|
|
SCHEDULE ................................. |
9-4 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
v |
CHAPTER 10 TROUBLESHOOTING
I. |
MAINTENANCE AND |
|
V. TROUBLESHOOTING FEEDING |
|||
|
INSPECTION ............................ |
10-1 |
PROBLEMS ............................ |
10-56 |
||
|
A. |
Basic Image Adjustment |
|
A. |
Paper Jams ...................... |
10-56 |
|
|
Procedure ........................... |
10-1 |
VI. INCORRECT PAPER FEED |
|
|
|
B. Points to Check for Periodic |
OPERATION ........................... |
10-60 |
|||
|
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Maintenance....................... |
10-2 |
VII. FUNCTION AND ARRANGEMENT |
||
II. |
STANDARDS AND |
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OF THE ELECTRICAL |
|
||
|
ADJUSTMENT .......................... |
10-3 |
PARTS ..................................... |
10-62 |
||
|
A. |
Mechanical ......................... |
10-3 |
A. |
Sensors, Fuses and |
|
|
B. |
Electrical ........................... |
10-17 |
|
Lamps............................... |
10-62 |
III. |
IMAGE |
|
B. |
Clutches, Solenoids, Fans, |
|
|
|
TROUBLESHOOTING ............ |
10-21 |
|
Motors and Heaters ......... |
10-63 |
|
|
A. |
Initial Check ...................... |
10-21 |
C. |
Switches, Circuit Breakers, |
|
|
B. |
Samples of Image |
|
|
Counters, Etc. .................. |
10-64 |
|
|
Faults ................................ |
10-24 |
D. |
PCBs ................................ |
10-65 |
|
C. |
Troubleshooting of Image |
|
VIII.SERVICE MODE ..................... |
10-66 |
|
|
|
Faults ................................ |
10-25 |
A. |
Outline .............................. |
10-66 |
IV. OPERATION |
|
B. Using the Service Mode ... |
10-66 |
|||
|
TROUBLESHOOTING ............ |
10-37 |
C. Guide to Service Mode .... |
10-67 |
||
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A. |
Troubleshooting of |
|
IX. SELF DIAGNOSIS .................. |
10-69 |
|
|
|
Malfunction ....................... |
10-37 |
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|
|
APPENDIX
A. |
GENERAL TIMING CHART ........ |
A-1 |
C. GENERAL CURCUIT |
|
B. |
LIST OF SIGNALS/ |
|
DIAGRAM ................................... |
A-5 |
|
ABBREVIATIONS ....................... |
A-3 |
D. SOLVENTS AND OILS LIST....... |
A-7 |
v i
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
GENERAL DESCRIPTION
I. |
FEATURES .................................. |
1-1 |
|
B. |
Cross Section ....................... |
1-6 |
|
II. |
SPECIFICATIONS ....................... |
1-2 |
IV. |
OPERATION ................................ |
1-8 |
||
|
A. |
Type ....................................... |
1-2 |
|
A. |
Control Panel......................... |
1-8 |
|
B. |
System .................................. |
1-2 |
|
B. |
Daily Inspection to Be |
|
|
C. |
Performance .......................... |
1-2 |
|
|
Performed by the User ....... |
1-10 |
|
D. |
Others.................................... |
1-3 |
V. |
IMAGE FORMATION ................ |
1-11 |
|
III. NAMES OF PARTS ...................... |
1-5 |
|
A. |
Outline ................................ |
1-11 |
||
|
A. |
External View ........................ |
1-5 |
|
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COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 1 GENERAL DESCRIPTION
1.Copies as large as A3 in size (DIRECT) may be made, and the copyboard is of a fixed type.
•Although compact in design, the copier enables making copies as large as A3 in size in the DIRECT mode.
•The copyboard is of a fixed type so that pages of a book may be copied with much ease.
2.Zooming between 50% and 200%.
•Copies may be made in reproduction rations of between 50% and 200%, selectable in 1% increments.
3.Front loading for faster supply of paper.
•Paper is loaded from the front of the copier so that the cassette* may be replenished with paper without wasting time. The design also saves space.
* Universal and its capacity is 500 sheets.
4.Single-component fine particle toner for high resolution.
•Images are developed using the single component toner projection method. Further, the copier uses toner of extremely fine particles for enhanced image quality.
5.Multifeeder (stack bypass) pick-up.
•As many as 50 copies (80 g/m 2) may be made continuously using the multifeeding mechanism.
6.Low warm-up time
•The copier warms up in than 25 sec.
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
1-1 |
CHAPTER 1 GENERAL DESCRIPTION
II. |
SPECIFICATIONS |
|
||
A. |
Type |
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Body |
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Desktop |
||
Copyboard |
|
Fixed |
||
Light sourse |
|
Halogen lamp |
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Lens |
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Single lens + mirror movement |
Photosensitive medium |
OPC |
|||
B. |
System |
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||
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Reproduction |
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Indirect electrostatic method |
||
Charging |
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Corona |
||
Exposure |
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Slit (moving light source) |
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Copy density adjustment |
Auto or manual |
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Development |
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Dry |
||
Pick-up |
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Automatic |
Exclusive cassette |
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Manual |
Multifeeder |
Transfer |
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Corona |
||
Separation |
|
Curvature and Static eliminator |
||
Drum cleaning |
|
Blade |
||
Fixing |
|
Heat roller (900W) |
C.Performance
Type of document |
|
Sheet, Book, 3-D object (2 kg) |
|
Document size |
|
A3 max. |
|
Wait time |
|
25 sec (approx.; at 20°C) |
|
First copy |
|
9.4 sec (A4, AE ON/OFF, 1:1) |
|
Continuous copying |
99 copies |
||
Type of copy |
|
Cassette |
A3 (max.), A6 (min.;148x105 mm) |
paper |
|
Multifeed tray |
Plain paper (64 to 80 g/m2), Tracing paper, Colored paper |
|
|
|
Plain paper (64 to 128 g/m2), Tracing paper*, Colored paper, |
|
|
|
OHP film*, Label sheet |
* Use of tracing paper may cause double feeding. If thin paper or OHP film, feed one sheet at a time.
1-2 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
|
|
CHAPTER 1 GENERAL DESCRIPTION |
|
|
|
Two-sided |
Multifeed tray |
Plain paper (64 to 128 g/m2), Colored paper |
copying |
|
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|
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Overlay |
Multifeed tray |
Plain paper (64 to 128 g/m2), Colored paper |
copying |
|
|
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Cassette |
Claw |
Provided |
|
Standard |
60 mm deep (about 500 sheets of 80 g/m2 paper) |
|
Universal |
Yes |
Copy tray |
|
100 sheets (approx.; A4, 80 g/m2) |
Non-image |
Leading edge |
2.0 ±1.5 mm or less |
width (1st side) |
Left/Right |
2.5 ±1.5 mm or less |
Auto clear |
|
Provided (2 min, standard) |
Auto shutoff |
|
Yes |
Option |
|
ADF-A1, MS-A1, Stapler Sorter D3, CC-V |
D.Others
Power supply |
|
Serial Numbers |
|
|
230V 50Hz |
UFW xxxxx |
|
|
230V 50Hz |
QFE xxxxx |
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Power |
Maximum |
1.5kW or less |
|
consumption |
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Noise |
Copying |
55 dB or less |
(sound power level as prescribed by ISO) |
|
Standby |
40 dB or less |
0.05ppm or less (UL standards) |
Ozone |
|
0.05 ppm or less (UL standards) |
|
Dimensions |
Width |
610 mm |
|
|
Depth |
617 mm |
|
|
Height |
416 mm |
|
Weight |
|
50 kg or less |
|
Operating |
Temperature |
15.0° to 30°C |
|
environment |
Humidity |
5% to 80% |
|
|
Atmospheric |
0.6m to 1 |
|
|
pressure |
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|
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|
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Others |
|
Keep copy paper wrapped to protect against moisture. |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
1-3 |
CHAPTER 1 GENERAL DESCRIPTION
Reproduction mode |
Paper size |
Cassette |
Copies/min |
|
DIRECT |
|
A3 (297x420mm) |
A3 |
9 |
|
|
A4 (210x297mm) |
A4 |
17 |
|
|
B4 (257x365mm) |
B4 |
10 |
|
|
B5 (182x257mm) |
B5 |
17 |
|
|
A5R (210x149mm) |
A5R |
16 |
REDUCE |
I |
50% |
|
|
|
II |
A3 → A4 |
A4R |
10 |
ENLARGE |
I |
A4 → A3 |
A3 |
9 |
|
II |
200% |
|
|
1-4 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 1 GENERAL DESCRIPTION
A.External View
[1] |
[2] |
[3] |
[6] |
[5] |
[4] |
Figure 1-301
[2] [3]
[4]
[1]
|
[5] |
[12] |
[6] |
[11] |
|
[10] |
[8] |
[9] |
[7] |
Figure 1-302
[1]Copy tray
[2]Copyboard cover
[3]Control panel
[4]Cassette
[5]Front cover
[6]Delivery cover
[1]Copyboard glass
[2]Power indicator
[3]Power switch
[4]Right cover
[5]Multifeeder tray
[6]Developing assembly release lever
[7]Developing assembly
[8]Transfer/separation assembly
[9]Primary corona assembly cleaner
[10]Feeder assembly release lever
[11]Copy density knob
[12]Fixing assembly knob
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
1-5 |
CHAPTER 1 GENERAL DESCRIPTION
B.Cross Section
[1] |
[2] |
[3] |
[4] |
[5] |
[6] |
[7] |
[8] |
[9] |
[10] |
[11] |
[12] |
[13] |
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[24] |
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[23] |
[22] |
[21] |
[20] |
[19] |
[18] |
[17] |
[16] |
[15] |
[14] |
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[1] |
No. 3 mirror |
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[10] No. 6 mirror |
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[19] Photosensitive drum |
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[2] |
No. 2 mirror |
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[11] No. 5 mirror |
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[20] Cassette |
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[3] |
No. 1 mirror |
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[12] No. 4 mirror |
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[21] Feeder assembly |
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[4] |
Scanning lamp |
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[13] Multifeeder tray |
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[22] Exhaust fan |
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[5] Copyboard glass |
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[14] Developing assembly |
[23] Fixing assembly |
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[6] |
Copyboard cover |
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[15] Feeder roller 1 |
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[24] Delivery roller |
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[7] |
Lens |
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[16] |
Pick-up roller |
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[8] |
Pre-exposure lamp |
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[17] |
Registration roller |
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[9] |
Primary corona |
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[18] Transfer corona |
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assembly |
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assembly |
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Figure 1-303
1-6 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 1 GENERAL DESCRIPTION
Blank Page
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
1-7 |
CHAPTER 1 GENERAL DESCRIPTION
A.Control Panel
[1] |
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[2] |
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[3] [4][5] [6] |
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[7] |
[8] |
[9] |
[10] |
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[22] [21] [20] [17] [16] [15] [14] [13] [12] [11] [19]
[18]
Figure 1-401
1-8 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
|
|
CHAPTER 1 GENERAL DESCRIPTION |
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|
No. |
Name |
Description |
[1] |
Sort/Group key |
Press to select or cancel the Sort or Group mode. |
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|
* To use the Sort or Group mode, your copier must be |
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|
equipped with the optional Sorter or Stapler Sorter. |
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|
|
[2] |
Two-Page Separation key |
Press to select or cancel the Two-Page Separation mode. |
[3] |
Paper Jam indicator |
Flashes when a paper jam occurs. |
[4] |
Control Card Check indicator |
Flashes when the Control Card is not fully inserted. |
[5] |
Paper Out indicator |
Flashes when there is no paper in the selected paper sup- |
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|
ply (paper cassette or stack bypass). |
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[6] |
Toner Out indicator |
Flashes when toner needs to be added. |
[7] |
Copy quantity/Copy ratio display |
Displays the number of copies to be made, and the se- |
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|
lected enlargement/reduction ratio. |
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|
Also, when the copier is not functioning properly, the Ser- |
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vice Call message will appear here. |
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[8] |
Reset key |
Press to return the copier to the Standard mode. |
[9] |
Start key |
Press to begin copying. |
[10] |
Stop key |
Press to stop the copier before copying is complete. |
[11] |
Clear key |
Press to change the number of copies to be made to one. |
[12] |
Number keys |
Press to input the number of copies to be made. |
[13] |
Percent key |
Press to display the selected enlargement/reduction ratio. |
[14] |
Zoom keys |
Press to reduce or enlarge copy images by any ratio from |
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|
50% to 200%, selectable in 1% increments. |
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[15] |
Autom. Zoom key |
Press to select or cancel Automatic Zoom. |
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|
* To use Automatic Zoom, your copier must be equipped |
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|
with the optional Automatic Document Feeder (ADF). |
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|
When copying using the stack bypass or a universal cas- |
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|
sette, you cannot use Automatic Zoom. |
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[16] |
Paper Select key |
Press to select the paper supply (paper cassette or stack |
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|
bypass). |
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[17] |
Paper Supply/Jam Location indica- |
Lights to show the selected paper supply (paper cassette |
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tor |
or stack bypass). |
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If a paper jam occurs, flashes to show jam location. |
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* This indicator will also flash to inform the user of vari- |
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|
ous errors. |
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[18] |
Enlarge key |
Press to enlarge copy images using a fixed enlargement |
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|
ratio. |
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[19] |
1:1 (Direct) Copy key |
Press to make copies the same size as the original. |
[20] |
Reduce key |
Press to reduce copy images using a fixed reduction ratio. |
[21] |
AE (Automatic Exposure) key |
Press to select or cancel Automatic Exposure Control. |
[22] |
Exposure lever |
Use to manually adjust the lightness/darkness of copies. |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
1-9 |
CHAPTER 1 GENERAL DESCRIPTION
B.Daily Inspection to Be Performed by the User
Carefully instruct the user to be sure to clean the following parts of the copier once a week.
1.Primary Corona Assembly
Slide in and out the wire cleaner to clean the corona wires.
2.Copyboard Glass
Clean the copyboard glass with a moist cloth; then, wipe it dry.
3.Copyboard Cover
Clean the copyboard cover with a mild detergent solution; then, wipe it dry.
4.Transfer Corona Assembly
Remove the transfer corona assembly from the copier; then, slide the knob (wire cleaner) at the bottom of the transfer corona assembly back and forth to clean the corona wires.
Further, clean the static eliminator using the cleaning brush (accessory).
1-10 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 1 GENERAL DESCRIPTION
A.Outline
Copyboard glass |
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Scanning lamp |
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Lens |
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Primary corona assembly |
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Developing |
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assembly |
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Pre-exposure lamp |
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Cleaning roller |
Drum cleaner |
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Picture to |
be changed |
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+ |
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+ |
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(1 register |
station only) |
+ |
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+ |
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+ |
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+ |
+ |
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Upper fixing roller |
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+ |
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+ |
+ |
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+ |
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+ |
Transfer |
corona |
assembly |
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+ |
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Static |
charge |
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+ |
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eliminator |
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+ |
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Upper |
fixing roller |
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Figure 1-501
This copier consists of the units shown in Figure 1-501.
The image forming process is divided into the eight steps shown below. Step 1: Pre-exposure
Step 2: Primary corona (negative DC) Step 3: Image exposure
Step 4: Developing (positive plus AC) Step 5: Transfer (negative DC)
Step 6: Separation Step 7: Fixing
Step 8: Drum cleaning
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Electrostatic latent image formation block |
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2. Primary corona |
3. Image exposure |
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1. Pre-exposure |
4. Developing |
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8. Drum |
cleaning |
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5. Transfer |
Multifeeder |
Copy delivery |
6. Separation |
Registration |
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7. Fixing |
Cassette |
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Flow of |
copy paper |
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Direction |
of rotation of drum |
Figure 1-502
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
1-11 |
BASIC OPERATION
In outline diagrams, represents mechanical drive paths, and indicates electrical signal paths.
Signals in digital circuits are identified as ‘1’ for High and ‘0’ for Low. The voltage of signals, however, depends on the circuit.
Nearly all operations of the product are controlled by a microprocessor; the internal workings of the processor are not relevant to the serviceman’s work and, therefore, are left out of the discussions. By the same token, no repairs are prescribed for the PCBs at the user’s premises; for this reason, PCBs are discussed by means of block diagrams rather than circuit diagrams.
For the purpose of explanation, discussions are divided into the following: from sensors to DC controller PCB input ports; from DC controller output ports to loads; and minor control circuits and functions.
I. BASIC OPERATION .................... |
2-1 |
D. |
DC Controller Outputs ........... |
2-6 |
|
A. |
Functions ............................... |
2-1 |
E. |
Basic Sequence of Operations |
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B. Outline of Electric Circuitry ... |
2-2 |
|
(Direct, Continuous Copying |
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C. |
Inputs to DC Controller ......... |
2-4 |
|
(2 sheets)) ............................. |
2-9 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 2 BASIC OPERATION
A.Functions
The copier can be divided into four functional sections: paper pick-up and feed system, exposure system, image formation system, and control system.
Control |
system |
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Control |
panel |
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Control |
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circuit |
Exposure system |
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Copybord |
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Scanner |
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Optical |
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system |
tormation |
Image |
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system |
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Pnimary corona |
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Cleaning unit |
Photosensi- |
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Developing |
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tive drum |
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assembly |
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Transfer and |
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Multifeeder |
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separation |
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assembly |
Pick-up |
assembly |
Paper |
delivery |
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Feeder |
control |
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assembly |
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tray |
Copy |
delivery |
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Fixing |
assembly |
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assembly |
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Cassette
Paper pick-up and feed system
Figure 2-101
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
2-1 |
CHAPTER 2 BASIC OPERATION
B.Outline of Electric Circuitry
The NP-6317's main mechanisms are controlled by the microprocessor, PROM, and EEPROM on the DC controller PCB.
1.Microprocessor (Q300)
•controls the copying sequence
•controls the control panel
•controls the main motor/scanner motor/mirror motor
•controls the scanning lamp/fuser lamp
•reads the analog signals
2.PROM (Q301)
•contains the sequence program
3.EEPROM (Q317)
•stores data that can be modified in the service mode (replaces conventional variable resistors and switches)
Note:
EEPROM is a type of ROM in which data may be erased or stored newly.
For this reason, the NP-6317's RAM and RAM are not backed up by a lithium battery.
Note:
The NP-6317 is equipped with an A/D converter and, therefore, its microprocessor can read analog signals.
Note:
The main motor (M1) is a brushless motor.
The scanner motor (M2) and mirror motor (M3) are stepping motors which use the oscillation frequency of the crystal oscillator on the DC controller.
2-2 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 2 BASIC OPERATION
<Sensors>
Scanner home position sensor Lens home position sendor Cassette paper sensor Delivery paper sensor Pre-registration paper sensor Multifeeder paper densor Mirror home position sensor
Cassette size sensor
Right door switch
AE sensor
Black toner level sensor
Conntrol panel
Thermistors
Sensors, Switches
Sensors, Switches
<Control panel>
DC controller PCB
Microprocenssor (Q300)
PROM (Q301)
EEPROM (Q317)
Driver (Q324)
Microprocessor
Sorter controller PCB
Microprocessor
ADF controller PCB
Figure 2-102
<Loads>
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Main motor |
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AC driver/DC |
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Fixing roller heater |
power supply |
PCB |
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HVT
Registration roller clutch
Lens solenoid
Pick-up clutch solenoid
Blank solenoid
Multifeeder solenoid
Primary/Transfer corona assembly
Developing bias
GND bias
Lamp regulator |
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|
Scanning lamp |
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||
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Scanner motor
Mirror motor
Pre-exposure lamp
Exhaust fan
Scanner cooling fan
Sorter
ADF
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
2-3 |
CHAPTER 2 BASIC OPERATION
C.Inputs to DC Controller
1.Inputs to DC Controller (1/2)
Q1
Multifeeder paper sensor
Q2
Pre-registration paper sensor
Q3
Right door sensor
Q4
Mirror home position sensor
Q5
Scanner home position sensor
Q6
Lens home position sensor
Q7
Cassette paper sensor
Q8
Delivery paper sensor
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DC controller PCB |
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J24-1 |
J311-5 |
5V |
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-2 |
-4 |
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when |
paper is over |
Q1, "1" |
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MFPD |
(light-blocking |
plate |
is |
at |
Q1) |
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-3 |
-3 |
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J23-1 |
J304-9 |
5V |
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-2 |
-8 |
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when |
paper is at Q2, "1" |
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PRP |
(light-blocking |
plate |
is |
at |
Q2) |
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-3 |
-7 |
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J27-1 |
J311-8 |
5V |
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when |
night door is |
closed, "1" |
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-2 |
-7 |
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RDC |
(light-blocking |
plate |
is |
at |
Q3) |
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-3 |
-6 |
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J801-1 |
J312-3 |
5V |
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-2 |
-2 |
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when |
mirror motor |
is |
at |
home |
position, "1" |
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MHP |
(light-blocking |
plate |
is |
at |
Q4) |
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-3 |
-1 |
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J35-1 |
J312-6 |
5V |
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|||
-2 |
-5 |
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when |
scanner |
is at |
home position, "1" |
||||
SCHP |
(light-blocking |
plate |
is |
at |
Q5) |
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||||
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-3 |
-4 |
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J33-1 |
J312-9 |
5V |
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-2 |
-8 |
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when |
lens is at home |
position, "1" |
|||||
LHP |
(light-blocking |
plate |
is |
at |
Q6) |
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||||
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-3 |
-7 |
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J26-1 |
J303-7 |
5V |
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|||
-2 |
-6 |
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when |
paper is in cassette, "1" |
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|||||
CPEP |
(light-blocking |
plate |
is |
at |
Q7) |
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||||
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-3 |
-5 |
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J44-1 |
J314-5 |
5V |
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|||
-3 |
-3 |
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when |
paper is at Q8, "0" |
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||||
DLP |
(light-blocking |
plate |
is |
not at Q8) |
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-2 |
-4 |
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Figure 2-103 |
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2-4 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
CHAPTER 2 BASIC OPERATION
2.Inputs to DC Controller (2/2)
AE sensor
Black toner leveol sensor
Thermistor 2 (auxiliary)
Thermistor 1 (main)
Cassette size sensor
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DC controller PCB |
|||
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AE |
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24V |
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J701-4 |
J312-13 |
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24V |
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-2 |
-11 |
AE |
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- |
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See p. 3-25 |
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+ |
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-1 |
-10 |
AEGIN |
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-3 |
-12 |
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TS1 |
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J39-3 |
J303-3 |
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-2 |
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BTEP |
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-1 |
-1 |
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J45-1 |
J317-1 |
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TH2 |
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TH2 (NTC2) |
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-2 |
-2 |
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TH1(NTC1) |
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The voltage lowers as the fixing |
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-4 |
J317-4 |
TH1 |
heater |
temperature |
rises. |
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-3 |
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CST(SW3) |
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J28-3 |
J313-2 |
CSZ1 |
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-4 |
-3 |
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CSZ2 |
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-5 |
-4 |
CSZ3 |
Reads |
the cassette |
size; see p. 3-32. |
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-6 |
-5 |
CSZ4 |
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-2 |
-1 |
oscillation |
signal |
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Figure 2-104
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
2-5 |
CHAPTER 2 BASIC OPERATION
D.DC Controller Outputs
1.DC Controller Out Puts (1/3)
Noise
filter DS1
SW1
Control panel PCB
24V
J509-1
J509-2 |
J503-1 |
DC controller PCB
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Power supply |
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assembly |
J316-11 |
PWOFF |
when "0" |
AC power OFF (main |
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24V |
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switch). |
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K100 |
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J318-3 |
HTPT |
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when "0" |
AC power OFF (power |
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supply unit). |
Fixing roller heater |
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Fixing heater |
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-2 |
HTCK |
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when "0" |
fixing roller heater ON. |
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ON detection |
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J4-1 |
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circuit |
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LA1 |
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Fixing |
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-2 |
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-1 |
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heater drive |
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HTRD |
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when "1" |
fixing roller heater ON. |
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F1 |
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circuit |
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Thermoswitch 1 |
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J201-1 |
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J203 |
J305 |
24V |
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-1 |
-6 |
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Scanning lamp |
F2 |
-2 |
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-4 |
-3 |
LAMP-CHECK |
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-5 |
-2 |
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J202-3 |
Lamp driver unit |
ZERO-CROSS |
See p. 3-20. |
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LA2 |
Thermoswitch 2 |
-1 |
-3 |
-4 |
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LIGHT |
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-2 |
-5 |
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-6 |
-1 |
LAMP-SHIFT |
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Scanner motor |
M2 |
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See |
p. 3-9. |
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Mirror motor |
M3 |
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See |
p. 3-9. |
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J351-1 |
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J301-1 |
MMLOCK |
when "0" |
main motor is moving. |
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-2 |
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-2 |
MMD |
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when "1" |
main motor ON. |
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Main motor |
M1 |
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-3 |
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-3 |
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-4 |
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-4 |
+24V |
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Figure 2-105 |
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|
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|
2-6 |
COPYRIGHT © 1999 CANON INC. |
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |