Resumen del contenido incluido en la página 1
SERVICE
MANUAL
REVISION 0
FY8-13FB-000
AUG. 1998
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Resumen del contenido incluido en la página 2
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
Resumen del contenido incluido en la página 3
Resumen del contenido incluido en la página 4
Resumen del contenido incluido en la página 5
INTRODUCTION This Service Manual contains basic facts and figures on the NP7161/NP7160 needed to service the machine in the field. This copier is designed to enable full automatic copying work, and comes with the following systems accessories: 1. ADF-G1* 2. Staper Sorter-L1* 3. MS-C1* 4. Cassette Feeding Module-C1 * NP7161 only. This Service Manual covers the copier only, and consists of the following chapters: Chapter 1 General Description introduces the copier’s features and specifications, sh
Resumen del contenido incluido en la página 6
The following rules apply throughout this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with reference to the timing of operation. In the diagrams, represents the path of mechanical drive—where a signal name accompanies the symbol , the arrow indicates the direction of the electric signal. The expression “turn on the power” means flipping on the power switch, closing the front door
Resumen del contenido incluido en la página 7
System Configuration The copier is designed to accommodate the following accessories: *NP7161 only. ADF-G1* Feeds a stack of original pages to the copyboard page by page. Control Card IV N Controls volumes MS-C1* Stapler Sorter-L1* of copying work. Sorts and groups up to In addition to the functions 10 sets of pages of a 10-bin sorter, staples automatically. sorted pages automatically. Cassette Feeding Module-C1 Provides an additional cassette. COPYRIGHT © 1998 CANON INC. CANON NP7161/NP716
Resumen del contenido incluido en la página 8
iv COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Resumen del contenido incluido en la página 9
CONTENTS CHAPTER 1 GENERAL DESCRIPTION I. FEATURES .............................................. 1-1 IV. OPERATING THE MACHINE ................ 1-10 II. SPECIFICATIONS ................................... 1-2 A. Control Panel.................................... 1-10 A. Copier ................................................. 1-2 B. User Mode ........................................ 1-12 1. Type ............................................. 1-2 1. Outline ........................................
Resumen del contenido incluido en la página 10
CHAPTER 3 EXPOSURE SYSTEM I. OUTLINE OF OPERATION ..................... 3-1 1. Outline ........................................ 3-10 A. Changing the Reproduction Ratio...... 3-1 2. Detection of the Original Size II. LENS DRIVE SYSTEM ............................ 3-3 by the ADF ................................. 3-10 A. Driving the Lens ................................. 3-3 V. DISASSEMBLY/ASSEMBLY ................. 3-11 1. Outline .......................................... 3-3 A. Scanner Drive As
Resumen del contenido incluido en la página 11
1. Removing the Drum Unit ........... 4-28 1. Outline ........................................ 4-32 2. Cleaning the Photosensitive 2. Stringing the Charging Wires ..... 4-32 Drum ........................................... 4-29 3. Adjusting the Height of the Charging Wires .......................... 4-36 3. Removing the Cleaner G. Developing Assembly....................... 4-37 Thermistor .................................. 4-29 1. Removing the Developing D. Primary Charging Assembly ............
Resumen del contenido incluido en la página 12
CHAPTER 6 FIXING SYSTEM I. OUTLINE OF OPERATION ..................... 6-1 6. Removing the Main Thermistor ... 6-12 A. Outline ................................................ 6-1 7. Removing the Sub Thermistor ... 6-12 B. Controlling the Fixing Temperature ... 6-2 8. Removing the Fixing Upper Roller .......................................... 6-13 C. Error Detection Circuit ........................ 6-5 9. Removing the Fixing Lower 1. Outline .......................................... 6-5 Roller
Resumen del contenido incluido en la página 13
CHAPTER 8 INSTALLATION I. SELECTING THE SITE............................ 8-1 IV. INSTALLING THE CONTROL II. UNPACKING AND INSTALLATION ........ 8-2 CARD IV N ............................................. 8-13 A. Unpacking .......................................... 8-2 V. INSTALLING THE REMOTE DIAGNOSTIC DEVICE II .......................... 8-14 B. Removing the Metal Fixings............... 8-3 C. Mounting the Drum Unit ..................... 8-4 VI. INSTALLING THE ACCESSORY D. Cleaning the Parts
Resumen del contenido incluido en la página 14
B. Image Fault Samples ..................... 10-28 17. E800 ......................................... 10-51 C. Troubleshooting Image Faults ....... 10-29 18. E805 ......................................... 10-51 1. The copy is too light. 19. E821 ......................................... 10-51 (halftone area only) .................. 10-29 20. AC power is absent. ................. 10-52 2. The copy is too light. 21. DC power supply is absent. ..... 10-53 (including solid black area) ...... 10-30 2
Resumen del contenido incluido en la página 15
1. DC Controller PCB ................... 10-77 D. Display Mode [1] ............................ 10-84 2. Power Supply PCB .................. 10-80 E. I/O Display Mode [2]....................... 10-88 3. Lamp Regulator PCB ............... 10-80 F. Adjust Mode [3] .............................. 10-92 4. High-Voltage Power Supply G. Function Mode [4] .......................... 10-94 PCB .......................................... 10-81 H. Option Mode [5] .............................. 10-95 VII. SER
Resumen del contenido incluido en la página 16
Resumen del contenido incluido en la página 17
CHAPTER 1 GENERAL DESCRIPTION This chapter introduces the copier’s features and specifications, shows how to operate the copier, and explains how copies are made. I. FEATURES .............................................. 1-1 A. Control Panel.................................... 1-10 II. SPECIFICATIONS ................................... 1-2 B. User Mode ........................................ 1-12 A. Copier ................................................. 1-2 V. ROUTINE MAINTENANCE III. NAMES
Resumen del contenido incluido en la página 18
Resumen del contenido incluido en la página 19
CHAPTER 1 GENERAL DESCRIPTION I. FEATURES 1. The copier is designed light in weight (about 42 kg), and compact in size (566 mm wide, 541mm deep). 2. The copier turns out as many as 16 copies each minute (A4/LTR). 3. The addition of the Cassette Feeding Module-C1 (accessory) enables a source of paper capable of holding a maximum of 1,050 sheets. 4. The density may be adjusted to 33 different shades, or in automatic mode (AE). 5. The use of a photo mode promises faithful reproduction of halftone
Resumen del contenido incluido en la página 20
CHAPTER 1 GENERAL DESCRIPTION II. SPECIFICATIONS A. Copier 1. Type Body Desktop Copyboard Fixed Light source Halogen lamp (120V:200W/230V:220W) Lens Lens array Photosensitive material OPC (30 dia.) 2. Mechanisms Copying Indirect electrostatic Charging Corona Exposure Slit (moving light source) Copy density adjustment Auto or manual Development Dry (toner projection) Auto Front cassette (1 pc.) Pick-up 2 Manual Multifeeder (5 mm deep approx.; about 50 sheets of 8
