Canon NP7160 Service Manual page 13

I. SELECTING THE SITE ............................ 8-1
II. UNPACKING AND INSTALLATION ........ 8-2
A. Unpacking .......................................... 8-2
B. Removing the Metal Fixings ............... 8-3
C. Mounting the Drum Unit ..................... 8-4
D. Cleaning the Parts and Making Checks .. 8-6
E. Checking the Images/Operations and
User Mode .......................................... 8-8
F. Supplying Toner ............................... 8-10
III. RELOCATING THE MACHINE .............. 8-12
CHAPTER 9 MAINTENANCE AND SERVICING
I. PERIODICALLY REPLACED PARTS ..... 9-1
A. Copier ................................................. 9-1
II. CONSUMABLES AND DURABLES ........ 9-2
A. Copier ................................................. 9-2
CHAPTER 10 TROUBLESHOOTING
I. GUIDE TO TROUBLESHOOTING
TABLES .................................................. 10-1
A. Image Adjustment Basic Procedure 10-3
B. Points to Note for Scheduled Servicing . 10-4
II. STANDARDS AND ADJUSTMENTS .... 10-5
A. Mechanical ....................................... 10-5
1. Leading Edge Non-Image
Width (blank exposure lamp
off timing) .................................... 10-5
2. Image Leading Edge Margin
(registration on timing) ............... 10-5
3. Left/Right Registration
(cassette) .................................... 10-6
B. Exposure System ............................. 10-7
1. Routing the Scanner Drive
Cable .......................................... 10-7
2. Adjusting the Position
of the Mirror ................................ 10-8
3. Adjusting the Tension
of the Scanner Drive Cable ........ 10-9
C. Image Formation System ............... 10-10
1. Outline ...................................... 10-10
2. Stringing the Charging Wires ... 10-10
3. Adjusting the Height of the
Charging Wires ........................ 10-13
D. Pick-Up/Feeding System ............... 10-14
1. Adjusting the Pressure
of the Separation Pad .............. 10-14
COPYRIGHT © 1998 CANON INC.
CHAPTER 8 INSTALLATION
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
IV. INSTALLING THE CONTROL
CARD IV N ............................................. 8-13
V. INSTALLING THE REMOTE
DIAGNOSTIC DEVICE II .......................... 8-14
VI. INSTALLING THE ACCESSORY
COUNTER ................................................ 8-23
VII. INSTALLING THE ACCESSORY
HEATER ................................................. 8-25
A. Installing the Heater Switch ............. 8-25
B. Mounting the Cassette/Drum Heater 8-26
C. Installing the Mirror Heater ............... 8-27
III. SCHEDULED SERVICING CHART ........ 9-3
IV. SCHEDULED SERVICING TABLE ......... 9-5
A. Copier ................................................. 9-5
2. Changing the Cassette Size
(AB/INCH) ................................ 10-14
E. Fixing System ................................. 10-16
1. Adjusting the Height of the
Fixing Assembly Inlet Guide .... 10-16
2. Adjusting the Pressure of
the Lower Roller (nip) ............... 10-16
F. Electrical System ............................ 10-18
1. Obtaining Optimum Exposure ... 10-18
2. AE Adjustment ......................... 10-19
3. After Replacing the
DC Controller PCB ................... 10-22
4. Checking the Photointerrupters .... 10-23
III. IMAGE FAULTS ................................... 10-25
A. Initial Checks .................................. 10-25
1. Checking the Site Environment .... 10-25
2. Checking the Originals ............. 10-25
3. Checking the Copyboard
Cover and Copyboard Glass ... 10-25
4. Checking the Charging
Assembly .................................. 10-26
5. Checking the Developing
Assembly .................................. 10-26
6. Checking the Paper ................. 10-26
7. Checking the Periodically
Replaced Parts ......................... 10-26
8. Others ....................................... 10-26
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