COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)

ix

CHAPTER 8 INSTALLATION
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
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 Heater8-26
C. Installing the Mirror Heater............... 8-27
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
III. SCHEDULED SERVICING CHART ........ 9-3
IV. SCHEDULED SERVICING TABLE ......... 9-5
A. Copier................................................. 9-5
CHAPTER 10 TROUBLESHOOTING
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
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