Canon NP6621 Service Manual page 6

C. Duplexing Unit ................................... 3-63
D. Pick-Up from the Cassette Feeding
Module-A2 ......................................... 3-72
E. Pick-Up from the Cassette Feeding
Unit-K1 ............................................... 3-74
F. Paper Deck Pedestal-K1 ................... 3-76
G. Multifeeder ......................................... 3-82
H. Identifying the Size of the Cassette ... 3-85
I. Fixing/Delivery Assembly .................. 3-87
J. Detecting Jams .................................. 3-92
V. POWER SUPPLY .................................. 3-101
A. Outline of Power Distribution ........... 3-101
B. Power Supply Circuitry .................... 3-102
C. Detecting Errors on the Power Supply
PCB ................................................. 3-103
D. Protection Mechanisms for the Power
Supply Circuit .................................. 3-104
CHAPTER 4 MECHANICAL SYSTEM
I. EXTERNALS ............................................. 4-1
A. External Covers ................................... 4-1
B. Control Panel ....................................... 4-2
C. Removing the Display Panel ............... 4-2
D. Fan ...................................................... 4-3
E. Counter ................................................ 4-4
II. DRIVE SYSTEM ........................................ 4-5
A. Scanner Drive System ......................... 4-5
B. Lens Drive Assembly ......................... 4-10
C. Main Motor ......................................... 4-14
III. PICK-UP/FEEDING SYSTEM ................. 4-15
A. Pick-Up Assembly ............................. 4-15
B. Multifeeder Assembly ........................ 4-17
C. Registration Roller Assembly ............ 4-20
D. Feeding Assembly ............................. 4-22
E. Delivery Assembly ............................. 4-22
I. SELECTING THE SITE ............................. 5-1
II. UNPACKING AND INSTALLING THE
COPIER ..................................................... 5-2
A. Unpacking and Removing Fixings ....... 5-2
B. Turning On the Copier ......................... 5-5
C. Checking the Images and
Operations ........................................... 5-7
D. Attaching the Drum Unit ...................... 5-8
E. Changing the Cassette Size ................ 5-9
III. RELOCATING THE COPIER .................. 5-11
IV. REPLACING THE DRUM UNIT .............. 5-12
V. INSTALLING THE CONTROL
CARD IV N ............................................... 5-14
iv
CHAPTER 5 INSTALLATION
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VI. SERVICE MODE ................................... 3-105
A. Outline ............................................. 3-105
B. Using Service Mode ........................ 3-105
C. Control Display Mode ('1') ............... 3-107
D. I/O Mode ('2') ................................... 3-110
E. Adjustment Mode ('3') ..................... 3-114
F. Operation/Inspection Mode ('4') ...... 3-117
G. Machine Settings Mode ('5') ............ 3-118
H. Counter Mode ('6') ........................... 3-120
VII. SELF DIAGNOSIS ................................. 3-121
A. Copier Self Diagnosis ...................... 3-121
B. Self Diagnosis on the Cassette Feeding
Unit .................................................. 3-124
C. RDF/ADF Self Diagnosis ................. 3-125
D. Sorter Self Diagnosis ....................... 3-126
VIII. STANDARDS AND ADJUSTMENTS .... 3-127
A. Electrical .......................................... 3-127
F. Duplexing Assembly .......................... 4-23
G. Cassette Unit ..................................... 4-24
H. Paper Deck Pedestal-K1 ................... 4-27
IV. EXPOSURE SYSTEM ............................. 4-34
A. Illuminating Assembly ........................ 4-34
V. CHARGING SYSTEM ............................. 4-38
A. Drum Unit .......................................... 4-38
B. Primary Charging Assembly .............. 4-39
C. Transfer Charging Assembly ............. 4-40
D. Drum Heater ...................................... 4-41
VI. DEVELOPING SYSTEM ......................... 4-42
VII. FIXING SYSTEM ..................................... 4-45
VIII.ELECTRICAL ........................................... 4-50
A. DC Controller PCB ............................ 4-50
B. Composite Power Supply PCB ......... 4-50
C. AE Sensor PCB ................................. 4-51
VI. CASSETTE HEATER KIT 5 INSTALLATION
PROCEDURE .......................................... 5-16
A. Unpacking .......................................... 5-16
B. Installation (to copying machine) ....... 5-17
C. Installation (to a Cassette Feeding Module-
A2/B2/Cassette Feeding Unit-K1) ....... 5-20
VII. CASSETTE HEATER KIT 7 INSTALLATION
PROCEDURE .......................................... 5-24
A. Unpacking .......................................... 5-24
B. Installation ......................................... 5-25
C. Attaching the Ratings Label .............. 5-27
VIII.INSTALLING THE REMOTE DIAGNOSTIC
DEVICE II ................................................ 5-28
A. Unpacking .......................................... 5-28
B. Installation to the Copier .................... 5-28
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)