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NP6621
Canon NP6621 Service Manual
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Canon NP6621 Service Manual
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Service manual
Service handbook
Table of content
Contents
GENERAL CIRCUIT DIAGRAM
CONTENTS
Table Of Contents
Table Of Contents
Table Of Contents
I. FEATURES
II. SPECIFICATIONS
Cassette Feeding Module-A2/Cassette Feeding Unit-K1
C. Paper Deck Pedestal-K1
III. NAMES OF PARTS
B. Cross Section
IV. BASIC OPERATION
B. Making Copies
C. Using the Stack Bypass
D. User Mode
auto clear time
V. WARNINGS AND ACTIONS
B. Cleaning the Static Charge Eliminator
VI. ROUTINE CLEANING
CHAPTER 2 COPYING PROCESS
Table Of Contents
I. IMAGE FORMATION
B. Latent Static Image Formation Block
C. Step 1 (pre-exposure)
E. Step 3 (image exposure)
G. Step 5 (transfer)
H. Step 6 (separation)
I. Step 7 (fixing)
II. AUXILIARY PROCESS
I. BASIC OPERATIONS
lens motor drive circuit
driving the scanner motor
feeding unit-k
basic construction
lifter operation
g. multifeeder
j. detecting jams
delivery delay jam
delivery stationary jam
v. power supply
b. power supply circuitry
power supply pcb
vi. service mode
a. copier self diagnosis
c. rdf/adf self diagnosis
d. sorter self diagnosis
a. electrical
b. control panel
d. fan
e. counter
ii. drive system
routing the scanner cable
b. lens drive assembly
routing the lens cable
c. main motor
b. multifeeder assembly
d. feeding assembly
f. duplexing assembly
g. cassette unit
h. paper deck pedestal-k
iv. exposure system
v. charging system
d. drum heater
vii. fixing system
a. dc controller pcb
c. ae sensor pcb
A. Unpacking and Removing Fixings
b. turning on the copier
d. attaching the drum unit
e. changing the cassette size
iii. relocating the copier
iv. replacing the drum unit
vi. cassette heater kit 5 installation
b. installation
B. Installation to the Copier
K. CASSETTE FEEDING MODULE-B2 DRIVER CIRCUIT DIAGRAM
circuit diagram
FY8-13F4-000
FEB. 1998
COPYRIGHT
©
1998 CANON INC
.
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
SERVICE
MANUAL
REVISION
0
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