Canon NP6012 User manual

— NPSOTZ/NPoUlar
[NPBA
SERVICE
~ MANUAL
REVISION 1
Canon
+
SEPT. 1985 FY8-13DW-010
TED MH JAPAN CIMPRIME AU JAPON)

IMPORTANT
THE INFORMATION CONTAINED HEREIN IS PUBLISHED BY CANON, INC., JAPAN, AND IS
FOR REFERENCE USE ONLY. 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.
COPYRIGHT © 1995 CANON INC.
Printed in Japan
Inprimé au Japon
Prepared by
OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPARTMENT
OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION
CANON INC.
30-2; Shimomaruko 3-chome,Onta-ku, Tokyo 146 Japan
CATER
©
105
CU
Oe.
CANON
MPOTE
|
MPOOIZE
/
MPCTIE
HEY.1
CEPT,
1095
PRNTES
WH
JAPIN
(IMPRLME
AN
JUPOR)

This Service Manual contains the basic facts and figures about the plain paper copier
NP6012, NP6012F, NP6212, and is compiled to serve as a handy reference for servicing the
machine in the field.
This Service Manual consists of the following chapters:
In CHAPTER 1, “GENERAL DESCRIPTION,” a brief discussion of the copier’s features,
specifications, and an explanation of its operation are given.
CHAPTER 2 “COPYING PROCESS?” deals with the inner workings of the copier associated
with the generation of copies.
CHAPTER 3 “OPERATIONS AND TIMING” explains how the copier’s electrical and
mechanical systems are related to each other with respect to functions and timing of
operations.
In CHAPTER 4, “MECHANICAL SYSTEM,” the copier’s mechanical system is discussed as
to its operation, disassembly, reassembly, and adjustment.
CHAPTER 5 “INSTALLATION” gives step-by-step instructions for installing the copier
together with checks to make for each step.
CHAPTER 6 “MAINTENANCE AND SERVICING’ contains tables of replacement parts and
consumables.
In addition to the above chapters, this Service Manual contains a set of appendixes
consisting of a general timing chart and general circuit diagrams.
A separate document entitled Service Handbook is also available for troubleshooting
problems in the copier.
-Note:
The contents of this manual may be updated from time to time to reflect improvements
rendered to the copier; a Service Information Bulletin will be issued as necessary to cover
major changes.
All service persons are expected to be thoroughly familiar with the information contained in
this manual, Service Handbook, and Service Information Bulletins, for quick response to the
user’s needs.
COPYRIGHT © 1995 CANON INC. CANON NP6012/NPSOIZF/HP6212 REV SEPT, 1995 PRINTEDIN JAPAN (IMPRIME AU JAPON}

CONTENTS
CHAPTER 1 GENERAL DESCRIPTION
FEATURES... ccc 121 Hl. NAMES OF PARTS... eee 1-6
Il. SPECIFICATIONS vo. seceeerees 1-2 IV. OPERATIONS uu... scssceecseneescees 1-9
CHAPTER 2 COPYING PROCESS
I]. IMAGE FORMATION..............5 21 li. AUXILIARY PROCESS... 2-8
CHAPTER 3 OPERATIONS AND TIMING
I. BASIC OPERATION... 3-1 MIL. AD Resscscnsvevesaviitovisvspivapszeiseteotane 3-68
Il. EXPOSURE SYSTEM - a1 Vill. STANDARDS AND
I, IMAGE FORMATION SYSTE!
. BA7 ADJUSTMENTS o.ccccscscssssssessssn
3-45 IX. SERVICE MODE... -
: 3-63 X. SELF DIAGNOSIS
3.64
IV.
Vi.
PICK-UP/FEEDING SYSTEM... Vill. ELECTRICAL SYSTEM.
| EXPOSURE SYSTEM... i IX. ADF.
V. CHARGING SYSTEM
SELECTING THE SITE... 5-1 Hl. RELOCATING THE COPIER ...... 5-17
ll. UNPACKING AND
INSTALLATION... sessseeseeseeseees 5-2
COPYRIGHT © 1995 CANCNINC. CANON NP6O12 /NPGOI2F /NP5212 REV. SEPT. 1995 PRINTEDIN JAPAN (IMPRIME AU JAPON)

CHAPTER
6
MAINTENANCE
AND
SERVICING
Il. PERIODICALLY REPLACED {. DURABLES AND
PART
Sinccte
cas
ilasecaneeaeaonnos
61
CONSUMABLES
......cee
ere
recerees
6-1
i, SCHEDULED SERVICING.......... 61
APPENDIX
=n
Se
A. GENERAL TIMING CHART ........ A-1 |. INTENSITY/AE SENSOR
B.
SIGNALS
AND
CIRCUIT
DIAGRAM
......
secre
A-27
ABBREVIATIONS
A-3
J.
SENSOR
CIRCUIT
DIAGRAM....
A-28
C.
GENERAL
CIRCUIT
DIAGRAM..
A-5
K.
NOISE
FILTER
CIRCUIT
D.
DC
CONTROLLER
CIRCUIT
DIAGRAM
Qu...
eeeececceeteeeereteereatees
A-29
DIAGRAM
.....scsesceesceesceeteneneeneees
A7
L.
HIGH
VOLTAGE
CONTACT
E.
ADF
CONTROLLER
CIRCUIT
CIRCUIT
DIAGRAM
.......ecereceee
A-30
DIAGRAM...
cecceseeeceenenrereceeeee
“15
M.
BLANK
EXPOSURE
(front)
F.
COMPOSITE
POWER
SUPPLY
CIRCUIT
DIAGRAM.........
ee
A-31
CIRCUIT
DIAGRAM
.........
eee
A-18
N.
BLANK
EXPOSURE
(rear)
G.
TONER
LEVEL
DETECTION
CIRCUIT
DIAGRAM
CIRCUIT
DIAGRAM
........crcreree
A-24
©.
PRE-EXPOSURE
CIRCU
H.
CONTROL
PANEL
CIRCUIT
DIAGRAM
DIAGRAM.
.......2:cecerceeseessseeteeen
eee
A-25
P.
SPECIAL
TOOLS
..
Q.
SOLVENTS/OILS
COPYRIGHT
©
1995
CANON
INC.
CANON
NP6D12/NP6OI2F
/NP6212
REV.1
SEPT,
1995
PRINTED
IN
JAPAN
(PRIME
AU
JAPON)

CHAPTER 1
GENERAL DESCRIPTION
I?
TREATURE
ST
Re
a
sccossnctsesprebiateveyerr
1-1
lll.
NAMES
OF
PARTS
.......56....-000
1-6
I.
SPECIFICATIONS..,........-..:cccc
1-2
IV.
OPERATIONS
0,0...
cceceverttenseseee
1-9
COPYRIGHT
©
1995
CANON
INC.
CANON
NPGO12/NPGOI2F
P6212
REV.
SEPT.
1955:
PRINTED
IN
JAPAN
(MPRIME
AU
JAPON)

ESS SSS es GENERAL DESCRIPTION ad
I. FEATURES
1, Fixed copyboard with zooming.
* in addition to the default reproduction ratios, a ratio between 70% and 141% may be
selected.
2. Designed with considerations for the environment.
* The use of a charging rolter helps to limit the generation of ozone; average of 0.01 ppm or
less, maximum of 0.02 ppm or less. (1/100 to 1/000 of existing machines)
3. Uses a SURF fixing assembly.
* The use of the SURF fixing mechanism enables a 0-sec wait time.
* In addition, the maximum power consumpticn is 0.98 kW or less.
4. Cassette accommodating various types of paper and 2-way pick-up.
* The universal cassette (about 250 sheets) accommodates paper of sizes between
A4/LTR and A5S/STMT.
* In addition, sheets as large as A4/LTR to business card may be used (manual).
5. Separate top unit.
*¢ The copier’s top unit may be opened to make jam removal easy.
COPYRIGHT © 1995 CANON INC. CANON NP6012/NPGOI2F /NP6212 REV.t SEPT, 1995 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1

mmm
GENERAL
DE
SCP
10
(am
ll. SPECIFICATIONS
A. Copier
1. Type
: Desktop
| Fixed
__|Fluorescent lamp (17 W)
Fixed lens array
: |OPC (24 dia.)
Auto Cassette (1 holder)
Multifeeder
Curvature separation + static eliminator
Cleaning Blade
Original orientation —_| Center reference (copyboard)
1-2
COPYRIGHT
©
1995
CANON
INC.
CANON
NP6O12/NPGO12F/NP6212
REV.
SEPT.
1995
PRINTED
IN
JAPAN
{IMPRIME
AU
JAPON)

GENERAL DESCRIPTION ia
3. Performance
‘Original type Sheet, book, 3-D object (2 kg max.)
Maximum original size | A4/LTR, (LGL)
Maximum original size_ :
MRECT.
g
a
220/240V
BIR
3
S
WEEE
70%~ 141% (in 1% increments)
0 sec (approx.; at 15°C/68°F)
First copy time 10 sec (approx.; at 15°C/68°F, with scanning lamp heater ON)
Continuous copying 100 copies (max.)
See Table 1-101.
i
Copy size
AAR/LTR-R (max.), business card (min.)
Plain paper (64 to 80 g/m?), tracing paper (GNT80), colored paper*
Plain paper (52 to 128 g/m?), tracing paper (GNT80), colored paper’,
postcard’, transparencies’, business card (200 g/m? or less, 51X88 mm or
more), label sheet*
Copy paper type
J
f
Plain paper (60 to 128 g/m?), colored paper’, postcard*, business card (200
g/m? or less, 51X88 mm /2.0X3.5 in. or more)
250 sheets, clawless, front loading, A4/LGL to A5/STM (universal)
sz a
5 mm /0.20 in. deep (approx.; about 50 sheets of 80 g/m? paper)
100 sheets (approx.; A4, 80 g/m? paper)
2.0+1.5 mm /0.08+0.06 in. {two-sided/overlay/one-sided)
0,0+2.0-0.0 (A4), 0.0+4.0-0.0 (LGL/LTR) (two-sided/overlay/one-sided)
Available (about 5 min; fixed)
*As recommended by Canon.
‘Single feeding only.
COPYRIGHT © 1995 CANON INC. CANON NP6O12/NP6OI2F/NP6212 REV. SEPT. 1995 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-3