Canon CLC1000 User manual

COLOR LASER
COPIER 1000
SERVICE
MANUAL
REVISION 1 MAY 1997
Canon
FY8-13E3-010
COPYRIGHT 1997 CANON INC.
CANON CLC 1000 REV. 1 MAY 1997 PRINTED IN JAPAN

1. GENERAL DESCRIPTION -
I.
FEATURES
1.
Turns out as many as 30 copies per minute (both full-color and black-and white).
The newly developed mechanism of four photosensitive drums processes 30 copies every minute.
2. SOOO-sheet large capacity paper source.
The addition of two cassettes (holding 500 sheets each) and a paper deck (4000 sheets) offers a
source ready to supply 5000 sheets of paper.
3.
Automatic duplexing mechanism.
The built-in duplexing unit enables automatic copying on both sides of sheets.
4. Paper of up to 209 g.
Postcards and other materials of heavy stock may be used for copying.
5. Various creative functions.
In addition to such basic creative functions as editing of hue and brightness, installation of the ED
Board Al provides such complex creative functions as framing, gradation, and freehand.
6.
Full line-up of options.
A large number of options are designed for the CLClOOO, including the Preview Monitor, PDF, and
IPU-II.
COPYRIGHT 0 1997 CANON INC. CANON
CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
1-l

1. GENERAL DESCRIPTION -
External delivery roller
Internal delivery roller
No. 2 mirror mount
Upper fixing web
Scanning lamp
Upper fixing roller
Oil applying roller
Lower fixing roller
Pre-fixing feeding assembly
Pre-separation/fixing charging assembly
Image position correction CCD unit
Lens
Bk BD sensor
CCD
Bk image position correction mirror
Bk No. 3 mirror
C image position correction mirror
C BD mirror
C No. 3 mirror
Internal static eliminating roller
Polygon mirror/monitor
M No. 3 mirror
M BD sensor
M image position correction mirror
Y No. 3 mirror
Y image position correction mirror
Y BD mirror
Registration roller
Thick paper detection roller
Multifeeder feeding roller
Multifeeder pick-up roller
Multifeeder tray
Delivery vertical path roller
Duplexing reversal inlet roller
Lower fixing roller web
Duplexing reversal feeding roller
Duplexing reversal outlet roller
Waste toner box
Pre-duplexing feeding assembly
Transfer belt
Transfer cleaning blade
Transfer belt cleaning web
Cassette 2
Duplexing unit
Polishing roller
Oil removing roller
Cassette 1
Pick-up roller
Feeding roller
Separation roller
Pick-up vertical path roller
Paper deck separation roller
Paper deck feeding roller
Paper deck pick-up roller
Pre-exposure lamp
Pre-primary charging assembly
Photosensitive drum cleaner
SALT sensor
Primary charging assembly
Potential sensor
Developing assembly
Photosensitive drum
Transfer charging assembly
COPYRIGHT 0 1997 CANON INC.
CANON CLClLlOO REVlMAY1997 PRlNTEOINJAPAN(IhlPRIhlEAUJAPON)
l-13

- 1. GENERAL DESCRIPTION
C. Control Panel
Figure l-404
Key
@ Extended Copying Mode
keys
@ Message display
Description
Press the appropriate key to
select a specific copying mode.
Indicates the selected copying
mode or provides instructions.
Remarks
@ Reset key
Press it to cancel the selected
copying mode, thereby returning
to standard mode.
@I Stop key
Press it to stop continuous
copying.
@ Pre-Heat key
Press it to start pre-heating
mode or to stop it.
@ Interrupt key
Press it to suspend on-going
copying and to make a copy.
0 Start key
8 Clear key
Press it to start copying.
Press it to change the copy
count or settings.
@ ID key
@ Call key
Press it to start ID mode.
Press it to recall up to three
previous copying modes. A press on the key starts ID
mode, rejecting subsequent
copying commands without
input of an ID.
@I Pilot lamp
Glows green when power is
turned on.
Table l-401
1-14 COPYRIGHT
Q 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

instructions to the User
1.
2.
When making two-sided copies in manual
mode, it is important to correct the curling on
the leading edge by reversing the direction of
the curl.
The transfer medium may be any of the fol-
lowing five types:
Plain paper: regular copy paper (80 to
105 g/m2)
Thin paper: paper thinner than plain
paper (64 to 79 g/m2)
Thick paper:
paper thicker than plain
paper (106 to 163 g/m2)
Extra thick paper: thicker than thick paper
(164 to 209 g/m2)
Transparency: transparency film
Special paper 1: Paper identified as such on
package
Special paper 2: Paper identified as such on
package
3.
Points to Note about Transparencies
Avoid contact with the’ copying side, by
holding at the edge.
Fan out each stack before setting it in a
cassette or the multifeeder.
Remove from the tray immediately after
copying to avoid jamming.
Keep unused transparencies in a box, and
store them avoiding high temperature and
humidity.
4.
n
Points to Note about the Orientation of
Transparencies
lOrient each transparency so that it is fed in
the correct direction.
When Placing in a Cassette,
lIf vertical, orient it so that the white triangle
at the corner is front left 0.
lIf horizontal, orient it so that the white trian-
gle at the corner is front right 0.
Figure l-405
1. GENERAL DESCRIPTJON -
nPlacing on the Manual Feed Tray
lIf vertical, orient it so that the white triangle
is front right 0.
lIf horizontal, orient it so that the white trian-
gle is front left 0.
I
I
Figure l-406
5. Cassette Sheet
In a high humidity environment, paper is like-
ly to become moist and will adversely affect
copying operation. If such is the case, advise
the user to place the cassette sheet on the
bottom of the cassette tray.
COPYRIGHT 0 1997 CANON INC. CANON
CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
l-15

I. IMAGE FORMATION
A. Outline
I
Original exposure block
-\I-...
Lens&CD
Laser unit
Fixina
ass
Separation
( _ flG=__, Pre-f’ axing
t-l.._ II..:_ _
chargiqc
rancfor halt dnzaninn umh
w
Transfer belt
6
-I
8=
I
Pre-duplexing
feeding
.
casse-
Cassew'
1 Transfer blade
\
Transfer belt
Figure 2-101
deck
COPYRIGHT 4 lM7 CANON INC.
CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
2-l

- 2. COPYING PROCESS
For each process color, the CLClOOO uses
one set of components; i.e., photosensitive drum,
developing assembly, cleaning unit. (In other
words, four sets are used for full color reproduc-
tion.)
The CLClOOO’s photosensitive drum consists
of a photo-conductive layer on the other side
(OPC) and a conductive aluminum substrate on
the inside.
The CLClOOO differs from black-and-white
copiers for the following:
Light is shined on a color original, and the
reflected light is separated by filters into the three
primary colors of light for conversion by a CCD.
Using analog video signals (RGB) from the
CCD, video signals are generated for each
process color (YMCK) to drive a semiconductor
laser.
A laser beam is directed to the appropriate
photosensitive drum to develop the image repre-
senting the corresponding process color (of toner;
complementary to the corresponding filter) for
transfer to copy paper; the step is executed alike
for Y, M, C, and K.
The resulting image is fixed to the paper, pro-
ducing a color copy of the original.
The CLCl 000 uses four photosensitive drums
for transfer of images to copy paper, and a trans-
fer belt is used to ensure that copy paper is
moved horizontally under each photosensitive
drum for transfer
The image formation block consists of the fol-
lowing eight steps:
Step 1 Pre-exposure
Step 2 Primary charging
Step 3 Laser exposure
Step 4 Development
Step 5 Retention/transfer
Step 6 Separation
Step 7 Fixing
Step 8 Photosensitive drum cleaning
Auxiliary processes include pre-primary charg-
ing, pre-fixing charging, and transfer belt clean-
ing/static elimination.
(___________________________..____
; Static Latent Image Formation Block
/
7
8. Drum cleaning
Figure 2-102
2-2
COPYRIGHT 0 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU
JAPON)

2. COPYING PROCESS -
B. Static Latent Image
Formation Block
This block consists of three steps and ulti-
mately leaves negative charges in the areas of
the photosensitive drum representing the white
(light) areas of the original, while neutralizing the
charges in the areas representing the black (dark)
areas of the original.
Such an image created on the photosensitive
drum using differences in potential is not visible to
the human eye and is called a static latent image.
Time (t) -
c-_..
I
_-____ “L
I’ \
Light area
:’ (exposed to laser)
8’
Dark area
(white on original)
,
\
Pre-exposure Primary charging Image expose
(step 1)
(step 2)
(step 3)
Figure 2-103
C. Pre-Exposure (step 1)
Photosensitive
Figure 2-l 04
In preparation for primary charging, the light
from the pre-exposure lamp is directed to the sur-
face of the photosensitive drum to remove resid-
ual charges, thereby preventing uneven copy den-
sity.
COPYRlGHTQ1997 CANONINC. CANONCLClOOOREV.1MAY1997
PRlNTEOINJAPAN(lMPRlME AUJAPON)
2-3

- 2. COPYING PROCESS
D. Primary Charging (step 2)
Figure 2-105
The negative corona of the primary charging
assembly charges the surface of the photosensi-
tive drum to a uniform negative potential, estab-
lishing primary potential.
Since the surface potential of the charged pho-
tosensitive drum is determined by the potential of
the grid, a bias is applied to the grid to ensure a
specific drum surface potential.
E. Laser
Exposure (step
3)
Laser beam
Dark area Light area
- - -
Figure 2-l 06
A laser beam of an intensity suited to the
image density of the original is directed to the sur-
face of the photosensitive drum, thereby neutral-
izing the charges on the surface. Such areas are
called the light areas of the photosensitive drum
and will later attract toner in step 4 (development).
2-4
COPYRIGHT 8 1997 CANON INC. CANON
CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

2. COPYING PROCESS -
F. Development (step 4)
/
Y Blade
/
/
Blade
Stray-toner collecting electrode
Figure 2-107
The process in which the latent static image on
the surface of the photosensitive drum is turned
into a visible image is called development.
Since the CL0000 is designed so that the
areas on the surface of the photosensitive drum
exposed to a laser beam will attract toner, the
toner is charged to a negative potential (the same
potential as in primary charging).
As shown in Figure 2-107, the developing
assembly consists of a developing cylinder and a
magnetic blade. The developing cylinder in turn
consists of a fixed magnet and a cylinder which
rotates around the magnet.
The developer is composed of toner (mainly
resins and dye) and carrier (iron powder) mixed at
a specific ratio. The toner and the carrier are
charged to a negative and a positive potential,
respectively, by friction against the rotating cylin-
der.
The developer is held in the form of a brush
over the surface of the cylinder within the mag-
netic field of the fixed magnet, and is deposited in
a uniform layer by a blade.
Figure 2-l 08
Double blanking pulses and a DC bias (nega-
tive component) are applied to the developing
cylinder to improve development efficiency and
reproduction of highlighted areas, resulting in a
developing bias with a larger negative than posi-
tive component.
During copying, toner is attracted to the light
areas of the photosensitive drum because of the
drum surface potential and the negative potential
of the developing bias, turning the latent static
image into a visible image. Excess toner is then
repelled by the photosensitive drum because of
the drum surface potential and the positive com-
ponent of the developing bias.
The electrode plate under the developing
cylinder is supplied with a high voltage (positive)
to attract stray toner, thereby preventing soiling of
the inside of the machine.
COPYRIGHT Q 1997 CANON INC. CANON
CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON) 2-5

Conventional developing bias
Double blanking pulses
4
uuuuuuuuuuuuuuuuuuuuuuuuuuuu
i
----__ --______.._ _ _..
--ov
t
_ __ _-
DC bias
A L
12KHz
1 SKHz I
2-6
Figure 2-109
G.
Retention/Transfer (step 5)
---p-Eq
Transfer blade
F
/-
777
Figure 2-110
The toner on the surface of the photosensitive
drum is transferred to copy paper where the paper
and the photosensitive drum come into contact.
This is done by applying a high-voltage constant
current through a blade and onto the back of copy
paper (from behind the transfer belt).
The CLClOOO uses the same transfer charges
to retain copy paper on the transfer belt. For the
first color (Y), transfer occurs at the same time as
when the copy paper is drawn to the transfer belt
by the work of transfer charges.
COPYRIGHTQ 1997 CANONINC. CANONCLCIOOO
REV.1 MAY1997 PRlNTEDINJAPAN(IMPRIME AU JAPON)

H. Separation (step 6)
I. Fixing (step 7)
Separation charging
[I assembly
r=l
I
COPY paw
s
II
/// ///
Figure 2-l 11
The CLClOOO separates copy paper from the
transfer belt using the rigidity of copy paper (cur-
vature separation). Since thin paper tends to have
little rigidity, it can wrap around the transfer belt,
failing to separate. To prevent such a problem, the
separation charging assembly applies AC corona
and DC bias, facilitating the separation of copy
paper from the transfer belt.
2. COPYING PROCESS m
Oil applying roller
Oil removing blade
Figure 2-112
Depending on the selected color mode, a max-
imum of four transfers takes place before the copy
paper is forwarded to the fixing assembly.
A pair of fixing rollers move the copy paper
under pressure and heat, thereby melting the
toner particles (of four colors) to produce as many
colors as needed, reproducing the original
images and fusing them into the fibers of the
paper.
To prevent adhesion of toner from copy paper
to the surfaces of the fixing rollers (offset), the oil
applying roller constantly supplies silicone oil to
the rollers.
The upper fixing roller is cleaned by a cleaning
web, and the lower fixing roller is cleaned by a
cleaning web and a cleaning blade.
COPYRIGHT Q 1997 CANON INC. CANON
CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON)
2-7

J. Photosensitive Drum
Cleaning
Cleaning blade
\-
sensitive
to”er F??$
feeding screw
Figure 2-l 13
In preparation for the next copying run, the
cleaning blade scrapes off the residual toner from
the surface of the drum.
The collected toner is moved by the waste
toner feeding screw to the rear of the copier and
is collected in the waste toner case.
2-8
COPYRIGHT81997 CANONINC. CANONCLClOOOREV.1 MAY1997 PRlNTEOINJAPAN(IMPRIMEAUJAPON)

II.
A.
AUXILIARY PROCESS
Pre-Primary Charging
_____- _ _ __ _,,~~zz~zz==zzz,
--------__
Preexposure t : $_
II
\I
lamp
r-
111
.a1
_-,,I I
111
$
~---_------~,,
1--r;,------7,-L_
II
II
II
Photosensitive
Figure 2-201
To prevent drum memory caused by the posi-
tive charges of transfer, the CLClOOO executes
pre-primary charging simultaneously with pre-
exposure.
Specifically, negative corona charges are
applied to the photosensitive drum before primary
charging to remove localized positive charges
remaining on the photosensitive drum.
6. Pre-Fixing Charging
Transfer belt
Figure 2-202
The toner on the copy paper after separation is
more or less neutralized and yet is subject to
change while the paper is forwarded.
The CLClOOO causes its pre-fixing charging
assembly to apply a negative DC bias immediate-
ly after separation of copy paper from the transfer
belt to retain the toner on the copy paper, thereby
preventing the toner from moving astray or caus-
ing offset during fixing.
COPYRIGHT (0 1997 CANON INC. CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU
JAPON)
2-9

- 2. COPYING PROCESS
C. Grounding Roller
Figure 2-203
The potential on the transfer belt differs between areas in contactwith copy paper and areas not in con-
tact. To maintain an even potential and, thereby, to increase the efficiency of cleaning performed in the next
step, the belt is grounded by means of a grounding roller.
D. Static Eliminator
i I’
‘* ’
; ,‘:I, :
\ ’
,(I. I’
1; ‘Y *
I
?=I=:
::I
,._’
I’
I \ ‘I
\ ’
0
__/ ,
I ‘\\
, ‘__“,
1’3,
;;-’
I
I
I I
‘\ .“.
,I ‘_______I
, -\\
‘\ ,“\
,I ‘_-_____I
\ I’
. I’
Figure 2-204
The transfer belt after separation of copy paper holds residual charges that occur during transfer. The
static eliminator is used to remove* charges from the transfer belt preparing for retention and transfer for
the next copying run.
*Actually, by applying negative charges.
2-10
COPYRIGHT Q 1997 CANON INC. CANON
CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)

E. Transfer Belt Cleaning
1
i
\
!
I
i
‘\
i
i
/
! \
!
.\
‘\ \ /
. . .
.A
‘Y\
,/
.x
.\.
/
cleaning blade
Transfer belt .
cleaning web
Figure 2-205
See the table for a description and the main use of the cleaning mechanism used to clean the
CLCl 000’s transfer belt:
Transfer belt cleaning
blade
Transfer belt cleaning
web
Removes toner from the transfer belt during registration control. Removes
oil from the transfer belt.
Oil removing roller
Polishing roller
Removes oil from the transfer belt that builds up after two-sided copying.
Roughens the surface of the transfer belt to prevent transfer of oil from the
transfer belt to the photosensitive drum.
COPYRlGHTQ1997CANONINC.
CANONCLClDOO REKlMAY1997 PRINTEDINJAPAN(IMPRIMEAUJAPON)
2-11

I-
- 2. COPYING PROCESS
III. LIMITATIONS
B. Characteristics
A. Outline
There are many difficulties in making high
quality color prints by an electrophotographic
process, some of which are discussed below. The
Color Laser Copier has many design features to
minimize these difficulties, and they are very suc-
cessful.
However, the prints are not of the same quali-
ty as those in highquality printed material, such
as magazine illustrations and photographs.
Each product has its own advantages and
limitations, and users of the copying machine
should be made aware of the capabilities of the
machine.
1. OPC
The sensitivity of the OPC used for the photo-
sensitive drum is subject to the environment in
which the machine is used and changes over
time.
2. Reflectance of Toner
The ideal toners, representing the primary col-
ors (yellow, magenta, and cyan), should absorb
100 percent of the spectrum of their complemen-
tary colors and reflect 100 percent of the rest.
Such toners, however, are not available at pre-
sent.
.
3. Dry Electrostatic Photography and
Gradation
As shown in Figure 2-301, it is impossible to
reproduce the density of the original document
exactly the same because of the characteristics of
photosensitive material and toner.
The powder toner, further, limits the details of
the image to the diameter of its individual ‘parti-
cles.
0.5
1.0
Document denslty (Do)
Figure 2-301
These limitations, however, have been solved
to a point where they will not present appreciable
problems by controlling the image processing by
the scanner unit.
2-l 2 COPYRIGHT
8 1997 CANON INC. CANON
CLClMJtl REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

- 1. GENERAL DESCRIPTION
II. SPECIFICATIONS
A. Type
Console
Copyboard
I
Fixed
Light source
Lens
Halogen lamp
Lens array
Image reading
Photocells (BGR; 3-line CCD); CCD fixed, mirror scanning
Photosensitive medium OPC drum (60 dia.)
.
Table l-201
B. Mechanisms
Copying
Charging
Exposure
Contrast adjustment
Development
Toner supply
Pick-up
Retention
Transfer
Separation
Drum Cleaning
Fixing
indirect electrostatographic
Corona
Laser beam
Automatic
Toner projection (brush); development in Y, M, C, and Bk
Manual (750 g of Y, M, and C; 640 g of Bk)
2 front cassettes (special), paper deck, multifeeder
Static retention (concurrent with Y transfer)
Blade (transfer belt)
Static
Blade
Heat roller (700 W, upper; 500 W, lower)
Table l-202
l-2 COPYRIGHT
Q 1997 CANON INC. CANON
CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

1. GENERAL DESCRIPTION -
C. Performance
Type of original
Maximum original size
Reproduction ratio
Wait time (at 20°C)
Sheet, 3-D object (2 kg max.)
11 “xl 7” (279 mm x 432 mm)
Direct (*0.5%), default (*l .O%; Table l-201). Zoom between 25% and 400%
(*I .O%, in 1% increments), XY independent Zoom, AMS, XY-AMS, Zoom
program
8 min or less
First copy time (A4/LTR)
Continuous copying
Copying speed
15.5 set or less (plain paper, AULTR)
19 set or less (Extra thick paper/transparency, AULTR)
18 set or less (Thick paper, AULTR)
Up to 999 copies
See Table l-207.
1
Cassette Max.: 1 l”x17” (279 mm x 432 mm)
Min.: STMT (216 mm x 139.5 mm)
Copy size
(copy paper Max.: 297 mm x 432 mm
size)
Multifeeder Min.: Postcard (special)
Paper deck LTR (279 mm x 216 mm)
Cassette Plain paper
(60 to 105 g/m2), transparency (special), Thin paper (64 to 79 g/m*)
Thin paper (64 to 79 S/m2), plain paper (80 to 105 g/m2), thick paper (106 to
Multifeeder 163
g/m2; including cast coated paper, postcard), extra thick paper (164 to
COPY paper 209
g/m2; including cast coated paper, postcard), special papers 1 and 2,
type transparency (special)
Paper deck
Plain paper (80 to 105 g/m2), transparency (special)
Two-sided copying
Plain paper (105 g/m2; automatic two-sided/manual two-sided)
Cassette Clawless, center reference, about 500 sheets of 81.4
g/m2
Multifeeder about 250 sheets of 81.4
g/m2
Paper deck
410 mm (stacking height; about 4000 sheets of 81.4 g/m2 paper)
Copy tray capacity 250 sheets (approx.)
One-sided Two-sided
Image margin
Leading edge: 2.5 mm k1.5 mm Leading edge: 2.5 mm
k2.0 mm
Left/right: 2.0 mm *l .O mm Left/right: 2.0 mm
kl.5 mm
Trailing edge: 2.5 mm k1.5 mm Trailing edge: 2.5 mm
52.0 mm
One-sided Two-sided
Leading edge: 2.5 mm kl.5 mm Leading edge: 2.5 mm
i2.0 mm
Non-image width
(0.5 kO.5 mm in full image mode) (0.5 iO.5 mm in full image mode)
Left/right: 2.0 mm il .O mm Left/right: 2.0 mm
*I .5 mm
(0 *l .O mm in full image mode) (0
kl .O mm in full image mode)
Trailing edge: 2.5 mm %1.5 mm Trailing edge: 2.5 mm k2.0 mm
Wain scanning direction 400 dpi
Sub scanning direction
400 lpi
COPYRIGHT Q 1997 CANON INC.
CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Table l-203
1-3

-
- 1. GENERAL DESCRIPTION
Density adjustment Manual (9 steps), color AE, BE
Color mode ACS, black, full-color
Color adjustment Color balance, registration, hue/brightness adjustment, density range
adjustment
Original mode Text/printed photo, text/halide photo, text, printed photo, halide photo, map
Original detection Size, position
Cassette selection Auto paper selection, auto cassette change
Separation Page separation, free division, enlargement separation, reduced page
composition (w/ RDF), two-sided separation (w/ RDF)
,
Auto two-sided copying One-sided to two-sided, two-sided to two-sided (w/ RDF), two-sided to
one-sided (w/ RDF), page separation two-sided
Binding margin Provided (right/left binding; margin adjustment)
Frame erasing
Original, book, sheet
Shift
Center, corner, selection
Transparency interleaf
Provided
One-touch adjustment
Provided
Interrupt Provided
ID mode Provided
Auto start
Provided
Auto clear Provided
(Pmin standard; may be changed or disabled in user mode)
Auto power-off
Provided (2-hr standard; may be varied or disabled in user mode)
Pre-heating
Provided
Area selection/non-rectangular area selection
Provided (w/ ED Board Al)
Freehand selection Provided (w/ editor)
Composition
Provided (w/ ED Board Al)
Image create Provided (some functions w/ ED Board Al)
Color create Provided (some functions w/ ED Board Al)
Specifications settings
Provided
Standard mode change Memory/Initialization
Mode memory 9 modes; 3 in full set, 6 in non-area
Timer Auto clear time, auto power-off time
Density correction
Provided
Jser Auto gradation correction
Provided
node
Background level adjustment
Provided
Text/photo level
Adjustment of text/photo separation (7 steps)
Zoom fine adjustment
Provided
Cleaning
Provided
Transparency holder memory
Provided
Thin paper source memory
Provided
Table l-203
1-4
COPYRIGHT Q 1997 CANON INC.
CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)