Canon PC300 User manual

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INTRODUCTION
This Service Manual contains fundamental facts and figures about the plain paper copier
PC300/320/325/FC210/230, and is intended as a reference for service work.
For a quick comparison of the models, see the table that follows.
Model Manual feed | Multifeed
PC320/325/FC230 No Yes
The manual consists of the following:
In CHAPTER 1, “GENERAL DESCRIPTION,” a brief discussion of the copier’s features,
diagrams of its parts, 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,
durables, and consumables.
In addition to the above chapters, this 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. ee
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 © 1994 CANON INC. CANON: PC300'320/225, FC210290 REV.O JULY 1904 PRINTED IN JAPAN (MPRIME AU JAPON)

RSS SESS
I. FEATURES... cssessesssssseceeensnens 1-1 ul. NAMES.OF PARTS
ll. SPECIFICATIONS... we 1-2 IV. OPERATION
I. BASIC OPERATIONS ...........:0000 3-1 V. POWER SUPPLY .........ececesseserees 3-43
ll. EXPOSURE/COPYBOARD Vi. STANDARDS AND
DRIVE SYSTEM........sccssssseessssees 3-10 ADJUSTMENTS. ......ccsssesssssneeeenses 3-45
lll. IMAGE FORMATION SYSTEM... 3-15 VIL SELF DIAGNOSIS.........cccecceseees 3-49
IV. PICK-UP/FEEDING SYSTEM... 3-31
I. EXTERNALS .........sccscssssseeeeenenes 41 V. CHARGING, DEVELOPING,
ll. DRIVE SYSTEM......... we 45 AND CLEANING SYSTEMS ....... 4-10
ill. FEEDING SYSTEM....... w- 4-6 VI. FIXING SYSTEM... c.csscsscseeessnee 4-13
IV. EXPOSURE SYSTEM..........00 4-9 - VIL. ELECTRICAL SYSTEM............4 4-16
|. SELECTING THE SITE.............. 5-1 I. RELOCATING THE MACHINE... 5-5
ll. UNPACKING AND ;
INSTALLATION...........:sscseseseseeees 5-2
COPYRIGHT © 1994 CANON INC. CANON PC300320/825, F0210'200 REVO JULY 1904 PRINTED IN JAPAN (MPRIME AU JAPON)

CHAPTER 6 MAINTENANCE AND SERVICING
PERIODICALLY
REPLACED PARTG...........ss:0008 6-1
DURABLE .....cseseseessssstsessseserarees 6-1
90 w>
m
GENERAL TIMING CHART ........ A-1
SIGNALS/ABBREVIATIONS
LIST. sc sessosiusnsssrsgunceaodeveccecscevaccsorcs A-3
GENERAL CIRCUIT DAIGRAM.. A-5
DC CONTROLLER/DC POWER
SUPPLY PCB CIRCUIT
DIAGRAM. .......ccessssecessesescesssereees A-7
CONTROL PANEL CIRCUIT
DIAGRAM. ........ssscesessssessesersesssaee A-15
COPYRIGHT © 1994 CANON IKC.
DELIVERY DETECTION PCB
CIRCUIT DIAGRAM..............c000 A-17
COPYBOARD POSITION
DETECTION PCB CIRCUIT
MOTOR ROTATION DETECTION
PCB CIRCUIT DIAGRAM............
SPECIAL TOOLS TABLE...
SOLVENTS/OILS TABLE
CANON PC300/820/325, FC210/290 REV. JULY 1904 PRINTED IN JAPAN (MPRIME AU JAPON}

a
|
CHAPTER 1
GENERAL
DESCRIPTION
1.
FEATURES...
cccccccccsccecsapeeseeneoesee
1-1
Mt.
NAMES.
OF
PARTS
.....sccssscreseeeeee
1-4
I.
SPECIFICATIONS.
..........-+-scseesee0e
1-2
IV.
OPERATION.
..c.c..cccsecseseeeteeseeees
1-6
COPYRIGHT
©
1904
CANON
INC.
CANON
PCgong20%25,
F210290
REVO
JULY
1904
PRINTED
IN
JAPAN
(IMPRIME
AU
JAPON)

¥
«GENERAL DESCRIPTIO
1. Direct charging.
The
charging
roller
directly
charges
paper,
significantly
reducing
ozone
emission.
2. Auto power-off.
The
copier
shuts
off
automatically
when
left
alone
for
about
5
minutes
after
the
last
copy
operation.
3. Quick start.
The
copier's
wait
time
is
0
second,
always
ready
for
quick
copying
work.
4, Cariridge type.
The
core
of
the
copier
(photosensitive
drum,
toner
case,
charging
roller,
developing
assem-
bly,
and
cleaning
assembly)
is
integrated
into
a
single
cartridge.
The
user
need
no
more
than
replace
the
cartridge
and
perform
simple
cleaning
to
maintain
the
copier
in
top
condition.
5. Variety of copy effecis.
In
addition
to
black
toner,
the
user
has
a
choice
of
several
colors.
Taking
advantage
of
overlay
copying,
various
copy
effects
may
be
obtained
through
mere
replacement
of
the
car-
tridge.
6. Compact and light.
The
copier
is
compact
and
light,
providing
good
portability.
It
can
easily
substitute
as
a
per-
sonal copier.
7. Multifeeding (PC320/325/FC230).
A
stack
of
copy
paper
may
be
placed
on
the
pick-up
tray.
A
press
on
the
Copy
Start
key
is
all
it
takes
to
generate
multiple
copies.
COPYRIGHT
©
1964
CANON
INC.
CANON
Pcs00a20i%25,FC210290
REV.O
JULY
1904
PRINTED
IN
JAPAN
(IMPRINE
AU
JAPON)
1-1

GENERAL DESCRIPTION :
HN.
SPECIFICATIONS
PC300/FC210
PC320/325/FC230
Body
{Portable
(w/
grips)
és
Copyboard
|
Moving
=|
Light
source
{Tungsten
lamp
of
fuse
type
Lens Lens array
_|
Photosensitive
medium
OPC
(24
dia.)
Copying
Indirect
electrostatic
[Charging
Roller
(direct
charging)
Exposure
Slit
(moving
copyboard)
&
|
Copy
density
adjustment
|
Manual
[Automatic
(AE)
or
Manual
z
Development
Dry
Pick-up
Manual
tray
Multifeeder
Separation
Curvature
+
Static
eliminator
Cleaning
|
Blade
Fixing
Plane
heater
Document
type
Sheet,
Book,
3-D
o
Maximum
document
size
|
LTR/A4;
LGL*
Reproduction
ratio
1:1
(41.2%)
Wait
time
0
sec
(approx.;
at
20°C/68°F)
Continuous
copying
Not
available
1
to
9
copies
or
F
Copying
speed
4
copies/min
(approx.;
A4R/LTR-R
|
4
copies/min
(A4R/LTR-R
or
or
smaller) smaller)
3
copies/min
(LGL)
bject (2 kg/4.4 Ib max.)
8
|
Copy
size
~
|
A4/LTR;
LGL*
max.;
postcard
min,
oO
E
|
Copy
paper
type
~
[50
to
128
g/m2,
Tracing
paper,
Colored
paper,
OHP
film,
Postcard
-
(vertical),
Labels,
Wrapping
paper
(63
g/m?)
©
|
Two-sided
copying
»
Same
edge
orientation.
»
Paper
of
60
to
128
g/m2.
*
Copying
on
each
side
no
more
{_
than
twice.
Overlay
copying
»
Paper
of
60
to
128
g/m2.
*
Copying
on
each
side
no
more
than
three
times.
Multifeeder
tray
5mm
deep
(about
50
sheets
of
A4,
80
g/m?
[ee
_|
no
)
Copy
tray
i
9
copies
(approx.;
A4/LTR,
80
g/m?)
Non-image
width
2mm
(leading
edge)
A4:
0
mm
(left/right)
LT
R/LGL:
2
mm
(left/right)
Auto power-off
*PC325 only.
Available (5 min, approx.)
1-2
COPYRIGHT
©
1994
CANON
INC.
CANON
PC300/3207326,
FC210230
REV.O
JULY
1994
PRINTED
IN
JAPAN
(MPRIME
AU
JAPON)

115V, 60Hz
Power
supply
220/240V, 50Hz
Standby
Standby
Dimensions | Depth
Height
Ozone
¢ GENERAL DESCRIPTIO:
NCW XXxXXx (PC300)
NDG XXXXxX (PC300)
NTT XXXxXx (PC300)
NCX XXXXX (PC320)
NDH XXXxXx (PC320)
NTU XXXXX (PC320)
NGY XXXxxX (PC325)
NDJ XXXXX (PC325)
NTV XXxXXX (PC325)
UTF XXXXxX (FC230)
PTD XXXxXX (FC210)
RTC XXXXX (FC210)
RTE XXXXX (FC210)
UTE XXXxXX (FC210)
0.6 kW or less
0.1 W (approx.; 5 min; reference only)
Continuous 0.2 kWh (reference only)
Copying 71 dB Sound power level
ee
0.01 ppm or less (average over 8 hr)
14.1 in./359 mm
15.7 in./398:mm 15.6 in./397 mm
4.1 in./104 mm
Weight (excluding cartridge)
Cartridge
16.6 Ib/7.5 kg (approx.); for PC325, 17.2 Ib/7.8 kg (approx.)
Copy paper Keep wrapped to protect against humidity.
Consumables
See CHAPTER 6. .
Specifications subject to change without notice.
COPYRIGHT © 41994 1995 CANON INC.
CANON PC300220/025, FC210230 REV.1 FEB.1995 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-3

00 GENERAL DESCRIPTION eG
lil. NAMES OF PARTS
A. Exterior View
(PC320/325/FC230) (PC300/FC210)
@ ®
® © © C)
Copyboard cover ® Delivery assembly cover
Copyboard glass open/close button
Pick-up tray © Delivery assembly cover
Open/Close button @ Copy tray
Figure 1-1
@ Upper cover
@ Pick-up guide
@ Density correction switch
@ Power switch
® Cartridge
Figure 1-2
1-4 COPYRIGHT © 1904 CANONINC. CANON PC300320/225, F0210/230:REV.0 JULY 1994 PRINTED IN JAPAN (IMPRIME AU JAPON)

GENERAL DESCRIPTIO!
(PC300/FC210)
® ®O ®
@ Copyboard cover @ Pick-up tray
@ Copyboard glass @ Transfer charging roller
@ Cleaning assembly @ Photosensitive drum
@ Primary charging roller @ Fixing assembly
® Scanning lamp @ Delivery roller
© Lens array @® Delivery tray
@ Developing cylinder @® Heat exhaust fan
Registration roller @ Delivery assembly cover open/close button
@ Pick-up roller
Figure 1-3
COPYRIGHT
©
1994
CANON
INC.
CANON
PC300/220/325,
FC210'230
REV.0
JULY
1904
PRINTED
IN
JAPAN
(IMPRIME
AU
JAPON)
1-5

Ss GENERAL DESCRIPTION :
IV. OPERATION
A. Control Panel
4 4Darken
4. PC320/325/FC230
@
|
dix ®
<4 | || |
Lighten |Darken if
@ @™©
®O
Figure 1-4A
Density Control Dial
AE key
¢ Press it to select/deselect AE (auto-
matic exposure) mode.
@® AE Indicator
e ‘A’ goes ON when AE mode is select-
ed.
« ‘A’ goes OFF when AE mode is dese-
lected.
@ Jam Indicator
¢ Flashes when paper jams inside the
copier.
© Copy Count Indicator
* Displays the number of copies entered
by pressing the Copy Count Set key.
* The count decreases for each copy
made; the initial number is displayed
after the last copy has been made.
¢ ‘P’ is displayed to indicate pick-up fail-
ure or absence of paper; ‘E’ is dis-
played in response to an error found
by self diagnosis.
© Copy Count Set Key
* Each press on the key increases the
copy count (up to 9).
¢ A press while ‘9’ is displayed causes
‘F’ to appear, indicating all sheets on
the pick-up tray will be used for contin-
uous copying.
(SIS)
COPYRIGHT © 1904 CANON INC.
71
= V yLighten
\_
(right view)
@ Clear/Stop Key
¢ During continuous copying, the key
serves as a Copy Stop key; the opera-
tion stops after finishing the ongoing
copy.
* During standby, the key serves as a
Clear key, setting the copy count to ‘1’.
Copy Start Key
@ Power Switch
@ Density Correction Switch
* Switches copy density among three
settings (top for darker, bottom for
lighter).
»* The density is switched by varying the
developing bias.
CANON PC300/320/925, FC210/280 REV.0 JULY 1994.PRINTED IN JAPAN {MPRIME AU JAPON)

)
2. PC300/FE210
GENERAL DESCRIPTION See
(a.
®
| O
®
Lighten|Darken
® ©@®
Figure 1-4B (right view)
Copy Density Indicator
Density Control Lever
Jam Indicator
* Flashes when paper jams inside the
copier.
¢ Goes and remains ON when an error
(self diagnosis) occurs in the copier.
Main Indicator
* Remains ON when copying is ready.
Power Switch
©80
© ®
COPYRIGHT © 1984 CANON INC. CANON PC300'320/325, FC210/290 REV.O JULY 1994 PRINTED IN JAPAN (MPRIME AU JAPON)
1-7

GENERAL DESCRIPTIO!
©. Making Copies
1) Switch the copier ON.
¢ If necessary, wait until the intensity of
the scanning lamp reaches the speci-
fied value.
* The wait time is about 0 second.
¢ The copier will shut itself off in about 5
minutes if left alone without key opera-
tion.
2) Lift the copyboard cover, and place a
document face down, along the size
index.
¢ Place the document so that its center
is at on the size index (Figure 1-5);
then, close the copyboard cover.
Size index
Figure 1-5
3) Adjust the copy density to suit the docu-
ment.
4) Slide the pick-up guide to suit the size of
copy paper.
5) Set copy paper on the pick-up tray.
1-8 COPYRIGHT © 1994 CANON INC.
B PC320/325/FC230
Place a stack of copy paper of a size
Suited to the document on the pick-up tray;
make sure the edges of the sheets are flush.
* The stack may be 5 mm (about 50
sheets of plain paper).
Copy paper
Figure 1-6
6) Set the copy count.
H PC320/325/FC230
Set the number of copies to make (1 to 9
or F) using the + key, and check the Copy
Count indicator.
7) Press the Copy Start key.
@ PC320/325/FC230
¢ To stop continuous copying, press the
Clear/Stop key; the copier finishes the
Ongoing copy and stops. The copy
count displays the initial count.
CANON PC300920/925, FC210/230 REVO JULY 1994 PRINTED IN JAPAN (IMPRIME AU JAPON)

« GENERAL DESCRIPTIO
Copying on OHP Film Manual Feeding
* Set one sheet of film on the pick-up
tray for each copy. mH PC300/FC210
¢ Depending on the environment of the 1) Set a document on the copyboard.
site, a press on the Copy Start key 2) Adjust the Density Control! lever to suit
may not pull the film inside the copier; the. document.
if this is the case, perform the follow- 3) Slide the pick-up guide to suit the size of
ing: copy paper.
4) Insert copy paper along the pick-up
1) Place copy paper under the film; stagger guide.
the sheet and film so that the leading * The copier starts copying operation
edge of the film is about 1 cm behind automatically as soon as it detects
that of the paper. paper.
« To continue copying, insert the next
paper when the copyboard starts to
OHP
tom
i return.
Making Two-Sided Copies
1) Turn over the copy while maintaining its
feeding direction.
a * Make sure that the paper is not moist
Copy paper or curled.
« Use paper of 60 to 128 g/m? when
making two-sided copies.
* Do not process each side more than
twice.
Figure 1-7
2) Hold the trailing edge of the copy paper,
and set the sheet and film on the pick-up
tray.
3) While holding the trailing edge of the
copy paper, press the Copy Start key.
Remove the paper when the film begins
to move into the copier; the paper will no
longer serve its purpose.
Figure 1-9
Making Overlay Copies
You can make two- or three-colored
copies by replacing the cartridge.
« Use paper of 60 to 128 g/m? when
making overlay copies.
* Do not process each side more than
three times.
Figure 1-8
Note:
Take away each OHP film delivered to
the copy tray.
COPYRIGHT © 1994 CANON INC. CANON PC3001320/925, FC210/230 REV.0 JULY 1994 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-9

GENERAL DESCRIPTION
©. Jam Indicator
The Jam indicator starts to flash when
paper jams inside the copier.
* Take care not to tear the paper when
removing it; otherwise, be sure to
remove all pieces of paper.
1) Move the copyboard to the left until it
stops.
2) Press the open/close button, and open
the top cover.
3) Remove the jam.
* If the jam is in the pick-up or fixing
assembly, hold the edge of the paper
with both hands, and pull it out slowly
through the opening of the top cover.
° If the jam is in the delivery assembly,
press the delivery assembly
open/close button to open the delivery
cover; then, detach the paper from the
delivery cover, and pull it slowly in the
direction of delivery.
4) Close the top cover and delivery cover;
then, move the copyboard to the center.
* To resume copying, switch the copier
ON, set the desired copy count, and
set the copy density.
{. Add Paper Indicator
M@ PC320/325/FC230
‘P’ flashes if you try to make a copy
when the pick-up tray has run out of paper.
1) Check the pick-up tray for copy paper.
2) Ifo paper is on the tray, place paper.
If a stack of paper is on the tray, remove
it first, then place it back after putting its
edges flush.
3) Press the Copy Start key.
* ‘P’ goes OFF, and the remaining num-
ber of.copies are made.
1-10 COPYRIGHT © 1094 CANON INC.
=. Replacing the Cartridge
i. Time to Replace the Cartridge
When the cartridge is running out of
toner, copies tend to show white lines or ver-
tical white spots (Figure 1-10).
Preface
‘anon copier.
hod of use. It
se read this me
‘ith its capabilit
ng this manua
Thank you for ; ure.
copier, its fuaclons
to ensure sale: pes
in order to fanv.iari.
functions. Ait: yo
ACAUTIO:”:
In this mann’ 70% AGES with this
procedure ac: It in personal in
Figure 1-10
If white lines or spots appear on copies,
replace the cartridge as follows:
1) Remove the cartridge from the copier,
and rotate it several times as shown in
Figure 1-11.
Figure 1-11
CANON PC300320/925, FC210/230 REVO JULY 1994 PRINTED IN JAPAN (MPRIME AU JAPON}

ENERAL DESCRIPTIO
2) Set the cartridge back in the copier, and 5) Hold the cartridge with its Warning label
make a copy. facing the left, and insert it in the copier
a. If the output returns to normal, with care until it butts against the rear.
* The cartridge may be used further;
advise the user, however, to obtain a
Spare cartridge.
b. If the output fails to return to normal,
° Replace the cartridge as described
below.
2. Replacing the Cartridge
1) Move the copyboard to the left until it
stops; then, press the open/close button
to open the top cover.
2) Slide the cartridge out of the copier.
3) Hold the cartridge with the Warning label
facing up, and rotate it about 90 degrees Figure 1-14
efit in both directions.
| 6) Close the top cover, and return the copy-
“~ board to the center.
Note:
You can replace the black toner cartridge
with any color cartridge the same way.
Figure 1-12
-) 4) Detach the tip of the seal attached to the
4 cartridge, and pull it straight out to the
front; about 50 cm.
Figure 1-13
COPYRIGHT © 1904 CANON INC. CANON PC300/3200%25, FC210/290.REV.0 JULY 1904 ‘PRINTED IN JAPAN (IMPRIME AU JAPON) 1-11

GENERAL DESCRIPTION
Changing the Density
BM PC320/325/FC230
You have a choice of three settings for
automatic density adjustment mode (AE);
switch the density if the copy is too dark or
too light.
Figure 1-16
3) Open the upper cover, and remove the
cartridge.
4) Put a flat-tipped cotton wad in the lens
: . : array (rear) groove, and move it back
Density correction switch and forth.
Figure 1-15
Note:
You can also switch the density among
three settings in manual density adjust-
ment mode.
3. Cleaning
Advise the user to clean the following if
the copies are soiled.
1. Copyboard Glass/GCopyboard Cover
Wipe the part with a moist cloth; then,
dry wipe it.
lf dirt cannot be removed, wipe the part
using mild detergent; then, dry wipe it.
Figure 1-17
2. Lens Array
1) Move the copyboard to the left until it
stops.
2) Put .a cotton wad in the lens array
groove, and move it back and forth light-
ly.
1-12 COPYRIGHT © 1994 CANONINC. CANON PC300320325, FC210290.REV.0 JULY 1994 PRINTED IN JAPAN (IMPRIME AU JAPON)

&. Pick-Up Roller
1) Open the top cover.
2) Dry wipe the pick-up roller while rotating
it in pick-up direction with a cloth.
Note: :
Do not make copies until the pick-up
roller has completely dried.
Figure 1-18
GENERAL DESCRIPTION
*. When Not Using the Copier
for a Long Time
Advise the user to perform the following
if she/he does not have any plan to use the
copier for a long time. :
1) Disconnect the power plug.
2) Place the copier in a dust-free, sunlight-
free place.
COPYRIGHT © 1994 CANON INC, CANON PC300320925, F0210/290 REV.O JULY 1994 PRINTED IN JAPAN (IMPRINE AU JAPON) 1-13

“CHAPTER2.
COPYING
PROCESS
_
7