Canon PC720 Support Question
Canon PC720 Support Question
Find answers below for this question about Canon PC720.Need a Canon PC720 manual? We have 1 online manual for this item!
Question posted by merlesylevine on July 30th, 2012
How To Replace Toner Cartridge
The person who posted this question about this Canon product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Canon PC720 Manual Pages
Service Manual - Page 3
... copier PC720/740/750/770, and is compiled to serve as a handy reference for servicing the machine in this manual may be updated from each other for the following respects:
Model
PC720... Service Handbook, and Service Information Bulletins, for troubleshooting problems in the copier.
-Note: The contents of replacement parts and consumables. All service persons are expected to be issued as...
Service Manual - Page 9
... integrated, single entity-the user may simply replace the cartridge and perform simple cleaning work . • The photosensitive drum, toner, charging roller, developing assembly, and cleaning assembly are constructed as A4 to business card may be opened to ensure stable copy images.
5. Separate top unit. • The copier's top unit may be used (manual...
Service Manual - Page 12
...AUG. 1994 PRINTED IN JAPAN (MPRIME AU JAPAN)
about 5 min;
Consumables
Toner
Avoid direct sunshine; A4R
A4R
PC770 12 12 12 12 12 9 10
Table 1-101
Model ... Serial number
Maximum
Power consumption
Standby
Copying
0.9 kW or less 0.2 W (approx.; Others
Item
PC720
PC740
Temperature 7.5 to 32.5°C/45.5 to 90.5°F
Operating Humidity environment Atmospheric
pressure
5 to ...
Service Manual - Page 19
...; 1994 CANON INC. open the top unit. (The power turns off the power.
1.1 Using Transparencies (PC720/740) 1) Shift the delivery guide plate on the copyboard, and close the copyboard cover.
3) If you... 10- After copying operation is over, the
auto power-off mechanism becomes activated if the copier is left alone for about 5 min without further key operation, automatically turning off when the ...
Service Manual - Page 23
...for a jam. D. If there is a jam. C) Make sure that the cassette is copy paper. CANON PC720/T401759/770 REV.O AUG.1994 PRINTEDIN JAPANRout AU JAPONI
1 - 15
GENERAL DESCRIPTIONNM
C. Remove the paper if found...right cover, and check if there is properly set in the cassette, go off, and
the copier will make the remaining number of paper if it . To remove, pull the paper slowly out...
Service Manual - Page 24
... image fails to return to normal, • Replace the cartridge according to have white lines or white spots;
It ;e read this ME 'ith its tun 1.
A.1.•.
:anon copier. a. Replacing the Cartridge."
1 - 16
COPYRIGHT © 1994 CANONINC. CANON PC720840r/501770 REV.OAUG.1994 PRINTEDIN JAPAN0MPRIMEAU JAPON) hod of
toner, the copy image will tend to the instructions...
Service Manual - Page 33
... simultaneously with the AC bias, on the other hand, serves to directly charge the photosensitive drum (primary charging). CANON PC720/740/150M0 REV.O AUG.1994 PRINTED IN JAPAN pmplatt AU JAPON)
2 - 3
The copier uses its primary charging roller to maintain primary potential. COPYING PROCESS OM
C.
The primary charging roller is made of...
Service Manual - Page 36
... more or less at the center of special material so that melting toner will not stick to make sure that the heater is why the copier's fixing assembly does not have a cleaning mechanism. Separation (step 5)
H.
To prevent such a problem, the copier applies a positive voltage to the separation static eliminator to the paper while...
Service Manual - Page 38
AUXILIARY PROCESS
1. Side Blank Exposure Side blank exposure is used to prevent
adhesion of excess toner to the drum by removing the residual potential in the nonimage areas of the drum. IIIIIII COPYING PROCESS
II.
See p. 3-35 for details.
2 - 8
COPYRIGHT © 1994 CANON INC. CANON PC720/74017501770 REV.O AUG.1994 PAINTED IN JAPAN omPRimt AU JAPON)
Service Manual - Page 42
...Delivery paper detection • Film displacement detection • Cartridge color detection • Cassette detection • Singlefeeder pick-up
detection (PC720/740)
Q101
CPU +5V
+24V
4
Composite power
...motor
Figure 3-102
3- 2
COPYRIGHT © 1994 CANONINC. Electrical Circuitry
The copier's major electrical control mechanisms are driven by the microprocessor on the DC controller ...
Service Manual - Page 43
LJ- LJ-
J108-2 DIG3 -1 CDP
when color cartridge is detected, '1'. (when light-blocking plate is at Q753, '0')
-4 4+5V -3 RPD
when Q751 detects paper, '1'. (when light-blocking plate is ... at Q752, '0')
when surface temperature of fixing heater rises, voltage lowers.
OPERATIONS AND TIMING=
C. L_I- LT
sensor (PC720/740) PS 7
Cartridge color sensor
- sensor
PS 2
Delivery sensor
-
Service Manual - Page 63
... by the pulse signals generated by the oscillation/amplitude control circuit.
Switching the DC Bias Voltage Level The copier switches the level of the DC
bias voltage according to maintain the AC bias current constant.
The oscillation/...on the composite power supply PCB constantly monitors the DC voltage. CANON PC720/740/750/770 REV.O AUG.1994 PRINTED IN JAPAN omput AU JAPON)
3 - 23
Service Manual - Page 68
... the transfer efficiency, the copier corrects the level of each time the Copy Start key is moving from the photosensitive drum because of the following three types;
CANON PC720/74000770 REV.O AUG.1994...caused by changes in the environment or deterio-
To remove such toner, the copier applies a positive voltage at a specific timing to the transfer
bias of the transfer roller, ultimately...
Service Manual - Page 76
... roller
eliminator
Q751
Figure 3-401a (PC720/740)
PS7 Singlefeeder pick-up roller
Cassette pick-up /feeding path;
MOPERATIONS AND TIMING
IV. Outline
The copier uses center reference feeding, in which...tray.
No. CANON PC7N740790/170 REV.OAUG.1994 PRINTEDIN JAPAN ompFumt AU JAPON) The copier is controlled by the registration roller so that it is moved while centered along the...
Service Manual - Page 78
... up roller. Controlling the Pick-Up Roller
1. Outline The construction of a cassette pick-up roller and a singlefeeder pick-up solenoid (SL1). The PC720/740's pick-up roller consists
of the copier's pick-up solenoid turns on the photosensitive drum.
3 - 38
COPYRIGHT © 1994 CANON INC.
The registration roller, in turn, serves to...
Service Manual - Page 91
... sends the relay off signal (RLOFF*) to the auxiliary power supply about 5 min;
b. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN)
3 - 51 In multifeeder ...copies.
6. Should the temperature at the
end of the thermistor (TH1, TH2); Protection Mechanisms The copier is equipped with `E0', i.e., related to check for Overheating at the same time, indicates an ...
Service Manual - Page 156
INSTALLATION
Step
Work
9 Place the cartridge on the power switch.
Checks/remarks
11
Push the icon on the copier's top
f
unit to close.
12 Connect the power cord to the power...pull it fully out (about 50 cm).
10 Hold the cartridge with the warning label facing up, and insert the cartridge with care until it stops.
CANON PC720/740501170 REV.0 AUG. 1994 PRINTED IN JAPAN (IMPRIME AU ...
Service Manual - Page 163
... no part that must be replaced on a periodical basis.
COPYRIGHT © 1994 CANON INC. MAINTENANCE AND SERVICINGMI
PERIODICALLY REPLACED PARTS
The copier does not have a part classified as a durable or consumable part. DURABLES AND CONSUMABLES
The copier does not have a part to be serviced on a periodical basis.
CANON PC720/140R50M0 REU AUG.1994 PRINTEDIN JAPAN...
Service Manual - Page 164
...Do not keep it to the direct rays
of time. e.g., near refrigerators.
The cartridge also contains toner, and it . Avoid areas subjected to shocks or
drop it is too high ...in the copier, and its properties change rapidly; b. CANON PC720.74011501T1R0EV.0 AUG.1994 PRINTEDIN JAPAN (IMPRIME-AUJAPON) Keep the cartridge at the workshop or the like, make sure that the cartridge is kept...
Service Manual - Page 165
... of the photosensitive drum by residual memory on the copies as toner runs out, hold the cartridge level as 10,000 to even out the toner inside it with a flannel cloth coated with a light-blocking shutter. however, take all measures necessary to the copier
or if white spots appear on the drum; MAINTENANCE AND...
Similar Questions
Where Do Put The Toner For The Pc720 Copier
CAN YOU SEND DIAGRAM OF THIS MODEL AND WHERE TO ADD TONER
CAN YOU SEND DIAGRAM OF THIS MODEL AND WHERE TO ADD TONER
(Posted by JOHNDAY88 11 years ago)
How To Replace Toner Cartridge In A Canon Pc 920 Printer
(Posted by olivia13 12 years ago)
How Do I Place Replacementcanon Pc740 Toner Cartridge Into The Copier
(Posted by office94883 12 years ago)
Paper Jam Problem
I JUST REPLACED THE CARTRIDGE AND WHEN I TRY TO MAKE A COPY I GET THE SYMBOL THAT THERE IS A PAPER J...
I JUST REPLACED THE CARTRIDGE AND WHEN I TRY TO MAKE A COPY I GET THE SYMBOL THAT THERE IS A PAPER J...
(Posted by tomyun 12 years ago)