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 rylan on May 3rd, 2013
Paper Drawer Jammed And Will Not Open Fully
while opening the paper drawer a sound like plastic breaking was heard and now the drawer will only open about an inch
Current Answers
Related Canon PC720 Manual Pages
Service Manual - Page 3
... Manual contains the basic facts and figures about the plain paper copier PC720/740/750/770, and is compiled to serve as a... This Service Manual consists of the following respects:
Model
PC720 PC740 PC750 PC770
Singlefeeding (manual)
- - CHAPTER 5 "INSTALLATION" gives step-by-step instructions for installing the copier together with the information contained in the field.
CHAPTER ...
Service Manual - Page 9
... of sizes between 70% and 141% may be opened to make jam removal easy. Separate top unit. • The copier's top unit may be replaced with considerations for ease...blue, green, brown);
Cassette accommodating various types of paper and 2-way pick-up. • The universal cassette (about 250 sheets) accommodates paper of ozone; Integrated cartridge for the environment. •...
Service Manual - Page 19
... copy run is left alone for removal of the jam.)
g. e.
b. A4/LTR
B5►A5/STMT
4 ► A5 (AB/Inch- When you may set more than one is opened for about 5 min without further key operation, automatically turning off mechanism becomes activated if the copier is finished before the next one transparency on the...
Service Manual - Page 23
Be sure to the following :
C) Open the right door, and check if
there is copy paper. If there is paper in the cassette, go off, and
the copier will make the remaining number of paper, set in . Remove it has torn.
1) Check the multifeeder for a jam. C) Make sure that the cassette is out of copies. CI The...
Service Manual - Page 26
...-up roller has dried completely. If Images Are Soiled a. If the dirt cannot be soiled or copy paper tends to jam frequently, advise the user to open the
body. 2) Change the position of pick-up the open/close lever to clean the following parts:
1. Lighte Darker
Figure 1-420
Caution: Do not make copies until...
Service Manual - Page 36
..., the copier applies a positive voltage to the separation static eliminator to a specific temperature.
2 - 6
COPYRIGHT © 1994 CANON INC.
CANON PC720,740/750i770 REY.0 AUG.1994 PRINTEDIN JAPAN DIARIME AU JAPON)
The fixing heater is fixed to the film-this design eliminates the need for warm-up time.
Pressure roller
Copy paper
Figure 2-113...
Service Manual - Page 42
...Pre-registration roller paper
detection • Delivery paper detection • Film displacement detection • Cartridge color detection • Cassette detection • Singlefeeder pick-up
detection (PC720/740)
Q101...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 ...
Service Manual - Page 68
... descriptions for the function and output timing of a jam. Cleaning Bias
The copier uses a direct charging method, and could allow adhesion of toner to the transfer
bias of the following three types; c.
CANON PC720/74000770 REV.O AUG.1994 PRINTED IN JAPAN pmpFeat AU JAPAN) Outline The copier uses a direct transfer method
with a roller. b.
To...
Service Manual - Page 76
...
Figure 3-401a (PC720/740)
PS7 Singlefeeder pick-up roller
Cassette pick-up system consists of copy paper. CANON PC7N740790/170 REV.OAUG.1994 PRINTEDIN JAPAN ompFumt AU JAPON)
PICK-UP/FEEDING SYSTEM
A.
Copy paper from the cassette or the multifeeder is moved while centered along the pick-up/feeding path; The copier is discharged...
Service Manual - Page 78
The PC720/740's pick-up roller consists
of the two at a time.
2. The drive to either of a cassette pick-up roller and a ...The PC750/770's pick-up roller consists of the main motor (M1) to be transmitted to control the copy paper so that it matches the leading edge of the copier's pick-up
roller differs depending on , the pawl moves away from the control ring, thereby allowing the drive ...
Service Manual - Page 91
...PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN)
3 - 51 Ik!;,,,
,",-i./
011111111111M1,MII
IM0PERATI0NS AND TIMING
5. Checking for Overheating at the End of the Fixing Heater The rear end of the copier... the fixing heater error signal (HTNG). The auxiliary power supply in areas where paper does not come into contact while copies are made continuously on . when the power...
Service Manual - Page 95
... the remaining number of copies to make or the copy mode effective at time of a jam so that it will be reset to standard mode when you open the copier to remove jams. The microprocessor has the following five 'no paper/jam' detection sequences, and it is moving normally.
• registration sensor (Q751) • delivery sensor...
Service Manual - Page 96
CANON PC720/74017501/70 REV.O AUG.1994 PRINTEDIN JAPAN (MPRIME AU JAPON)
IMMA OPERATIONS AND TIMING
Copy Start key ON
STBY
INTR
SCFW
Pick-up clutch solenoid (SL1) Jam check Registration sensor (Q751) Main motor (M1)
2.1 sec No paper 1.5 sec
Figure 3-422 (no paper)
Copy Start key ON
STBY
INTR
SCFW
Pick-up clutch solenoid...
Service Manual - Page 98
... because of
a feeding problem, the copier identifies a delivery stationary jam, stops copying operation, and flashes the Jam message. Delivery Delay Jam If copy paper does not reach the delivery sensor within a specific period of time because of
a feeding problem, the copier identifies a delivery delay jam, stops copying operation, and flashes the Jam message.
Copy Start key
ON
81...
Service Manual - Page 117
....
•
1. Removing the Upper Cover
1) Remove the copyboard cover.
•
2) Open the copier's top unit.
0
0
3) Remove the two screws 3, and remove
the front upper cover...cover
• Multifeeder/singlefeeder cover
Figure 4-102
Figure 4-103
COPYRIGHT © 1994 CANON INC.
CANON PC720/7401150/770 REVD AUG.1994 PRINTED IN JAPAN pmPRiut AU JAPAN)
4 - 1 EXTERNALS
A. External ...
Service Manual - Page 134
...switch, and
select multifeeder mode; Removing the Pick-Up Clutch (PC720/740)
1) Remove the top cover. (See "Removing the Top Cover.")
2) Open the copier's top unit, and fix it in position using the grip ... Figure 4-307 3) Remove the spring C).
2.
Removing Pick-Up Roller Unit.") 2) Remove the stop ring (plastic) C), and
pull out the pick-up gear unit has risen to lose the pin at the rear. then,...
Service Manual - Page 141
Removing the Delivery Roller 1) Open the copier's top unit.
e. 2) Remove the screw ®, and remove the noise filter PCB cover
4) Remove the delivery roller S. CANON PC720/740t7501770 REVS AUG.1994 PRINTEDIN JAPAN (IMPRIME AU JAPON)
4 - 25 MECHANICAL. O°.
0
Figure 4-340
Figure 4-338
3) Push the claws ®, and shift the delivery roller ...
Service Manual - Page 148
... lower fixing roller CO and the inlet guide ©. Figure 4-610
Figure 4-609
4 - 32
COPYRIGHT © 1994 CANON INC.
Removing the Delivery Roller' under "E. CANON PC720(7401750ITIO ROJO AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPAN) MECHANICAL SYSTEM
2. Removing the Lower Fixing Roller 1) Open the copier's top unit. 2) Remove the delivery roller.
(See "1.
Service Manual - Page 156
... count/ratio indicator indicates 'P', and the Add Paper message flashes. • Press the Copy Count...copier's top
f
unit to close.
12 Connect the power cord to the power cord connector.
--------1
------„, 0
13 Connect the power plug to make sure that the AE and DIRECT indicators turn on, outlet, and turn on a level surface, and peel the tip of the opening seal, and pull it fully...
Service Manual - Page 164
...or less
Table 6-402 Conditions (transportation)
B. After Opening
The photosensitive medium is kept in the copier, and its properties change rapidly; The cartridge also contains... Do not keep it inside a car for storage.
1. e.g., near refrigerators.
d. CANON PC720.74011501T1R0EV.0 AUG.1994 PRINTEDIN JAPAN (IMPRIME-AUJAPON) MAINTENANCE AND SERVICING
IV.
Storing after Removing ...
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