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 quiltpatty on May 8th, 2011
Paper Jam Reset
The paper jam is cleared but the machine still thinks there is paper there....is there a reset sensor or do I have to take it to a repair man?
Current Answers
Answer #1: Posted by mtrom777 on February 23rd, 2012 7:08 AM
mtrom777
Member since:
February 23rd, 2012 Points: 10
Member since:
February 23rd, 2012 Points: 10
http://www.fixya.com/support/t327384-canon_pc720_copier
the small spring at the left back must be unattached
Related Canon PC720 Manual Pages
Service Manual - Page 3
..., disassembly, reassembly, and adjustment. CHAPTER 5 "INSTALLATION" gives step-by-step instructions for servicing the machine in the copier.
-Note: The contents of this manual, Service Handbook, and Service Information Bulletins, for the following ...This Service Manual contains the basic facts and figures about the plain paper copier PC720/740/750/770, and is compiled to serve as to its...
Service Manual - Page 9
Fixed copyboard with zooming. • In addition to make jam removal easy. Integrated cartridge for the environment. • The use of existing machines)
3. COPYRIGHT @ 1994 CANON INC. Separate top unit. • The copier's top unit may be opened to the default reproduction ratios, a ratio between A4 and A5. • In addition, sheets as large...
Service Manual - Page 11
... to 80 g/m2), tracing paper (SM-1), colored paper
Copy paper type
Single manual feeding
Plain paper (52 to 128 g/m2), colored paper*, postcard*, label sheet*,
overlay
business card (200 g/m2 or less, 51X88 mm /20X35 in . deep (approx.; fixed)
*As recommended by Canon.
Performance
Item
PC720
PC740
PC750
PC770
Original type
Sheet, book, 3-D object (2 kg max...
Service Manual - Page 12
....;
A4R
A4R
PC770 12 12 12 12 12 9 10
Table 1-101
Model PC740/750
10 10 10 10 10 7 8
PC720 8 8 8 8 8 6 7
1- 4
COPYRIGHT © 1994 CANON INC. PC770 Serial number
Reproduction ratio
Size
Copy paper
DIRECT REDUCE ENLARGE
A4R
A4R
B5R
B5R
A5R
A5R
A4R -, A5R
A5R
II B5R -, A5R
A5R
I A5R A4R
A4R...
Service Manual - Page 19
...JAPON)
1 - 11 a. E lBm51"1.-
If paper jams, the JAM indicator will flash and copying operation stops; configuration...mechanism becomes activated if the copier is left alone for about... If you want using the Paper Select key. 7) Set the... off the power.
1.1 Using Transparencies (PC720/740) 1) Shift the delivery guide plate...follows for removal of the jam.)
g. b.
COPYRIGHT © 1994 CANON...
Service Manual - Page 23
... is properly set in the cassette, go off, and
the copier will make the remaining number of paper, set the stack back in the cassette. 2) If the cassette is copy paper. To remove, pull the paper slowly out of paper from inside the machine.
0 Remove the jam with care.
0
Figure 1-411
COPYRIGHT 1994 CANON INC. CDI Take...
Service Manual - Page 26
... pick-up roller
Separation pad
Figure 1-421
1 - 18
COPYRIGHT © 1994 CANON INC. CANON PC720/7408EORT0 REVS AUG. 1994 PRINTED IN JAPAN tIMPRIME AU JAPONI
Copyboard Glass/Copyboard Cover
Wipe it . Cassette... a cloth moistened with a moist cloth;
If the dirt cannot be soiled or copy paper tends to jam frequently, advise the user to wring it . Cleaning
If the images tend to be ...
Service Manual - Page 35
... transfer
roller to transfer toner from the surface of a jam or the like. Reference: Toner may collect on the transfer roller if the image on the photosensitive drum fails to transfer to the copy paper
because of the transfer drum to the copy paper. The copier uses a roller transfer system, which has the following...
Service Manual - Page 36
... and can wrap around the photosensitive drum. To prevent such a problem, the copier applies a positive voltage to the separation static eliminator to the paper while the copy paper moves through the fixing film and the pressure roller. MI COPYING PROCESS
G. CANON PC720,740/750i770 REY.0 AUG.1994 PRINTEDIN JAPAN DIARIME AU JAPON)
Pressure roller...
Service Manual - Page 42
DC controller PCB
Sensor
• Scanner home position detection
• Lens home position detection • Pre-registration roller paper
detection • Delivery paper detection • Film displacement detection • Cartridge color detection • Cassette detection • Singlefeeder pick-up
detection (PC720/740)
Q101
CPU +5V
+24V
4
Composite power
supply PCB
Q90O
H Scanning ...
Service Manual - Page 43
... light-blocking plate is at Q751, '0')
-6 DIG2
-5 -7
CPD
J102-1 TH1 -10
J117-1 TH2 -2
when paper is present in cassette, '0'. (when light-blocking plate is at PS4, '0')
J113-2 -1 -3
DIG2
SFPD when PS7 detects paper, '1;
LT
sensor (PC720/740) PS 7
Cartridge color sensor
-
PS 3
Fixing film
- otherwise, clock signals are generated.
Inputs to and Outputs from the...
Service Manual - Page 68
...PC720/74000770 REV.O AUG.1994 PRINTED IN JAPAN pmpFeat AU JAPAN)
see the descriptions for the function and output timing of transfer bias application.
To suppress the changes in the copy images caused by changes in the transfer efficiency, the copier...is moving from the photosensitive drum because of a jam. To remove such toner, the copier applies a positive voltage at a specific timing to ...
Service Manual - Page 76
... matches the leading edge of a single-cassette path or a multifeeder path. The copier is moved while centered along the pick-up roller
Holding plate
3 - 36
COPYRIGHT 1994 CANONINC.
Name
Remarks
PS3 Delivery paper sensor
Q751 Pre-registration roller paper sensor
PS7 Singlefeeder paper sensor PC720/740
DC controller PCB 0
CC--opyti
( PS3
Fixing assembly Cassette
Photosensitive drum...
Service Manual - Page 78
...) to be transmitted to rotate, copy paper is controlled by the gear unit, which changes the route of drive transmission; The PC720/740's pick-up roller. Outline The ...construction of a cassette pick-up roller and a multifeeder pick-up
roller differs depending on while the main motor is rotating. The PC750/770's pick-up roller consists of the copier...
Service Manual - Page 91
... is retained only
about 5 min or more , copying operation is indicated in areas where paper does not come into contact while copies are made continuously on the DC controller
PCB monitors the... is detected during copying operation, the copier once again will indicate `E000' through `E003' is indicated on the control panel, 'EU will be enabled. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED...
Service Manual - Page 95
... 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 (PS3) The presence/absence of copy paper or a jam is equipped with two copy paper sensors to the presence/absence of time, the copier identifies a jam, stops...
Service Manual - Page 96
...-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 (SL1) Jam check Registration sensor (Q751) Main motor (M1)
2.1 sec No paper
Jam 1.5 sec
Figure 3-423 (jam)
3 - 56
COPYRIGHT © 1994 CANON INC. CANON PC720/74017501/70 REV.O AUG...
Service Manual - Page 97
...has been picked up, the copier identifies a pick-up delay jam, stops copying operation, and flashes the Jam message. Copy paper inserted
STBY
INTR
SCFW
Singlefeeder paper sensor (PS7) Jam check Registration sensor (Q751) Main motor (M1)
2.1 sec
k Jam 1.5 sec
Figure 3-425 - Cassette/Singlefeeder Pick-Up Delay Jam a. Singlefeeder Pick-Up Delay Jam If copy paper does not reach the registration...
Service Manual - Page 98
CANON PC720/740R501770REV.OAUG.1994 PRINTEDIN JAPANDMPRIMEAUJAPON) SCFW
SCRV
SCFW
SCRV
SCFW
Jam check Delivery sensor (PS4) Main motor (WI)
4.3 sec
I. 4.3 sec II 4 Normal I
Figure 3-428
Jam sec
3 - 58
COPYRIGHT 1994 CANONINC. Delivery Stationary Jam If copy paper does not reach the delivery sensor within a specific period of time because of
a feeding problem, the copier ...
Service Manual - Page 156
...
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 cord connector.....
CANON PC720/740501170 REV.0 AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPON)
the copy count/ratio indicator indicates 'P', and the Add Paper message flashes. • Press the Copy Count/Zoom Set key and Clear/Stop key...
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