Canon PC740 Support Question
Canon PC740 Support Question
Find answers below for this question about Canon PC740.Need a Canon PC740 manual? We have 1 online manual for this item!
Question posted by phillipgregory on July 25th, 2011
Canon Pc740. Paper Jamb Message. All Clear Of Any Paper. Still Not Working.
I have a Canon PC740 photo copier. Always worked great. Suddenly now there is a paper jamb message. There is no paper anywhere. It turns on, goes through the process of about to copy, then it stops saying there is a paper jamb. Same if I manually feed the paper. I think I notice, it is harder to press down the top before it locks in position. Please help.
Current Answers
Related Canon PC740 Manual Pages
Service Manual - Page 3
...copier together with the generation of copies. a Service Information Bulletin will be updated from time to time to reflect improvements rendered to the copier;
CANON...PC720 PC740 PC750 PC770
Singlefeeding (manual)
- -
CHAPTER 2 "COPYING PROCESS" deals with the inner workings of the copier associated...basic facts and figures about the plain paper copier PC720/740/750/770, and is compiled ...
Service Manual - Page 9
... work to the copies. • The black toner cartridge may be given an extra finish.
7.
CANON PC7201740...paper of existing machines)
3. Fixed copyboard with a color toner cartridge (red, blue, green, brown); average of 0.01 ppm or less, maximum of 0.02 ppm or less. (1/100 to make jam removal easy. Extra touches to ensure stable copy images.
5. Separate top unit. • The copier...
Service Manual - Page 11
... DESCRIPTIONMI
3. deep (approx.; at 20°C/68°F)
Continuous copying 100 copies (max.)
Copying speed
See Tale 1-1. fixed)
*As recommended by Canon. Copy size
A4R/LGL (max.), business card (min.)
Cassette
Plain paper (64 to 80 g/m2), tracing paper (SM-1), colored paper
Copy paper type
Single manual feeding
Plain paper (52 to A5/STM (universal)
Multifeeder tray
5 mm /1.96...
Service Manual - Page 12
...) 0.4 kWh (approx.; keep at 40°C/85% or less.
about 5 min;
Consumables
Toner
Avoid direct sunshine; CANON PC7201740/750R70 REV.O AUG. 1994 PRINTED IN JAPAN (MPRIME AU JAPAN) 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...
Service Manual - Page 16
...
3 Ratio indicator
4 ZOOM indicator
5 Paper Select/ Add Paper indicator
6 Jam indicator 7 Copy Count/
Ratio indicator 8 Power switch 9 Copy Start key 10 Clear/Stop key
Description Use it to default".
*Default Mode Reproduction ratio: 100% Copy count: 1 Paper select: cassette Copy density: AE
Table 1-401a
1- 8
COPYRIGHT © 1994 CANON INC.
continuous copying)
Turns on when AE is...
Service Manual - Page 17
Selects a default reproduction ratio. Selects or deselects zoom mode.
May be between 70% and 141% in 1% increments.
CANON PC720/7401750/770 REV.O AUG.1994 PRINTED IN JAPAN EMPRIME AU JAPON)
1- 9 Name
11 Copy Count/ Zoom Set key
12 Paper Select key
13 Zoom Mode key 14 Default Ratio key
15 AE key
Description Sets...
Service Manual - Page 18
... Copy Count/Ratio indicator has turned off mechanism becomes activated to automatic density adjustment.
configuration)
r A5 Po- A5
(AB/Inch- a. CANON PC7207401750r/70 REV.O AUG.1994 PRINTED IN JAPAN (IMPRIME AU JAPAN) When you press the Zoom key, '%' appears on the Copy Count indicator.)
7) Press the Copy Start key. If copying stopped as you are using the Copy...
Service Manual - Page 19
... paper jams, the JAM indicator will flash and copying operation stops; A4/LTR
B5►A5/STMT
4 ► A5 (AB/Inch- To stop copying operation during continuous copying, press the Clear/Stop key;
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...
Service Manual - Page 20
...- If this is the case, go through the following:
1) Place copy paper underneath the transparency with the copy paper on the multifeeder while holding the trailing edge of the copy paper. 3) Press the Copy Start key while still holding the trailing edge of about 1 cm.
configuration
CANON PC12017401750M0 REV.0 AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPON) DIRECT...
Service Manual - Page 22
... 0 1994 CANON INC. Making Two-Sided/Overlay Copies You can make two-sided/overlay copies
using the multifeeder; O In the case of an overlay copy, only one
side may not be used. 0 After the first copy run, cool the paper
sufficiently and remove the curl before feeding it for the second copy run , turn over the copy paper and set...
Service Manual - Page 76
... to the copy tray. CANON PC7N740790/170 REV.OAUG.1994 PRINTEDIN JAPAN ompFumt AU JAPON)
Name
Remarks
PS3 Delivery paper sensor
Q751 Pre-registration roller paper sensor
PS7 Singlefeeder paper sensor PC720/... drum; No.
PICK-UP/FEEDING SYSTEM
A.
Outline
The copier uses center reference feeding, in which copy paper is equipped with three sensors to the transfer, separation, feeding...
Service Manual - Page 81
... arm, and multifeeder pick-up roller
Paper guide plate
Figure 3-404
COPYRIGHT © 1994 CANON INC. The cam gear is in turn controls the copy paper so that its leading edge matches the... with the cam gear starts to stop at the same time, lowers the paper guide plate. When the multifeeder pick-up roller
rotates, copy paper is con-
CANON PC120.740750i7i0 REV.O AUG.1994 PRINTED...
Service Manual - Page 95
... is checked in about 3 sec, and indicates the Add Paper message.
If the registration sensor detect copy paper within a specific
period of time, the copier identifies a jam, stops the main motor in reference to check the presence/absence of copy paper and whether it also identifies a jam if any of copy paper at the respective sensors at power-on.
1. Detecting...
Service Manual - Page 97
... time after
paper has been picked up, the copier identifies a pick-up clutch solenoid (SL1) Jam check Registration sensor (Q751) Main motor
2.1 sec
Jam sec
Figure 3-424
b. COPYRIGHT © 1994 CANON INC.
Copy Start key ON
INTR
SCFW
Pick-up delay jam, stops copying operation, and flashes the Jam message. Copy paper inserted
STBY
INTR
SCFW
Singlefeeder paper sensor (PS7...
Service Manual - Page 98
...COPYRIGHT 1994 CANONINC. CANON PC720/740R501770REV.OAUG.1994 PRINTEDIN JAPANDMPRIMEAUJAPON) Copy Start key
ON...copy paper does not reach the delivery sensor within a specific period of time because of
a feeding problem, the copier identifies a delivery stationary jam, stops copying operation, and flashes the Jam message.
iMMOPERATIONS AND TIMING
3. Delivery Stationary Jam If copy paper...
Service Manual - Page 103
...supply PCB has an overcurrent detection function which serves to run a self diagnosis program to stop the output. CANON PC72074011501170 REY.0 AUG.1994 PRINTED IN JAPAN (await AU JAPON)
3 - 63 Overcurrent ...reset by the Composite Power Supply PCB
The copier's composite power supply PCB is turned off to cut off the AC input.
2. COPYRIGHT © 1994 CANON INC. When an error occurs, the ...
Service Manual - Page 145
... bias to the developing cylinder.
2. Rotating it in passing, is exposed to soil the roller surface. Work quickly to the drum;
Caution:
1. COPYRIGHT © 1994 CANON INC. Do not use a flannel cloth.
3.
MECHANICAL SYSTEM!
2. B. use paper, lint-free or others, to avoid damage to limit the exposure of the drum using a cloth coated...
Service Manual - Page 156
CANON PC720/740501170 REV.0 AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPON)
INSTALLATION
Step
Work
9 Place the cartridge on the power switch. the copy count/ratio indicator indicates 'P', and the Add Paper message flashes. • Press the Copy Count/Zoom Set key and Clear/Stop key to make sure that the correct copy count is indicated. • Press the Default...
Service Manual - Page 157
... sure that the copier's ribs are made
normally. COPYRIGHT © 1994 CANON INC. Step
Work
14 Attach the copy tray. INSTALLATIONM
Checks/remarks
• Make sure that as many copies as specified are all in the three grooves of the copy tray.
-
'
---,...-..
15 Remove the materials from inside the cassette, and adjust the paper width and length...
Service Manual - Page 159
CANON PC72017401750/770REV.0 AUG.1994 PRINTED IN JAPAN EMPRIME AUJAPAN)
5 - 7 RELOCATING THE COPIER
Go through the following steps if you must relocate the copier by truck or other means of transportation:
Step
Work
Checks/remarks
1 Turn on the power switch, and make sure it will not open while in transit.
7 Place an A4 sheet of copy paper on...
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