Canon PC770 Support Question
Canon PC770 Support Question
Find answers below for this question about Canon PC770.Need a Canon PC770 manual? We have 1 online manual for this item!
Question posted by lavellemjl on July 28th, 2014
In Copies Code Eo Appears.will Not Copy.
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Current Answers
Answer #1: Posted by Odin on July 28th, 2014 1:25 PM
Odin
Member since:
April 10th, 2010 Points: 41,236,690
Member since:
April 10th, 2010 Points: 41,236,690
This Canon page describes in detail the correct procedure for copying. That's the best I can do for you with the information you've provided. If you still have questions, you'll need to give us more details: what exactly you did, and what exactly happened.
(Note that even though the title of the page refers to a different model, that's the page to which Canon refers for your PC770/)
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Related Canon PC770 Manual Pages
Service Manual - Page 3
...expected to be issued as a handy reference for quick response to the copier; The PC720, PC740, PC750, and PC770 differ from time to time to reflect improvements rendered to the user's ...to its operation are related to functions and timing of copies.
CHAPTER 2 "COPYING PROCESS" deals with the inner workings of the copier associated with respect to each other with the generation of...
Service Manual - Page 5
SPECIFICATIONS
1-1
III. OPERATIONS
1-8
CHAPTER 2 COPYING PROCESS
I . BASIC OPERATION
3-1
VI. POWER SUPPLY
3-60
II. EXPOSURE SYSTEM
3-11
VII. RELOCATING THE COPIER 5-7
5-2
COPYRIGHT © 1994 CANON INC. FEATURES II. PICK-UP/FEEDING SYSTEM 3-36
VIII. SELECTING THE SITE II. CONTENTS
CHAPTER 1 GENERAL DESCRIPTION
I . CHARGING, DEVELOPING,
II. PICK-...
Service Manual - Page 9
Separate top unit. • The copier's top unit may be given an extra finish.
7. COPYRIGHT @ 1994 CANON INC.
using overlay mode, copies may be selected.
2.
CANON PC7201740/... business card may be opened to make jam removal easy. GENERAL DESCRIPTION - Extra touches to the copies. • The black toner cartridge may be replaced with zooming. • In addition to the...
Service Manual - Page 10
...direct charging)
Exposure
Slit (moving light source)
Copy density adjustment Automatic (AE) or manual
Development
Dry
Auto Pick-up
Manual
Cassette (1 holder) Singlefeeder
Multifeeder
Separation
Curvature separation + static eliminator
Fixing
Flat heater
Cleaning
Blade
Original orientation
Center reference (copyboard)
PC770 PC770
1 - 2
COPYRIGHT © 1994 CANON INC. CANON PC720...
Service Manual - Page 11
...JAPAN (IMPRIME AU JAPON)
1 -3 GENERAL DESCRIPTIONMI
3. at 20°C/68°F)
First copy time
10 sec (approx.;
VgAtiMAW. deep (approx.; fixed)
*As recommended by Canon.... tracing paper (SM-1), colored paper
Copy paper type
Single manual feeding
Plain paper (52 to 1.410
Wait time
0 sec (approx.; Performance
Item
PC720
PC740
PC750
PC770
Original type
Sheet, book, 3-D object...
Service Manual - Page 12
...115V60Hz, supply 220
Serial number
Serial number
PC750 Serial number
Maximum
Power consumption
Standby
Copying
0.9 kW or less 0.2 W (approx.; A4R
A4R
PC770 12 12 12 12 12 9 10
Table 1-101
Model PC740/750
10 10 .... keep at 40°C/85% or less.
about 5 min; PC770 Serial number
Reproduction ratio
Size
Copy paper
DIRECT REDUCE ENLARGE
A4R
A4R
B5R
B5R
A5R
A5R
A4R -, ...
Service Manual - Page 18
... mode to automatic density adjustment. however, you are using the Copy Count/Zoom Set key. (The count should appear on the Copy Start key after supplying paper will automatically make the remaining number of copies to manually adjust the copy density, deselect AE and use the Copy Density Adjust lever.
4) As necessary, press the Default Ratio...
Service Manual - Page 19
... in 1% increments. COPYRIGHT © 1994 CANON INC. e. After copying operation is over, the
auto power-off mechanism becomes activated if the copier is opened for removal of the jam.)
g. When you press the...
CANON PC72017407501770 REV.0 AUG.1994 PRINTED IN JAPAN (IMPRIME AU JAPON)
1 - 11 the ongoing copy run is delivered. When you press the Zoom key, you may set more than one is finished ...
Service Manual - Page 23
...:
C) When the cassette has run out of paper.
02 When the Copy Start key is pressed without setting the cassette in the cassette holder.
3 When the Copy Start key is pressed
without paper on in the cassette, go off, and
the copier will make the remaining number of a jam inside the machine with...
Service Manual - Page 24
... ;e read this Ft if, personal in
Figure 1-412
Go through the following: 1) Remove the cartridge from the copier,
and rotate it several times as shown in the copier, and make a copy.
MIGENERAL DESCRIPTION
E.
If the copy image fails to return to normal, • Replace the cartridge according to open /close lever to the instructions...
Service Manual - Page 31
IMAGE FORMATION
A. Image exposure)
(7. Development)
Delivery
6. Separation
Registration
: Flow of copy paper
(Cassette/manual feed)
: Rotation of photosensitive drum
Figure 2-102
COPYRIGHT © t994 CANON INC. CANON PC7201740R50M0 REV.O AUG.1994 PRINTEDIN JAPAN OMPRIME AU JAPONI
2 - 1 Outline
The copier uses a direct charging/transfer system with each component block arranged as ...
Service Manual - Page 32
...: the outer layer being a photoconductive layer made of organic photoconductor (OPC) and inner layer, a substrate made of tow steps: primary charging and image exposure. INN COPYING PROCESS
The copier's image formation block consists of negative charges.
Service Manual - Page 35
... by the photosensitive drum surface potential and the developing bias
(negative component). F.
COPYING PROCESSIM
During copying, the toner is applied to the back of copy paper to transfer toner from the surface of the transfer drum to the copy paper. The copier uses a roller transfer system, which has the following advantages when compared with an...
Service Manual - Page 36
... the center of the paper. Thin paper, however, has low rigidity and can wrap around the photosensitive drum. Pressure roller
Copy paper
Figure 2-113
After transfer, the toner image is why the copier's fixing assembly does not have a cleaning mechanism. this is fixed to weaken the static attraction between the photosensitive drum...
Service Manual - Page 59
FL1);
The copier does not start copying operation until the intensity of the fluorescent lamp has stabilized.
When not controlled,... functions:
• controls pre-heating of the scanning
lamp. In consideration of these characteristics of the fluorescent lamp, the copier is turned on and off the scanning lamp. • controls the intensity of the scanning lamp.
• turns on...
Service Manual - Page 91
... keep rising after increasing the distance between
sheets of copies.
6.
at the same time, indicates an error code (E00 through 'E003' on paper of the thermistor (TH1, TH2); Checking for Overheating at the End of the Fixing Heater The rear end of the copier's fixing heater
is over. if it detects a high temperature...
Service Manual - Page 111
Code
E
Cause
Indicated when the fixing film is less than 100°C.
• The thermistor (TH2) temperature exceeds 225°C during copying...Copy Start key.
• The thermistor (TH1) temperature fails to reach 150°C in 4 sec after a press on the Copy... Start key.
• The thermistor (TH2) temperature fails to reach 65°C in 4 sec after a press on the Copy...in the copy counter on...
Service Manual - Page 112
...detected by the thermistor (TH1) has exceeded 150°C during copying operation and maximum power is applied for 10 to 14 sec thereafter.
• The thermistor ...fuse (FU1; faulty)
• Fixing heater (H1; faulty)
• Thermal fuse (FU1; OPERATIONS AND TIMING
Code
EMI" LOW
4 4
Cause
• Thermistor (TH1, TH2; faulty) • Triac (faulty) • DC controller PCB (faulty...
Service Manual - Page 113
...• The +24V power supply deviates from the control value by ±20% during copying.
CANON PC720/7401750770 REV.O AUG.1994 PRINTED IN JAPAN (IlAPRIME AU JAPON)
3 - 73...frequency (faulty) • Composite power supply PCB (faulty)
EOL• I = Li117.
OPERATIONS AND TIMING
Code
Cause
• Scanner home position sensor (PS1; I nr13
• DC controller PCB (faulty)
P(pC...
Service Manual - Page 165
... shutter. If you soiled the surface of the photosensitive drum by residual memory on the copies as toner runs out, hold the cartridge level as 10,000 to white spots or black...cover under the cartridge to vibration
or shocks.
Before setting the cartridge to the copier
or if white spots appear on the drum; The photosensitive drum is equipped with toner.
Handling a. Figure ...
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