Canon PC940 Support Question
Canon PC940 Support Question
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Question posted by ZOHERbo on May 20th, 2014
Does The Canon Pc940 Go Into Sleep Mode
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Related Canon PC940 Manual Pages
Service Manual - Page 1
TZA00001-
TVE00001-
PC940 F13-8436
PC941 F13-8437
PC950 F13-8231 F13-8241
PC960 F13-8434
PC980 F13-8232
PC981 F13-8233
TVD00001-
AUG. 1999
COPYRIGHT © 1999 CANON INC. TVC00001-
FY8-13GA-000
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) TVF00001PUF00001PUG00001- TVB00001PUD00001PUE00001PUH00001- TVJ00001-
UAA00001-
REVISION 0
PC860 F13-8491...
Service Manual - Page 5
Model
PC860 PC880 PC890 PC920 PC920 PC920 PC920 PC921 PC940 PC941 PC950 PC950 PC950 PC960 PC980 PC981
Type code
TYA TZA UAA PUD PUE PUH TVB TVC TVD TVE ...speed (cpm) at Direct
12 12 12 10 10 10 10 10 13 13 12 12 13 10 13 13
COPYRIGHT © 1999 CANON INC.
• This service manual covers the models shown in question is available. Be sure to have a good understanding of the difference ...
Service Manual - Page 13
...unit may contain as many as a single entity (cartridge). Personal Copier with a Zoom Function and a Fixed Copyboard • You can...(*Using the universal cassette). • In manual feed mode, paper may expect quality copy images at all times ...Canon machines).
3. multifeeder type).
7. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
1-1 COPYRIGHT © 1999 CANON...
Service Manual - Page 20
...as the host Humidity: same as the host
Table 1-207
1-8
COPYRIGHT © 1999 CANON INC. Height: 74 mm/ 2.9 in. (216 mm/ 8.5 in height)
Single-sided original to 215.9 mm
30 ...or less; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) ADF
Item Original pickup Original orientation Original position Original separation Original type
Stack Original processing mode Original size ...
Service Manual - Page 27
... REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
1-15 Control Panel
[1] [2]
[3] [4] [5] [6]
[7]
[8]
[9]
[15]
[14]
[13]
[12] [11] [10]
No. COPYRIGHT © 1999 CANON INC. Remarks
Indicates the selected copy density mode. continuous copying)
Stops copying or returns copying mode to a jam.
• Indicates the number of copies manually.
Flashes in response to standard...
Service Manual - Page 28
...% and 141% in 1% increments.
14 Default ratio key
Selects a default reproduction ratio.
15 Copy density mode selection key
Selects copying density mode. Table 1-401
*1. Applies only to a model equipped with a zoom function.
1-16
COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Applies only to a multifeeder...
Service Manual - Page 29
... copy paper (A4/LTR) on the machine, and hold down the Copy Density Mode Selection key for 4 sec or
more. • The count/ratio indicator will be soiled or copy paper tends to end the mode. COPYRIGHT © 1999 CANON INC. Copyboard Glass/Copyboard Cover
Clean the cover with a moist cloth (with water...
Service Manual - Page 58
...EXPOSURE SYSTEM
b. The current switching signals from the
control panel PCB copying mode settings (e.g., reproduction ratio). Detecting Overcurrent for the Scanner/Lens Drive Motor If...R339) on the DC
controller PCB will not recover once it has blown.
3-8
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) In response, it varies according to...
Service Manual - Page 108
...Mode and Voltage Correction Level
Figures 4-109 through -112 show the changes in the DC bias occurring as a result of changes in the sensitivity of the AE sensor during auto density correction and how the density adjusting lever is set during manual density adjustment.
4-14
COPYRIGHT © 1999 CANON... INC.
CHAPTER 4 IMAGE FORMATION SYSTEM
4.
CANON PC800s/900s REV.0...
Service Manual - Page 109
... (V)
Manual Density Mode
Figure 4-110 (SW101)
Test sheet 0
Original Newspaper density
Copy density adjusting lever
1
3.5
0
6.5
9
-100
-100
-200 -300 -400 -500
F1
-200
-300
F5
-400
-500 F9
Developing bias DC component (V)
AE Mode
Figure 4-111 (Non-SW101)
Developing bias DC component (V)
Manual Density Mode
Figure 4-112 (Non-SW101)
COPYRIGHT © 1999 CANON INC.
Service Manual - Page 115
...
Front side blanking lamp
(front)
Figure 4-121
Reflecting plate
A
B
B
A
, , Photosensitive drum Non-image area in Reduce mode
A: Position of the side blanking lamp in Direct and Reduce mode B: Position of excess toner when making reduced copies.
2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-21
Controlling the Side Blanking...
Service Manual - Page 132
... (to 6 cpm) by a mechanism to 9 cpm.
Figure 5-108
5-8
COPYRIGHT © 1999 CANON INC.
CHAPTER 5 PICK-UP/FEEDING SYSTEM
6. When the multifeeder is used for continuous copying, a delay ...(Q751)
19th copy I
I: A switch to 9-cpm copying mode is initiated after delivering the 19th copy in Multifeeder Mode The machine does not possess a copy paper width detecting function and, therefore,...
Service Manual - Page 135
...mm) : distance between pre-registration roller paper sensor and registration roller.
10 (mm) : length of actuator of copy paper. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
5-11
Pickup from the Multifeeder (A4, 2 copies)
Copy...Scanner
II I
0.3sec (approx.)
Forward Reverse
0.7sec (approx.)
I : Varied by value under '30' of service mode (registration adjustment).
Service Manual - Page 136
...pickup
roller
PS4 Vertical path roller
Figure 5-114 (Single-feeder type)
5-12
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
in other words, it will... of paper over a specific sensor at power-on, the machine will be reset to standard mode when it is checked with a function which remembers the remaining number of copies to find out...
Service Manual - Page 137
CHAPTER 5 PICK-UP/FEEDING SYSTEM
1.
Multifeeder Pickup Assembly (no paper)
COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
5-13 Copy Start key ON
STBY
... a pickup delay jam, and flash the Jam indicator. the machine will stop the main motor in multifeeder mode, the condition will identify the condition as the absence of paper;
Service Manual - Page 168
...fixing heater when the Copy Start key is pressed. • Number of copies to make in continuous copying mode
Table 6-102 shows the temperature of the fixing heater when the Copy Start key is pressed (as detected by...is controlled according to the number of copies made in continuous mode.
6-4
COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Service Manual - Page 169
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
6-5
CHAPTER 6 FIXING SYSTEM
Heater temperature when the Copy Number of copies Control temperature (&#...200 195 190
Controlling the Temperature of 185 the Fixing Heater 180 ( C)
120
100
1 10
30 40
1
11 21
Number of Copies in Continuous Copying Mode
after a Press on the Copy Start Key
Figure 6-104
COPYRIGHT © 1999...
Service Manual - Page 208
...
ADFcontroller PCB
CPU (Q1)
ROM (Q2)
24V 5V
Motor
Serial communication
Copier
Composite power supply PCB
Figure 8-102
8-2
COPYRIGHT © 1999 CANON INC. The copying modes selected on the copier are communicated to the ADF in serial, and the ADF
communicates to the copier the state of the Electric Circuitry The ADF's major electrical mechanisms...
Service Manual - Page 210
Basic Operations
1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) The pickup motor (M2) is
used to accommodate one-sided original copying mode only. Further, the ADF is used...motor drive signal
M1
M2
One-way clutch
PI1 PI2 PI3
Figure 8-104
8-4
COPYRIGHT © 1999 CANON INC.
CHAPTER 8 ADF
C. The ADF is designed to move, stop, and deliver originals. Outline ...
Service Manual - Page 211
after
it picks up an original
Feeding 1 Feeding 2
Copying
Delivering
Figure 8-105
COPYRIGHT © 1999 CANON INC. Delivery tray Originals
Placing originals
Original tray
Picking up an original, it places it to the copyboard glass.
One-Sided Original Mode The ADF picks up originals stacked on the copyboard glass for copying, moves it...
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