Canon PC940 Support Question
Canon PC940 Support Question
Find answers below for this question about Canon PC940.Need a Canon PC940 manual? We have 1 online manual for this item!
Question posted by barbie69533 on August 12th, 2012
Part Fell Off
I have a Canon PC940 copier. While attempting to make a copy, I got an error message, which is usually a jam. I opened it to find the "sensor arm flag" lying on the floor of the copier and I don't know where it goes.
It doesn't appear to be broken or snapped off.
Current Answers
Related Canon PC940 Manual Pages
Service Manual - Page 1
TZA00001-
TVE00001-
TVJ00001-
TVH00001-
AUG. 1999
COPYRIGHT © 1999 CANON INC.
PC940 F13-8436
PC941 F13-8437
PC950 F13-8231 F13-8241
PC960 F13-8434
PC980 F13-8232
PC981 F13-8233
TVD00001- TVG00001- UAA00001-
FY8-13GA-000
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) TVB00001PUD00001PUE00001PUH00001- TVF00001PUF00001PUG00001-
TVC00001-
...
Service Manual - Page 2
...Toride-shi, Ibaraki 302-8501 Japan
COPYRIGHT © 1999 CANON INC.
COPYRIGHT © 1999 CANON INC.
IMPORTANT
THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF REFERENCE...information. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY. THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS,...
Service Manual - Page 5
... PC880 PC890 PC920 PC920 PC920 PC920 PC921 PC940 PC941 PC950 PC950 PC950 PC960 PC980 PC981
... 500 sheets
The notation "√" indicates that the item in the following table. Copying speed (cpm) at Direct
12 12 12 10 10 10 10 10 13 13 12 12... 13 10 13 13
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
iii Be sure ...
Service Manual - Page 7
... 3-1 A. Scanner Drive Assembly .... 3-13 B. Exposure System 3-37
COPYRIGHT © 1999 CANON INC.
USING THE MACHINE 1-15 A. Basic Sequence of Electrical Circuitry 2-2 C. DISASSEMBLY/ASSEMBLY ..... 3-12 A. Scanner Drive System ..........3-4
II. Copier 1-2 B. BASIC OPERATIONS 2-1 A. Outline of Operations 2-3
D. Varying the Reproduction Ratio 3-2 C. Control...
Service Manual - Page 11
Copier 1-2 B. NAMES OF PARTS 1-10 A. Cross Section 1-13
IV. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) I. FEATURES 1-1 II. SPECIFICATIONS 1-2
A. ADF 1-8 III. USING THE MACHINE 1-15 A. IMAGE FORMATION 1-20 A. Outline 1-20
COPYRIGHT © 1999 CANON INC. External View 1-10 B.
ROUTINE MAINTENANCE BY THE USER 1-17
VI. Control Panel 1-15
...
Service Manual - Page 13
...
I. Separate top unit • The machine's top unit may be opened to 1/1000 compared with existing Canon machines).
3. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)...at maximum (1/100 to make jam removal easy.
8. Personal Copier with the use of paper may expect quality copy images at 20°C room temperature), enabling speedy copying work .
6. The ...
Service Manual - Page 14
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Type Item
Body Copyboard Source of light
Lens Photosensitive medium
2.
SPECIFICATIONS
A. Copier
1. Mechanisms Item
Reproduction Charging Exposure Copy density adjustment Development Pickup
Separation Fixing Cleaning Original orientation
Desk top
Descriptions
Fixed
Halogen lamp (80 V/110 W for 120V-model; 150 V/160...
Service Manual - Page 29
...Copy Start key.
• Copy paper will indicate 'U6'. Caution: • You cannot start feeder cleaning mode while the machine is making copies or if an error...will be soiled or copy paper tends to end the mode. then, dry wipe it. CANON PC800s/900s REV.0 ... feeder is being cleaned. 4) Press the Copy Density Mode Selection key to jam often. 1.
Copyboard Glass/Copyboard Cover
Clean the...
Service Manual - Page 107
...the AC Bias The AC bias is modified/rectified and then supplied to the developing cylinder.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-13
When the...the com- posite power supply PCB a specific period of time after copy paper has moved past the registration sensor. COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM
2.
The AC bias is turned ...
Service Manual - Page 118
...photosensitive drum.
1) Open the machine's top unit, and take out the cartridge. 2) Turn over the cartridge, and open the drum cover ...usually about 10000 to 30000 lux.
4-24
COPYRIGHT © 1999 CANON INC. Do not use a flannel cloth. Be sure to a level at which it , use paper, lint-free or otherwise. 3. CHAPTER 4 IMAGE FORMATION SYSTEM
2. If you must clean it rotates when
making copies...
Service Manual - Page 141
... identify the condition as a delivery stationary jam, stop the operation immediately, and flash the Jam indicator.
SCFW
SCRV
SCFW
SCRV
indication SCFW
Jam check Delivery sensor (PS3) Main motor (M1)
4.1sec
Normal
4.1sec
Figure 5-124
Jam 1.5sec
COPYRIGHT © 1999 CANON INC.
Delivery Delay Jam If copy paper does not reach the delivery sensor within a specific period of time...
Service Manual - Page 207
Outline
The ADF picks up the originals stacked on the original tray starting with the topmost original, moves them through the copyboard, and delivers them. See Figure 8-101 for an outline of the feeding route.
CHAPTER 8 ADF
I.
ADF
Original tray
Copier
Figure 8-101
COPYRIGHT © 1999 CANON INC. ADF
A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
8-1
Service Manual - Page 208
... does not use an IC for communications.)
[Input block]
[Control block]
[Output block]
Sensor Switch
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 ADF controller
PCB. The CPU on the ADF controller PCB...
Service Manual - Page 209
...169; 1999 CANON INC. Inputs to and Outputs from the ADF Controller PCB (1/1)
ADF switch
MS1
Delivery sensor PI1
+24V J6-1
ADF controller PCB
-2
ADFC
When ADF is opened, '1'.
+5V...blocking plate is at sensor)
+5V J5-7
-9 PDP3
When original is detected, '0'.
-8
(when light-blocking plate is at sensor)
J3-1
-2
-3 -4
See p. 8-15.
-5
J3-6
-7 See p. 8-14. CANON PC800s/900s REV.0 AUG...
Service Manual - Page 220
...leading to the
motor driver (Q5). Any pickup fault causes the ADF controller to flash the JAM indicator on the ADF controller PCB sends the motor drive signals PM0 and PM1 to pickup faults.
When... the limiter function is a DC motor. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) The CPU (Q1) on the copier and stop the pickup motor at the same time.
...
Service Manual - Page 223
... supply is cut off . The 5V supply will continue to keep each sensor powered even when the ADF is supplied by the copier with 5 V and 24 V.
The ADF is opened , i.e., when the ADF switch (MS1) turns off when the ADF
is opened . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
8-17...
Service Manual - Page 250
... make copies to see if the operation is needed, select the appropriate label from among those that there is in place.
21 Place copy paper inside the cassette. (For how, see B. "Placing Copy Paper.")
22 All notations on the copyboard glass, • Check to make sure that as many copies as
specified are all in English.
CANON...
Service Manual - Page 314
... the cartridge back into the machine, and make copies. • If the copies are not normal, Replace the new cartridge. CHAPTER 11 TROUBLESHOOTING
8.
Cartridge
When the cartridge starts to run out of toner, copies will start to use the cartridge, but the user must know that it several times.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED...
Service Manual - Page 322
... leading edge (no margin)
Cause Pickup roller, Pickup clutch, Cassette Sensor (PS1), Lightblocking plate VR104
Solenoid (SL2), DC controller PCB Copy paper
Registration clutch
Step 1
2
3 4
5
Checks Make copies using the cassette and manually.
Does the registration clutch solenoid
NO 1.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON...
Service Manual - Page 339
...Jam paper
Sensor
DC controller PCB
Step 1
2
Checks Is the jam paper near any of the following sensors? • Vertical path roller paper sensor
(PS4) • Single-feeder paper sensor (PS5) • Pre-registration roller paper sensor
(Q751) • Delivery sensor (PS3) Is the sensor... controller PCB.
11-74
11-74
COPYRIGHT © 1999 CANON INC.
Set the meter range to 30 VDC, and connect...
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