Canon PC940 Support Question
Canon PC940 Support Question
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Question posted by tiff2hawkn on August 14th, 2014
How To Clean Canon Pc940 Copier
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Related Canon PC940 Manual Pages
Service Manual - Page 1
...-8491
PC880 F13-8291
PC890 F13-8242
PC920 F13-8431 F13-8441
F13-8461
PC921 F13-8432
TYA00001-
TVF00001PUF00001PUG00001-
TVH00001- AUG. 1999
COPYRIGHT © 1999 CANON INC.
UAA00001-
PC940 F13-8436
PC941 F13-8437
PC950 F13-8231 F13-8241
PC960 F13-8434
PC980 F13-8232
PC981 F13-8233
TVD00001- TZA00001-
Service Manual - Page 2
...-8501 Japan
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS, AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES...
Service Manual - Page 5
... Direct
12 12 12 10 10 10 10 10 13 13 12 12 13 10 13 13
COPYRIGHT © 1999 CANON INC. 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 PUF...
Service Manual - Page 7
Copier 1-2 B. Outline 1-20
CHAPTER 2 BASIC OPERATION
I . EXPOSURE SYSTEM 3-9
A. Scanner Drive Assembly .... 3-13 B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED ... 3-12 A. Outline 3-1 B. Lens Drive Assembly ......... 3-31 C. Exposure System 3-37
COPYRIGHT © 1999 CANON INC. NAMES OF PARTS 1-10 A. FEATURES 1-1 II. Control Panel 1-15
V. BASIC OPERATIONS 2-1 A. USING...
Service Manual - Page 11
FEATURES 1-1 II. Cross Section 1-13
IV. Copier 1-2 B. IMAGE FORMATION 1-20 A.
Outline 1-20
COPYRIGHT © 1999 CANON INC.
SPECIFICATIONS 1-2
A. USING THE MACHINE 1-15 A. Control Panel 1-15
V. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) ROUTINE MAINTENANCE BY THE USER 1-17
VI. I. ADF 1-8 III. External View 1-10 B. NAMES OF ...
Service Manual - Page 13
...cassette + multifeeder; COPYRIGHT © 1999 CANON INC. Ecology-Conscious • The use of ozone: 0.01 ppm or less on .
4. Personal Copier with a Zoom Function and a Fixed Copyboard...photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as a business card.
5. multifeeder type).
7. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME...
Service Manual - Page 14
Copier
1. Type Item
Body Copyboard Source of light
Lens Photosensitive medium
2. CHAPTER 1 GENERAL DESCRIPTION
II. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) SPECIFICATIONS
A. Mechanisms Item
Reproduction Charging Exposure Copy density adjustment Development Pickup
Separation Fixing Cleaning Original orientation
Desk top
Descriptions
Fixed
Halogen lamp (80 V/...
Service Manual - Page 207
See Figure 8-101 for an outline of the feeding route.
CHAPTER 8 ADF
I. ADF
A.
ADF
Original tray
Copier
Figure 8-101
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
8-1 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.
Service Manual - Page 208
...]
[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 copier are controlled by the CPU on the ADF controller PCB reads the signals from the sensors and...
Service Manual - Page 209
Figure 8-103
COPYRIGHT © 1999 CANON INC. Inputs to and Outputs from the ADF Controller PCB (1/1)... plate is at sensor)
J3-1
-2
-3 -4
See p. 8-15.
-5
J3-6
-7 See p. 8-14.
J114
J202
J2
Serial communication
Copier
*Negative logic. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
8-3
CHAPTER 8 ADF
2. Inputs to and Outputs from the ADF Controller PCB...
Service Manual - Page 220
... pickup fault causes the ADF controller to pickup faults. The CPU (Q1) on the copier and stop the pickup motor at the same time. ADF controller PCB +24V
Q1 CPU...8-102
Pickup roller rotation Braked Picking up Delivering
At reset (free)
8-14
COPYRIGHT © 1999 CANON INC. When an overcurrent occurs, the limiter function cuts off the motor drive current, thereby preventing damage to the
...
Service Manual - Page 223
...turns off when the ADF
is opened . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
8-17 The 24V supply is supplied by the copier with 5 V and 24 V.
CHAPTER 8... J1-1
Composite power supply PCB
J101-3 5V
J1-3
Circuitbreaker (CB1)
Fuse resistor (R1)
Logic
Copier
ADF controller PCB
Figure 8-124
Belt motor (M1) Pickup motor (M2)
Delivery sensor (PI1) Registration sensor...
Service Manual - Page 226
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 8 ADF
6) Disconnect the two connectors [8], and remove the screw [9];
then, remove the cable bush [10].
[10]
[8]
[9]
7) Remove the two lockpin [11], and remove the ADF from the copier.
[8]
Figure 8-204
[11]
[11]
Figure 8-205
8-20
COPYRIGHT © 1999 CANON INC.
Service Manual - Page 227
Removing the ADF.") 2) Remove the feeding roller [1] from the copier.
(See "A.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
8-21 B. External Covers
CHAPTER 8 ADF [1]
Remove the covers as follows when cleaning, checking, or repairing the inside of the machine: 1) Remove the ADF from the
bushing [2].
[2]
[1] Upper cover
[2] Lower cover
Figure...
Service Manual - Page 244
...
Unpacking and Installation
Step 1
2
Work
Checks and remarks
Take out the copier and the attachments from the shipping box, and check to make sure that... from a cold to warm place, droplets of the machine.
If the machine has been brought in copiers, can cause blank copies. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
This phenomenon is brought in step ...
Service Manual - Page 267
...using a meter: "measure the voltage between J109-1 (+) and -2 (-) on the DC controller PCB." J109-2 (-) ...... is not the copier's. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES
Connect the plug.
2
Are the front door and the ... negative probe.
Connect the positive probe.
Connect the negative probe.
11-2
COPYRIGHT © 1999 CANON INC. or the cover.
Service Manual - Page 270
...so that the leading edge non-image width is 2.0 ±1.5 mm when the Test Sheet is as indicated.
Copier a. VR105
J131 J101 J102 J101
J130
J114
J102 VR104VR105VR106
VR107
VR103VR102 J107
J103
J104
J105
J109
J106
Figure 11...-image width Decreases Increases
Table 11-201
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-5
Service Manual - Page 331
...?
5V power supply
2 Set the matter to the 20VDC range, and connect the + probe to the copier ground.
Composite power supply PCB
Step 1
2
Checks Turn off and then on the power. YES/NO
...Action
YES End. Is the voltage about 5V? Is the problem corrected? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Is the problem corrected?
CHAPTER 11...
Service Manual - Page 352
...power deviates from the setting value twice in excess of the allowed interval.
• The communication with the copier is interrupted for 1 sec or more while the main motor drive signal (MMD=1) is being generated. &#...; The scanner/lens drive motor (M2) is faulty.
• The DC controller PCB is faulty. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-87 The keys on ...
Service Manual - Page 357
... solenoid (SL1)
7
Cassette pickup solenoid (SL5)
Vertical path roller 8 paper sensor (PS4)
9
Registration clutch solenoid (SL2)
10 Copier
Pre-registration roller paper sensor (Q751)
11 Scanning lamp (LA1)
12 Primary AC bias 13 Primary DC bias
14 Developing AC bias ... / lens drive motor (reverse) / Pickup motor (reverse) / Belt motor (reverse)
COPYRIGHT © 1999 CANON INC.
2.
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