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 dalymeaganm on April 29th, 2022
Reset System?
is there a way to reset the system because it's showing the paper jam icon, but there's no paper jam. Is there a way to reset it, I tried unplugging it but it didn't do anything
Current Answers
Answer #1: Posted by SonuKumar on April 30th, 2022 12:14 AM
SonuKumar
Member since:
May 9th, 2021 Points: 16,604,590
Member since:
May 9th, 2021 Points: 16,604,590
https://www.manualslib.com/products/canon-pc940-2750647.html
follow above manual - troublshooting
https://support.usa.canon.com/kb/index?page=content&id=ART154557
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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Related Canon PC940 Manual Pages
Service Manual - Page 1
PC940 F13-8436
PC941 F13-8437
PC950 F13-8231 F13-8241
PC960 F13-8434
PC980 F13-8232
PC981 F13-8233
TVD00001-
TVJ00001- REVISION 0
PC860 F13-8491
...
Service Manual - Page 2
...
Use of this manual should be strictly supervised to avoid disclosure of confidential information. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY.
SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND...
Service Manual - Page 3
.... It also explains the timing at which exposurerelated mechanisms are operated, and shows how they may be disassembled/assembled and adjusted. It also explains the timing...by -step instructions.
Chapter 9 Installation introduces requirements for the site of installation, and shows how the machine may be disassembled/assembled and adjusted. Appendix contains a general timing ...
Service Manual - Page 5
... Universal 500 sheets 500 sheets
The notation "√" indicates that the item in the following table. 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 PUG TVF TVG TVH TVJ...
Service Manual - Page 7
... and Outputs from the DC Controller 2-7
CHAPTER 3 EXPOSURE SYSTEM
I . DISASSEMBLY/ASSEMBLY ..... 3-12 A. Scanner Drive Assembly .... 3-13 B. Lens Drive Assembly ......... 3-31 C. FEATURES 1-1 II. Copier 1-2 B. ROUTINE MAINTENANCE BY THE USER 1-17
VI. Basic Sequence of Electrical Circuitry 2-2 C. Outline 3-1 B. Exposure System 3-37
COPYRIGHT © 1999 CANON INC. CONTENTS...
Service Manual - Page 11
SPECIFICATIONS 1-2
A. NAMES OF PARTS 1-10 A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) FEATURES 1-1 II. USING THE MACHINE 1-15 A.
Copier 1-2 B. Cross Section 1-13
IV. IMAGE FORMATION 1-20 A. Control Panel 1-15
V. I. CHAPTER 1 GENERAL DESCRIPTION
This chapter provides specifications of the machine, instructions on how to operate ...
Service Manual - Page 13
.... 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
1-1 Personal Copier with a Zoom Function and a Fixed Copyboard • You can choose either a default enlargement/reduction ratio or any ratio between A4 (LGL) and A5 (STMT) (*Using the universal cassette). • In manual feed mode, paper may contain as many as he/she performs simple...
Service Manual - Page 14
...-feeder (single-feeder type) Multifeeder (multifeeder type) Curvature separation + static eliminator Flat heater Blade Center reference (copyboard)
Table 1-202
1-2
COPYRIGHT © 1999 CANON INC.
Copier
1. SPECIFICATIONS
A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Type Item
Body Copyboard Source of light
Lens Photosensitive medium
2. CHAPTER 1 GENERAL...
Service Manual - Page 41
... (M1)
1.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
2-5
Drive signal
Signal (MMD) from the composite power supply.
Outline Table 2-102 shows the functions of the main motor control circuit, and Figure 2-104 is a block
diagram of the circuit.
Moving/drive parts
Photosensitive drum, primary charging roller...
Service Manual - Page 49
... B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) It also explains the timing at which these drive units are operated, and shows how they may be disassembled/assmbled and adjusted. OPERATIONS 3-1 A. Scanner Drive System ..........3-4
II. CHAPTER 3
EXPOSURE SYSTEM
This chapter discusses the principles of operation used for...
Service Manual - Page 51
... No. 4/5 mirror unit
Scanner/lens drive motor (M2) Scanner thermistor (TH2)
By a fuse (blows in response to overheating of the exposure system.
Outline
Table 3-101 shows the major functions of the scanning lamp to cut power to the lamp) • Thermal fuse (FU1; blows at 128°C)
Table 3-101
Copyboard glass...
Service Manual - Page 59
Outline Figure 3-201 shows the circuit used to control the scanning lamp, and has the following func-
EXPOSURE SYSTEM
A.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME ...
Service Manual - Page 61
...the
scanning lamp activation signal is controlled by the scanning lamp active voltage signal sent by way of monitoring the activation of phase control. Controlling the Intensity of the Scanning Lamp The ...to the DC controller PCB in
serial by the
DC controller PCB in terms of actual voltage by way of the scanning lamp (LA1). However, the intensity remains a specific value for AE exposure so ...
Service Manual - Page 136
... sensors detects copy paper at power-on, the machine will be reset to standard mode when... it will identify the condition as programmed in the microprocessor. CHAPTER 5 PICK-UP/FEEDING SYSTEM
D. The machine is not equipped with reference to make at such times as a jam.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) if any of no paper/jam...
Service Manual - Page 186
...the control panel.
4. Detecting an Over-Current in mind, however, that repeated short-circuiting and resetting can blow the fuse (FU102).
7-6
COPYRIGHT © 1999 CANON INC.
Protecting the Power ...power supply PCB is detected because of the following voltages, the composite power supply will be reset by opening the machine's top unit, correcting the load, and then turning the power ...
Service Manual - Page 220
... faults. The CPU (Q1) on the copier and stop the pickup motor at the same...motor drive current, thereby preventing damage to flash the JAM indicator on the ADF controller PCB sends the motor...a diagram of these two signals. (Table 8-102 shows how the pickup motor rotates for the pickup motor ...Picking up Delivering
At reset (free)
8-14
COPYRIGHT © 1999 CANON INC. When the limiter function is ...
Service Manual - Page 223
...PRINTED IN JAPAN (IMPRIME AU JAPON)
8-17 Power Supply
1. Outline Figure 8-124 shows the routes of power supply. The 5V supply will continue to keep each sensor ... NO
J101-1 24V 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 (PI2) ...
Service Manual - Page 353
In the case of 'E000', 'E001', 'E002', or 'E003', however, the machine must be reset as follows: this consideration is to prevent feeding power to reset the machine. In the case of 'E0', 'E000', 'E001', 'E002', 'E003', or 'E220', the machine will turn on the power switch. 3) Stop short-circuiting JP101 ...
Service Manual - Page 370
... 15 RD*
+5V
C8 C22
+5V
HC14
14
VCC GND
7
Q6
+5V C10
COPYRIGHT © 1999 CANON INC. WD D1 C3 +
Q3
1
8
Ct RESET*
2
7
RESET Vs
3
6
Ck
Vref
4
5
GND
Vcc
+5V C4
+5V R2
C5
+5V R3
X1
R4 C6
C7
JP1
R5
+5V
R6
Q1
1
XTAL
2
EXTAL.../D6
54 P35/D5
53 P34/D4
52 P33/D3
51 P32/D2
50 P31/D1
49 P30/D0
RESET* PSW
DIGIT3 DIGIT2 DIGIT1 DIGIT0 DIPSW1 DIPSW0 D7 D6 D5 D4 D3 D2 D1 D0
E.
Service Manual - Page 380
... PRINTED IN JAPAN (IMPRIME AU JAPON)
A-25 Composite Power Supply Circuit Diagram [A508] (7/8)
+5V C903
PAC_S
1 PAC_S
Q901
+5V HV_LIMIT
2 +5FBT
3 HV_LIMIT
2
3
IN OUT
GND
1
RESET
4 RESET* JP999 5 MODE1
NC 6 MODE2
NC 7 J_CTL
LAMP_ON
8 NC
PAC_OUT 50 49
5V_ON* PW_OFF* 48
CPS_REQ* 47 DATA1 46
DATA2 45
DATA3 44 DATA0 43
PWM_1KHz...
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