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 11th, 2022
Flashing Light Question
what did it mean when there is a flashing, looks like a picture cartridge with a lightning bolt attached to it, mean on my Canon pc940 copier?
Current Answers
Answer #1: Posted by SonuKumar on April 11th, 2022 8:43 AM
SonuKumar
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Related Canon PC940 Manual Pages
Service Manual - Page 1
TVE00001-
TZA00001-
TVB00001PUD00001PUE00001PUH00001- PC940 F13-8436
PC941 F13-8437
PC950 F13-8231 F13-8241
PC960 F13-8434
PC980 F13-8232
PC981 F13-8233
TVD00001- TVG00001-
TVC00001-
FY8-13GA-000
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) REVISION 0
PC860 F13-8491
PC880 F13-8291
PC890 F13-8242
PC920 F13...
Service Manual - Page 2
...., JAPAN, TO SERVE AS A SOURCE OF REFERENCE FOR WORK IN THE FIELD. COPYRIGHT © 1999 CANON INC. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY. Printed in Japan Imprimé au Japon
Use of this manual should be strictly supervised to avoid disclosure...
Service Manual - Page 5
...CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
iii Be sure to have a good understanding of the difference from model to model before referring to this manual. • This service manual covers the models shown in question...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...
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.
Copier
1. Mechanisms Item
... drum (24-mm dia.)
Table 1-201
Descriptions Indirect static reproduction Roller (direct charging) Slit (moving light source) Auto or manual Dry (toner projection) Cassette (1 pc.) Single-feeder (single-feeder type) ...
Service Manual - Page 27
... Adjusts the density of copies or reproduction ratio.
• The symbol "%" turns on and off the power.
COPYRIGHT © 1999 CANON INC. Control Panel
[1] [2]
[3] [4] [5] [6]
[7]
[8]
[9]
[15]
[14]
[13]
[12] [11] [10]
No. Flashes in response to standard mode. Remarks
Indicates the selected copy density mode. Standard Mode Ratio: 100% Count: 1 Paper source: cassette...
Service Manual - Page 29
... the following if images tend to be fed from the original tray. • The indicator flashes 'U6' while the feeder is being cleaned. 4) Press the Copy Density Mode Selection key to...key.
• Copy paper will indicate 'U6'. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
1-17
COPYRIGHT © 1999 CANON INC. Copyboard Glass/Copyboard Cover
Clean the cover with ...
Service Manual - Page 43
Inputs to and Outputs from the DC Controller
1.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
2-7 ...
TH1
-6
TH2 Scanner thermistor
J131-1 TH2
-2
When PS5 has detected paper, '0'. (The light-blocking plate is at PS5, '1'.)
When Q751 has detected paper, '1'. (The light-blocking plate is at PS751, '0'.)
When the surface temperature of the fixing heater increases, the...
Service Manual - Page 44
...
+24V J107-4
-3 AE -2 AEREF -1
DC controller PCB
When the light reflected by the original increases, the voltage increases.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)... are wired in a matrix in three levels based on or flashes the LEDs and reads key inputs. Figure 2-106
2-8
COPYRIGHT © 1999 CANON INC. CHAPTER 2 BASIC OPERATION
2. SW309
J62 J102-2 DIG1 ...
Service Manual - Page 54
...on a continuous basis; Scanner Drive System
1. M2
SC_COM SC_B* SC_B SC_COM SC_A* SC_A
PS1 Light-blocking plate
Scanner home position signal (SCHP) Scanner home position sensor (PS1)
J110-1 -2 ...
J101-1
Figure 3-104
Q109 Motor driver circuit
DC controller PCB
3-4
COPYRIGHT © 1999 CANON INC. When moving the scanner forward, the speed of rotation of the selected reproduction ratio in...
Service Manual - Page 108
...lever is set during manual density adjustment.
4-14
COPYRIGHT © 1999 CANON INC. The density correction switch (SW101) affects both manual density adjustment and auto density adjustment (AE).
... DC controller PCB may be set to any of three levels, enabling correction of foggy images or light images caused as by a change in AE mode according to the scanning lamp as to control the...
Service Manual - Page 111
... (approx.)
23.5mm (approx.)
5.8mm (approx.)
37.7mm (approx.)
Middle of light reflected by AE sensor
Figure 4-114
Copy Start key ON
STBY INTR AER
SCFW
SCRV
SCFW... / lens drive motor (M2) Scanning lamp (LA1)
AE signal (AE)
Figure 4-115
COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-17 Operations When measuring the density of an...
Service Manual - Page 118
...drum, be affected. If you need to the developing cylinder will cause no practical problem.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) If you must clean...top unit, and take out the cartridge. 2) Turn over the cartridge, and open the drum cover shutter 3) Clean the drum surface with a flannel cloth coated with toner. If exposed to light for 5 min in which it ...
Service Manual - Page 137
... paper sensor within a specific period of paper;
Multifeeder Pickup Assembly (no paper)
COPYRIGHT © 1999 CANON INC. CHAPTER 5 PICK-UP/FEEDING SYSTEM
1.
the machine will be identified as a pickup delay jam, and flash the Jam indicator. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
5-13 If the pre-registration...
Service Manual - Page 139
...identify the condition as a vertical path stationary jam, stop the operation immediately, and flash the Jam indicator. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
5-15... Main motor (M1)
0.5sec Normal
Figure 5-120
0.5sec Jam
1.5sec
COPYRIGHT © 1999 CANON INC. registration roller sensor within a specific period of
time because of time, the machine will identify...
Service Manual - Page 140
... the condition as a registration paper delay jam, stop the operation immediately, and flash the Jam indicator. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Copy ...Main motor (M1)
4.6sec
Normal
4.6sec
Jam 1.5sec
Figure 5-122
5-16
COPYRIGHT © 1999 CANON INC.
CHAPTER 5 PICK-UP/FEEDING SYSTEM
5. Registration Paper Stationary Jam If copy paper does not ...
Service Manual - Page 141
...the machine will identify the condition as a delivery delay jam, stop the operation immediately, and flash the Jam indicator.
CHAPTER 5 PICK-UP/FEEDING SYSTEM
7.
Copy Start key ON
STBY INTR
SCFW...Delivery sensor (PS3) Main motor (M1)
4.1sec
normal
4.1sec Jam
1.5sec
Figure 5-123
8. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
5-17 Delivery Stationary Jam...
Service Manual - Page 209
...
M2
+5V
J105
J5-4
-6 PDP2
When original is detected, '0'.
-5
(when light-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.
J114
J202
J2
Serial communication
Copier
*Negative logic. Inputs to and Outputs from the ADF Controller PCB...
Service Manual - Page 220
... pickup motor (M2). CHAPTER 8 ADF
G. The CPU (Q1) on the copier and stop the pickup motor at the same time.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Outline ...rotates clockwise or counterclockwise according to pickup faults. 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...
Service Manual - Page 262
... as 10000 and 30000 lux.)
COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
10-5 Do not disassemble the cartridge. g. Try leaving the machine alone as long as a means of children. the memory (i.e., cause of 1500 lux (general lighting) for the photosensitive drum shutter. Try to show...
Service Manual - Page 313
...Check the originals to the middle index. if scratched, replace it with a moist cloth.
7.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Making Initial Checks
1.... to produce copies with "light" images.
3. Originals with a red tint tend to produce copies with poor contrast; CHAPTER 11 TROUBLESHOOTING
III. d. Originals prepared in question is as near a source...
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