Canon PC940 Support and Manuals
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Most Recent Canon PC940 Questions
I Am Hearing A Grinding Sound When I Try To Use The Copier.
(Posted by Patrishr 1 year ago)
It Makes A Loud Clunking Noise When Its Copying
(Posted by nwooderson 1 year ago)
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 the system because it's showing the paper jam icon, but there's no paper jam...
(Posted by dalymeaganm 1 year ago)
Flashing Light Question
what did it mean when there is a flashing, looks like a picture cartridge with a lightning bolt atta...
what did it mean when there is a flashing, looks like a picture cartridge with a lightning bolt atta...
(Posted by dalymeaganm 2 years ago)
Streaks
How do I get rid of black streaks. Making it lighter isn't the answermatt
How do I get rid of black streaks. Making it lighter isn't the answermatt
(Posted by matt01095 2 years ago)
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Popular Canon PC940 Manual Pages
Service Manual - Page 20
...Item Original pickup Original orientation Original position Original separation Original type
Stack Original processing mode Original size detection Mixed original sizes Original detection Original feeding... CANON INC. Height: 74 mm/ 2.9 in. (216 mm/ 8.5 in . CHAPTER 1 GENERAL DESCRIPTION
B. CANON...355.6 mm (feeding direction) Width: 139.7 to single-sided copy
Yes (in feeding direction)
No
Yes
...
Service Manual - Page 41
... control.
CHAPTER 2 BASIC OPERATION
D. Outline Table 2-102 shows the functions of the main motor control circuit, and Figure 2-104 is a block
diagram of the circuit. Executes constant speed rotation control. Drive signal
Signal (MMD) from the composite power supply.
Item Power supply
Description 24 VDC from the DC controller PCB. CANON PC800s/900s REV...
Service Manual - Page 42
... '1'. b.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Rotating the Main Motor at a specific speed, the main motor driver PCB keeps sending...specific number for about 1 sec, the DC controller will find the condition to the DC controller PCB. Detecting an Error (E010) If the rotation of the reference signals match. CHAPTER 2 BASIC OPERATION
2. Related Error Code...
Service Manual - Page 61
... circuit (HIC 001) controls the voltage supplied to the scanning lamp active voltage signal. Related Error Code
E220 • The lamp activation detection signal is 56 V for the 120 V model (108.5 V for 1 sec or more although the
scanning lamp activation signal is sent to the setting of VR107 mounted on the composite power supply PCB sends the...
Service Manual - Page 165
...CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
6-1
activating at 228°C)
Error code
E000 E001 E002 E003
The fixing temperature fails to detect and protect against an error; The thermistor has detected overheating. Outline
The major functions of the fixing unit are as follows:
Item... has dropped abnormally. OPERATIONS
A. CHAPTER 6 FIXING SYSTEM
I.
Service Manual - Page 258
...)
10-1 III. PERIODICALLY REPLACED PARTS
The machine does not have items designated as durables or consumables. DURABLES AND CONSUMABLES
The machine does not have parts which require scheduled servicing. COPYRIGHT © 1999 CANON INC. II. CHAPTER 10 MAINTENANCE AND SERVICING
I.
SCHEDULED SERVICING
The machine does not have any parts which must be replaced on a periodical basis...
Service Manual - Page 269
... or alcohol
Cleaning. COPYRIGHT © 1999 CANON INC. Work/remarks Dry-wiping.
Cleaning.
11-4
Cartridge
Item Drum cover shutter
Tools/solvents Most cloth
Work/remarks
Cleaning; Cassette pickup roller
Moist cloth or alcohol
Registration roller Moist cloth
Transfer guide
Moist cloth
Transfer charging Lint-free paper roller
Static eliminator Feed belt
Special brush Moist cloth...
Service Manual - Page 314
... 1) Take out the cartridge from the machine, and shake it must be replaced with a new cartridge soon. • 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. Consumable a. COPYRIGHT © 1999 CANON INC.
Service Manual - Page 326
... response to a press on the DC controller PCB with a screwdriver. Troubleshooting Malfunctions
1 E0
Cause
Step 1
Checks 1) Turn off the power, and short JP101
and JP102 on the Copy Start key? YES/NO YES
NO
Action See the instructions given for the respective error code.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON...
Service Manual - Page 330
... scanning lamp turn on when the Copy Start key is turned on the power switch. Is the problem corrected? NO Replace the DC controller PCB.
11 E261
Cause Power supply frequency
Composite power supply PCB
Step 1
Checks Turn off and then on ? YES/NO YES
NO
Action End. COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING...
Service Manual - Page 336
... correctly. Check the surface of the solenoid; if normal, replace Q751.
Is the meter reading about 24 V for a moment after the Copy Start key is pressed?
No Replace the DC controller PCB. Is the scanner rail soiled?
Is the pre-registration roller paper sensor (Q751) normal? (For instructions on how to rotate.
Does the voltage between J109...
Service Manual - Page 339
...? (For instructions on ." Set the meter range to 30 VDC, and connect the meter probes to J202-2 (+) and -1 (-) on how to check the photointerrupers, see p. 11-47.)
Replace the control panel PCB.
YES End.
Is the problem corrected? if normal, replace the PS4.
NO Replace the DC controller PCB.
26 The "Jam" message fails to turn off . Cause Jam paper
Sensor...
Service Manual - Page 351
...CANON INC. SELF DIAGNOSIS
The microprocessor on the machine's DC controller PCB is equipped with a self diagnostic mechanism that checks the condition of the machine (particularly, sensors) and indicates an error code...error ('E000', 'E001', 'E002', 'E003') has occurred. • The temperature detected by the
thermistor (TH1) does not reach 65°C 1.5 sec after the Copy...Copy... copy operation and...
Service Manual - Page 352
COPYRIGHT © 1999 CANON INC. the communication is monitored at all times.
• During a copying run, the +24 V power deviates from the setting value twice in excess of the composite power supply high voltage is detected for 5 sec or more;
The keys on .
• The lamp ON detection signal is not detected for 1 sec or...
Service Manual - Page 358
...PAPER DETECTION signal SIDE BLANK EXPOSURE LAMP ON signal SCANNER MOTOR PULSE signal A SCANNER MOTOR PULSE signal B SCANNER MOTOR DRIVE signal SCANNER HOME POSITION signal SINGLE-FEEDER PAPER...STBY
STANDBY
COPYRIGHT © 1999 CANON INC. What follows below is a list of signals and abbreviations used in the chapters of the manual and circuit diagrams. The abbreviations within parentheses represent...
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