Canon PC980 Support Question
Canon PC980 Support Question
Find answers below for this question about Canon PC980 - PC 980 B/W Laser.Need a Canon PC980 manual? We have 1 online manual for this item!
Question posted by Vmiles6145 on December 26th, 2010
Why When I Make A Copy Is Comes Out All Black?
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Related Canon PC980 Manual Pages
Service Manual - Page 10
TROUBLESHOOTING IMAGE FAULTS 11-48 A. Making Initial Checks ....... 11-48 B. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. ARRANGEMENT ... HIGH VOLTAGE CONTACT CIRCUIT DIAGRAM A-32
L. BLANK EXPOSURE (front) CIRCUIT DIAGRAM A-33
M. Troubleshooting Image Faults 11-53
IV. Copy Paper Jam 11-75 B. Faulty Feeding 11-78
VI. Variable Resistors (VR) and Check Pins by PCB .......... 11-84
VII...
Service Manual - Page 13
... 70% and 141% in 1% increments.
2. The user may contain as many as a single entity (cartridge).
FEATURES
1. multifeeder type).
7. ADF Type • Continuous copying is 0 sec (at maximum (1/100 to make jam removal easy.
8. Personal Copier with the use of a roller charging method has resulted in -One Cartridge for Simple Maintenance • The...
Service Manual - Page 29
...making copies or if an error
exists. • The auto power-off mechanism does not operate while feeder cleaning mode is being
executed. Zoom
Figure 1-501
2) Place about 10 sheets of blank copy... in Feeder Cleaning Mode 1) Turn on the original tray of the ADF. 3) Press the Copy Start key.
• Copy paper will indicate 'U6'.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU...
Service Manual - Page 85
... from the cam gear [2] (so that the lever will move to the Direct position.
3) Check to make sure that the tip of the lever [1] of the No. 4/5 mirror mount and the marking [3] on...[2] [1]
2) While keeping the condition in step 1), turn off the power. • The lens will not come into contact when the cam gear rotates).
2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU...
Service Manual - Page 104
Reference: While the transfer charging roller makes a single rotation, the microprocessor (Q900) checks the transfer current detection signal four ...T_FW_S), and varies the transfer bias applied to the transfer charging roller during initial rotation executed each time the Copy Start key is switched by the transfer bias ON signal (serial signal) generated by the deterioration of the ...
Service Manual - Page 114
...steps 5) through 8) so that the values of its place, place five blank sheets of copy paper, and close the copyboard cover.
8) Turn VR103 on the DC controller PCB so...density of both VR102 and VR103 are too light, go back to step 5) and make adjustments once again.
10) Make a copy, and check to make sure that the reading of the indicator is from the copyboard;
CHAPTER 4 IMAGE FORMATION ...
Service Manual - Page 115
... of the side blanking lamp in Direct and Reduce mode B: Position of the side blanking lamp in relation to prevent
adhesion of excess toner when making reduced copies.
2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-21
CHAPTER 4 IMAGE FORMATION SYSTEM
G.
Service Manual - Page 117
... long time, the photosensitive drum can develop photo memory,
which can cause white spots or black bands on copies. b. To prevent photo memory, the machine is removed from light. Outline The machine's ...
a. Drum Cover Shutter If exposed to protect the photosensitive drum from the machine, light makes its way through the opening used
to expose images. As in a single container referred ...
Service Manual - Page 118
Do not use a flannel cloth. If exposed to a level at which it rotates when
making copies. If you must clean it to 30000 lux.
4-24
COPYRIGHT © 1999 CANON INC.
Reference: If the photosensitive drum is left alone for an appreciable ...
Service Manual - Page 130
...on , the drive of the main motor (M1)
reaches the cam gear. The cam gear makes a 180° turn (approximate), causing the paper guide plate to rotate in response, the lifter...M1
SL4 Cam gear
Paper guide plate SL1
Copy paper
Spring clutch Cam gear
Control ring Claw
Lifter
Paper guide plate
Multifeeder pickup roller
Toothless section
The cam gear makes a 180˚ turn (approximate), and ...
Service Manual - Page 136
... Vertical path roller
Figure 5-114 (Single-feeder type)
5-12
COPYRIGHT © 1999 CANON INC.
The machine is opened and closed for the removal of copies to make at power-on, the machine will identify the condition as programmed in other words, it will be reset to standard mode when it is not...
Service Manual - Page 145
... gear unit has moved up as far as to remove the pickup roller [11]. Pickup gear unit
Figure 5-206
COPYRIGHT © 1999 CANON INC.
then, make a copy using the multifeeder. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
5-21
Hex wrench [10]
Pickup roller shaft [11]
Figure 5-205...
Service Manual - Page 152
... Assembly
1. CHAPTER 5 PICK-UP/FEEDING SYSTEM
B. Pickup gear unit
Figure 5-220
5-28
COPYRIGHT © 1999 CANON INC. then, se- then, make a copy using the multifeeder. lect the multifeeder, and press the Copy Start key. 2) When the pickup gear unit has moved as far as it can, turn off the power switch. 3) Mount the...
Service Manual - Page 168
... according to the following two parameters: • Temperature of the fixing heater when the Copy Start key is pressed. • Number of copies to make in continuous copying mode
Table 6-102 shows the temperature of the fixing heater when the Copy Start key is pressed (as detected by the thermistor TH1) and the temperatures to...
Service Manual - Page 182
... on the other hand, the fan will not rotate if no more than one copy is made or while making the first copy of a continuous copying job. (It rotates when making the second and subsequent copies of a continuous copying job.)
Power switch Copy Start key ON ON
STBY INTR
SCFW
SCRV
SCFW
SCRV LSTR STBY
Main motor (M1...
Service Manual - Page 194
lect the multifeeder as the source of paper, and press the Copy Start key. 2) When the pickup gear unit assembly has moved to perform the ... mounting the multifeeder unit, be sure to its upper limit, turn off the power switch. 3) Mount the multifeeder, and make one copy using it as the source of the ma-
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
5) Remove the two screws [5] from the
[5]...
Service Manual - Page 250
...
specified are all in place.
21 Place copy paper inside the cassette. (For how, see if the operation is in English. "Placing Copy Paper.")
22 All notations on the copyboard glass, • Check to make sure that come with the machine and stick it.
rect.
• Check to make copies to the ADF is cor-
CHAPTER...
Service Manual - Page 314
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 ...following as shown.
CHAPTER 11 TROUBLESHOOTING
8. Figure 11-302
2) Set the cartridge back into the machine, and make copies. • If the copies are normal, You may continue to have white lines or spots as necessary: 1) Take out the cartridge from ...
Service Manual - Page 320
... problem corrected? Cartridge
YES/NO
Action
YES Check the fixing
assembly. YES Inform the user that the cartridge is foggy vertically. 8 The copy has black lines. (vertical, fuzzy, thick) 9 The copy has black lines. (vertical, fine)
Cause Scanner
Transfer guide assembly Cartridge
Step 1
2
Checks Clean the scanning lamp, reflecting plate, lens, and mirror. Is...
Service Manual - Page 322
... a misplaced 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.
to use a recommended
type. Check the solenoid
(SL2) operate normally?
(SL2).
2.
YES/NO NO
YES
NO YES
Action Try...
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