Page 2 IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF REFERENCE FOR WORK IN THE FIELD. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.
Page 3 CHAPTER 10, “Troubleshooting,” provides tables of maintenance/inspection, stan- dards/adjustments, and problem identification (image fault/malfunction). Appendix contains a general timing chart and general circuit diagrams. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 4 All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins and be able to identify and isolate faults in the machine. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 5: Table Of Contents
Unit ........3-10 Controlling the Scanning Lamp..3-7 B. Copyboard Drive Assembly...3-11 A. Outline ........3-7 Detaching the Copyboard B. Operations ......3-8 Drive Assembly ....3-11 Turning the Scanning Lamp COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 6 C. Controlling the Supply Power to A. Outline ........6-1 the Fixing Heater ....6-3 B. Controlling the Fixing Heater D. Protection Mechanisms ..6-5 Temperature......6-3 MECHANICAL SYSTEM....6-6 A. Fixing Assembly......6-7 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 7 Image Leading Edge Non- Procedure ......10-3 Image Width (position of white paint on back of glass)..10-5 B. Points to Note .......10-4 STANDARDS AND Image Leading Edge Margin COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 8 Pick-Up Assembly..10-31 (paper feed direction)..10-19 Separation/Feeding Assembly 11. The copy has white lines ........10-31 (paper feed direction)..10-19 Fixing/Delivery Assembly 12. The copy has white spots ........10-32 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 9 VII. SELF DIAGNOSIS ....10-40 APPENDIX A. GENERAL TIMING CHART ..A-1 C. GENERAL CIRCUIT DIAGRAM...A-5 B. SIGNALS/ABBREVIATIONS LISTA-3 D. SPECIAL TOOLS TABLE .....A-7 Signals........A-3 E. SOLVENTS/OILS TABLE .....A-8 Abbreviations......A-4 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 11: General Description
H. When Not Using the Copier for a IV. OPERATION ........1-6 Long Time ......1-16 A. Control Panel ......1-6 V. IMAGE FORMATION ....1-17 B. Making Copies ......1-8 A. Outline........1-17 C. Jam Indicator......1-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 13: Features
A stack of copy paper may be placed on the pick-up tray. A press on the Copy Start key is all it takes to generate multiple copies. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 14: Specifications
9 copies (approx.; A4/LTR, 80 g/m Non-image width 2 mm (leading edge) A4: 0 mm (left/right) LTR/LGL: 2 mm (left/right) Auto power-off Available (5 min, approx.) *PC430 only. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 15 Weight (including cartridge) 16.6 lb/7.4 kg (approx.) Copy paper Keep wrapped to protect against humidity. Consumables Cartridge See CHAPTER 9. Specifications subject to change without notice. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 16: Names Of Parts
Pick-up tray Delivery assembly cover Open/Close button Copy tray Figure 1-301A Upper cover Pick-up guide Density correction switch Power switch Cartridge Figure 1-302A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 17: Cross Section
Fixing assembly Scanning lamp Delivery roller Lens array Delivery tray Developing cylinder Heat exhaust fan Registration roller Delivery assembly cover Pick-up roller open/close button Figure 1-301B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 18: Operation
‘ ’ is • The density is switched by varying the developing bias. displayed in response to an error found by self diagnosis. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 19 • Goes and remains ON when an error (self diagnosis) occurs in the copier. Main Indicator • Remains ON when copying is ready. Power Switch COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 20: Making Copies
6) Set the copy count. PC420/430/FC220 Set the number of copies to make (1 to 9 or F) using the + key, and check the Copy Count indicator. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 21: Pc420/430/Fc220
Remove the paper when the film begins to move into the copier; the paper will no longer serve its purpose. Figure 1-404B Note: Take away each OHP film delivered to the copy tray. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 22: Pc400/Fc200
You can make two- or three-colored copies by replacing the cartridge. • Use paper of 64 to 128 g/m when making overlay copies. • Do not process each side more than three times. 1-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 23: Jam Indicator
1. Time to Replace the Cartridge When the cartridge is running out of toner, copies tend to show white lines or vertical white spots (Figure 1-401E). Figure 1-401E 1-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 24: Replacing The Cartridge
2) Slide the cartridge out of the copier. 3) Hold the cartridge with the Warning label facing up, and rotate it about 90 degrees in both directions. Figure 1-403E 1-12 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 25 6) Close the top cover, and return the copyboard to the center. Note: You can replace the black toner cartridge with any color cartridge the same way. 1-13 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 26: Changing The Density
Wipe the part with a moist cloth; then, dry wipe it. If dirt cannot be removed, wipe the part using mild detergent; then, dry wipe it. 1-14 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 27: Lens Array
3) Open the upper cover, and remove the cartridge. 4) Put a flat-tipped cotton wad in the lens array (rear) groove, and move it back and forth. Figure 1-402G 1-15 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 28: Pick-Up Roller
Advise the user to perform the following if she/he does not have any plan to use the copier for a long time. 1) Disconnect the power plug. 2) Place the copier in a dust-free, sunlight-free place. 1-16 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 29: Image Formation
The photosensitive drum has a layer construction: the photoconductive layer on the outside and the conductive alu minum base, inside. Photoconductive layer Aluminum base Figure 1-503A 1-17 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 31: Basic Operation
A. Outline ........2-1 E. Inputs to DC Controller ...2-6 B. Outline of Electrical Circuit..2-2 Outputs from DC Controller ..2-8 C. Basic Sequence of Operations (A4, 2 copies)......2-3 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 33: Outline
Primary charg- ing roller Photo- Drum sensitive Developing cleaning drum assembly Transfer/ Pick-up Separation Feeding control assembly Copy tray Fixing assembly/Delivery assembly Pick-up/Feeding Block Figure 2-101A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 34: Outline Of Electrical Circuit
+DC5V Sub power DC power supply circuit supply PCB Heater Door Delivery Relay switch door AC driver AC load switch Driver Scanning lamp Figure 2-101B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 35: Basic Sequence Of Operations (A4, 2 Copies)
Primary DC bias Transfer charging Copyboard drive solenoid (SL2) Pick-up solenoid * Registration solenoid ** Registration roller Fixing heater (H1) *PC420/430/FC220 **PC400/FC200 Figure 2-101C COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 36 After CBRV for the last Discharges the last copy. (Last Rotation) copy is over until 3 sec after the copy paper has moved past the delivery sensor. Table 2-101C COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 37: Main Motor Control Circuit
Main motor drive Main motor command (MMD) Q901 Motor rotation detection PCB Q101 Main motor clock pulse signal (MMCLK) DC controller/DC power supply PCB Figure 2-101D COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 38: Inputs To Dc Controller
(turn to darken brings it closer to 0V) J601-22(-17) J202-1 dial/lever Control panel PCB Note: The pin No. in parentheses refers to the PC400/FC200. Figure 2-101E COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 39 Q131 KEYR0 When Q131 detects copy paper, oscillation signal (DGT2) is input. Note: The pin No. in parentheses refers to the PC400/FC200. Figure 2-102E COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 40: Outputs From Dc Controller
Scanning See Chap.3. lamp Lamp PCB +24V J903 J201 Main motor M1 When ‘0’, main motor goes ON. High voltage See Chap.4. output Figure 2-101F COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 41 J101 Copyboard drive CBSD When ‘0’, SL2 goes ON. solenoid (voltage to SL2 is switched between 24V and 15V to ensure stable operation) Figure 2-103F COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 43 Scanning Lamp (VR604) ..3-8 B. Copyboard Drive System..3-1 III. MECHANICAL SYSTEM....3-9 Controlling the Scanning Lamp..3-7 A. Scanning System....3-10 A. Outline ........3-7 B. Copyboard Drive Assembly...3-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 45: Exposure/Copyboard Drive System
Copyboard Start Copyboard Reversal Home Copyboard Home Position (SP) Position Position Position (HP) Copyboard Reverse Forward Reverse Stop Copier Continuous copying Figure 3-101B Front View COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 46 (continuous copying). • Scanning lamp OFF. • For the last copy, the copy board drive solenoid goes OFF at the copyboard home position. Q902:ON Table 3-101B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 47: Controlling The Copyboard
DC controller/ Forward/Reverse DC power Forward Reverse switching mechanism gear supply PCB gear J201 Main motor drive command (MMD) Main motor Figure 3-102B Front View COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 48: Mechanism Of Copyboard Drive Assembly
The direction (forward/reverse) is switched when the copyboard drive solenoid is OFF. ii. The direction of the drive is maintained while the copyboard drive solenoid is Table 3-102B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 49 Copyboard drive gear Reversing gear Forward/Reverse switching mechanism Reverse Main motor Copyboard drive solenoid (SL2) Figure 3-104B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 50 Copyboard drive gear Forward gear Forward Forward/Reversal switching Start position mechanism Main motor Copyboard drive solenoid (SL2) Figure 3-105B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 51: Controlling The Scanning Lamp
Lamp intensity sensor signal (LID) (-5) Amplifier circuit Control panel PCB DC controller/DC power supply PCB The number within parentheses represents the PC400/FC200. FIgure 3-201A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 52: Operations
You must adjust the intensity of the lamp if you have replaced the scanning lamp unit, intensity sensor or control panel PCB; see p.10-6. Note: You must adjust the AE mechanism after adjusting the intensity. (PC420/430/FC220) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 53: Mechanical System
5. The fixing screw for the grounding wire and varistors is fitted with a washer to ensure electric continuity; be sure to use the washer for reassembly. 6. If possible, avoid operating the machine with any of its parts removed. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 54: Detaching The Scanning Lamp
Scanning lamp unit scanning lamp unit; see Figure 3- 302A. Figure 3-302A 3-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 55: Detaching The Copyboard
(rear) Figure 3-302B Note: Take extra care not to damage the teeth of the gear when lifting the copyboard drive assembly. 3-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 56 4) Remove the four screws ( , M4X8, yellow; , M3X6, white), and detach the copyboard drive assembly if to lift it. Figure 3-303B 3-12 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 57: Image Formation System
C. Primary Charging Control Circuit A. Cartridge .......4-17 ..........4-3 III. MECHANICAL SYSTEM....4-18 D. Controlling Developing Bias..4-6 A. Photosensitive Drum.....4-19 E. Transfer Charging Control Circuit B. Transfer Charging Roller..4-20 ..........4-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 59: Process Description
Transfer Control panel charging roller J601-10 J202-13 DC controller/DC power supply PCB Note : The AE sensor is provided for the PC420/430/FC220 only. Figure 4-101A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 60: Sequence Of Image Formation Operations (A4, 2 Copies)
Primary DC bias : -625V : Transfer : -400V Developing DC bias : -120V to -560V (variable according to density control dial/ lever, AE) Figure 4-401B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 61: Primary Charging Control Circuit
(HVPDC) and AC bias ON command (HVPAC), respectively. Reference: Unless the document is being illuminated, the DC bias is switched to -230V to prevent adhesion of toner on the photosensitive drum. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 62: Operations
Transformer T106 DC bias goes OFF. HVPAC=0 Oscillation control circuit goes OFF. Transformer T103 goes OFF. Primary charging (DC bias + AC bias) goes OFF. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 63 Transformer Transformer (T103) (T106) Photo- sensitive drum Amplifier Oscillation control circuit DC bias control circuit Oscillation circuit Microprocessor DC controller/DC power supply PCB Figure 4-101C COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 64: Controlling Developing Bias
Density Control Lever (darker) (lighter) -100 -200 -300 -400 -500 Developing bias DC component (V) Figure 4-101D Manual Density Control (PC400/FC200) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 65 Test Chart Newspaper -100 -200 -300 AE2 (dark) -400 AE0 (light) -500 (SW606) Developing bias DC component (V) Figure 4-103D Automatic Density Control (PC420/430/FC220) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 66: Operations
The voltage level of the DC bias is controlled by varying the pulse width of the DC bias control command (DCBPWM). While the photosensitive drum is rotating except during development, about -400 V is applied to the developing cylinder. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 67 Developing Q146 cylinder Amplifier AE signal Density control dial VR601 J202 Density correction switch SW606 Control panel Microprocessor DC controller/DC power supply PCB Figure 4-104D COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 68: Transfer Charging Control Circuit
Measurement mode Transfer (negative DC bias) Cleaning mode (positive DC bias) 4-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 69: Operations
ON to apply a negative DC bias to the transfer charging roller. TREV=1 Positive bias control circuit goes OFF. Multiplier/rectifier circuit goes OFF. 4-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 70 Cleaning mode is selected, apply- ing a positive DC bias to the transfer charging roller. HVTDC=0, DCTPWM=0 Oscillation circuit goes OFF. Pulse/DC converter circuit goes OFF. 4-12 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 71 Rectifier circuit circuit Current Constant current sensor control circuit circuit Pulse/DC Current limiter converter circuit circuit Microprocessor DC controller/DC power supply PCB Figure 4-101E 4-13 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 72: Document Density Measurement (Ae; Pc420/430/Fc220)
Copy Start key ON Sequence STBY INTR COPY Copyboard CBFW CBRV STOP Main motor (M1) Copyboard position sensor (Q902) measurement Developing DC bias Figure 4-101F 4-14 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 73 You must adjust the AE mechanism if you have replaced the scanning lamp unit, control panel PCB, or intensity/AE sensor; see p.10-8. Note: Adjust the AE mechanism only after adjusting the intensity of the scanning lamp. 4-15 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 74 DC bias VR602 DCBPWM control circuit VR603 J601 J202 AE signal Microprocessor Amplifier circuit DC controller/DC power supply PCB Control panel PCB Figure 4-103F 4-16 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 75: Charging, Developing, And Cleaning Systems
The absence of a cartridge inside the copier allows light to enter the inside of the copier from the opening created for exposure. The light-blocking shutter is provided to protect the photosensitive drum against intrusion of such light. 4-17 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 76: Iii.mechanical System
6. If possible, avoid operating the machine with any of its parts removed. 4-18 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 77: Photosensitive Drum
However, you must try to avoid any exposure at all cost. (The rays of the sun have intensities ranging between about 10000 and 30000 lux.) 4-19 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 78: Transfer Charging Roller
Make sure that the spring is fitted over the boss in the center of the hook when attaching the transfer charging roller; see Figure 4-302B. Figure 4-302B 4-20 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 79 (A4, 2 copies)......5-5 B. Registration Roller Assembly IV. CHECKING FOR JAMS....5-6 ..........5-14 A. Delivery Delay Jam ....5-6 C. Removing the Separation Pad B. Delivery Stationary Jam..5-7 ..........5-15 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 81: Outline
Pick-up sensor (Q131) Delivery Pick-up sensor roller (Q801) Registration roller Registration *Spring clutch solenoid Registration clutch* Main motor Pick-up sensor (Q131) (PC400/FC200) Figure 5-101 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 82: Controlling The Pick-Up Roller
At the time, copy paper is picked up and butted against the registration roller, forming an arch. Pick-up solenoid (SL1) Claw Copy paper Spring clutch Pick-up direction Control ring Main motor Pick-up roller Figure 5-201A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 83: Pc400/Fc200
The condition causes the copy paper to butt against the registration roller. Copy paper Pick-up direction Pick-up rollers Main motor Sensor lever Pick-up sensor (Q131) DC controller/DC power supply PCB FIgure 5-201B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 84: Controlling The Registration Roller
Pick-up sensor (Q131; PC420/ 430/FC220) Lower registration rollers when registration roller is ON when registration roller is OFF DC controller/DC power supply PCB Figure 5-301A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 85: Pick-Up/Feeding Timing Chart (A4, 2 Copies)
Copyboard position sensor (Q902) Copyboard drive solenoid (SL2) Fixing heater (H1) Registration solenoid (SL1) Pick-up sensor (Q131) *Pick-up sensor (Q131) detects copy paper. Figure 5-302B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 86: Checking For Jams
Main motor (M1) Copyboard posi- tion sensor (Q902) Pick-up sensor (Q131) Delivery sensor normal error (Q801) 8 sec 8 sec Jam check Figure 5-402A (A4) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 87: Delivery Stationary Jam
Copyboard posi- tion sensor (Q902) Pick-up sensor (Q131) Delivery sensor normal error normal (Q801) 6.5 sec 4 sec 4 sec Jam check Figure 5-402B (A4) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 88: Pick-Up Delay Jam (Pc420/430/Fc220)
(Q801) Jam check Note: A jam is identified if the pick-up sensor is ON 0.2 sec after the pick-up solenoid has gone OFF. Figure 5-401C COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 89: Pick-Up Stationary Jam
Figure 5-402D (A4) E. Paper is present at the pick-up or delivery sensor at time of power-on or when the Copy Start key is pressed. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 90: Mechanical System
6. If possible, avoid operating the machine with any of its parts removed. 5-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 91: Pick-Up Roller Assembly
Figure 5-501A (right rear view) 3) Remove the spring , and detach the claw of the control ring by pulling it up. Figure 5-502A 5-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 92 Figure 5-504A 6) Disengage the hook , and detach the pick-up roller from the pick-up roller shaft Figure 5-505A 5-12 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 93 1) Detach the body cover. 2) Bend the pick-up roller support and detach the pick-up roller from the rear by pulling it to the front. Figure 5-506A 5-13 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 94: Registration Roller Assembly
Figure 5-502B is between the upper and lower registration rollers. Sheet Registration roller (lower) Figure 5-502B 5-14 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 95: Removing The Separation Pad
1) Remove the pick-up roller assembly Figure 5-501C 2) Open up the feeding guide , and remove the separation guide Push Push Figure 5-502C 5-15 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 97: Fixing System
C. Controlling the Supply Power to A. Outline ........6-1 the Fixing Heater ....6-3 B. Controlling the Fixing Heater D. Protection Mechanisms ..6-5 Temperature......6-3 MECHANICAL SYSTEM....6-6 A. Fixing Assembly......6-7 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 99: Outline Of Operations
Based on the signal, the microprocessor of the DC controller/DC power supply circuit controls the temperature of the fixing heater by the fixing heater drive command (HTRD). COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 100 Fixing heater drive command (HTRD) DC controller/DC power supply PCB Figure 6-101A Fixing film Fixing heater Main motor Delivery roller Pressure roller Figure 6-102A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 101: Controlling The Supply Power To The Fixing Heater
Reference VPEAK voltage sensor circuit Microprocessor Zero-cross ZXDP signal generator circuit DC controller/DC power supply PCB Figure 6-101C COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 102 CHAPTER 6 FIXING SYSTEM AC input signal ZXDP signal VPEAK signal HTRD Supply power to heater Figure 6-102C COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 103: Protection Mechanisms
3. The thermal fuse (FU2) blows after it has reached 228°C and a specific time has passed to cut off the power to the fixing heater. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 104: Mechanical System
5. The fixing screw for the grounding wire and varistors is fitted with a washer to ensure electric continuity; be sure to use the washer for reassembly. 6. If possible, avoid operating the machine with any of its parts removed. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 105: Fixing Assembly
Fixing film (lower roller) Inlet guide Figure 6-201A 2. Detaching the Fixing Assembly 1) Detach the body cover. 2) Disconnect the three connectors Figure 6-202A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 106 3) While lifting the hook , slide the delivery door switch to the front to remove. Figure 6-203A 4) Detach the drive belt Figure 6-204A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 107: Removing The Fixing Upper Unit
3. Removing the Fixing Upper Unit 1) Remove the fixing assembly. 2) Remove the harness , and remove the hook ; then, remove the harness holder Figure 6-206A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 108 (rear) Figure 6-208A 5) Remove the two screws , and turn the upper stay in the direction of the arrow to remove. Figure 6-209A 6-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 111 B. Copyboard Assembly....7-9 B. Power Supply PCB ....7-2 C. DC Controller/DC Power Supply C. Protection Mechanism for Power PCB........7-11 Supply Circuit......7-2 D. Control Panel PCB....7-14 MECHANICAL SYSTEM....7-3 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 112: Chapter 7 Externals/Auxiliary Mechanisms
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS Blank Page COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 113: Power Supply
Main motor (M1) assembly DC power +24VR DC load supply assembly Solenoids, etc. Control panel T106 Sensor Main transformer Photointerrupter DC controller/DC power supply PCB Figure 7-101A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 114: Power Supply Pcb
(T106), it causes the relay to go OFF, thus cutting the power output. If this hap- pens, remove the cause and switch the copier ON to reset. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 115: Ii.mechanical System
5. The fixing screw for the grounding wire and varistors is fitted with a washer to ensure electric continuity; be sure to use the washer for reassembly. 6. If possible, avoid operating the machine with any of its parts removed. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 116: External Covers
Figure 7-202A Note: When attaching the PC400/FC200 control panel cover, fit the VR on the control panel PCB into the groove of the density control lever. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 117: Detaching The Body Cover
7) Push the hook found down the hole in the body cover with a screwdriver, and lift the body cover slightly. Figure 7-204A (right view) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 118 10) Disengage the two hooks at the front as if to pull the body cover to the front. 11) Detach the body cover by lifting it. Figure 7-207A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 119: Detaching The Top Cover
“close,” and match the D-cut of the hinge with the cut in the bushing; then, remove it from the front. Figure 7-210A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 120 1) Place the copier with the delivery assembly at the bottom; then, remove the two screws (M4X10; black) 2) Disengage the five hooks , and detach the bottom cover Figure 7-211A COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 121: Copyboard Assembly
2. Detaching the Copyboard 1) Move the copyboard to the left until it stops, and remove the screws ( , M3X6, white; , M4X10, black). Figure 7-203B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 122 1. Do not disassemble the rail. 2. To attach the copyboard, fit the copyboard glass into the rail at the front, and screw the rear rail portion in place. 7-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 123: Dc Controller/Dc Power Supply Pcb
6) Hold the flat cable with both hands, and detach them from the connector by lifting them straight up. 7) Disconnect the connector Figure 7-202C (front) 7-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 124 When attaching controller/DC power supply PCB, make sure that lead wires are not bitten or shorted, or the connectors are not disconnected. Figure 7-204C 7-12 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 125: Points To Note When Installing The Delivery Door Switch
When inserting the fastons into the door switch, make sure that the correct fastons are connected as Fastons identified by color (Figure 7-205C). (gray harness) Figure 7-205C 7-13 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 126: Control Panel Pcb
Figure 7-201D connector by lifting them straight up. 4) Disengage the hook , and detach the control panel PCB by pulling it 7-14 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 127: Chapter 8 Installation
SELECTING THE SITE ....8-1 III. RELOCATING THE MACHINE ..8-5 UNPACKING AND INSTALLATION .............8-2 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 129 The copier must be at least 3.9 in. from all walls, enabling sufficient space for maintenance and copying work. 10cm/ 3.9in. min 10cm/3.9in. min Figure 8-101 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 130 Cardboard Transfer charging roller Take out the cartridge from the bag. (If the cartridge is installed in the copier, pull it out to the front.) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 131 Hold the cartridge with its Warning label facing left, and slide in the cartridge slowly until it stops. Close the top cover, and return it to the center. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 132 • Check that ‘P’ is indicated when the Copy Start key is pressed without setting copy paper (PC420/430/FC220). Clean the exterior of the copier and the area around it. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 133 Tape the top cover in place. Place a sheet of A4/LTR paper on the copyboard, and tape the copyboard in place. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 135 PERIODICALLY REPLACED PARTS IV. NOTES ABOUT CARTRIDGE ..9-2 .............9-1 A. Storing Sealed Cartridges..9-2 DURABLES........9-1 B. Storing and Handling Unsealed III. PERIODICAL SERVICING ..9-1 Cartridges .......9-3 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 136: Chapter 9 Maintenance And Servicing
CHAPTER 9 MAINTENANCE AND SERVICING Blank Page COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 137: Periodically Replaced Parts
II. DURABLES The machine does not have parts which are classified as durables. III. PERIODICAL SERVICING The machine does not have parts that require periodical servicing. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 138: Notes About Cartridge
460 to 760 mmHg (0.1 to 1 atm) Table 9-401A Temperature/Humidity Specifications Temperature Humidity -20° to 40°C/-4° to 104°F 90% or less Table 9-402A Transportation COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 139: Storing Unsealed Cartridges
90° to even out the toner inside it. Do not shake the cartridge or hold it in a different way; otherwise, toner may leak out the cartridge. Figure 9-401B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 140 CHAPTER 9 MAINTENANCE AND SERVICING b. Do not place the cartridge upright or upside down; do not shake it. Figure 9-402B COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 141 However, you must try to avoid any exposure. (The rays of the sun have intensities ranging between about 10000 and 30000 lux.) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 143: A. Image Adjustment Basic Procedure
C. Troubleshooting by Image Fault D. Printed Circuit Board (PCB)10-37 ..........10-17 E. Variable Resistors (VR) and IV. TROUBLESHOOTING Check Pins by PCB ....10-38 MALFUNCTIONS.....10-24 VII. SELF DIAGNOSIS ....10-40 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 145 If you want to find out the action to take or the steps to correct a specific problem, go through the steps in order. Answer YES or NO to the questions under "Checks," and take the action indicated accordingly. 10-1 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 146 "Measure the voltage between J109-1 (+) and J109-2 (-) on the DC controller PCB." Connect the positive probe of the meter to the terminal marked (+) and the negative probe to the terminal marked (-). 10-2 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 147: Maintenance And Inspection
(see “Troubleshooting by Image fault; see “Troubleshooting by Image Fault.” Fault”). 4. For instructions on how to adjust the intensity of light, see p. 10-6. 10-3 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 148: Points To Note
Pick-up roller assembly Tools/Solvents Parts Remarks Pick-up roller Well-wrung Cleaning moist cloth; or, alcohol Registration assembly Parts Tools/Solvents Remarks Registration Well-wrung Cleaning roller moist cloth 10-4 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 149: Standards And Adjustments
The leading edge margin must be 0.2 to 5.0 mm when the Test Sheet is copied. To adjust, move the position of the registration cam. 0.2 to 5.0 [mm] Figure 10-203A 10-5 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 150: Electrical
5) Attach the new control panel PCB to the copier. B (VR603) A (VR602) C (VR604) Control panel PCB C (R614) B (JP621) A (JP607) Figure 10-201B (PC420/430/FC220) 10-6 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 151 6) Repeat steps 4) and 5) until the density is optimum. Notes: After adjusting the intensity, be sure to adjust the AE mechanism (PC420/430/FC220). 10-7 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 152: Adjusting The Ae Mechanism (Vr602, Vr603)
3) Turn VR602 and VR603 on the control panel PCB fully clockwise. 4) Place a newspaper over the AE light-receiving section of the copyboard, and close the copyboard cover. AE light-receiving section Figure 10-203B 10-8 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 153 (D606; +) and JP607 (GND) is 4.0 ±0.1 V. Notes: You must use a Digital Multimeter when making adjustments in steps 8) and 10). 10-9 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 154 Turn VR602 clockwise slightly. • If text density is low, Turn VR602 counterclockwise slightly. 17) Repeat steps 15) and 16) until the density is optimum. 10-10 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 155: Image Troubleshooting
Diazo copies or translucent documents tend to produce copies that may be mistaken for foggy copies. d. Documents prepared in light pencil tend to produce copies that may be mistaken for light copies. 10-11 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 156: Checking The Copyboard Cover And Copyboard Glass For Dirt And Scratches
Check the feeding assembly for dirt. If dirt is found, clean it with a moist cloth. 7. Checking the Copy Paper a. Check to see if paper of a type recommended by Canon is used. b. Check to make sure that the paper is not moist. Try paper fresh out of package.
Page 157 • The user may use the cartridge for some time more; however, advise the user to procure a replacement cartridge. b. If the copies fail to return to normal, • Replace the cartridge as described in “Replacing the Cartridge.” 10-13 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 158: Others
The same holds true of the cartridge. After having moved the cartridge from a cold to warm room, leave it alone for about one to two hours before unpacking it. 10-14 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 160: Samples Of Image Faults
CHAPTER 10 TROUBLESHOOTING B. Samples of Image Faults not available 10-16 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 161: Troubleshooting By Image Fault
Cartridge Replace the cartridge. End. Is the problem corrected? DC controller/DC Replace the DC controller/ power supply PCB DC power supply PCB. 10-17 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 162: The Copy Has Uneven Density (Darker At Front)
2. Check the developing bias. Grounding spring Check to make sure if the grounding spring is prop- erly attached in front of the cartridge. 10-18 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 163: The Copy Is Foggy (Paper Feed Direction)
Is there foreign matter or Remove the foreign scratches on the transfer matter, or replace the charging roller? transfer charging roller. Cartridge Replace the cartridge. 10-19 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 164: The Copy Has White Spots
4. Check the cartridge for leakage of toner. Feeding assembly Is the feeding assembly soiled? Clean the feeding assembly. Delivery roller Clean the delivery roller. 10-20 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 165: The Copy Has Faulty Fixing
Canon? Copy paper Try copy paper of a type recommended by Canon; if the results are good, advise the user to use recommended paper. 10-21 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 166: The Copy Has A Blurred Image
Scanner Clean the scanning lamp, End. reflecting plate, and lens. Cartridge Replace the cartridge. Is the problem corrected? 10-22 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 167: The Copy Is Blank
Remedies Is the scanning lamp ON during Check if the cartridge is copying operation? set properly. See “The scanning lamp fails to go ON.” 10-23 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 168: Troubleshooting Malfunctions
Is the voltage lower than that supply PCB to the ther- measured in step 1? mistor (TH1); if normal, replace the fixing assem- bly. 10-24 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 169 Check the harness from power supply PCB the control panel PCB to the DC controller/DC power supply PCB; if normal, replace/DC power supply PCB. 10-25 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 170: Ac Power Is Absent
Replace the fixing assembly. End. Is the problem corrected? Replace the DC controller/ (fixing heater error temperature DC power supply PCB. detection circuit ON) 10-26 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 171: Pick-Up Fails
Is the connector of the scanning Replace the DC controller/ power supply PCB lamp connected firmly? DC power supply PCB. Connector Re-connect the connector. 10-27 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 172: The Main Motor Fails To Rotate
PCB; if normal, replace between terminals of SL2. the DC controller/DC Is it about 120 ? power supply PCB. Copyboard drive Check the solenoid (SL2). solenoid (SL2) 10-28 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 173: (Paper Feeding Normally)
Fixing assembly Replace the fixing assembly. End. Is the problem corrected? DC controller/DC Replace the DC controller/ power supply PCB DC power supply PCB. 10-29 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 174: Troubleshooting Paper Feed Problems
Jams can be classified according to location within the copier: Pick-up assembly Separation/feeding assembly Fixing/delivery assembly The discussions that follow are organized with reference to these assemblies. Figure 10-501A 10-30 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 175: Pick-Up Assembly
Spring (for registration 1. Check the spring. control), 2. Check the spring clutch Spring clutch in the registration (registration assembly) assembly. 10-31 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 176: Fixing/Delivery Assembly
Delivery roller Is the delivery sensor (Q801) Check the delivery roller assembly PCB normal? assembly. Delivery sensor PCB Replace the delivery sensor PCB. 10-32 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 177: Feeding Faults
Is the inlet guide soiled with Clean it using solvent. Inlet guide foreign matter or toner? Check the fixing assembly. Fixing assembly 10-33 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 178: Of Electrical Parts
Delivery assembly paper sensor Q901 Motor rotation sensor Q902 Copyboard position sensor Photodiode PD601 Intensity sensor PD602 AE sensor Solenoid Pick-up/registration solenoid Copyboard drive solenoid 10-34 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 179: Switches
SW604 SW606 Figure 10-601B Symbol Name Notation Description Switch Top cover switch Delivery assembly door switch Switch SW604 Power switch SW606 Density 3-setting switch 10-35 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 180: Lamp, Heater, Motor, And Others
C. Lamp, Heater, Motor, and Others Figure 10-601C Symbol Name Notation Description Heater Fixing heater Motor Main motor Thermistor Fixing heater temperature detection Thermal fuse Fixing heater overheating detection 10-36 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 181: Printed Circuit Board (Pcb)10-37
Scanning lamp PCB Scanning lamp (LA1-LA8) Delivery sensor PCB Detects delivery Motor rotation sensor PCB Detects main motor rotation Copyboard position sensor PCB Detects copyboard position 10-37 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 182: Variable Resistors (Vr) And Check Pins By Pcb
1. DC Controller/DC Power Supply PCB J101 J102 (T107) J103 J108 J104 VR103 VR102 VR101 Note: The pin No. in parentheses refers to the PC400/FC200. Figure 10-601E 10-38 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 183 VR604 Use it to adjust the light intensity (use it only after replacing the scanning lamp unit, intensity sensor, AE sensor, or control panel PCB). Table 10-601E 10-39 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 184: Self Diagnosis
If an error associated with ‘E0’ is detected, ‘ ’ is displayed (PC420/430/FC220) or the Jam indicator (PC400/FC200) remains ON for about 0.5 sec.; thereafter, the power goes out. 10-40 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 185 3. Activation of self diagnosis forces the fixing heater (H1) and main motor (M1) OFF. 10-41 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 187 APPENDIX A. GENERAL TIMING CHART ..A-1 D. SPECIAL TOOLS TABLE .....A-7 B. SIGNALS/ABBREVIATIONS LISTA-3 E. SOLVENTS/OILS TABLE .....A-8 C. GENERAL CIRCUIT DIAGRAM...A-5 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 188: General Timing Chart
Developing AC bias -400V -130 to -550V Developing DC bias Transfer Pick-up sensor (Q131) Registration solenoid (SL1) 13 Delivery sensor (Q801) * Cleaning mode. ** Measurement mode. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 189 Developing AC bias -400V -120 to -560V Developing DC bias Transfer Pick-up sensor (Q131) Pick-up solenoid (SL1) Delivery sensor (Q801) * Cleaning mode. ** Measurement mode. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 190: Signals/Abbreviations Lista-3
REGISTRATION SOLENOID DRIVE COMMAND [TH1] THERMISTOR SIGNAL 1 TREV TRANSFER REVERSE DC BIAS ON COMMAND VPEAK VOLTAGE PEAK DETECT SIGNAL ZXDP ZERO CROSS DETECTION SIGNAL COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 191: Abbreviations
APPENDIX 2. Abbreviations INTR INITIAL ROTATION LSTR LAST ROTATION CBFW COPYBOARD FORWARD CBRV COPYBOARD REVERSE STBY STANDBY COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 192: General Circuit Diagram
Green Orange Q902 Q901 Main motor Pink Motor rotation Copyboard Registration position detection Sky Blue solenoid Violet detection Copyboard White drive solenoid Yellow Yellow Green COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 193 Green Orange Q902 Q901 Pink Main motor Copyboard Motor rotation Sky Blue Pick-up position detection Violet solenoid detection White Yellow Copyboard Yellow Green drive solenoid COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 195: Solvents/Oils Table
(mineral oil family) Molybdenum bisulfate Lubricating oil Mineral oil (paraffin family) • CK-0451 (100 cc) Lubricating oil Mineral oil (paraffin family) • CK-0524 (100 cc) COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 196 Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPARTMENT 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC. Printed in Japan REVISION 0 (JAN. 1998) [23715] 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302 Japan...
Page 197 This publication is printed on 70% reprocessed paper. PRINTED IN JAPAN (IMPRIME AU JAPON) 0198M2.01-1...

This manual is also suitable for:

Fc200 Pc400 Pc420 Pc430 Pc430 - pc 430 b/w

Canon FC220 Service Manual

Table of Contents

Chapter 2 Basic Operation

Chapter 3 Exposure System

Chapter 4 Image Formation System

Chapter 5 Pick-Up/Feeding System

Chapter 6 Fixing System

Chapter 7 Externals/Auxiliary Mechanisms

Chapter 9 Maintenance and Servicing

Chapter 10 Troubleshooting

Quick Links

Chapters

Troubleshooting

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Summary of Contents for Canon FC220

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Table of Contents