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CHAPTER 10 TROUBLESHOOTING

10-25

3. E2

Cause

Step

Checks

YES/NO

Remedies

Copyboard

Does the copying operation start
with the copyboard at the left or
right?

YES

Check the operation with
the copyboard moved to
the center; advise the user
that this is not the copier’s
problem

Does the copyboard move in
reverse? In addition, does it
move in reverse far too slowly?

See “The copyboard fails
to move.”

DC controller/DC
power supply PCB

Does the copyboard move in
reverse after copying operation
has started and move forward
after it has reached the copy-
board start position?

YES

Replace the DC con-
troller/DC power supply
PCB.

Copyboard drive
assembly,
Copyboard glass
assembly

1. Check the copyboard

position sensor (Q902).

2. Try replacing the copy-

board drive assembly.

3. Check the start position

cam and reversal cam
in the copyboard glass
assembly.

Cause

Step

Checks

YES/NO

Remedies

Control panel PCB

Replace the control panel PCB.
Is the problem corrected?

YES

End.

DC controller/DC
power supply PCB

Check the harness from
the control panel PCB to
the DC controller/DC
power supply PCB; if
normal, replace/DC power
supply PCB.

4. E6

Содержание FC220

Страница 2: ...MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPART...

Страница 3: ...n a copy is delivered in view of the functions of electrical and mechanical units and in relation to their timing of operation It also shows how these units may be disassembled assembled and adjusted...

Страница 4: ...s 1 is used to indicate that the voltage level of a given signal is High while 0 is used to indicate Low The voltage value however differs from circuit to circuit In practically all cases the internal...

Страница 5: ...Electrical Circuit 2 2 C Basic Sequence of Operations A4 2 copies 2 3 D Main Motor Control Circuit 2 5 1 Outline 2 5 2 Operation 2 5 3 Overcurrent Sensor 2 5 E Inputs to DC Controller 2 6 1 Inputs to...

Страница 6: ...TER 5 PICK UP FEEDING SYSTEM I OUTLINE 5 1 II CONTROLLING THE PICK UP ROLLER 5 2 A PC420 430 FC220 5 2 B PC400 FC200 5 3 III CONTROLLING THE REGISTRATION ROLLER 5 4 A Outline 5 4 B Pick Up Feeding Tim...

Страница 7: ...the Delivery Door Switch 7 13 D Control Panel PCB 7 14 1 Detaching the Control Panel PCB 7 14 CHAPTER 8 INSTALLATION I SELECTING THE SITE 8 1 II UNPACKING AND INSTALLATION 8 2 III RELOCATING THE MACH...

Страница 8: ...vely narrow 10 19 9 The copy has dark lines paper feed direction thin 10 19 10 The copy has white spots paper feed direction 10 19 11 The copy has white lines paper feed direction 10 19 12 The copy ha...

Страница 9: ...and Solenoids 10 34 B Switches 10 35 C Lamp Heater Motor and Others 10 36 D Printed Circuit Board PCB 10 37 E Variable Resistors VR and Check Pins by PCB 10 38 1 DC Controller DC Power Supply PCB 10 3...

Страница 11: ...S 1 4 A External View 1 4 B Cross Section 1 5 IV OPERATION 1 6 A Control Panel 1 6 B Making Copies 1 8 C Jam Indicator 1 11 D Add Paper Indicator 1 11 E Replacing the Cartridge 1 11 F Changing the Den...

Страница 13: ...er case charging roller developing assembly and cleaning assembly is integrated into a single cartridge The user need no more than replace the cartridge and perform simple cleaning to maintain the cop...

Страница 14: ...t 20 C 68 F First copy 22 sec LTR Continuous copying Not available Copying speed Copy size A4 LTR LGL max postcard min 52 to 128 g m2 Tracing paper Colored paper OHP film Postcard vertical Labels Wrap...

Страница 15: ...n Standby Continuous 0 1 W approx 5 min reference only 0 2 kWh reference only Ozone 0 01 ppm or less average over 8 hr 71 dB Copying Standby Noise 14 1 in 359 mm Width Dimensions Depth Height 15 7 in...

Страница 16: ...TION III NAMES OF PARTS A External View PC420 430 FC220 PC400 FC200 q Copyboard cover w Copyboard glass e Pick up tray r Open Close button t Delivery assembly cover open close button y Delivery assemb...

Страница 17: ...w Copyboard glass e Cleaning assembly r Primary charging roller t Scanning lamp y Lens array u Developing cylinder i Registration roller o Pick up roller 0 Pick up tray 1 Transfer charging roller 2 P...

Страница 18: ...the Copy Count Set key The count decreases for each copy made the initial number is displayed after the last copy has been made is displayed to indicate pick up failure or absence of paper is displaye...

Страница 19: ...ESCRIPTION 1 7 right view 2 PC400 FC200 Figure 1 402A lighter darker ON OFF 3 1 2 4 5 q Density Control Lever w Density Indicator e Jam Indicator Flashes when paper jams inside the copier Goes and rem...

Страница 20: ...along the size index Place the document so that its center is at on the size index Figure 1 401B then close the copyboard cover Figure 1 401B 3 Adjust the copy density to suit the document 4 Slide the...

Страница 21: ...of film on the pick up tray for each copy Depending on the environment of the site a press on the Copy Start key may not pull the film inside the copier if this is the case perform the following 1 Pla...

Страница 22: ...aking Two Sided Copies 1 Turn over the copy while maintaining its feeding direction Make sure that the paper is not moist or curled Use paper of 64 to 128 g m2 when making two sided copies Do not proc...

Страница 23: ...ose button to open the delivery cover then detach the paper from the delivery cover and pull it slowly in the direction of delivery 4 Close the top cover and delivery cover then move the copyboard to...

Страница 24: ...rtridge back in the copier and make a copy a If the output returns to normal The cartridge may be used further advise the user however to obtain a spare cartridge b If the output fails to return to no...

Страница 25: ...CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 1 GENERAL DESCRIPTION 1 13 4 Detach the tip of the seal attached to the cartridge and pull it straight...

Страница 26: ...n dry wipe it If dirt cannot be removed wipe the part using mild detergent then dry wipe it COPYRIGHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 1 14...

Страница 27: ...N 1 15 2 Lens Array 1 Move the copyboard to the left until it stops 2 Put a cotton wad in the lens array groove and move it back and forth lightly Fiber lens face side Figure 1 401G 3 Open the upper c...

Страница 28: ...up roller while rotating it in pick up direction with a cloth Note Do not make copies until the pick up roller has completely dried Pick up roller Figure 1 403G H When Not Using the Copier for a Long...

Страница 29: ...shown in Figure 1 501A The image formation process con sists of seven steps as discussed below Step 1 Primary charging negative Step 2 Image exposure Step 3 Development AC and DC bias Step 4 Transfer...

Страница 31: ...tline 2 1 B Outline of Electrical Circuit 2 2 C Basic Sequence of Operations A4 2 copies 2 3 D Main Motor Control Circuit 2 5 E Inputs to DC Controller 2 6 F Outputs from DC Controller 2 8 This chapte...

Страница 33: ...pick up feeding exposure image formation and control blocks Figure 2 101A Control Block Control panel Control circuit Document exposure system Copyboard Exposure Block Image Formation Block Primary c...

Страница 34: ...d generates signals to drive such loads as motors solenoids and lamps as necessary Q101 TH1 Q Photointerrupter Thermistor Relay Door switch High voltage transformer DC load Sub power supply circuit DC...

Страница 35: ...rd 1 2 3 4 5 6 7 8 10 STBY INTR CBRV STOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Scanning lamp LA1 LA8 Primary AC bias Primary DC bias Transfer charging Copyboard drive...

Страница 36: ...he copyboard moves from the home position to the start position While the copyboard is moving forward about 10 sec The scanning lamp illumi nates the document and the reflected optical image is projec...

Страница 37: ...command MMD to go 0 in response to instructions from the microprocessor thereby causing the main motor to rotate at a specific speed 3 Overcurrent Sensor When the overcurrent sensor circuit detects an...

Страница 38: ...put PC420 430 FC220 only Turning density adjustment dial varies voltage turn to darken brings it closer to 0V Note The pin No in parentheses refers to the PC400 FC200 PWSON Control panel PCB Density a...

Страница 39: ...etection Delivery detection PCB Control panel PCB Q801 Q902 Q901 TH1 J801 J603 3 3 Q131 When Q902 detects copyboard start position or reversal position oscillation signal DGT0 is input When surface te...

Страница 40: ...uts from DC Controller 1 Outputs from DC Controller 1 2 24V MMD DC controller DC power supply PCB High voltage output Main motor M1 Scanning lamp Lamp PCB J101 J102 J108 1 2 J201 5 4 J903 1 2 J906 1 2...

Страница 41: ...e solenoid SL2 J902 1 2 J101 9 8 24V CBSD voltage to SL2 is switched between 24V and 15V to ensure stable operation DC controller DC power supply PCB When 0 SL2 goes ON Figure 2 102F b PC400 FC200 Fig...

Страница 43: ...Controlling the Scanning Lamp 3 7 A Outline 3 7 B Operations 3 8 C Controlling the Intensity of the Scanning Lamp VR604 3 8 III MECHANICAL SYSTEM 3 9 A Scanning System 3 10 B Copyboard Drive Assembly...

Страница 45: ...he photosensitive drum through the lens array Figure 3 101A B Copyboard Drive System 1 Outline The copyboard is moved forward or in reverse by transmitting the drive of the main motor M1 to the copybo...

Страница 46: ...solenoid goes ON in response to a press on the Copy Start key or insertion of copy paper Copyboard is at the start position Copyboard drive solenoid goes OFF Scanning lamp ON The copyboard drive solen...

Страница 47: ...r ON or OFF E2 is displayed if the copyboard fails to complete its movement within a specific period of time In response to the signal from Q902 the DC controller controls the timing for paper transpo...

Страница 48: ...er the forward gear or the reverse gear depending on the orientation of the copyboard position sensor lever and the state ON OFF of the copyboard drive solenoid SL2 operated by the start position cam...

Страница 49: ...ight or left by hand b Moving the Copyboard in Reverse When SL2 goes ON while the main motor is operating the forward reverse switching mechanism engages with the reverse gear and the reverse gear rot...

Страница 50: ...the copyboard position sensor lever When SL2 goes ON in this position the forward reverse switching mechanism moves to the position shown in the figure causing the forward reverse switching mechanism...

Страница 51: ...ity of the scanning lamp has stabilized The intensity of the scanning lamp is checked by the lamp intensity detection signal LID to make sure that the intensity has reached the specified value In addi...

Страница 52: ...ON Initial power of the intensity sensor PD601 is high Output voltage of the amplifier circuit is low Duty ratio H of the output of the microprocessor LAPWM com mand grows low Current flowing to the...

Страница 53: ...safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting screws...

Страница 54: ...nit see Figure 3 302A COPYRIGHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 3 10 CHAPTER 3 EXPOSURE SYSTEM A Scanning System 1 Detaching the Scanning...

Страница 55: ...E AU JAPON CHAPTER 3 EXPOSURE SYSTEM 3 11 B Copyboard Drive Assembly 1 Detaching the Copyboard Drive Assembly 1 Take out the fixing assembly 2 Remove the screw and remove the grounding wire q remove t...

Страница 56: ...PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 3 12 CHAPTER 3 EXPOSURE SYSTEM 4 Remove the four screws t M4X8 yellow y M3X6 white and detach the copyboard drive assembly u a...

Страница 57: ...ntrolling Developing Bias 4 6 E Transfer Charging Control Circuit 4 10 F Document Density Measurement AE PC420 430 FC220 4 14 II CHARGING DEVELOPING AND CLEANING SYSTEMS 4 17 A Cartridge 4 17 III MECH...

Страница 59: ...ansfer charging Controls the developing bias Figure 4 101A Lamp intensity sensor AE sensor Scanning lamp Primary charging roller Lens array Developing cylinder Transfer charging roller Control panel P...

Страница 60: ...Y CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Scanning lamp LA1 LA8 Primary AC bias Primary DC bias Transfer charging Developing AC bias Copy paper inserted PC400 FC200 Copy Start...

Страница 61: ...ge constant Controls the AC bias current constant A DC bias 625 V 230 V and an AC bias are applied to the primary charging roller to maintain the surface potential of the photosensitive drum uniform D...

Страница 62: ...er T103 generates AC bias Primary charging DC bias AC bias goes ON b HVPDC 1 HVPHO 0 document not exposed DC bias control circuit set to 240 V Transformer T106 generates DC bias HVPAC 1 Oscillation co...

Страница 63: ...ry charging roller Photo sensitive drum Amplifier Microprocessor DC bias control circuit Transformer T103 Transformer T106 DC current detection DC bias high output command HVPHO DC bias ON command HVP...

Страница 64: ...he density control dial lever manual density control Output of the AE sensor automatic density control PC420 430 FC220 Setting made by the density correction switch SW606 PC420 430 FC220 The density c...

Страница 65: ...ity Control PC420 430 FC220 Density Control Dial 9 5 1 darker lighter 0 100 200 300 400 500 Developing bias DC component V ME2 dark ME1 ME0 light Setting by density correction switch SW606 Figure 4 10...

Страница 66: ...ves the developing cylinder of the AC bias ACBTP 1 pulse output ON T104 goes ON The above condition raises the AC bias output using the high voltage transformer T104 and sends it to the developing cyl...

Страница 67: ...Figure 4 104D Photo sensitive drum Amplifier Microprocessor Transformer T104 Transformer T106 DC voltage detection AC bias timing pulse command ACBTP J7 DC controller DC power supply PCB 5V Q146 Devel...

Страница 68: ...vary from one roller to another or because of changes in the environment The copier sends constant current to the transfer charging roller so that the microprocessor can check the changes in terms of...

Страница 69: ...t goes OFF In measurement mode the current is monitored by the current sensor circuit so that the constant current control circuit can control it to a constant current Further the microprocessor monit...

Страница 70: ...ent thereby controlling the negative DC bias If an overcurrent occurs in the output side of the transformer T107 because of changes in the environment the current limiter circuit exerts control so tha...

Страница 71: ...circuit Multiplier Rectifier circuit Constant current control circuit Pulse DC converter circuit Current sensor circuit Current limiter circuit Microprocessor Photo sensitive drum Transfer charging ro...

Страница 72: ...es the document density during image exposure 2 Operations Document measurement is started while the copyboard is moving forward i e when the leading edge of the document begins to be exposed copyboar...

Страница 73: ...trol panel PCB or intensity AE sensor see p 10 8 Note Adjust the AE mechanism only after adjusting the intensity of the scanning lamp 30 mm approx 33 5 mm approx 6 mm Points of measurement The micropr...

Страница 74: ...TER 4 IMAGE FORMATION SYSTEM Figure 4 103F 5V Photosensitive drum Developing cylinder Microprocessor Amplifier circuit Scanning lamp Lens array AE sensor PD602 VR603 4V approx VR602 Control panel PCB...

Страница 75: ...sitive drum Figure 4 201A a Drum Cover Shutter The photosensitive drum is susceptible to light if exposed to strong light it will develop residual memory causing white spots or black lines on the copi...

Страница 76: ...for safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting scr...

Страница 77: ...tion 1 You must rotate the drum in the direction it rotates for making copies otherwise the leaf spring used to apply developing biases to the developing cylinder may cause faulty contact 2 Use a flan...

Страница 78: ...ing roller lightly using lint free paper Caution 1 Do not use water or solvent 2 Do not touch the roller make sure the roller is free of solvent or oil 2 Detaching the Transfer Charging Roller 1 Open...

Страница 79: ...elivery Delay Jam 5 6 B Delivery Stationary Jam 5 7 C Pick Up Delay Jam PC420 430 FC220 5 8 D Pick Up Stationary Jam 5 9 E Paper is present at the pick up or delivery sensor at time of power on or whe...

Страница 81: ...it reaches the copy tray The delivery of copy paper is monitored by the delivery sensor Q801 if copy paper fails to reach or move past the sensor the copier identifies the condition as a jam and flash...

Страница 82: ...ontrol ring and pick up solenoid SL1 When the pick up solenoid goes ON the claw moves away from the control ring allowing the drive from the main motor M1 to be transmitted causing the pick up roller...

Страница 83: ...tor M1 goes ON causing the pick up roller to rotate by its drive The pick up roller keeps rotating as long as the main motor remains ON The condition causes the copy paper to butt against the registra...

Страница 84: ...s when the pick up solenoid PC420 430 FC220 or the registration solenoid PC400 FC200 goes ON to set the claw to the control ring Copyboard glass Registration cam Lever Main motor M1 Claw Control ring...

Страница 85: ...or M1 Copyboard position sensor Q902 Copyboard drive solenoid SL2 Fixing heater H1 Pick up solenoid SL1 Copy Start key ON Pick up sensor Q131 ON only PC430 Figure 5 301B b PC400 FC200 Sequence Copyboa...

Страница 86: ...microprocessor identifies the following conditions as jams A Delivery Delay Jam The copy paper does not reach the delivery sensor within a specific period of time 1 PC420 430 FC220 Sequence Copyboard...

Страница 87: ...CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Copyboard posi tion sensor Q902 Jam check Copy Start key ON Pick up sensor Q131 Delivery sensor Q801 4 sec error normal 4 sec normal 6 5 se...

Страница 88: ...within a specific period of time Sequence Copyboard 1 2 3 4 5 6 STBY INTR CBRV STOP COPY CBFW CBRV CBFW CBRV STOP LSTR STBY Power switch ON Main motor M1 Copyboard posi tion sensor Q902 Pick up soleno...

Страница 89: ...ON Main motor M1 Copyboard posi tion sensor Q902 Jam check Copy Start key ON Pick up sensor Q131 Delivery sensor Q801 1 sec error normal 1 sec Sequence Copyboard 1 2 3 4 5 STBY INTR CBRVSTOP COPY CBF...

Страница 90: ...or safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting scre...

Страница 91: ...PTER 5 PICK UP FEEDING SYSTEM 5 11 A Pick Up Roller Assembly 1 Detaching the Pick Up Roller a PC420 430 FC220 1 Detach the body cover 2 Disengage the hook q and detach the solenoid w Figure 5 501A rig...

Страница 92: ...UP FEEDING SYSTEM 4 Bend the holding plate t and detach the pick up roller bushing y by pulling it to the front Figure 5 503A 5 Move the pick up roller assembly u to the front and detach it from the r...

Страница 93: ...0 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 5 PICK UP FEEDING SYSTEM 5 13 b PC400 FC200 1 Detach the body cover 2 Bend the pick up roller support q and detach the pick up roller w from...

Страница 94: ...220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 5 14 CHAPTER 5 PICK UP FEEDING SYSTEM B Registration Roller Assembly 1 Detaching the Registration Roller Assembly 1 Detach the copyboard drive ass...

Страница 95: ...V 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 5 PICK UP FEEDING SYSTEM 5 15 C Removing the Separation Pad 1 Remove the pick up roller assembly q q Push Push Figure 5 501C Figure 5 502C 2 Open...

Страница 97: ...B Controlling the Fixing Heater Temperature 6 3 C Controlling the Supply Power to the Fixing Heater 6 3 D Protection Mechanisms 6 5 II MECHANICAL SYSTEM 6 6 A Fixing Assembly 6 7 This chapter outlines...

Страница 99: ...film to rotate Some sections of the underside of the fixing film is heated by the fixing heater The temperature of the fixing heater is monitored by the thermistor TH1 and the readings are sent to the...

Страница 100: ...COM 5V 5V Relay drive command RELAYD Fixing heater overheating sensor circuit 5V 5V 5V 5V Fixing heater drive command HTRD DC controller DC power supply PCB Microprocessor Thermistor signal 1 TH1 Fix...

Страница 101: ...H1 is controlled by controlling the power supplied to the fixing heater The power to the fixing heater is controlled by a phase power control method The microprocessor on the DC controller DC power su...

Страница 102: ...HT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 6 4 CHAPTER 6 FIXING SYSTEM AC input signal ZXDP signal VPEAK signal HTRD Supply power to heater Figure...

Страница 103: ...he temperature of the fixing heater does not reach 150 C within 7 5 sec after copying starts iii The temperature of the fixing heater drops to 135 C or less after it has reached 150 C iv The temperatu...

Страница 104: ...afety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting screws u...

Страница 105: ...into the bushing 3 The copier does not have an adjustment mechanism for roller pressure COPYRIGHT 1998 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER...

Страница 106: ...00 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 6 8 CHAPTER 6 FIXING SYSTEM 3 While lifting the hook w slide the delivery door switch e to the front to remove Figure 6 203A Figur...

Страница 107: ...ing assembly 2 Remove the harness q and remove the hook w then remove the harness holder e 5 Remove the two screws M4X8 yellow t and turn the fixing assembly y slightly in the direction of the arrow t...

Страница 108: ...FIXING SYSTEM 4 Remove the two screws e and remove the heat exhaust fan r Figure 6 208A Figure 6 209A 5 Remove the two screws u and turn the upper stay i in the direction of the arrow to remove rear F...

Страница 109: ...M 6 11 6 Disconnect the connector o and remove the fixing upper unit 0 Figure 6 210A Figure 6 211A 10 9 front 4 Detaching the Pressure Roller 1 Detach the fixing upper unit Note Take care not to damag...

Страница 111: ...PCB 7 2 C Protection Mechanism for Power Supply Circuit 7 2 II MECHANICAL SYSTEM 7 3 A External Covers 7 4 B Copyboard Assembly 7 9 C DC Controller DC Power Supply PCB 7 11 D Control Panel PCB 7 14 T...

Страница 113: ...ssor indicates AC line Door switch SW1 Sub power supply Relay AC driver Fixing heater Lamp drive assembly Scanning lamp HVT assembly Charging roller Developing cylinder Main motor M1 DC load Control p...

Страница 114: ...the fixing heater Note The tolerances for the DC power supply are as follows 24VR 5 24 VU 22 V to 46 V 5 VL 2 5 V 10 C Protection Mechanism for Power Supply Circuit The DC power supply circuit s AC po...

Страница 115: ...ord for safety before disassembly or reassembly work 2 Unless otherwise noted reassembly is the reverse of disassembly 3 Group the screws by type length and diameter and location 4 One of the mounting...

Страница 116: ...7 202A q Control panel cover w Bottom cover e Top cover r Body cover t Delivery assembly cover y Copyboard cover Figure 7 201A 1 Detaching the Control Panel Cover 1 Move the copyboard cover to the lef...

Страница 117: ...gure 7 203A 3 Detach the pick up tray and delivery tray 4 Detach the control cover 5 Open the top cover and take out the cartridge 6 Press the delivery assembly cover open close button to open the del...

Страница 118: ...ght rear of the body with a screwdriver and lift the body cover t slightly Figure 7 205A right rear view Figure 7 206A rear view 9 Detach the hook at the rear y as if to pull the body cover u to the f...

Страница 119: ...the two connectors q Figure 7 208A Figure 7 209A 3 Bend the support w at the front to the front and remove the pin e from the top cover assembly 4 Detach the top cover assembly r 4 Detaching the Deliv...

Страница 120: ...D IN JAPAN IMPRIME AU JAPON 7 8 CHAPTER 7 EXTERNALS AUXILIARY MECHANISMS 5 Detaching the Bottom Cover 1 Place the copier with the delivery assembly at the bottom then remove the two screws M4X10 black...

Страница 121: ...Copyboard Assembly 1 Detaching the Copyboard Cover 1 Lift the right rear corner of the copyboard cover about 5 mm then slide it to the front 2 Slide the left rear corner the same way Figure 7 201B Fi...

Страница 122: ...APTER 7 EXTERNALS AUXILIARY MECHANISMS 2 Move the copyboard to the right by hand and remove the screw M4X10 black r then detach the copyboard t Figure 7 204B Note 1 Do not disassemble the rail 2 To at...

Страница 123: ...Detaching the DC Controller DC Power Supply PCB 1 Detach the body cover 2 Remove the drive release arm q 3 Remove the screw w and discon nect the two connectors e 4 Disconnect the four fastons r 5 De...

Страница 124: ...controller DC power supply PCB has high voltage contacts and pick up sensor lever take extra care not to damage the parts when detaching the PCB Figure 7 203C Figure 7 204C 10 11 9 Remove the screw M...

Страница 125: ...ALS AUXILIARY MECHANISMS 7 13 Figure 7 205C Fastons white harness Fastons black harness Fastons gray harness Door switch 2 Points to Note When Installing the Delivery Door Switch Caution When insertin...

Страница 126: ...r 2 Disconnect the three connectors q 3 Hold the flat cable w with both hands and detach them from the connector by lifting them straight up 4 Disengage the hook e and detach the control panel PCB r b...

Страница 127: ...NG THE MACHINE 8 5 The product is carefully adjusted and strictly inspected before it leaves the factory therefore proper installation is very important in maintaining its out of factory performance M...

Страница 129: ...g terminal The temperature and humidity of the site must be 7 5 to 32 5 C 45 5 to 90 5 F and 5 to 85 respectively Avoid areas near water faucets water boilers humidifiers or refrigerators Avoid areas...

Страница 130: ...Take out the accessories 2 Make sure that the Operator s Manual is in the box Remove the cover bag from the copier and detach all strips of tape that hold parts 3 Check the covers for damage and defor...

Страница 131: ...ace the cartridge on a level place then detach the tip of the seal and pull it fully out about 50 cm 8 Hold the cartridge with its Warning label facing left and slide in the cartridge slowly until it...

Страница 132: ...goes ON on the display PC420 430 FC220 Check that 1 goes ON on the display PC420 430 FC220 Check the Main indicator goes ON PC400 FC200 Check the movement of the copy density lever dial Set the Test S...

Страница 133: ...ruck or other means of transportation perform the following Step Work Remarks Switch the machine OFF and disconnect the power plug 1 Checks Take out the cartridge and fold the copy tray and pick up tr...

Страница 135: ...HAPTER 9 MAINTENANCE AND SERVICING I PERIODICALLY REPLACED PARTS 9 1 II DURABLES 9 1 III PERIODICAL SERVICING 9 1 IV NOTES ABOUT CARTRIDGE 9 2 A Storing Sealed Cartridges 9 2 B Storing and Handling Un...

Страница 137: ...ER 9 MAINTENANCE AND SERVICING 9 1 I PERIODICALLY REPLACED PARTS The machine does not have parts which must be replaced on a periodical basis II DURABLES The machine does not have parts which are clas...

Страница 138: ...g the cartridge in a warehouse or workshop make sure the place is controlled to the specifications shown in Table 9 401A a Avoid direct rays of the sun b Avoid areas subjected to appreciable vibration...

Страница 139: ...ays of the sun Do not keep it in a car even in a protective box the inside may become extremely hot b Avoid areas of high or low temperature humidity and areas where these factors tend to change rapid...

Страница 140: ...8 CANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 9 4 CHAPTER 9 MAINTENANCE AND SERVICING b Do not place the cartridge upright or upside down do not shake it F...

Страница 141: ...ies with white spots or vertical lines Leave the copier alone for some time for possible recovery to avoid residual memory which results in white spots or vertical lines however keep the following in...

Страница 143: ...16 C Troubleshooting by Image Fault 10 17 IV TROUBLESHOOTING MALFUNCTIONS 10 24 A Troubleshooting Malfunctions 10 24 V TROUBLESHOOTING PAPER FEED PROBLEMS 10 30 A Copy Paper Jams 10 30 B Feeding Fault...

Страница 145: ...losed firmly or the main power supply is absent 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 un...

Страница 146: ...09 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 Connect the power plug Close the door or the cover The proble...

Страница 147: ...1 see Note 3 4 Fogging in white area see Note 3 Set the switch to the middle Clean the parts Is the problem corrected by the density correction switch Is optimum density obtained by adjusting the int...

Страница 148: ...Cleaning Do not use water or solvent Take care not to touch the roller or leave oil Cartridge Transfer charging roller Parts Tools Solvents Remarks Inlet guide Solvent Fixing assembly Parts Tools Sol...

Страница 149: ...on of the white paint found behind the copyboard glass Figure 10 202A 2 Image Leading Edge Margin point of detection for registration The leading edge margin must be 0 2 to 5 0 mm when the Test Sheet...

Страница 150: ...isconnect the power plug and detach the faulty control panel PCB 2 Set the meter to the 200 k range and measure C between the terminal of VR604 and the terminal of R614 on the detached control panel P...

Страница 151: ...to the copier 2 De select AE and set the copy density control lever dial to the center 3 Set the density correction switch SW606 to the center PC420 430 FC220 4 Set the Test Sheet NA3 NB3 NA2 and make...

Страница 152: ...ewspaper whose text consists of fine print do not use a section with photos or large characters Make sure you have adjusted light intensity 1 Switch the copier OFF 2 Detach the control panel cover 3 T...

Страница 153: ...the jumper wires 8 Set the digital multimeter to the 20V DC range and turn VR602 AE offset adjust ment until the voltage between the anode side of the diode D606 and JP607 GND is 4 0 0 1 V Notes You...

Страница 154: ...B 11 Switch the copier OFF Notes Make sure that the jumping wires are no longer shorted 12 Switch the copier ON once again 13 Set the density correction switch SW606 to the center of the three setting...

Страница 155: ...s d Avoid direct rays of the sun otherwise provide curtains e Make sure the site is well ventilated f Make sure the floor is level Check the site to see if it meets the above requirements 2 Checking t...

Страница 156: ...ng a cotton wad 5 Checking the Transfer Charging Roller Check the transfer charging roller for scratches or other abnormalities 6 Checking the Feeding Assembly Check the feeding assembly for dirt If d...

Страница 157: ...Take out the cartridge from the copier and rotate it several times Figure 10 302A 2 Set the cartridge back into the copier and make copies a If the copies are normal The user may use the cartridge fo...

Страница 158: ...images b When too cold the photosensitive drum assumes a high electrical resistance resulting in poor contrast c Condensation in the pick up feeding assembly can cause faulty paper transport d Condens...

Страница 161: ...le of operation then open the top cover Is the toner image on the pho tosensitive drum more or less normal before transfer Be sure to check quickly to protect the drum against light NO Go to step 5 Tr...

Страница 162: ...dle of operation then open the top cover Does the toner image on the photosensitive drum before transfer have uneven density YES 1 Replace the cartridge 2 Replace the scanning lamp unit Transfer charg...

Страница 163: ...ed YES End Cartridge 2 Take out the cartridge and put it back in Is the problem corrected YES End NO Replace the cartridge Cause Step Checks YES NO Remedies Fixing assembly 1 Press the Copy Start key...

Страница 164: ...YES Check the copyboard rail for foreign matter Copyboard rail Check the scanning lamp for flickering and check the presence absence of a developing bias Scanning lamp Developing bias NO 13 The back o...

Страница 165: ...eck the ther mistor and DC controller DC power supply PCB Fixing heater NO See The fixing heater fails to operate 15 The copy has faulty leading edge registration blank area much too wide 16 The copy...

Страница 166: ...e Cause Step Checks YES NO Remedies Scanning lamp 1 Does the scanning lamp flicker YES Replace the scanning lamp unit Cartridge 2 Replace the cartridge Is the problem corrected YES End High voltage tr...

Страница 167: ...ke adjustments so that the shutter opens smoothly Drum drive assembly 5 Is the drum drive gear rotating normally NO Check the drum drive assembly High voltage transformer 6 Are the primary charging te...

Страница 168: ...range and wait until the fixing heater is sufficiently cool Measure the voltage between J603 1 and J603 2 Is it about 3 2 V or more NO Check the wiring from the DC controller DC power supply PCB to t...

Страница 169: ...C power supply PCB 3 Does the copyboard move in reverse after copying operation has started and move forward after it has reached the copy board start position YES Replace the DC con troller DC power...

Страница 170: ...h is turned ON and does the power turn OFF thereafter YES See E0 Top cover Delivery assembly cover 3 Are the top cover and delivery assembly cover closed properly NO Close the top cover and delivery a...

Страница 171: ...up solenoid SL1 PC420 430 FC220 Registration solenoid SL1 PC400 FC200 4 Set the meter to the 30VDC range Does the voltage between J201 6 and J201 7 on the DC controller DC power supply PCB change to a...

Страница 172: ...ontroller DC power supply PCB if normal replace the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Main motor M1 1 Is the main motor rotating NO See The main motor fails to rotate...

Страница 173: ...NO Check the wiring from the control panel PCB to the DC controller DC power supply PCB if normal replace the DC controller DC power supply PCB Cause Step Checks YES NO Remedies Control panel PCB 1 R...

Страница 174: ...APTER 10 TROUBLESHOOTING V TROUBLESHOOTING PAPER FEED PROBLEMS A Copy Paper Jams Jams can be classified according to location within the copier q Pick up assembly w Separation feeding assembly e Fixin...

Страница 175: ...he pick up guide plate Pick up roller 5 Is the pick up roller deformed or worn YES Replace the pick up roller Spring for pick up control Spring clutch PC420 430 FC220 NO 1 Check the spring 2 Check the...

Страница 176: ...nd the document matched correctly NO Check the separation feeding assembly Fixing assembly inlet guide 2 Is the inlet guide soiled with foreign matter or toner Clean it YES Delivery sensor lever 3 Doe...

Страница 177: ...edies Pick up assembly Registration roller 1 Switch the copier OFF while the copy paper is moving through the feeding assembly Is the paper wrinkled at the time Or is it moving askew YES Check the pic...

Страница 178: ...TS A Sensors and Solenoids Figure 10 601A Q902 SL2 Q901 Q801 Q131 PD601 PD602 SL1 Symbol Name Notation Description Photointerrupter Photodiode Solenoid Q131 Q801 Q901 Q902 PD601 PD602 SL1 SL2 Pick up...

Страница 179: ...98 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 10 TROUBLESHOOTING 10 35 Figure 10 601B SW2 SW604 SW606 SW1 Symbol Name Notation Description Switch Switch SW1 SW2 SW604 SW606 Top cover switch Delivery as...

Страница 180: ...RIME AU JAPON 10 36 CHAPTER 10 TROUBLESHOOTING Figure 10 601C M1 FU2 TH1 H1 Symbol Name Notation Description Heater Motor Thermistor Thermal fuse H1 M1 TH1 FU2 Fixing heater Main motor Fixing heater t...

Страница 181: ...ion DC controller DC power supply PCB Control panel PCB Scanning lamp PCB Delivery sensor PCB Motor rotation sensor PCB Copyboard position sensor PCB Controls sequence supplies DC power controls scann...

Страница 182: ...in parentheses refers to the PC400 FC200 E Variable Resistors VR and Check Pins by PCB Of the variable resistors VR and check pins used in the copier those used in the field are discussed herein Do n...

Страница 183: ...it to adjust the AE offset use it only after replacing the scanning lamp unit intensity sensor AE sensor or control panel PCB VR603 Use it to adjust the AE gain use it only after replacing the scanni...

Страница 184: ...ote 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 Code Cause Description Thermisto...

Страница 185: ...opyboard position sensor PCB Q902 faulty DC controller DC power supply PCB faulty The copyboard position sensor Q902 goes ON when copying operation starts The copyboard position sensor Q902 is ON 0 8...

Страница 187: ...ON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON 1 APPENDIX A GENERAL TIMING CHART A 1 B SIGNALS ABBREVIATIONS LISTA 3 C GENERAL CIRCUIT DIAGRAM A 5 D SPECIAL TOOLS TABLE A...

Страница 188: ...ion sensor Q902 Copyboard drive solenoid SL2 Scanning lamp LA1 LA8 Fixing heater H1 Primary AC bias Primary DC bias Developing AC bias Developing DC bias Transfer Pick up sensor Q131 Registration sole...

Страница 189: ...Power switch ON Copy paper inserted 240V 625V 400V 120 to 560V Cleaning mode Measurement mode 1 sec CBFW 13 Main motor M1 Document position sensor Q902 Copyboard drive solenoid SL2 Scanning lamp LA1 L...

Страница 190: ...OL COMMAND DGT0 OSCILLATION SIGNAL 0 DGT1 OSCILLATION SIGNAL 1 DGT2 OSCILLATION SIGNAL 2 HTRD FIXING HEATER DRIVE COMMAND HVPAC PRIMARY AC BIAS ON COMMAND HVPDC PRIMARY DC BIAS ON COMMAND HVPHO PRIMAR...

Страница 191: ...ANON INC CANON PC400 420 430 FC200 220 REV 0 JAN 1998 PRINTED IN JAPAN IMPRIME AU JAPON A 4 APPENDIX 2 Abbreviations INTR INITIAL ROTATION LSTR LAST ROTATION CBFW COPYBOARD FORWARD CBRV COPYBOARD REVE...

Страница 192: ...1 1 3 GND TH1 DGT1 LEG KEYRO 2 NC J102 J103 J907 Intensity sensor Main motor Delivery sensor N C N C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J202 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 GND 5V DGT...

Страница 193: ...13 14 15 16 17 18 19 20 21 22 J907F 1 2 3 4 5 Q801 J801 1 2 3 1 2 3 4 J603P J621P AE sensor Intensity sensor J621F J603F Control panel PCB DC controller DC power supply PCB Scannig lamp PCB Door switc...

Страница 194: ...ls used for servicing the machine in addition to the standard tools set The tools are categorized as follows A tools that must be carried by each service person B tools that must be carried by a group...

Страница 195: ...Surface active agent Do not bring near fire Procure locally Isopropyl alcohol may be substituted 2 Solvent Cleaning e g metal oil or toner dirt Hydrocarbon fluorine chlorine family Alcohol Do not brin...

Страница 196: ...y 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...

Страница 197: ...PRINTED IN JAPAN IMPRIME AU JAPON 0198M2 01 1 This publication is printed on 70 reprocessed paper...

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