Canon imageCLASS MF4100 Series Service Manual Download Page 1

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Aug 21 2006

Service Manual

MF4100 Series

Summary of Contents for imageCLASS MF4100 Series

Page 1: ...Aug 21 2006 Service Manual MF4100 Series...

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Page 3: ...need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countri...

Page 4: ...uiring care to avoid combustion fire Indicates an item prohibiting disassembly to avoid electric shocks or problems Indicates an item requiring disconnection of the power plug from the electric outlet...

Page 5: ...ed to indicate Low The voltage value how ever differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically all cases the internal me...

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Page 7: ...d 1 10 1 1 4 3 Recording Range Copy 1 10 1 1 4 4 Recording Range Reception 1 11 1 1 4 5 Recording Range Printer 1 11 1 1 4 6 Operation Environment of the Printer Driver 1 12 Chapter 2 Basic Operation...

Page 8: ...t Procedure 5 4 5 5 1 Laser Scanner Unit 5 4 5 5 1 1 Preparation for Removing the Laser Scanner Unit 5 4 5 5 1 2 Removing the Laser Scanner Unit 5 4 Chapter 6 Image Formation 6 1 Overview Configuratio...

Page 9: ...4 1 2 Removing Fixing Assembly 8 5 8 4 2 Fixing Film Unit 8 5 8 4 2 1 Preparation for Removing Fixing Film Unit 8 5 8 4 2 2 Removing Fixing Film Unit 8 5 Chapter 9 External and Controls 9 1 Control P...

Page 10: ...cal Service 10 1 10 3 1 Periodically Service Items 10 1 10 4 Cleaning 10 1 10 4 1 Cleaning Items 10 1 10 4 2 Cleaning Method External Covers 10 1 10 4 3 Cleaning Method Reader Unit 10 2 Chapter 11 Mea...

Page 11: ...SW39 13 7 13 2 9 1 Function List 13 7 13 2 9 2 Bit 7 Elaborated 13 7 13 2 9 3 Bit 8 Elaborated 13 8 13 2 10 SSSW SW51 13 8 13 2 10 1 Function List 13 8 13 2 10 2 Bit 3 and 4 Elaborated 13 8 13 2 11 S...

Page 12: ...Contents...

Page 13: ...Chapter 1 Introduction...

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Page 15: ...ly 1 6 1 1 2 4 Safety of the Toner 1 6 1 1 2 5 Fire Attention 1 6 1 1 2 6 Points no Note when Replacing Disposing the Lithium Battery 1 6 1 1 3 Product Specifications 1 7 1 1 3 1 Host Machine Specific...

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Page 17: ...ery auxiliary tray 2 Document guide MF4150 only 11 Delivery stop 3 Document pick up tray MF4150 only 12 Manual feed tray paper guide 4 Document delivery tray MF4150 only 13 Paper trail edge guide 5 Co...

Page 18: ...SYS MF4150 i SENSYS MF4140 i SENSYS MF4120 F 1 3 1 USB port 4 Phone line terminal MF4140 MF4150 only 2 Rear cover 5 Phone teminal MF4140 MF4150 only 3 Appliance inlet 6 Handset terminal MF4140 MF4150...

Page 19: ...r 2 pickup roller 3 separation pad 4 delivery roller 2 copyboard glass scanning glass 9 separation pad 3 delivery roller 10 cartridge 4 fixing film unit 11 duplexing feeding roller 5 laser scanner uni...

Page 20: ...indicator 4 FAX key 16 Start key 5 SCAN key 17 Numeric key 6 Additional Functions key 18 Tone key 7 2 Sided key 19 Clear key 8 Enlarge Reduce key 20 key 9 Density key 21 OK key 10 Image Quality key 22...

Page 21: ...ts on August 2nd 1976 These regulations apply to laser products produced on and after August 1st 1976 and prohibit the sale of laser products without certification The following labels certify complia...

Page 22: ...d to explosion Contact with Toner 1 Toner on the skin or clothes must be removed by washing with water immediately 2 The use of warm water must be avoided doing so will cause the toner to turn gel lik...

Page 23: ...er save mode Yes Original type sheet book three dimensional objects up to 2kg Maximum original size fixed type 216mm x 297mm ADF 216mm x 356mm Reproduction ratio 1 1 1 0 1 2 00 1 1 41 1 0 70 1 0 50 zo...

Page 24: ...ximum consumption 670W or less Power consumption consumption at operation mode approx 340W or less reference value consumption at standby mode approx 8 5W reference value consumption at sleep mode app...

Page 25: ...C CONEXANT DFX336 Scanning line density Standard 8 dots mm x 3 85 lines mm Fine 8 dots mm x 7 7 lines mm Super fine 8 dots mm x 15 4 lines mm Half tone 256 gradation sequence Printing resolution 600 d...

Page 26: ...m leading edge margin 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm trailing edge margin 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 2 0 2 0 2 0 mm 1 leading edge of document 4 right margin 2 left margin 5 scanning...

Page 27: ...mm 4 0 2 0 2 0 mm 4 0 2 0 2 0 mm trailing edge margin 5 0 2 0 2 0 mm 5 0 2 0 2 0 mm 5 0 2 0 2 0 mm 1 leading edge of document 6 trailing edge margin 2 left margin 7 non scanning area 3 effective scann...

Page 28: ...ght is authorized 1 leading edge of document 6 trailing edge margin 2 left margin 7 non scanning area 3 effective scanning width 8 scanning range 4 right margin 9 trailing edge of document 5 leading e...

Page 29: ...Chapter 2 Basic Operation...

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Page 31: ...Contents Contents 2 1 Construction 2 1 2 1 1 Function Configuration 2 1 2 2 Basic Sequence 2 1 2 2 1 Basic Operation Sequence 2 1...

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Page 33: ...artridge is detected during this interval STBY standby Interval between the end of WAIT or LSTR and input of print command from SCNT board or interval between the end of LSTR and turnoff of power supp...

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Page 35: ...Chapter 3 Original Exposure System...

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Page 37: ...ment Procedure 3 2 3 2 1 Scanner Unit 3 2 3 2 1 1 Preparation for Removing the Control Panel Assembly 3 2 3 2 1 2 Removing the Control Panel Assembly 3 2 3 2 2 Book Motor 3 2 3 2 2 1 Preparation for R...

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Page 39: ...riginals by ADF instead of shifting the contact sensor F 3 1 item function method document exposure LED document scan Book mode scan by the shift of the contact Book mode scan by the shift of the cont...

Page 40: ...SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 5 Remove the control panel assembly 3 2 2 2 Removing th...

Page 41: ...toward the rear side Be sure to put the copyboard glass cover that you detached onto the mount etc so as not to damage the cable 2 Remove the 4 screws 3 and detach the copyboard glass cover 4 3 Remove...

Page 42: ...Chapter 3 3 4 F 3 15...

Page 43: ...Chapter 4 Original Feeding System...

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Page 45: ...2 4 2 Detection Jams 4 2 4 2 1 Jam Detection 4 2 4 3 ADF 4 3 4 3 1 Pick up Roller 4 3 4 3 1 1 Removing the Pickup Roller 4 3 4 3 2 ADF Motor 4 3 4 3 2 1 Preparation for Removing the ADF Motor 4 3 4 3...

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Page 47: ...in of original which descends ascends in conjunction with the gear 2 on the end of the pickup roller shaft F 4 2 When the originals are moving through the machine By the CW drive of the DF motor M3 w...

Page 48: ...ism The original length that can be scanned with this equipment is less than 400 mm Passing of the original longer than this results in jam stop The original length is calculated by the time it takes...

Page 49: ...bushings 1 5 Remove the 1 E ring 2 to remove the pick up roller shaft 3 F 4 8 6 Remove the 1 E ring 1 to remove the pickup roller 2 Do not touch the roller with bare hands F 4 9 4 3 2 ADF Motor 4 3 2...

Page 50: ...13 5 Unhook the 2 claws 3 to remove the ADF motor cover 4 F 4 14 6 Remove the ADF motor 3 2 screws 1 1 cable tube 2 F 4 15 4 3 3 Separation Pad 4 3 3 1 Removing the Separation Pad 0014 5943 i SENSYS M...

Page 51: ...Chapter 4 4 5 F 4 18...

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Page 53: ...Chapter 5 Laser Exposure...

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Page 55: ...ser Light 5 2 5 3 1 Auto Photoelectric Current Control APC 5 2 5 4 Controlling the Laser Scanner Motor 5 3 5 4 1 Overview 5 3 5 4 2 Scanner Motor Speed Control 5 3 5 4 3 Detection of Fault of the Scan...

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Page 57: ...pho tosensitive drum MEMO E100 F When the error related to the following laser exposure occurs error code E100 is lit BD fault If BDI signal cannot be detected in 0 1 sec after forced acceleration of...

Page 58: ...dure The following is its procedure 1 jWhen the laser control signal CNT0 CNT1 turned into LD APC mode the laser driver emits LD forcedly 2 After being detected with the photodiode PD the LD emission...

Page 59: ...014 4991 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 CPU of the DCNT board monitors the frequency comparator to judge if the scanner motor rotates at the specified rotation frequency When the foll...

Page 60: ...i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove the DCNT board 5 5 1 2 Removing the Laser Scanner Unit 0014 5964 i S...

Page 61: ...Chapter 6 Image Formation...

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Page 63: ...guration 6 1 6 1 2 Print Process 6 1 6 2 Driving and Controlling the High Voltage System 6 2 6 2 1 Generation of Transfer Charging Bias 6 2 6 3 Parts Replacement Procedure 6 3 6 3 1 Transfer Charging...

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Page 65: ...osensitive drum whose potential is made even by the primary charging roller to be ready for the formation of the next latent image F 6 1 6 1 2 Print Process 0014 5001 i SENSYS MF4150 i SENSYS MF4140 i...

Page 66: ...bias is applied to the transfer charging roller at cleaning the transfer charging roller The transfer charging bias generation circuit applies these transfer charging biases to the transfer charging...

Page 67: ...the control panel assembly 1 2 Open the cartridge cover 2 F 6 3 3 Unhook the 2 claws 1 to remove the transfer charging roller 2 with the transfer guide 3 in the direction of the arrow F 6 4 Do not tou...

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Page 69: ...Chapter 7 Pickup and Feed System...

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Page 71: ...ationary Jam 7 3 7 3 3 2 Delivery Stationary Jam 7 3 7 3 4 Other Jams 7 3 7 3 4 1 Door Open Jam 7 3 7 3 4 2 Wrapping Jam 7 3 7 3 4 3 Residual Jam at Startup 7 4 7 4 Duplex Unit 7 5 7 4 1 Overview 7 5...

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Page 73: ...aper the following 4 photointerrupters are allocated the leading edge paper width sensor PS801 PS802 delivery sensor PS803 and delivery paper width sensor PS804 and they detect either the arrival or p...

Page 74: ...ion 3 The pickup cam rotates along with the rotation of the pickup roller and by following the shape of the pickup cam the lifting plate is pushed up with the force of the spring A paper pushed up wit...

Page 75: ...paper after passing about 1 65 sec from the detection of the leading edge of paper with the leading edge sensor PS801 the DCNT board judges as the delivery delay jam 7 3 3 Stationary Jams 7 3 3 1 Pick...

Page 76: ...r the leading edge sensor PS801 or the paper width sensor PS802 detects a paper at the start of initial rotation CPU judges as the residual jam at startup When there is paper in inside the machine the...

Page 77: ...the delivery sensor PS803 the duplexing drive solenoid SL2 is turned on and the drive of the main motor M1 is transmitted to the delivery roller and the duplexing feed roller By turning the delivery...

Page 78: ...tion Pad 7 5 2 1 Preparation for Removing Separation Pad 0014 5935 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 1 Remove the front cover 2 Remove the right cover 3 Remove the left cover 4 Remove th...

Page 79: ...Chapter 8 Fixing System...

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Page 81: ...the Fixing Unit 8 3 8 2 1 1 Fixing Temperature Control 8 3 8 3 Protection Function 8 4 8 3 1 Protection Function 8 4 8 4 Parts Replacement Procedure 8 5 8 4 1 Fixing Unit 8 5 8 4 1 1 Preparation for...

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Page 83: ...ed on the ceramic plate By heating the fixing film with the fixing heater it gives heat to passing papers The thermistor TH1 locates at the center of the fixing heater H1 and detects the temperature o...

Page 84: ...Chapter 8 8 2 F 8 2 1 Pressure roller 2 Fixing film H1 Fixing heater TH1 Thermistor TP1 Temperature fuse 1 TP1 TH1 H1 2...

Page 85: ...is decreased and the voltage of the fixing heater temperature detection signal of the thermistor is decreased The CPU IC902 on the DCNT board monitors the voltage of the FSRTH signal By outputting th...

Page 86: ...fixing heater abnormally increases and the voltage of the fixing heater temperature detection signal sent from the thermistor becomes less than about 0 57V equivalent of 265 deg C the output of the co...

Page 87: ...cable guide F 8 6 3 Disconnect the connector 1 and remove the cable white 2 from the cable guide F 8 7 4 Unhook the 3 claws 1 and remove the delivery sensor 2 F 8 8 5 Remove the 3 screws 1 and remove...

Page 88: ...8 8 6 F 8 11 3 Recline the 2 pressure release levers 1 and remove the 2 springs 2 4 Remove the fixing film unit 4 2 pressure release levers 1 2 pressure plates 3 Do NOT touch the roller with bare hand...

Page 89: ...Chapter 9 External and Controls...

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Page 91: ...6 1 Preparation for Removing the Cartridge Cover 9 3 9 3 6 2 Removing the Cartridge Cover 9 3 9 3 7 Operation Panel Unit 9 4 9 3 7 1 Removing the Control Panel Unit 9 4 9 3 8 SCNT Board 9 4 9 3 8 1 P...

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Page 93: ...short circuit to loads and resulted in occurring overcurrent or over overvoltage there is a protecting function for overcurrent overvoltage to automatically shut the output voltage to avoid fault of...

Page 94: ...Remove the front cover 2 Remove the right cover 3 Remove the left cover 9 3 2 2 Removing the Rear Cover 0014 6184 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 1 Remove the 2 shafts 1 and detach the...

Page 95: ...r 2 Remove the right cover 3 Remove the left cover 4 Remove the rear cover 5 Remove the control panel 6 Remove the cartridge cover 9 3 5 2 Removing the Upper Cover 0014 6810 i SENSYS MF4150 i SENSYS M...

Page 96: ...Board 9 3 8 1 Preparation for Removing the SCNT Board 0014 5944 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 1 Remove the front cover 2 Remove the right cover 9 3 8 2 Removing the SCNT Board 0014 5...

Page 97: ...ut them inside the left side plate through the holes 2 F 9 20 5 Disconnect the 6 connectors 1 and free the cable 2 through the hole of PCB 6 Free the cable 3 from the cable clamp 4 F 9 21 7 Disconnect...

Page 98: ...ws 2 F 9 26 9 3 12 High voitage Power Supply PCB 9 3 12 1 Preparation for Removing the High Voltage Power Supply Board 0014 5948 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 1 Remove the front cove...

Page 99: ...Chapter 10 Maintenance and Inspection...

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Page 101: ...ically Replaced Parts 10 1 10 2 Consumables 10 1 10 2 1 Consumable 10 1 10 3 Periodical Service 10 1 10 3 1 Periodically Service Items 10 1 10 4 Cleaning 10 1 10 4 1 Cleaning Items 10 1 10 4 2 Cleanin...

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Page 103: ...f exchange User Toner cartridge FX 10 The toner disappears and Field engineer Responsible by Cleaning area Cleaning area Cleaning timing User External covers When they are smudged Copyboard glass When...

Page 104: ...he soft dry cloth 3 Scraper Open the ADF and wipe off the smudge with the soft dry cloth 4 Document delivery roller Wipe off the smudge with the soft dry cloth 5 Backside of copyboard cover Open the c...

Page 105: ...Chapter 11 Measurement and Adjustments...

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Page 107: ...Contents Contents 11 1 Basic Adjustments 11 1 11 1 1 Adjustment Items 11 1 11 1 2 Paper Margin Adjustment 11 1 11 1 3 Reading Adjustment 11 1 11 1 4 Print Adjustment 11 2...

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Page 109: ...S Item to enable adjusting reading start position of vertical scanning at ADF reading T 11 3 ADF SUB REGIST COPY Item to enable adjusting reading end position of vertical scanning at making copy ADF r...

Page 110: ...anning when making duplex prints from the manual feeder tray TOP DUPLEX CAS Item to enable adjusting recording start position of vertical scanning when making duplex prints from the pickup tray LEFT M...

Page 111: ...Chapter 12 Error Code...

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Page 113: ...Contents Contents 12 1 Error Code 12 1 12 1 1 Error Code Outline 12 1 12 1 2 Error Code 12 1...

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Page 115: ...the HVT unit Replace the DCNT board Error Code Description 0001 Nothing G3 signal received within 35 sec 0003 Received DIS after sending DIS signal 0004 Received DCN after sending DTC signal 0009 Can...

Page 116: ...after received is DCS signal 0070 User press stop key within receiving 0071 Memory full within receiving 0080 Can t detect any G3 signal within 35 sec specified by ITU T in phase B 0081 Received DTC...

Page 117: ...ithin phase 4 00DC Received T 30 signal in phase 4 other than DCS DIS or DTC 00DE Remote side no SUB capability 00E0 At phase D transmitting units out PPS_NULL 3 times consecutively but receive not an...

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Page 119: ...Chapter 13 Service Mode...

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Page 121: ...13 2 6 SSSW SW21 13 6 13 2 6 1 Function List 13 6 13 2 6 2 Bit 4 Elaborated 13 6 13 2 7 SSSW SW30 13 6 13 2 7 1 Function List 13 6 13 2 7 2 Bit 7 and 8 Elaborated 13 7 13 2 8 SSSW SW37 13 7 13 2 8 1 F...

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Page 123: ...ains a margin adjustment item in printing and scanning VERSION DISPLAY Displays version information on the screen SOFT SWITCH Contains basic service function setting items for facsimile such as commun...

Page 124: ...CM MODE CODING SCHEME 4mm 0 to 5 5mm 0 to 5 3 mm 0 to 5 33600 bps 33600 to 2400 33600 bps 33600 to 2400 10dBm 4 to 15 5dBm 8dBm 10dBm 10dBm ON OFF MMR MR MH Not used Not used Not used Not used EC UK S...

Page 125: ...TOP CASSETTE TOP DUPLEX MP TOP DUPLEX CAS LEFT MP LEFT CASSETTE LEFT DUPLEX MP LEFT DUPLEX CAS BOOK SCAN L R BOOK COPY L R BOOK FAX L R ADF SCAN L R ADF COPY L R ADF FAX L R SOFT SWITCH Bit Not used...

Page 126: ...CLEAR DATA DRAM CLEAR MEMORY CLEAR PRINT COUNTER SCAN COUNTER H W TEST SIGNAL TEST RELAY TEST SENSOR TEST DIAL TEST VOLUME TEST KEY TEST AGING CIS TEST BOOK SCAN TEST COPY TEST JPN PSUDO RING ADF SCAN...

Page 127: ...be selected from a list of languages 13 2 3 SSSW SW04 13 2 3 1 Function List 0014 6107 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 T 13 3 13 2 3 2 Bit 8 Elaborated 0014 6110 i SENSYS MF4150 i SEN...

Page 128: ...0014 6191 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 T 13 6 13 2 6 2 Bit 4 Elaborated 0014 6192 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 When received data in G3 mode consists 100 lines or...

Page 129: ...YS MF4140 i SENSYS MF4120 T 13 12 13 2 9 2 Bit 7 Elaborated 0014 6260 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 Enables to choose whether or not to carry out V 8 procedure during incoming calls...

Page 130: ...output setting T 13 14 13 2 11 SSSW SW54 13 2 11 1 Function List 0014 6266 i SENSYS MF4150 i SENSYS MF4140 i SENSYS MF4120 T 13 15 13 2 11 2 Bit 6 and 7 Elaborated 0014 6267 i SENSYS MF4150 i SENSYS M...

Page 131: ...push the OK button Stoppbotaning is pushed when coming off the test mode F 13 9 SERVICE DATA LIST N A M E V E G A T E L 1 2 3 4 5 6 7 D A T E 0 4 0 5 2 0 0 5 1 1 5 5 C O U N T R Y R E G I O N C O D E...

Page 132: ...acter on the display disappears when the key corresponding to the character is pushed The correspondence table of the character and the key is as follows When the key is pushed for all keys it is chec...

Page 133: ...Chapter 14 Service Tools...

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Page 135: ...Contents Contents 14 1 Service Tools 14 1 14 1 1 Solvents Lubricants Table 14 1...

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Page 137: ...E g Plastics Rubber Metals Grease Buildup Toner Buildup Alcohols Do not put close to fire Source locally 2 Lubricating Oil Apply to the gear Apply in between the shaft and the shaft support Special oi...

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Page 139: ...Aug 21 2006...

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