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Canon iR2422 series, Service Manual

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Canon iR2422 series Service Manual Download Page 167

Contents

Contents

7.1 Construction ...................................................................................................................................................................7-1

7.1.1 Specifications/Configuration/Operation Methods ....................................................................................................................... 7-1
7.1.2 Locations of Main Units (When the duplex unit is not equipped)............................................................................................... 7-2
7.1.3 Locations of Main Units (When the duplex unit is equipped)..................................................................................................... 7-3
7.1.4 Roller Layout Drawing ................................................................................................................................................................ 7-4
7.1.5 Paper Path Drawing(Printer on its own) ...................................................................................................................................... 7-4
7.1.6 Paper Path Drawing(Finisher-U2) ............................................................................................................................................... 7-5
7.1.7 Paper Path Drawing(Duplex Unit-A1(option)/Finisher-U2) ....................................................................................................... 7-5
7.1.8 Paper Path Drawing(Duplex Unit-A1(standard)/Finisher-U2) .................................................................................................... 7-5
7.1.9 Paper Path Drawing(Duplex-A1(option)).................................................................................................................................... 7-6
7.1.10 Paper Path Drawing(Duplex-A1(standard)) .............................................................................................................................. 7-6
7.1.11 Paper Path Drawing(Duplex-A1(option)/Inner 2Way Tray-E2) ............................................................................................... 7-7
7.1.12 Paper Path Drawing(Duplex-A1(standard)/Inner 2Way Tray-E2) ............................................................................................ 7-7
7.1.13 Paper Path Drawing(Inner 2Way Tray-E2) ............................................................................................................................... 7-8
7.1.14 Sensor Layout Drawing (When the duplex unit is not equipped).............................................................................................. 7-8
7.1.15 Sensor Layout Drawing (When the duplex unit is equipped).................................................................................................... 7-9

7.2 Detecting Jams .............................................................................................................................................................7-10

7.2.1 Delay Jams ................................................................................................................................................................................. 7-10

7.2.1.1 Delay Jam in Pickup Assembly.....................................................................................................................................................................7-10
7.2.1.2 Delay Jam in Delivery Assembly (Paper Leading Edge Jam at Delivery Sensor/Wound Paper Jam at Fixing Assembly).........................7-10
7.2.1.3 Duplex Paper Sensor 1 Delay Jam ................................................................................................................................................................7-10
7.2.1.4 Duplex Paper Sensor 2 Delay Jam ................................................................................................................................................................7-10

7.2.2 Stationary Jams .......................................................................................................................................................................... 7-10

7.2.2.1 Stationary Jam in Pickup Assembly..............................................................................................................................................................7-10
7.2.2.2 Stationary Jam in Delivery Assembly (Paper Trailing Edge Stationary Jam at First Delivery Sensor/Stationary Jam at First  Delivery Sensor)

7-10

7.2.2.3 Duplex Paper Sensor 1 Stationary Jam .........................................................................................................................................................7-11
7.2.2.4 Duplex Paper Sensor 2 Stationary Jam .........................................................................................................................................................7-11

7.2.3 Other Jams ................................................................................................................................................................................. 7-11

7.2.3.1 Door Open Jam .............................................................................................................................................................................................7-11

7.3 Cassette Pick-Up Unit..................................................................................................................................................7-11

7.3.1 Overview.................................................................................................................................................................................... 7-11
7.3.2 Cassette Pickup Operation ......................................................................................................................................................... 7-12
7.3.3 Cassette Paper Size Detection.................................................................................................................................................... 7-14

7.4 Manual Feed Pickup Unit ............................................................................................................................................7-14

7.4.1 Overview.................................................................................................................................................................................... 7-14
7.4.2 Post-pickup Control after Multi Manual Feed Pickup............................................................................................................... 7-15

7.5 Parts Replacement Procedure.......................................................................................................................................7-16

7.5.1 Pickup Roller ............................................................................................................................................................................. 7-16

7.5.1.1 Removing the Cassette Paper Pickup Roller.................................................................................................................................................7-16

7.5.2 Cassette ...................................................................................................................................................................................... 7-16

7.5.2.1 Removing the First Cassette Unit .................................................................................................................................................................7-16
7.5.2.2 Removing the Second Cassette Unit .............................................................................................................................................................7-17

7.5.3 Cassette Pickup Assembly ......................................................................................................................................................... 7-18

7.5.3.1 Removing the Cassette Pickup Assembly.....................................................................................................................................................7-18

7.5.4 Cassette Size Sensor .................................................................................................................................................................. 7-19

7.5.4.1 Removing the Paper Size Detection Switches ..............................................................................................................................................7-19

7.5.5 Cassette Retry Paper Sensor ...................................................................................................................................................... 7-19

7.5.5.1 Removing the Retry Sensor ..........................................................................................................................................................................7-19

7.5.6 Cassette Paper Sensor ................................................................................................................................................................ 7-19

7.5.6.1 Removing the Cassette Paper Presence/Absence Sensor..............................................................................................................................7-19

7.5.7 Cassette Pickup Solenoid........................................................................................................................................................... 7-19

Summary of Contents for iR2422 series

Page 1: ...May 12 2014 Service Manual iR2422 2420 2320 2318 Series...

Page 2: ......

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...

Page 6: ......

Page 7: ...cassette model 1 9 1 2 2 3 When Turning Off the Main Power Switch 1 cassette model 1 10 1 2 2 4 When Turning Off the Main Power Switch 2 cassette model 1 12 1 2 2 5 Control Panel 1 13 1 2 3 User Mode...

Page 8: ...2 30 2 5 5 Installing the Reader Heater 2 31 2 6 Installing the Cassette Heater 2 33 2 6 1 Preparing the parts 2 33 2 6 2 Installing the Cassette Heater 2 33 Chapter 3 Main Controller 3 1 Construction...

Page 9: ...n and Offset Correction 4 16 4 3 6 4 CMOS Sensor Output A D Conversion 4 16 4 3 6 5 Shading Correction Outline 4 16 4 3 6 6 Shading Adjustment 4 16 4 3 6 7 Shading Correction 4 17 4 4 Parts Replacemen...

Page 10: ...2 Major Components of Image Formation System 6 2 6 2 Image Formation Process 6 3 6 2 1 Image Formation Process 6 3 6 3 Basic Sequence 6 4 6 3 1 Basic Sequence of Operation 6 4 6 4 Driving and Controll...

Page 11: ...embly 7 10 7 2 1 2 Delay Jam in Delivery Assembly Paper Leading Edge Jam at Delivery Sensor Wound Paper Jam at Fixing Assembly 7 10 7 2 1 3 Duplex Paper Sensor 1 Delay Jam 7 10 7 2 1 4 Duplex Paper Se...

Page 12: ...the Fixing Film Speed 8 2 8 2 2 Controlling the Fixing Film Temperature 8 3 8 2 2 1 Outline 8 3 8 2 2 2 Controlling the Fixing Film Temperature 8 3 8 2 2 3 Target Temperatures by Mode 8 3 8 2 3 Detec...

Page 13: ...oving the Option Power Supply PCB 9 14 9 4 8 HVT PCB 9 15 9 4 8 1 Removing the HVT PCB 9 15 9 4 9 Fixing Heat Discharge Fan 9 15 9 4 9 1 Removing the Fan Filter Non Duplex Unit 9 15 9 4 9 2 Removing t...

Page 14: ...7 1 List of PCBs 12 8 12 2 7 2 List of PCBs 12 10 Chapter 13 Self Diagnosis 13 1 Error Code Table 13 1 13 1 1 List of Error Codes 13 1 13 2 Error Code Details 13 2 13 2 1 Error Code Details 13 2 13 3...

Page 15: ...14 11 14 9 4 Printer Test 14 11 14 9 5 Aging Test 14 12 14 9 6 Factory Test 14 12 14 9 7 Roller Clear Mode 14 14 14 9 8 Video I F Test 14 14 Chapter 15 Upgrading 15 1 Outline 15 1 15 1 1 Overview of U...

Page 16: ...Contents...

Page 17: ...Chapter 1 Introduction...

Page 18: ......

Page 19: ...ssette model 1 8 1 2 2 2 Turning On the Power Switch 2 cassette model 1 9 1 2 2 3 When Turning Off the Main Power Switch 1 cassette model 1 10 1 2 2 4 When Turning Off the Main Power Switch 2 cassette...

Page 20: ......

Page 21: ...e S1 can be placed on the Cassette feeding module T1 to use these cassette units as a 3 stage cassette unit 2 This accessory is required when the Finisher U2 Cassette feeding module T1 is installed 1...

Page 22: ...ding module S1 can be placed on the Cassette feeding module T1 A Cassette feeding module S2 can be placed on the Cassette feeding module T2 to use these cassette units as a 3 stage cassette unit 4 Thi...

Page 23: ...in the following figure F 1 3 1 This accessory comes standard 2 This accessory is required when the Finisher U2 Cassette feeding module T2 is installed 1 DADF P2 2 Platen Cover Type J 1 3 Finisher U2...

Page 24: ...uration is as shown in the following figure F 1 4 1 This accessory is required when the Finisher U2 Cassette feeding module T1 is installed 1 DADF P2 2 Platen Cover Type J 3 Finisher U2 4 Additional F...

Page 25: ...1 5 1 To operate the heaters a heater PCB is required These parts are supplied as service parts not the standard items 1 1 6 Printing Transmitting Accessories System Configuration 0020 4196 This mach...

Page 26: ...ol panel 11 Reader left cover 4 Delivery tray 12 Reader right cover 5 Front cover 13 Reader rear cover 6 Cassette 1 14 Rear cover 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right co...

Page 27: ...path roller 3 Laser scanner unit 12 Manual feed pickup roller 4 DC power supply PCB 13 Registration roller 5 HVT PCB 14 Transfer roller 6 Cassette 15 Drum unit 7 Toner bottle 16 Pressure roller 8 Pic...

Page 28: ...4197 The machine possesses 2 power switches main power switch and control power switch Normally i e unless the machine is in a sleep state the machine will be supplied with power when you turn on its...

Page 29: ...ine possesses 2 power switches main power switch and control power switch Normally i e unless the machine is in a sleep state the machine will be supplied with power when you turn on its main power sw...

Page 30: ...0 4198 During printing or fax data transmission reception F 1 11 Be sure to operate the main power switch while the Processing Data lamp on the control panel is not lit Turning off the main switch dur...

Page 31: ...Chapter 1 1 11 During downloading F 1 12 Do not turn off the power switch or ON OFF switch on the control panel Turning off the main power switch during downloading can make this machine inoperative...

Page 32: ...0 4807 During printing or fax data transmission reception F 1 13 Be sure to operate the main power switch while the Processing Data lamp on the control panel is not lit Turning off the main switch dur...

Page 33: ...During downloading F 1 14 1 2 2 5 Control Panel 0020 4199 Do not turn off the power switch or ON OFF switch on the control panel Turning off the main power switch during downloading can make this mach...

Page 34: ...y 23 Copy Ratio key 9 Numeric keys 24 2 Page Separation key 10 Control Panel Power Switch 25 Image Quality key 11 Additional Functions key 26 Finishing key 12 Stop key 27 Density key 13 Start key 28 D...

Page 35: ...avy Paper 1 Tray Designation Tray A Copy Off On Printer Off On Other Off On Tray B Copy Off On Printer Off On Other Off On Stand Stack Bypass Off On Paper Size LTR LTRR LGL STMT STMTR EXEC 11 x 17 Cus...

Page 36: ...Size Orig AB inch Size group selected Off Same Width Different Width A Size group selected Off On Finishing Collate Rotate Collate Group Rotate Group Offset Collate Offset Group Staple 2 Page Separati...

Page 37: ...increments Additional Functions Settings Auto Sleep Time Off On 3 to 30 minutes default settings are 5 min Auto Clear Time Off On 1 to 9 minutes default settings are 2 min Auto Shutdown Time Off On 1...

Page 38: ...ion Dept ID Management Off On Reg Edit Dept ID Department ID Password Limit Settings Erase Page Totals View Page Totals Clear All Totals Print List Allow Unkn ID Print Off On Allow Unkn ID Scan Off On...

Page 39: ...v6 On Off Off Stateless Address On Off On IPv6 Settings Manual Address Set Use Manual Address On Off Off Manual Address 39 Characters maximum 0 0 0 0 0 0 0 0 Prefix Length 0 to 128 64 Default Router A...

Page 40: ...ublic Community Name 2 Community Name NULL Writable SNMP 1 On Off On Writable SNMP 2 On Off Off Print Manage Info On Off On Ethernet Driver Auto Detect On Off On Communication Mode Full Duplex Half Du...

Page 41: ...an ADF is installed clean is document glass small 3 and glass holder 4 in the same manner F 1 17 3 Cleaning the Fixing Pressure Roller If white streaks are seen on the printed paper the fixing pressur...

Page 42: ...ng menu 3 Press the OK key 4 Using the arrow keys select Drum Cleaning Next press the OK key Cleaning will start 1 2 5 Safety 1 2 5 1 Safety of the Laser Light 0020 4065 Laser light can prove to be ha...

Page 43: ...l made of plastic iron and small amounts of dye Toner on Clothing or Skin 1 If your clothing or skin has come into contact with toner wipe it off with tissue then wash it off with water 2 Do not use w...

Page 44: ...600 x 600 dpi Printing resolution 600dpi x 600dpi First print time Book mode 7 9 sec or less Cassette capacity 250sheets 80 g m2 Multifeeder tray capacity 100 sheets 80 g m2 B4 LGL or less 64 g m2 80...

Page 45: ...uipement with Duplex unit approx 46 2 kg Paper size Single sided Casette feed Manual feed Plain paper A4 22 22 A5 23 23 A5R 13 B5 20 20 B5R 12 12 A4R 11 11 B4 9 9 A3 10 10 STMT 15 15 STMTR 13 EXE 21 L...

Page 46: ...2 7 2 Printing Speed iR2420 iR2320series 0020 4192 Bond paper A4 7 7 A5 5 5 A5R 4 B5 6 6 B5R 4 4 A4R 4 4 B4 5 5 A3 5 5 STMT 4 4 STMTR 4 EXE 6 LTR 7 7 LTRR 4 4 LGL 3 3 LDR 5 5 8K 5 5 16KR 3 3 16K 6 6...

Page 47: ...ng Speed iR2318series 0020 4209 Heavy paper 1 2 Heavy paper 3 A4 12 10 12 10 A5 13 11 13 11 A5R 10 7 B5 12 10 12 10 B5R 9 6 9 6 A4R 10 8 10 8 B4 8 6 8 6 A3 8 7 8 7 STMT 11 7 11 7 STMTR 9 6 EXE 12 10 L...

Page 48: ...Heavy paper 3 A4 12 10 12 10 A5 13 11 13 11 A5R 10 7 B5 12 10 12 10 B5R 9 6 9 6 A4R 10 8 10 8 B4 8 6 8 6 A3 8 7 8 7 STMT 11 7 11 7 STMTR 9 6 EXE 12 10 LTR 11 10 11 10 LTRR 9 8 9 8 LGL 8 5 8 5 LDR 8 7...

Page 49: ...e copy speed does not change irrespective of whether paper is supplied from the upper lower cassette the manual feed tray or from the cassette feeding module The copy speed may become down when the co...

Page 50: ......

Page 51: ...Chapter 2 Installation...

Page 52: ......

Page 53: ...tes 2 16 2 2 5 Attaching the Reversal Trays Only if equipped with duplex unit 2 17 2 2 6 Checking the Image Quality 2 17 2 3 Flow of Accessory Installation 2 19 2 3 1 Flow of Accessary Installation 2...

Page 54: ......

Page 55: ...in an area subject to dust or ammonium gas If the area is exposed to direct rays of the sun provide curtains to the window 4 The level of ozone generated by the machine will not affect the health of i...

Page 56: ...e documentation and CD against the following table 1 3 Names of Parts F 2 4 1 Drum unit 1 3 Cassette size label 1 2 Power cable 1 4 Caution sheet 1 Driver Utility CD ROM User Manual CD ROM Operators m...

Page 57: ...Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 5 Check the documentation and CD against the following table 1 3 Names...

Page 58: ...Chapter 2 2 4 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right cover lower...

Page 59: ...ld be connected to IT Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 7 1 1 cassette model 1 pc 2 cassette model 2 pcs...

Page 60: ...Chapter 2 2 6 6 Cassette 1 14 Rear cover 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right cover lower...

Page 61: ...ng that it would be connected to IT Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 9 Check the documentation and CD a...

Page 62: ...Chapter 2 2 8 8 Manual feed tray 16 Right cover lower...

Page 63: ...ng that it would be connected to IT Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 11 Check the documentation and CD...

Page 64: ...Chapter 2 2 10 8 Manual feed tray 16 Right cover lower...

Page 65: ...46 2 kg Be sure to work in a group of 2 persons when lifting it 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 13 1 2 cassette model 2 pcs 1 cassette mo...

Page 66: ...ocumentation CD ROM Easy Operation Guide Copying Guide Reference Guide 1 Copyboard cover 10 Left door 2 Reader front cover 11 Left cover rear 3 Control panel 12 Reader left cover 4 Delivery tray 13 Re...

Page 67: ...ps F 2 17 3 Open the packaging bag of the new drum unit take the new drum out of it and then remove packing tape F 2 18 4 Holding the protective cover 1 of the new drum unit place the drum unit agains...

Page 68: ...20 4256 1 Shake the toner bottle 5 6 times F 2 25 2 Open the front cover 1 F 2 26 3 Insert the toner bottle F 2 27 MEMO The protective cover will not be reused 1 1 2 1 1 If the machine is installed in...

Page 69: ...tting using upper lower arrow key and then press the OK key 7 Select Bit Switch 14 using upper lower arrow key and then press the OK key 8 Select 14 1 using upper lower arrow key and then press the OK...

Page 70: ...Turn the lever 1 of the paper front guide counterclockwise to release it Slide the paper front guide 2 to fit to the size of the paper to be used and then turn the lever clockwise to lock it F 2 34 5...

Page 71: ...he Image Quality 0020 4259 1 Plug 1 of the power cord into the outlet and then turn on the main power switch 2 Supply of toner will start after the initial rotation After a few minutes supply of toner...

Page 72: ...ying paper from the cassette or manual feed tray and check the printed image Also perform the following checks Check whether abnormal sound is heard Check the printed images at all preset magnificatio...

Page 73: ...st machine follow the following flow of work so that the work will become effective F 2 43 Cassette feeding module installation Duplex unit installation 1 Additional finisher tray installation Power s...

Page 74: ...2 4 pcs 1 Heater PCB unit 1 pc 2 Heater switch harness 1 pc 3 Cassette heater harness 1 pc 4 Heater control harness 1 pc 5 Clamp 4 pcs 6 Edge saddle small 2 pcs 7 Edge saddle large 1 pc 8 TP screw M3...

Page 75: ...RS tightening screws M3 x 8 2 2 pcs 6 Using a nipper or the like cut out the face plate 2 used to install a heater switch on the lower right cover 1 F 2 48 2 4 3 Installing the Heater PCB 0020 4265 3...

Page 76: ...ddle 2 then connect the header switch harness 1 routed to the front of the host machine to the connector J15 on the power supply PCB through the edge saddle 2 F 2 51 5 Install the three clamps 1 on th...

Page 77: ...hrough the wire saddle 2 and then connect it to the connector J17 3 on the power supply PCB F 2 54 10 Install the delivery tray RS tightening screws M3 x 8 2pcs 11 Install the upper right cover RS tig...

Page 78: ...r J15 on the power supply PCB through the edge saddle 2 F 2 57 5 Install the three clamps 1 on the back of the host machine 6 Connect the cassette heater harness 2 to the connector J1905 on the heater...

Page 79: ...ray RS tightening screws M3 x 8 2pcs 11 Install the upper right cover RS tightening screw M3 x 8 1pc 12 Install the lower right cover RS tightening screws M3 x 8 5pcs 13 Install the rear cover RS tigh...

Page 80: ...s 0020 4266 1 Prepare the following parts F 2 61 Before installing make sure the heater PCB has been installed 1 Reader heater 2 pcs 2 Heater harness 1 pc 3 Harness guide 1 pc 4 Right heater base 1 pc...

Page 81: ...over 2 RS tightening screws M3 x 8 1 3 pcs F 2 64 4 Detach the copyboard cover If ADF is equipped open the ADF 5 Detach the small cover 1 Screw 2 1 pc F 2 65 Before installing make sure the host machi...

Page 82: ...4 pcs F 2 67 9 Disconnect the four connectors 1 from the reader controller PCB 10 Remove the harness from the edge saddle clamp 2 11 Remove the flexible cable holder 3 and then disconnect the two flex...

Page 83: ...ugh it 17 Connect the heater connector left 5 to the hole 7 of the frame of the reader unit 18 Install the four wire saddles 8 and then pass the heater cable through them 19 Connect the heater harness...

Page 84: ...e machine with a DADF Follow the appropriate procedure a Machine with a Copyboard Cover 1 Remove the upper left cover 1 of the reader Screws 2 5 pcs F 2 73 2 Remove the blind plate 1 Screws 1 2 cps F...

Page 85: ...pc 3 Install the reader heater 3 on the header base 2 Screw 4 1 pc 4 Install the wire saddle 6 and route the cable 7 5 Connect the connector 5 of the heater F 2 80 Mount the stream reading glass with...

Page 86: ...ttach the front cover of the reader Screws 2 pcs 12 Install the copyboard glass 13 Install the right glass holder of the reader Screws 2 pcs 14 Attach the rear left cover of the host machine Screws 3...

Page 87: ...talling the cassette heater make sure the heater PCB has been installed No Part name Part number QTY 1 Cassette heater FK2 1088 000 230V 1 pc 2 P tightening screw M4x8 XB4 5400 809 1 pc Before install...

Page 88: ...en connecting the cassette heater to the cassette at the second or lower stage F 2 87 6 Attach the rear cover 4 screws 7 Turn on the main power switch of the host machine 8 Turn on the heater switch 1...

Page 89: ...Chapter 2 2 35...

Page 90: ......

Page 91: ...Chapter 3 Main Controller...

Page 92: ......

Page 93: ...der entry Image processing 3 4 3 3 4 Compression extension edit processing block 3 5 3 3 5 Printer output Image processing 3 5 3 4 Flow of Image Data 3 6 3 4 1 Image data flow of copy function 3 6 3 4...

Page 94: ......

Page 95: ...ion F 3 1 Item Function Image processor PCB System control Memory control Control of printer output image processing Reader image processing Image memory DDR Temporary storage for image data Capacity...

Page 96: ...3 3 Image Processing 3 3 1 Overview of Image flow 0020 4212 The following is the image flow using the function of this equipment Connector Description P101 Power supply connection slot P102 Reader Boo...

Page 97: ...Chapter 3 3 3 F 3 3 SEND FAX PullScan E Mail BDL Print PC Original Copy A A A Print output Scan Image data...

Page 98: ...ge sensor F 3 5 DDR Reader controller PCB image memory Temporary strage of program Image Processor PCB DC controller PCB Reader Unit This performs the image processing against the image data read at t...

Page 99: ...g 0020 4216 Image processor PCB executes the image processing against the image data sent from the reader unit F 3 7 Image processor PCB To the printer output image processing block Magnification chan...

Page 100: ...data flow of BDL function 0021 8146 Fllowing is the image data flow when the BDL function is used F 3 9 mage processing block for printer Image processing block for reader Reader unit Image processor...

Page 101: ...er lower arrow keys on the operation panel select Scanner test 5 Press the OK key 6 Using the upper lower arrow keys on the operation panel select CS Out put Test 7 Press the OK key 8 Select Yes and t...

Page 102: ......

Page 103: ...Chapter 4 Original Exposure System...

Page 104: ......

Page 105: ...ication Change in Vertical Scan Direction 4 11 4 3 3 2 Magnification Change in Horizontal Scan Direction 4 11 4 3 4 Detecting the Size of Originals 4 11 4 3 4 1 Outline 4 11 4 3 4 2 Outline of Origina...

Page 106: ...de 4 23 4 4 7 2 Removing the Original Sensor Horizontal Scan Direction When the original size detection sensor is equipped for BOOK mode 4 24 4 4 8 Reader Heater option 4 25 4 4 8 1 Removing the Reade...

Page 107: ...ocessor PCB Horizontal scan direction BOOK mode Carriage movement speed change and image processing by image processor PCB 1 ADF mode Original feed speed change and image processing by image processor...

Page 108: ...nal feed speed change and image processing by image processor PCB 1 Lens Rod lens array CMOS sensor Number of lines 1 Number of pixels Total 7488 incl 7176 effective pixels Maximum original scan width...

Page 109: ...original size for all destinations 4 Original sensor 4 SR407 Detects the original size AB INCH AB 5 Original sensor 5 SR408 Detects the original size INCH A 6 Reader motor M401 Pulse motor Controls d...

Page 110: ...g the original size when the copyboard cover angle is 30 deg 2 Reader controller PCB Controls drive of the reader unit and image processing 3 Reader motor M401 Pulse motor Controls drive of the carria...

Page 111: ...controller PCB 7 Original sensor horizontal scan direction 8 Original sensor vertical scan direction 9 Contact image sensor 10 Image signal 11 CISHP sensor PS503 12 Copyboard cover open close sensor F...

Page 112: ...ive control 5 Reader motor M401 6 Reader controller PCB 7 Contact image sensor 8 Image signal 9 CISHP sensor SR401 10 Copyboard cover open close sensor Front SR403 11 Copyboard cover open close sensor...

Page 113: ...4 Communicates with the main body printer J405 Connected to the copyboard open close sensor J406 Connected to the contact image sensor CIS HP sensor J407 Connected to the original sensor 1 and origina...

Page 114: ...F J404 Communicates with the main body printer J405 Connected to the copyboard open close sensor J406 Connected to the contact image sensor CIS HP sensor J407 Unused J408 Connected to the contact imag...

Page 115: ...vement Main power switch ON SREADY STBY Reader motor M401 LED CISHP sensor SR401 Shading position Shading position Shading position Leading edge of original 1 CIS position check CISHP sensor HP Backwa...

Page 116: ...r SR403 front SR402 rear signal Detects the open close status of the copyboard cover 4 3 1 2 Reader Motor Control 0020 4232 Original glass reading start position 1 Moves to the start position after bl...

Page 117: ...constant speed 118 mm sec 4 3 2 Contact Image Sensor CIS 4 3 2 1 Outline 0020 4233 Reader controller PCB 3 3V 24V RTP3APWN RTP3BPWN RTP3A RTP3B MO_STANDBY MO_TORQUE 5V J409 B B A A IC2 Motor driver 1...

Page 118: ...t Function LED Illuminates the original Light guide Illuminates the entire image line with the LED light Rod lens array Collects the light reflected by the original CMOS sensor array Receives the ligh...

Page 119: ...image processor PCB with the document scanning speed held at 118mm sec b When the ADF is used The document feed speed when the ADF is used is varied between 118 mm sec and 59 mm sec according to the...

Page 120: ...deg Original sensor Turns on and original size identification process 1 is performed B5 A4R A4 STMT R LTR R LTR 11 17 LGL B5R Index plate Original sensor 3 B4 A3 AB Configration Inch Configration Orig...

Page 121: ...cover is not closed fully the sensor level change is not detected after lapse of the above time out time F 4 21 Before original size identification processes 1 and 2 are performed the original size is...

Page 122: ...performed twice at position B If no dust is detected at position B the original is scanned at position B If dust is also detected at position B move to position C and dust detection is performed once...

Page 123: ...e pixels Pixel size 32 x 46 9 um Shading correction Shading correction Made for each job Shading adjustment Made in the Service mode Reader controller PCB CMOS sensor drive analog image processing A D...

Page 124: ...original is uniform 1 Variation in sensitivity among CMOS sensor pixels 2 Variation in light intensity of rod lens array The machine performs shading correction to even out the CMOS sensor out put The...

Page 125: ...DF harness Only for the ADF equipped 7 Remove ther reader rear cover 8 Remove the glass retainer 9 Remove the copyboard glass When removing the copyboard glass take care not to touch the following Gla...

Page 126: ...1 and one screw 2 to remove the harness guide 3 Remove three screws 4 F 4 36 14 Go to the back of the machine and then disconnect the four connectors 1 from the reader controller PCB 15 Remove the ha...

Page 127: ...all cover 5 Disconnect the ground cable of the ADF harness Only for the ADF equipped 6 Remove the ADF harness Only for the ADF equipped 7 Remove ther reader rear cover 8 Remove the glass retainer 9 Re...

Page 128: ...then disconnect the four connectors 1 from the reader controller PCB 15 Remove the harness from the edge saddle clamp 2 16 Remove the flexible cable holder 3 and then disconnect the two flexi ble cab...

Page 129: ...sor 2 to the position shown below F 4 49 10 Remove the rear side of the contact sensor 1 from the carriage 11 Disconnect the flexible cable 2 and then remove the contact sensor 1 F 4 50 F 4 51 4 4 4 2...

Page 130: ...4 4 6 Contact Sensor HP Sensor 4 4 6 1 Removing the Contact Sensor HP Sensor When the ADF is not installed 0020 4404 1 Remove the copyboard glass cover 2 Remove the copyboard glass 3 Pull the drive be...

Page 131: ...rtical Scan Direction When the original size detection sensor is equipped for BOOK mode 0020 4405 1 Open the copyboard glass cover or ADF 2 Remove the copyboard glass 3 Remove the cover 1 Screw 2 1 pc...

Page 132: ...he reader controller PCB and then re move the harness from the edge saddle 2 5 Remove the original size sensor horizontal scan direction 3 together with them mount Screws 4 2 pcs F 4 62 6 Remove the h...

Page 133: ...6 Remove the heater cover 1 Screw 2 1 pc F 4 68 7 Remove the reader heater left 1 Connector 2 1 pc Screw 3 1 pc F 4 69 4 4 8 3 Removing the Reader Heater Left When the ADF is installed 0020 4409 1 Ope...

Page 134: ...F 4 70 6 Remove the stream reading glass stay 1 Screws 2 2 pcs 7 Pull the drive belt front 3 in the direction of the arrow to move the contact sensor 4 to the center F 4 71 8 Remove the heater cover...

Page 135: ...9 Remove the reader heater left 1 Connector 2 1 pc Screw 3 1 pc F 4 73 2 3 1...

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Page 137: ...Chapter 5 Laser Exposure...

Page 138: ......

Page 139: ...1 Laser Emission ON OFF Control 5 4 5 2 1 2 Horizontal Synchronization Control 5 4 5 2 2 Controlling the Intensity of Laser Light 5 4 5 2 2 1 Automatic Photocurrent Control APC 5 4 5 2 3 Controlling...

Page 140: ......

Page 141: ...he hexahedral mirror When the hexahedral mirror rotates at a constant speed the photoconductor drum is scanned with laser beams at a constant speed When the photoconductor drum rotates at a constant s...

Page 142: ...mirror Reflects a laser beam toward laser mirror 2 3 Laser mirror 2 loop back mirror Reflects a laser beam toward the photoconductor drum 4 BD PCB Generates a BD signal 5 Polygonal mirror Scans the ph...

Page 143: ...y by the IC5 on the DC controller PCB Main control types are as follows 1 Laser emission ON OFF control video signal input 2 Horizontal synchronization control 3 Laser scanner motor control 4 Automati...

Page 144: ...to the hori zontal synchronization signal BD sent from the BD sensor in the laser scanner The horizontal synchronization signal is also used as a vertical synchronization signal to recognize the leadi...

Page 145: ...with reference to the laser scanner motor revolution speed signal FG signal After the target revolution speed is reached the revolution speed is controlled so that the BD cycle and the laser scanner...

Page 146: ...nterlocked laser shutter moves down shutting off the laser beam path When opening of the front cover or left door is detected the laser scanner motor and laser outputs turn off F 5 4 Laser shutter con...

Page 147: ...3 1 1 Removing the Laser Scanner Unit 0020 4410 1 Remove the rear cover 2 Open the front cover 3 Remove the right cover lower 4 Remove the delivery tray 5 Remove the metal plate 1 and laser scanner un...

Page 148: ...Chapter 5 5 8...

Page 149: ...Chapter 6 Image Formation...

Page 150: ......

Page 151: ...Toner Container 6 8 6 7 1 Outline 6 8 6 8 Transfer Unit 6 8 6 8 1 Outline of the Transfer Unit 6 8 6 8 1 1 Outline 6 8 6 8 2 Controlling the Transfer Bias 6 9 6 8 2 1 Transfer Roller Bias Control 6 9...

Page 152: ......

Page 153: ...charging AC DC ng roller diameter 14mm Transfer charging Charging method Roller charging DC Charging roller diameter 16mm Developing assembly Developing cylinder diameter 20mm Developing method Dry 1...

Page 154: ...m 0020 4090 F 6 1 1 Photosensitive drum 2 Cleaner blade 3 Primary charging roller 4 Drum unit 5 Blade 6 Developing assembly 7 Toner bottle 8 Developing cylinder 9 Transfer charging roller 10 Static el...

Page 155: ...block Step 1 Primary charging AC Minus DC Step 2 Laser exposure 2 Developing block Step 3 Developing AC Minus DC bias 3 Transfer block Step 4 Transfer Plus DC Step 5 Separation Minus DC 4 Fixing block...

Page 156: ...held higher than usual except during image formation To prevent the toner remaining on the photosensitive drum from sticking to the transfer charging roller the transfer roller bias which is lower tha...

Page 157: ...is applied to the transfer charging roller according to the instruction of the CPU on the DC controller PCB The primary DC bias and developing DC bias are changed according to the image density infor...

Page 158: ...apply the voltage generated by superimposing the primary AC bias over the primary DC bias to the primary charging roller The primary AC bias is detected by the primary AC bias current detection circu...

Page 159: ...eloping DC bias detection circuit and is fed back to the DC generation circuit via the comparison circuit thus con trolling the DC bias voltage The developing DC bias voltage changes with the primary...

Page 160: ...motor to supply toner into the developing assembly through the toner supply port F 6 11 1 Stirring rod 2 Toner bottle lever 3 Toner supply port 6 8 Transfer Unit 6 8 1 Outline of the Transfer Unit 6 8...

Page 161: ...1 Static Eliminator Bias Control 0020 4108 Two types of biases a high output bias and a low output bias are applied to the static eliminator using the static eliminator bias drive signal DISDCFOT and...

Page 162: ...w in the drum unit A torque limiter is provided at the end of the waste toner feed screw is provided with a torque limiter When the waste toner box is filled with waste toner the torque limiter goes o...

Page 163: ...embly F 6 19 Rear side Fit the pin 1 seen in the back of the main body in the support hole 2 pro vided at the back of the developing assembly F 6 20 6 10 2 3 Procedure after Replacing the Developing A...

Page 164: ...ollowing the above mentioned procedure 6 10 3 Transfer Charging Roller 6 10 3 1 Removing the Transfer Charging Roller 0020 4416 1 Open the left door 2 Remove the transfer charging roller 1 F 6 21 Do n...

Page 165: ...Chapter 7 Pickup Feeding System...

Page 166: ......

Page 167: ...Duplex Paper Sensor 1 Delay Jam 7 10 7 2 1 4 Duplex Paper Sensor 2 Delay Jam 7 10 7 2 2 Stationary Jams 7 10 7 2 2 1 Stationary Jam in Pickup Assembly 7 10 7 2 2 2 Stationary Jam in Delivery Assembly...

Page 168: ...ce Absence Sensor 7 20 7 5 10 Manual Feed Pickup Solenoid 7 21 7 5 10 1 Removing the Multifeeder Pickup Solenoid 7 21 7 5 11 Registration Roller 7 21 7 5 11 1 Removing the Registration Roller 7 21 7 5...

Page 169: ...tray Plain paper Large 50Sheets 64g m2 1 Small 100Sheets 64g m2 Large 50Sheets 75g m2 Small 100Sheets 75g m2 Large 50Sheets 80g m2 Small 80Sheets 80g m2 Large 50Sheets 90g m2 Small 50Sheets 90g m2 Thi...

Page 170: ...ions of main units of the pickup feeding system are shown blow F 7 1 1 Pickup assembly 2 Manual feed pickup assembly 3 Registration roller 4 Transfer assembly 5 Duplex print paper feed assembly option...

Page 171: ...ations of main units of the pickup feeding system are shown blow F 7 2 1 Pickup assembly 2 Manual feed pickup assembly 3 Registration roller 4 Transfer assembly 5 Duplex print paper feed assembly 6 Fi...

Page 172: ...ssette pickup roller 3 Feed roller 1 4 Multi pickup roller 5 Registration roller 6 Duplex print paper feed roller 3 7 Transfer roller 8 Fixing roller 9 Duplex print paper feed roller 2 10 Duplex print...

Page 173: ...Manual feed pickup 3 Delivery from copy tray 1 7 1 6 Paper Path Drawing Finisher U2 0020 4118 F 7 5 1 Cassette pickup 2 Manual feed pickup 3 Finisher U2 option 7 1 7 Paper Path Drawing Duplex Unit A1...

Page 174: ...option 4 Finisher U2 option 7 1 8 Paper Path Drawing Duplex Unit A1 standard Finisher U2 0020 4957 F 7 7 1 Cassette pickup 2 Manual feed pickup 3 Both sides re paper feed 1 4 Finisher U2 option 1 Thi...

Page 175: ...Delivery from copy tray 1 7 1 10 Paper Path Drawing Duplex A1 standard 0020 4958 F 7 9 1 Cassette pickup 2 Manual feed pickup 3 Both sides re paper feed 1 4 Delivery from copy tray 1 1 This comes sta...

Page 176: ...es re paper feed option 7 1 12 Paper Path Drawing Duplex A1 standard Inner 2Way Tray E2 0020 4959 F 7 11 1 Cassette pickup 2 Manual feed pickup 3 Delivery from copy tray 1 4 Delivery from copy tray 2...

Page 177: ...ing system is shown below F 7 13 1 Cassette 1 paper presence absence sensor SR204 2 Registration sensor SR209 3 Manual feed paper presence absence sensor SR208 4 Duplex print paper sensor 2 SR1003 Opt...

Page 178: ...within the jam detection time interval after paper pickup started 7 2 1 2 Delay Jam in Delivery Assembly Paper Leading Edge Jam at Delivery Sensor Wound Paper Jam at Fixing Assembly 0020 4130 Paper L...

Page 179: ...etect absence of paper within the prescribed time after the registration sensor has been turned off Stationary Jam at First Delivery Sensor The first delivery sensor cannot detect absence of paper wit...

Page 180: ...o the delivery tray through the transfer sepa ration fixing and delivery assemblies F 7 15 7 3 2 Cassette Pickup Operation 0020 4135 Rotation of the pickup roller is controlled by the pickup roller dr...

Page 181: ...ed roller shaft gear drive power is transferred to the feed roller shaft gear and consequently the feed roller starts rotating 4 When the pickup roller rotates once the toothless portion of the pickup...

Page 182: ...he size of paper Paper size switches are arranged as shown below Paper sizes are determined by the combinations of the switches pushed by the paper size lever F 7 19 ON The push switch is pushed OFF T...

Page 183: ...kup roller On the opposite side of the pickup roller is mounted a separation pad that separates only one sheet of paper from others and feeds it to the next section c Manual feed Tray Pickup Drive Mec...

Page 184: ...Cassette 7 5 2 1 Removing the First Cassette Unit 0020 4418 MEMO Lifting up of the host machine is necessary in the following work Therefore two or more person should be ready 1 Pull out the first cas...

Page 185: ...e screw 1 on the left side of the machine which fastens the machine and the cassette And then shorten the tip of part A and detach the spring 2 on the drive unit F 7 27 12 Open the left guide 1 and de...

Page 186: ...2 Remove the two connecting plates 1 Screw 2 4 pcs F 7 31 3 Remove the rear cover 1 Screw 2 4 pcs F 7 32 4 Remove the cassette rear cover 1 Screws 2 2 pcs F 7 33 5 Remove the two connecting plates 1 S...

Page 187: ...ving the Paper Size Detection Switches 0020 4422 1 Remove the paper size switches 1 Screw 2 1 pc F 7 39 7 5 5 Cassette Retry Paper Sensor 7 5 5 1 Removing the Retry Sensor 0020 4423 1 Remove the lower...

Page 188: ...nt cover 2 Turn the developer pressure release lever clockwise and then open the left door 3 Draw out the drum unit 4 Remove the transfer registration unit 1 Screw 2 4 pcs F 7 43 5 Remove the feed gui...

Page 189: ...Manual Feed Pickup Solenoid 7 5 10 1 Removing the Multifeeder Pickup Solenoid 0020 4436 1 Open the front cover 2 Turn the developer pressure release lever clockwise and then open the left door 3 Draw...

Page 190: ...e left door 3 Draw out the drum unit 4 Remove the two metal plates 1 and remove the registration roller 2 Screws 3 2 pcs F 7 54 7 5 12 Registration Clutch 7 5 12 1 Removing the Registration Clutch 002...

Page 191: ...5 14 1 Removing the Separation Pad 0020 4443 1 Open the front cover 2 Turn the developer pressure release lever clockwise and then open the left door 3 Draw out the drum unit 4 Remove the transfer reg...

Page 192: ...Chapter 7 7 24...

Page 193: ...Chapter 8 Fixing System...

Page 194: ......

Page 195: ...ing the Fixing Film Temperature 8 3 8 2 2 3 Target Temperatures by Mode 8 3 8 2 3 Detecting the Passage of Paper 8 4 8 2 3 1 Detecting the Passage of Paper 8 4 8 3 Parts Replacement Procedure 8 5 8 3...

Page 196: ......

Page 197: ...etection 2 Sub thermistor TH2 Fault detection 3 Thermo switch TP1 Fault detection Fixing temperature control 1 Warm up temperature control 2 Normal temperature control 3 Sheet to sheet temperature con...

Page 198: ...cycle of each rotation excluding the initial rotation and post rotation of the fixing drive motor starts when 1 second lapses after the motor starts rotating and ends when the trailing edge of the las...

Page 199: ...er than 275 deg C the sheet to sheet distance is increased to prevent the paper absent section temperature from rising If the sub thermistor detects a temperature equal to or lower than 220 deg C in t...

Page 200: ...0020 4155 The paper passage detection mechanism of the fixing unit is shown below F 8 4 If a delay jam is detected by the fixing delivery sensor SR202 the fixing motor is stopped immediately to preve...

Page 201: ...the earth wire 3 Screw 4 1 pc F 8 5 5 Remove the screw 1 securing the door support band Remove the con nector 2 and reusable band 3 and release the duplex unit harness from the wire saddle 4 F 8 6 6...

Page 202: ...F 8 12 8 3 2 Pressure Roller 8 3 2 1 Removing the Pressure Roller 0020 4447 1 Remove the fixing unit 2 Remove the fixing film unit 3 Raise the claw 1 of the fixing unit inlet guide and remove the sli...

Page 203: ...c F 8 17 5 Remove the right side stay 2 and left side stay 3 Screw 1 2 pcs F 8 18 6 Disconnect the connector 1 and release the fixing DC harness 2 from the harness guide 3 Unhook the claw 4 and remove...

Page 204: ...ixing unit AC harness F 8 20 8 Remove the roller guide unit 1 Screw 2 2 pcs F 8 21 9 Release the pressure plates 1 Screw 2 2 pcs F 8 22 10 After rotating the pressure plates 1 to release them from the...

Page 205: ...ew 1 1 pc F 8 26 5 Remove the right side stay 2 and left side stay 3 Screws 1 2 pcs F 8 27 6 Disconnect the connector 1 and release the fixing DC harness 2 from the harness guide 3 Unhook the claw 4 a...

Page 206: ...ving the Fixing Film Sensor 0020 4451 1 Remove the fixing unit 2 Disconnect the connector 1 release the two hooks 2 and then remove the film sensor 3 F 8 30 When installing the electrode plate 1 place...

Page 207: ...Chapter 9 External and Controls...

Page 208: ......

Page 209: ...ng the Lower left Cover 9 7 9 4 1 6 Left Cover Rear 9 8 9 4 1 6 1 Removing the Left Cover Rear 9 8 9 4 1 7 Reader Front Cover 9 8 9 4 1 7 1 Removing the Reader Front Cover 9 8 9 4 1 8 Reader Rear Cove...

Page 210: ...Contents 9 4 10 1 Removing the Fixing Unit Drive Motor 9 17 9 4 11 Left Door 9 17 9 4 11 1 Removing the Left Door Non Duplex Unit Type 9 17 9 4 11 2 Removing the Left Door With Duplex Unit Type 9 18...

Page 211: ...2 9 2 2 Fan Control 0020 4162 The fan motor control circuit is shown below F 9 3 Switching between full speed rotation and half speed rotation is controlled as described below 1 Full speed control Wh...

Page 212: ...body fan error When the cooling fan of the main body starts the fan lock detection signal FAN_LOCK has been held at the H level for longer than the prescribed time 9 3 Power Supply System 9 3 1 Power...

Page 213: ...9 3 1 2 Outline When the duplex unit is equipped 0020 5105 Part Name Function Power supply PCB Generates DC power from AC power Option power supply PCB option Generates DC power from AC power for the...

Page 214: ...9 3 1 3 Outline When the duplex unit is not equipped 0028 6587 Part Name Function Power supply PCB Generates DC power from AC power Option power supply PCB option Generates DC power from AC power for...

Page 215: ...he duplex unit is equipped 0028 6591 Part Name Function Power supply PCB Generates DC power from AC power Option power supply PCB option Generates DC power from AC power for the options Main power swi...

Page 216: ...with the load and then turn on the main power switch Further the power supply circuit has two fuses which blow to stop power supply when an excessive current flows in the AC line Part Name Function Po...

Page 217: ...nd then detach the right cover lower 3 Screws 4 5 pcs F 9 10 9 4 1 3 Right Cover Upper 9 4 1 3 1 Removing the Right Cover Upper 0020 4461 1 Remove the rear cover 2 Open the front cover 3 Remove the ri...

Page 218: ...ver 0020 4468 1 Remove the rear cover 2 Open the front cover 3 Remove the right cover lower 4 Remove the right cover upper 5 Remove the left cover rear 6 Open the copyboard cover or ADF 7 Remove the s...

Page 219: ...gistration clutch 8 Open the left door fully 9 Remove the gear unit 1 and gear 2 E ring 3 1 pc F 9 19 10 Pull out the handle 1 at the back of the machine remove the screw 2 and then remove the stopper...

Page 220: ...w F 9 25 8 Release the gear stopper 1 and then remove the gear 2 F 9 26 9 Remove the fixing drive unit 1 Connector 2 1 pc Screws 3 4 pcs F 9 27 9 4 4 Power Supply Unit 9 4 4 1 Removing the Main Power...

Page 221: ...2 Removing the Main Power Supply PCB 0028 6758 1 Remove the rear cover 2 Remove the right cover lower 3 Remove the delivery tray 4 Remove the power supply PCB 1 Connectors 2 8 pcs Screws 3 6 pcs F 9 3...

Page 222: ...guide 2 1 pc Connector 3 1 pc F 9 33 9 4 6 DC Controller PCB 9 4 6 1 Removing the DC Controller PCB 0020 4479 1 Remove the rear cover 2 Remove the DC controller PCB 1 Connectors 2 16 pcs Screws 3 4 pc...

Page 223: ...ve the right cover lower 3 Remove the delivery tray 4 Disconnect the connector J16 1 on the power supply PCB F 9 36 5 Disconnect the connector J53 1 on the power supply PCB 6 Remove the option power s...

Page 224: ...emove the rear cover 2 Remove the right cover lower 3 Remove the delivery tray 4 Disconnect the connector J16 1 on the power supply PCB F 9 38 5 Disconnect the connector J53 1 on the power supply PCB...

Page 225: ...9 1 Removing the Fan Filter Non Duplex Unit 0020 4482 1 Open the left door until it stops 2 Remove the transfer registration unit 1 Screws 2 4 pcs F 9 41 3 Disconnect the connector 1 and then release...

Page 226: ...ve the reusable band 5 from the duplex unit harness at the rear left of the main body and then return the duplex unit harness 6 to the left door side F 9 45 7 Rremove the transfer registration unit 1...

Page 227: ...1 1 Removing the Left Door Non Duplex Unit Type 0020 4488 1 Draw out the drum unit 2 Remove the rear cover 3 Remove the left cover rear 4 Release the duplex unit harness 1 Screw 2 1 pc Connector 3 1 p...

Page 228: ...ess at the rear left of the main body and then return the duplex unit harness 6 to the left door side F 9 54 7 Release the duplex unit harness 1 Screw 2 1 pc Connector 3 1 pc Reusable band 4 1 pc Wire...

Page 229: ...Chapter 10 Maintenance and Inspection...

Page 230: ......

Page 231: ...1 10 1 1 Overview 10 1 10 1 2 Reader Unit 10 1 10 1 3 Printer Unit 10 1 10 2 Durables and Consumables 10 1 10 2 1 Overview 10 1 10 2 2 Reader Unit 10 1 10 2 3 Printer Unit 10 2 10 3 Scheduled Servicin...

Page 232: ......

Page 233: ...does not have parts that require periodical replacement 10 1 3 Printer Unit 0020 4277 The printer unit does not have parts that require periodical replacement 10 2 Durables and Consumables 10 2 1 Over...

Page 234: ...100K The 2 stage cassette type uses two rollers 2 Cassette separation roller FF6 1621 1 100K The 2 stage cassette type uses two rollers 3 Manual feed pickup roller FL2 3202 1 150K 4 Manual feed separ...

Page 235: ...Chapter 11 Standards and Adjustments...

Page 236: ......

Page 237: ...11 1 11 1 1 Procedure after Replacing the CIS 11 1 11 2 Image Formation System 11 1 11 2 1 Procedure after Replacing the Developing Assembly 11 1 11 3 Electrical Components 11 1 11 3 1 Procedure after...

Page 238: ......

Page 239: ...machine stops the idling mode ends Install the toner cartridge following the above mentioned procedure 11 3 Electrical Components 11 3 1 Procedure after Replacing the Image Processor PCB 0020 4284 If...

Page 240: ...Chapter 11 11 2...

Page 241: ...Chapter 12 Correcting Faulty Images...

Page 242: ......

Page 243: ...3 12 2 Outline of Electrical Components 12 3 12 2 1 Clutch Solenoid 12 3 12 2 1 1 List of Clutches Solenoids 12 3 12 2 2 Motor 12 4 12 2 2 1 List of Motors 12 4 12 2 3 Fan 12 5 12 2 3 1 List of Fans 1...

Page 244: ......

Page 245: ...en Check whether the thermo switch is conductive Paper transport Check whether the paper transport path is free from foreign objects such as paper chips Check whether the paper pickup feed and separat...

Page 246: ...Chapter 12 12 2 Check the power cables and signal cables of options are connected properly Check whether no fuse on PCBs is blown Check whether the user uses the machine properly...

Page 247: ...open the package containing a toner cartridge developing unit or drum unit right after it has been brought in from a cold to warm place to avoid condensation Be sure to leave it alone for a while 1 t...

Page 248: ...Unit F 12 2 Printer Unit F 12 3 Symbol Name Function M401 Reader motor Drives the carriage Symbol Name Function M201 Fixing motor Drives the fixing unit M203 Polygon motor Drives the laser scanner M20...

Page 249: ...cover open closed sensor rear Detects opening closing of the copyboard cover SR403 Copyboard cover open closed sensor front Detects opening closing of the copyboard cover SR404 Original sensor 1 Detec...

Page 250: ...ste toner full status SR207 No 1 paper full sensor Detects the No 1 paper full status SR208 Manual paper sensor Detects presence absence of manually fed paper SR209 Registration sensor Detects registr...

Page 251: ...12 8 Symbol Name Function SW2 Front cover switch Detects opening closing of the front cover SW3 Left door switch Detects opening closing of the left door SW4 Cassette 1 size detection switch Detects...

Page 252: ...1 Fixing main heater Used as the main heater for fixing H2 Fixing sub heater Used as the sub heater for fixing H6 Cassette heater Prevents paper in the cassette from absorbing moisture VA1 Varistor Us...

Page 253: ...iR2320J FM4 9837 iR2422L iR2422D iR2422N iR2422 FM4 9838 iR2420L iR2420P iR2420 controls the printer unit option 5 Option power supply PCB FK2 1085 120V FK2 1086 230V Option power supply 6 Heater PCB...

Page 254: ...Chapter 12 12 10 F 12 12 12 2 7 2 List of PCBs 0028 6719 Reader Unit F 12 13 Symbol Name Part No Function 1 Reader controller PCB FM1 A798 controls the reader unit ADF 7 8 9 1...

Page 255: ...output image data for the printer unit 4 DC controller PCB FM4 9837 iR2422 FM4 9838 iR2420 controls the printer unit option 5 Option power supply PCB FK2 1086 230V Option power supply 6 Heater PCB FM2...

Page 256: ......

Page 257: ...Chapter 13 Self Diagnosis...

Page 258: ......

Page 259: ...Code Details 13 2 13 3 Jam Code 13 4 13 3 1 Jam Codes Related to Printer Unit 13 4 13 3 2 Jam Codes Related to Finisher 13 4 13 3 3 Jam Codes Related to ADF 13 5 13 3 4 Jam Codes Related to Duplex Uni...

Page 260: ......

Page 261: ...r E100 0000 BD cycle out of range E261 0000 Zero cross signal error E500 0001 Finisher communication error 0002 No 1 paper full sensor SR207 connect error 0003 No 2 paper full sensor SR1101 connect er...

Page 262: ...ified value it does not reach the specified value during initial rotation Check the connector of the fixing film unit Replace the fixing film unit Replace the DC controller PCB E007 0000 Fixing film s...

Page 263: ...startup Replace the DC controller PCB or image processor PCB E805 0000 Fan failure The fan is faulty Check the fan connector Replace the fan Replace the DC controller PCB E808 0000 Fixing drive circu...

Page 264: ...very sensor cannot detect absence of paper within the specified time after the sensor detected the leading edge of paper The No 1 delivery sensor cannot detect absence of paper within the specified ti...

Page 265: ...peration of the drive system 000f User ADF open sensor of the reader unit The ADF was opened during operation of the drive system 0010 Pickup NG The registration sensor has been held off since paper p...

Page 266: ...1101 E520 0000 Offset motor or finisher controller PCB failure Offset HP sensor failure The offset motor was driven for 1000 ms in the HP sensor approach direction but the offset HP sensor did not tur...

Page 267: ...tray shift motor Replace the finisher controller PCB 0003 Standard tray shift motor or finisher controller PCB failure Standard tray HP sensor failure Standard tray clock sensor failure Standard tray...

Page 268: ...er PCB failure Optional tray HP sensor failure Optional tray clock sensor failure Optional tray shift motor load failure The encoder clock signal was not detected two or more times when the optional t...

Page 269: ...Chapter 14 Service Mode...

Page 270: ......

Page 271: ...14 4 3 Print Position 14 6 14 5 Counter 14 6 14 5 1 Outline 14 6 14 6 Display 14 7 14 6 1 Version Display 14 7 14 6 2 Error Code Display 14 7 14 7 Report 14 7 14 7 1 Outline 14 7 14 7 2 Service Data...

Page 272: ......

Page 273: ...stimates for maintenance parts replacement Display Displays ROM information such as version numbers and an error code is displayed when a service error has occurred Report Use it to generate reports o...

Page 274: ...erator call Other country region Service call Operator call Service call Waste toner full display setting Adjust CISPosition Adjust Shading Position 22 6 to 48 one unit 0 1mm Distance from the standby...

Page 275: ...nagement Page Totals menu PWD Clear Clears the system administrator s password All Clear Clears user and service data except for some scan parameters and the user data System Settings Dept ID Manageme...

Page 276: ...to keep it from exceeding a predetermined level during printing Detailed Discussions of BitSW14 1 Select whether to enable or disable developing assembly idling mode Select On to drive the main motor...

Page 277: ...stuck delivered sheets occurring with paper picked from cassette 3 Fuser temp Tray4 Lower the fixing temperature from the target temperature setting to reduce the chances of fixing offsets and curled...

Page 278: ...direction This menu is used to adjust the ADF feed motor speed If you changed the adjustment value in this mode the adjustment value selected for ADF Motor Zoom must also be incremented decremented by...

Page 279: ...e 3 jam counter C4 Cassette 4 jam counter MF Manual feed tray pickup total counter Feeder Counter FEED Feeder pickup total counter DFOP CNT ADF open close hinge counter Jam Counter TTL Unit total jam...

Page 280: ...14 8 Item Explanation Service Data List Service data list output Service Label Output of an entry format for the service label affixed to the rear cover as shipped Error Log Report Jam and error hist...

Page 281: ...ADJUST Reading Adjust Def 1 2 3 Def 1 2 3 TOP B 50 BOOK M R 35 TOP T 50 BOOK S R 115 TOP D 50 BOOK M Z 16 Left B 100 BOOK S Z 16 Left T1 100 ADF M R 35 Left T2 100 ADF S R D 220 Left T3 100 ADF S R C...

Page 282: ...ce 8 Position 3 Main body 5 Finisher 9 Error code Error code and detail code Item Explanation Service Data Clear Initializes service data Clear the service mode data of Service Choice and Adust menu T...

Page 283: ...ery thing is OK it Will display OK and automatically clear DRAM After DRAM clears finish LCD will display Data is Clear 14 9 3 Scanner Test 0022 5247 14 9 4 Printer Test 0022 5248 Select the item to g...

Page 284: ...or SR208 1 Document presence 0 Document absence TONER Waste toner full sensor SR206 0 Full 1 Available 2ND DEL No 1 paper full sensor SR207 0 Document presence 1 Document absence OP1 left Left Cassett...

Page 285: ...ht 1 Pressed 0 Not pressed SW1 right 1 Pressed 0 Not pressed Display Position Sensor Name Explaination DS ADF document sensor PI11 On Paper presence Of Paper absence DES ADF read sensor PI7 On Paper p...

Page 286: ...and ADF two parts Press OK key execute clear function Press STOP can stop clear function Select the Printer menu and start the cleaning of the transfer roller by idling Select the ADF menu and start t...

Page 287: ...Chapter 15 Upgrading...

Page 288: ......

Page 289: ...5 1 Outline 15 1 15 1 1 Overview of Upgrade 15 1 15 2 Downloading System Software 15 1 15 2 1 Downloading System 15 1 15 2 1 1 Downloading Procedure 15 1 15 2 2 Downloading BOOT 15 4 15 2 2 1 Download...

Page 290: ......

Page 291: ...start UST 2 When the power switch is turned on the Found New hardware Wizard appears Click Cancel F 15 1 3 Press the Additional Functions key on the control panel of this machine to enter into the use...

Page 292: ...Chapter 15 15 2 8 Select Next following the instruction shown on the screen F 15 2 9 Select Next following the instruction shown on the screen F 15 3...

Page 293: ...Chapter 15 15 3 10 Select Next following the instruction shown on the screen F 15 4 11 Select Start following the instruction shown on the screen F 15 5...

Page 294: ...he control panel of this machine F 15 7 14 When version update is completed the following screen appears Turn off this machine and then turn it on again to allow the new firmware to take effect F 15 8...

Page 295: ...Chapter 16 Service Tools...

Page 296: ......

Page 297: ...Contents Contents 16 1 Service Tools 16 1 16 1 1 Special Tools 16 1 16 1 2 Oils and Solvents 16 1...

Page 298: ......

Page 299: ...checks Cover switch TKN 0093 A Tester extension pin FY9 3038 A As an addition when making an electrical check Tester extension pin L shipped FY9 3039 A As an addition when making an electrical check N...

Page 300: ......

Page 301: ...Chapter 17 Backup Data...

Page 302: ......

Page 303: ...Contents Contents 17 1 Backup Data 17 1...

Page 304: ......

Page 305: ...red Data Locatio n Replacement Delete User function Service function 3 LUI RUI ImageP rocesso r PCB Reader controll er PCB DC controll er PCB Commo n Settings Initializ e Commo n Copy Settings Initial...

Page 306: ......

Page 307: ...May 12 2014...

Page 308: ......

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