Ricoh V-C3 Technical Training Manual Download Page 372

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V-C3 Training

372

Slide 372

Developer Replacement – 5

Remove the Old Developer (Use the Tools)

Attach the two tools as explained in the service manual.

Make sure that the angle of the jig is correct.

Always use the brown coupling, to prevent wear on the PCU
components.

Attach and rotate the brown coupling as shown to remove the
developer.

Metal
Jig

Brown
Coupling

V-C3 series field service manual, Replacement and

Adjustment, PCU, Developer Replacement

This removes most of the developer but not all of it. Do the procedure in the
manual to remove all the developer.

Then clean the development unit. The ends must be completely free of old
developer.

Summary of Contents for V-C3

Page 1: ...V C3 Training 1 Slide 1 V C3 TECHNICAL TRAINING FULL COURSE This course is for technicians who have not worked with the V C1 V C2 color copiers...

Page 2: ...ide 2 Introduction This machine is a high speed network multi functional color copier Based on the GW Architecture Provides the following Network Scanning Local Storage Copying Scanning Fax Printing N...

Page 3: ...d its peripherals in the field Understand how the machine and the peripherals work Understand and perform routine maintenance Understand the PM table and counters Understand the SP codes Troubleshoot...

Page 4: ...e peripherals Study how to access SP modes and user tools Study how to update the firmware MAINTENANCE PM is described briefly MACHINE OVERVIEW The components will be discussed The paper feed path and...

Page 5: ...s will be discussed WASTE TONER COLLECTION Waste toner collection will also be discussed There is no recycling PROCESS CONTROL This section explains the basic points about how the machine controls the...

Page 6: ...B234 series Katana C1 A3 DLT KIT FOR TRAY 1 B331 This optional kit for the tandem tray will be described here This is the same as the one used in the V C2 COVER INTERPOSER TRAY B704 This optional cove...

Page 7: ...me as the one that was used with the B234 series Katana C1 This finisher has an optional punch unit B831 and a built in jogger unit 2 000 SHEET BOOKLET FINISHER 3 000 SHEET FINISHER D373 D374 These ar...

Page 8: ...8 Slide 8 V C3 TRAINING COPIER ENGINE PRODUCT OVERVIEW PURPOSE OF THIS SECTION The model will be introduced The optional peripherals will be introduced The product concept sales points and targets wil...

Page 9: ...V C3 Training 9 Slide 9 Product Overview Overview of the Machine No additional notes...

Page 10: ...10 Slide 10 Target Markets This machine is targeted for the office environment and for the light production market Two basic configurations of options are available to meet each of these needs No add...

Page 11: ...e 11 Product Appearance For the Office Environment ADF Booklet Finisher Here is a view of the copier with some of the important options attached The ADF is a standard part of the machine The Booklet F...

Page 12: ...ppearance For the Light Production Market LCT A4 Cover Interposer Finisher with 100 sheet Stapler Here is a view with a different set of options installed There is one limitation for this market the m...

Page 13: ...V C3 Training 13 Slide 13 Operation Panel The operation panel has also been re designed No additional notes...

Page 14: ...ilt in scanner printer unit The VM card is inserted in the lower slot at the factory The new App 2 Me feature is built into this VM card but must be enabled at installation Both models have a 320 GB h...

Page 15: ...V C3 Training 15 Slide 15 Product Overview Features No additional notes...

Page 16: ...ns All the paper should be stored in the same place where the room temperature is 20 25 degrees and the humidity is 30 65 Any curls in the paper should be smoothed out before loading it When loading t...

Page 17: ...V C3 Training 17 Slide 17 Loading Heavy Paper Load paper so that the grain is in the correct orientation No additional notes...

Page 18: ...e paper feed path is not as sharp see the next slide This makes it easier for paper up to 256 g m2 thick to pass through the junction to the vertical paper feed path The gap has been widened for Tray...

Page 19: ...Slide 19 Improved Thick Paper Handling The bend at the exit from the tray is smoother in Tray 3 This allows the tray to feed thick paper 2 without problems V C1 V C2 V C3 Trays 1 and 2 V C3 Tray 3 No...

Page 20: ...i printing High gloss paper 1 30 37 5 Depends on the thickness 30 37 5 Depends on the thickness Thin Paper 52 3 65 9 75 70 Plain Paper 66 99 9 75 70 Middle Thick 100 127 4 60 60 Thick Paper 1 127 5 16...

Page 21: ...m up time is faster than the V C2 series copiers V C2 75 seconds First Copy Time C3a Less than 5 7 C3b Less than 4 9 seconds C3a Less than 7 5 C3b Less than 6 4 Warm up Time US C3a Less than 70 C3b Le...

Page 22: ...V C3 Training 22 Slide 22 Improved Animation Animation helps the user solve problems inside the machine No additional notes...

Page 23: ...F scans the front side and a CIS inside the ADF scans the rear side Scanning speed Single sided Color 70 ppm B W 82 ppm same as V C2 Duplex Color 90 ppm B W 130 ppm V C2 was Color 53ppm B W 60ppm CIS...

Page 24: ...complished by adjusting paper feed timing to narrow the gap between sheets of paper in the paper path The line speed for both models is not changed from the V C2 series models This is only done for th...

Page 25: ...7 9 11 13 15 17 19 21 55 60 65 70 75 80 PPM TEC KW RICOH FUJI XEROX KonicaMinolta SHARP TOSHIBA V C1a The Lowest TEC level V C2a V C2b V C3b V C3b V C3a V C3a The maximum power consumption is not cha...

Page 26: ...r people with D type color weakness Photo no change Graphic can be adjusted Letters can be adjusted Color Barrier free mgn mode OFF Color Barrier free mgn mode ON Orange red 2 blue colors are distingu...

Page 27: ...s LCT is installed The paper capacity for 80g m2 paper is 2 000 sheets Air assisted paper feed helps separate sheets of thick paper See the next slide for details New A3 DLT LCT This LCT can hold pape...

Page 28: ...e Capacity Tray Option Air Assisted Paper Feed Air from two fans float the top sheet of paper This helps to separate the top sheet from the stack This only works for the following paper types Thick 2...

Page 29: ...V C3 Training 29 Slide 29 Other Peripherals These three are also used on the B C4 series Cover Interposer Finisher with 100 sheet Stapler Multi folder Unit B C4 Katana C2...

Page 30: ...V C3 Training 30 Slide 30 Product Overview Options No additional notes...

Page 31: ...1 x17 A3 Tray Unit A3 11 x17 Tray Type 2105 Lets you convert tray 1 from a tandem A4 LT tray to an A3 DLT tray Tab Sheet Holder Unit Tab Sheet Holder Type 3260 Lets you feed tab sheets from tray 2 or...

Page 32: ...the V C2 Feeds 8 5 x 11 SEF and A4 SEF Holds 4 000 sheets LCT Adapter LCT Adapter Type B Must be used when you install the A4 LT LCT on the V C3 LG Unit for A4 LT LCT 8 5 x14 Paper Size Tray Type 107...

Page 33: ...for the V C2 2 000 sheet finisher with saddle stitching D373 SR4040 New item based on the finisher for the V C2 3 000 sheet finisher with 100 sheet stapler B830 SR5000 Also used with the V C2 Copy tr...

Page 34: ...s Punch Units Punch Unit Type 3260 NA 3 2 for North America Punch Unit Type 3260 EU 2 4 for Europe Punch Unit Type 3260 SC for Scandinavia Jogger Unit Output Jogger Unit Type 3260 These are all the sa...

Page 35: ...be used when you install the B830 finisher on the V C3 Punch units Punch Unit Type PU5000 NA 3 2 for North America Punch Unit Type PU5000 EU 2 4 for Europe Punch Unit Type PU5000 SC for Scandinavia Th...

Page 36: ...inishers Cannot be installed on the same machine as the B830 finisher Multi folding Unit Same as the MT C4 and Katana C2 Can be installed with the D373 and B830 finishers Cannot be installed on the sa...

Page 37: ...not be installed on the same machine at the same time Cover Interposer two trays CI5000 B835 Same as the one that is used with the Katana C1 Can be installed with the B830 finishers but not with the D...

Page 38: ...3 Training 38 Slide 38 Optional Controller Fiery controller Fiery color utilities and advanced PostScript functions The GW printer scanner controller is built in as standard equipment No additional no...

Page 39: ...ed with the V C2 Bluetooth Interface Unit Type 3245 Also used with the V C2 Gigabit Ethernet Unit Type B Also used with the V C2 From the IEEE1284 IEEE802 11b Bluetooth and File Format Converter units...

Page 40: ...0 Slide 40 Security Options Data Overwrite Security System Type H Also used with the V C2 Copy Data Security Unit Type F Also used with the V C2 HDD Encryption Unit Type A Also used with the V C2 No a...

Page 41: ...V C3 Training 41 Slide 41 Fax Board Fax Option Type C7501 New Item G3 Interface Unit Type C7500 Also used with the V C2 Memory Unit Type B 32MB Used with other models No additional notes...

Page 42: ...V C3 Training 42 Slide 42 Memory Options There are no memory options Memory and hard disks are standard equipment No additional notes...

Page 43: ...rt The heater should be connected during installation if the customer wants to use it This machine also has a heater below the image transfer belt to remove moisture in the transfer area This is a sta...

Page 44: ...Browser Unit Type E Also used with the Katana C2 Optional Counter Interface Unit Type A Also used with the V C2 Key Counter Bracket Type 1027 Also used with the V C2 Key Card Bracket Type B Also used...

Page 45: ...lot Type D D505 can be installed on the right end of the operation panel This device enables easier access to USB and SD card slots at the front of the main machine This option can be installed for th...

Page 46: ...annot be printed or sent using the machine s operation panel To perform operations on files saved on a removable memory device you must use an application on a client computer Files saved on a removab...

Page 47: ...pports FAT16 format USB memory devices and SD cards Other forms of removable memory device are not compatible Saving might fail if the USB memory device has password protection or other security featu...

Page 48: ...V C3 Training 48 Slide 48 Optional USB 2 0 SD card slot After you install this option you must enable it with Scanner SP Mode 1013 Change the SP setting from 0 to 1...

Page 49: ...on the VM card However it must be enabled at installation The procedure is in the field service manual for the main machine At the end of the section for installing the main machine see the Enabling A...

Page 50: ...ne of these copy them onto one SD card You cannot copy the PostScript card However you can copy the other SD cards to the PostScript card Also use this slot to install the following SD card options re...

Page 51: ...ntains the VM card with App 2 Me when shipped Use this slot for service procedures such as firmware update and NVRAM backup When doing the above remove the VM card do the procedure see the service man...

Page 52: ...g is registered for the machine step 2 and 3 are required Otherwise skip to step 4 2 Push the Login Logout key 3 Login with the administrator user name and password 4 Touch Extended Feature Settings t...

Page 53: ...on 3 Press the User Tools key on the operation panel If an administrator setting is registered for the machine steps 4 and 5 are required Otherwise skip to step 6 4 Push the Login Logout key 5 Login...

Page 54: ...E OF THIS SECTION To learn how to install the machine and peripherals There are a lot of notes and cautions for the installation procedures for this model We will study the important ones before we st...

Page 55: ...LG B4 tray for the A4 LT LCT Finishers cover interposers mailbox folder Two basic configurations to install Connectivity options Update firmware This slide shows what we shall do in this section There...

Page 56: ...lides show the most important points of the installation procedure They are not the full procedure To do the full procedure you must use the manual First study these important points Then install your...

Page 57: ...rom spilling out They are not used during installation There is one cap for each PCU It goes over the toner supply port see the next slide These caps are needed when you replace developer They plug th...

Page 58: ...V C3 Training 58 Slide 58 Toner Supply Port The toner supply port is here in the red circle No additional notes...

Page 59: ...clearly marked D081 D082 The developer for this machine is clearly marked D081 Do not use any other types of toner or developer with this machine Please instruct the customer to use only toner cartri...

Page 60: ...V C3 Training 60 Slide 60 SP Mode Factory Setting List This list is under the ADF cover Remove it Keep it safely for future reference Do not throw it away No additional notes...

Page 61: ...V C3 Training 61 Slide 61 Remove the Red Paper Pull away the white plate and remove the red paper No additional notes...

Page 62: ...emove These Items Only Do not remove anything else at this time See the next slide for details Remove this sheet of paper Remove these tapes Remove this lever and the tape DO NOT REMOVE NOW DO NOT REM...

Page 63: ...l Tapes and Packing Material This is what you see when you open the front cover The transfer belt release lever is taped in a temporary shipping location as shown here We remove it now and put it in t...

Page 64: ...the same as the PCU stand for the V C2 The correct storage location for this is explained later in the course Tray 3 also contains accessories Unpack them as shown in the manual PCU Stand The V C3 PCU...

Page 65: ...ail Use the handles at the top The hopper is heavy so make sure that it disengages fully see the red circle Handles Support Leg Make sure it disengages here V C3 field service manual Installation Copi...

Page 66: ...V C3 Training 66 Slide 66 Removing the Faceplate Remove the indicated tag Then disconnect a connector and remove the faceplate Remove this tag No additional notes...

Page 67: ...Training 67 Slide 67 Do not Remove the PCUs For this model we do not need to remove the PCUs during installation Developer is installed without removing the PCUs as we shall see later No additional n...

Page 68: ...stabilizing rod attached to the red tag Pull the tag by the reinforced ring part If not you could pull the wire off Pull here The rod comes out V C3 field service manual Installation Copier Installat...

Page 69: ...ou can open the drawer unit and remove the protective sheet of paper from the drawer Do this exactly as described in the service manual V C3 field service manual Installation Copier Installation Remov...

Page 70: ...PTR during shipping It also reminds you that the stabilizing rod should have been removed already If not do it now before you remove this sheet Do not slide the drawer back in until after you have rem...

Page 71: ...3 Training 71 Slide 71 Fusing Unit Now remove the protective sheet of paper from the fusing unit V C3 field service manual Installation Copier Installation Remove Remaining Retainers and Packing Mater...

Page 72: ...raining 72 Slide 72 Re attach the Faceplate Attach the screws in the correct sequence Do not tighten them strongly 1 4 2 5 3 V C3 field service manual Installation Copier Installation Reattach the Fac...

Page 73: ...the most important points of the installation procedure They are not the full procedure To do the full procedure you must use the manual First study these important points Then install your machines I...

Page 74: ...w freely from each bottle Then we use SP mode to transfer the developer from the bottles to the PCUs The SP installs all 4 developers at once There are SPs to install individual colors also but at ins...

Page 75: ...described in the service manual Do not turn the machine on or off or open or close the front door until you are instructed to do so in the installation procedure The toner hopper unit must be off the...

Page 76: ...the lever to the tip of the shaft Rotate the lever down This separates the transfer belt from the surfaces of the PCU drums Lever Lever V C3 field service manual Installation Copier Installation Filli...

Page 77: ...ide 77 Installing Developer 2 Find the Y Developer Bottle Make sure that it is marked D081 as shown There are two models in the V C3 series D081 and D082 For both models the developer is marked D081 N...

Page 78: ...n the Developer Hold the bottle upside down as shown Shake the bottle up and down 10 to 15 times The opening must point up when you do this Developer Bottle This is necessary because the developer set...

Page 79: ...veloper Bottle on the PCU Set the opening of the bottle as shown 1 Make sure that you attach A firmly to B Swing the bottle up 2 until it snaps into place 3 The order from left to right is Y C M K A B...

Page 80: ...loper Bottle on the PCU Rest the neck of the developer bottle on the PCU as shown in the photo on the left While keeping the contact between the neck of the developer bottle and the PCU slide the neck...

Page 81: ...e developer bottle up in the direction of the arrow marked 3 and lock the neck of the bottle into the PCU Check the tab and make sure the bottle is locked in place If it is not locked in place push th...

Page 82: ...re that the neck of each bottle has snapped into place If it is out of place developer will spill out after the seal is removed B Make sure there is no gap between the developer and the PCU Catch Enga...

Page 83: ...per 5 Remove the Seals Pull out all four seals Hold the bottle with one hand and slowly pull out the seal with the other Tap the side of each bottle to make sure that developer flows freely Pull out t...

Page 84: ...lide 84 Installing Developer 6 Make sure that the Lever is Down The lever must be down before you start the SP modes If the lever is up SP3814 fill the PCUs with developer from the bottles will fail N...

Page 85: ...ted correctly If all is correct you should see 1111 on the display If another number is shown see the service manual For example if 1191 is displayed this could mean that the tape was not removed from...

Page 86: ...front door Shine a light through the neck of the bottle to make sure that the bottle is empty Try this with a full bottle and an empty bottle and make sure that you can understand the difference betwe...

Page 87: ...e If all bottles are empty turn the machine power off and disconnect the power cord Remove the empty developer bottles It may be necessary to use a small screwdriver to disconnect the bottle at the la...

Page 88: ...ent it from coming off then tap the bottle gently a few times Open the front door then turn on the main power switch When you see the door open message on the screen close the door Wait about 40 sec u...

Page 89: ...ve the developer bottle and the PCU Cover the toner bottle with a plastic bag and seal the mouth of the bag with your hand 1 Remove the bottle 2 Remove the faceplate and remove the PCU from the machin...

Page 90: ...lever to the vertical position until it locks DO NOT FORGET THIS OR YOU WILL GET AN SC CODE Lever V C3 field service manual Installation Copier Installation Reinstall the Toner Hopper If you forget t...

Page 91: ...ner Hopper Make sure that the support leg is up and locked before you push the toner hopper into the machine Never press in on the top of the toner hopper V C3 field service manual Installation Copier...

Page 92: ...d up and locked before you install the toner hopper If the transfer belt release lever is down the toner hopper cannot be closed completely against the faceplate If the transfer belt release lever A i...

Page 93: ...e most important points of the installation procedure They are not the full procedure To do the full procedure you must use the manual First study these important points Then install your machines If...

Page 94: ...r Cartridges This type of cartridge is called an STC Soft Toner Cartridge The cartridge walls collapse slowly when toner is used Make sure that the cartridge is marked D081 D082 Do not use another typ...

Page 95: ...r can go out through the bottom At elevations 1 000 meters 3 280 ft above sea level the toner cartridge packs may expand and prevent you from installing them in their bins After approximately 24 hours...

Page 96: ...cartridge up and down not side to side 10 times Do not squeeze This will form clumps in the toner Do not hold the cartridge upside down Make sure that you install the cartridges in the correct bins T...

Page 97: ...lides show the most important points of the installation procedure They are not the full procedure To do the full procedure you must use the manual First study these important points Then install your...

Page 98: ...veloper SP3811 does a number of things including initialization of the TD sensor You must not initialize the TD sensor again Do SP3811 1 only once SP 3801 also initializes the TD sensor Never do SP380...

Page 99: ...drums and does process control It takes about 4 5 minutes During installation and after replacing the PCU we use SP 3811 After replacing developer only we use SP 3801 After using SP 3801 or 3811 do n...

Page 100: ...door After you close the front door you can do SP 3811 001 This adds toner initializes the TD sensor and does process control Do not use SP 3801 or 3811 again to initialize the TD sensors again until...

Page 101: ...not open the drums will turn with no toner in the PCUs If the drums turn with no toner in the PCUs this can cause the cleaning blades to catch on a dry drum and cause damage to the drum surfaces Then...

Page 102: ...V C3 Training 102 Slide 102 Initializing Developer and Toner 2 Wait 2 Minutes Wait for the machine to warm up This should be about 2 minutes Wait until the normal machine ready display appears...

Page 103: ...Failed appears immediately after you start the machine is not warmed up Wait 2 minutes then do SP 3811 001 again Then check that the initialization was done correctly To do this use SP 3812 If the di...

Page 104: ...s you will get toner scattering inside the machine It is possible that many instances in the field of toner scattering are caused by initializing the TD sensor more than one time To repair the machine...

Page 105: ...y is too light 2 The toner end alert does not turn off after one or more brand new toner cartridges are installed 3 Toner scattering inside the machine If you face these symptoms please check that you...

Page 106: ...ides show the most important points of the installation procedure They are not the full procedure To do the full procedure you must use the manual First study these important points Then install your...

Page 107: ...ions To use a non standard or custom size you must input the required size with a user tool The default setting of this user tool is Auto Detect This uses the input from the sensor We will see this ag...

Page 108: ...n occur To use a paper size that is not in this table select the size with this user tool System Settings Tray Paper Settings Tray Paper Size If the paper size is not the same as the setting a jam can...

Page 109: ...t must be on A3 paper and you should use a sample of the paper that the customer will normally use for color copies If the color is not good do the ACC procedure This is described in the installation...

Page 110: ...ntenance Color Registration Touch OK to do the procedure If the adjustment is successful Color Registration is completed is displayed If it does not appear try again This is now a user tool MUSIC Mirr...

Page 111: ...C report The default for the counter is developments Then you can print an SMC report Keep it in a safe location V C3 series service manual Installation Copier Installation Counter Display Setting In...

Page 112: ...olor scanner models At installation it is not necessary to format the hard disk or transfer the stamp data However if the hard disk is replaced you must transfer the stamp data SP 5853 format the hard...

Page 113: ...V C3 Training 113 Slide 113 SP Settings 2 You must enable USB with SP 5985 2 No additional notes...

Page 114: ...e machine level Store the PCU stand inside the machine Make sure that the special tool is there Print an SMC report and keep it with the machine Keep it with the SP Mode factory Setting sheet you remo...

Page 115: ...ters If the location has high humidity you should connect these heaters Ask the customer first The customer may not want the extra energy expenses V C3 series service manual Installation Copier Instal...

Page 116: ...for the following reason A certain amount of toner scatters inside the machine which is normal However sometimes the black PCU cooling fan blows some of this toner onto the ID sensor This can generat...

Page 117: ...e decals to each paper tray and for the optional LCTs as shown in the manual The example above shows where to attach the decal for tray 1 tandem tray An English decal is already attached to the tray I...

Page 118: ...V C3 Training 118 Slide 118 Installation Paper Feed Options No additional notes...

Page 119: ...The side fences are set for A4 If you want to change this to LT to the procedure as shown in the service manual The customer cannot do this Select the correct paper size with SP 5959 002 V C3 series...

Page 120: ...4 tray for the A4 LT LCT This lets the LCT feed paper up to LG B4 size After you install this tray select the correct paper size with SP 5959 002 V C3 series service manual Installation LG Unit for A4...

Page 121: ...inlet for the bypass tray Keep it in case the customer wants to uninstall the LCT later There is no SP adjustment for the paper size setting with this LCT If the customer wants to change the paper siz...

Page 122: ...r the D350 LCT There are two types 120V Model Both connector harnesses are WHITE 208V 240V Model Both connector harnesses are RED Make sure to install the correct heater Note for 17 copier models D081...

Page 123: ...DLT Tray Install this tray in the tandem tray This converts the tandem tray to an A3 DLT tray After you install the tray use SP 5959 001 to select the correct paper size V C3 series service manual In...

Page 124: ...V C3 Training 124 Slide 124 Installing Finishing Options Overview No additional notes...

Page 125: ...V C3 Training 125 Slide 125 Two Basic Configurations Two basic configurations Configuration 1 With D373 D374 finisher Configuration 2 With B830 finisher No additional notes...

Page 126: ...3 Finisher and the B830 Finisher but not with the D374 Finisher The Mailbox B762 and the Cover Interposer B704 one tray cannot both be installed on the same machine This configuration features either...

Page 127: ...her must be installed The cover interposer unit is installed on the finisher 6 D373 or D374 finishers D373 2000 sheet booklet folding and stapling D374 3000 sheet corner stapling only These have an op...

Page 128: ...Finisher D373 SR4040 or Finisher D374 4030 In all three configurations the Cover Interposer B835 two trays must be installed on the left side of the main machine The mail box cannot be installed This...

Page 129: ...Copy tray only if no finisher will be installed 4 Cover Interposer a finisher must be installed The cover interposer tray is installed on the folder not the finisher So the order of installation is d...

Page 130: ...kets that are used to attach the devices to each other The docking procedures are explained in the installation procedures for each device Docking Brackets Joint Bracket The joint bracket that is pack...

Page 131: ...er Guides Many of the peripherals have two entrance guide plates packed with the accessories For the V C3 series always use the short one Install this one Do not install this one The example shown her...

Page 132: ...V C3 Training 132 Slide 132 Installing Finishing Options Installing Configuration 1 No additional notes...

Page 133: ...V C3 Training 133 Slide 133 Installing the Mailbox Be careful when you move the mailbox Do not damage the corner leaf plate V C3 field service manual Installation Mail Box B762...

Page 134: ...on a machine that already has a D373 or D374 finisher attached to it The sponge strip must be removed from the finisher Keep it and attach it later to the cover interposer tray Install the cover inte...

Page 135: ...move the finisher against the copier Attach the trays Make the finisher level and attach the support tray Select the staple supply names for the two types of stapler These names are a reference for t...

Page 136: ...V C3 Training 136 Slide 136 Installing Finishing Options Installing Configuration 2 No additional notes...

Page 137: ...lide 137 Attaching the Mylar and Guide Plate Attach the black Mylar included with the cover interposer to the guide plate of the peripheral to the left of the cover interposer Black Mylar Guide Plate...

Page 138: ...V C3 Training 138 Slide 138 Cover Interposer B835 The cover interposer tray contains two units as shown above Tray unit Transport unit Tray Unit Transport Unit No additional notes...

Page 139: ...e cover interposer This can be the folding unit or the B830 finisher In this course it will be the folding unit Finally attach the tray unit to the top of the cover interposer The tray unit is support...

Page 140: ...t the following times Before you disconnect either the cover interposer tray or the next peripheral device to the left Before you do any maintenance on either the cover interposer tray or the next per...

Page 141: ...i folding Unit D454 After you install this unit do the following Make sure that the unit is level and at the correct height Test the breaker switch in this unit Check for skew and side to side registr...

Page 142: ...he next unit z folding unit cover interposer or copier Update the firmware for the finisher Download the latest firmware from the website and copy it to the SD card The SD card that comes with the fin...

Page 143: ...V C3 Training 143 Slide 143 Installing the B830 Finisher Remove these two sheets of paper in the red circle This is a new step in the installation procedure for this finisher...

Page 144: ...er This gear and timing belt in the finisher adapter kit mechanically adjusts the finisher to match the paper feed speed of this copier The finisher adapter kit also contains an SD card containing fir...

Page 145: ...isher Adapter When installing the D375 finisher adapter route the harnesses along the green lines in the diagram The harnesses must not touch the motors at A and B This will damage the harness A B Do...

Page 146: ...V C3 Training 146 Slide 146 Installing Finishing Options Skew and Registration Adjustment Service manual Installation Common Adjustments Skew and Side to Side Registration...

Page 147: ...ration Adjustment The paper feed path is extremely long when all the finishing options are installed In such a long path the cumulative effect of paper skew and deviation in side to side registration...

Page 148: ...ations as shown above At both locations use the two scales to measure the amount of skew or deviation in side to side registration Important There are two scales The one at the rear is for DLT paper a...

Page 149: ...here Skew and Side to Side Registration Are Adjusted Both skew and side to side registration adjustment are possible at the outputs of these units Cover interposer two trays B835 Multi folder unit Rin...

Page 150: ...a bracket like this at the locations mentioned on the previous slides To adjust skew we can insert spacers under one end of the bracket To adjust registration we can move the bracket from side to side...

Page 151: ...e the previous slide After installing each peripheral device do some test prints Check for skew and check that side to side registration is correct If you detect a problem with skew or side to side re...

Page 152: ...tration shift is more than 2 mm Adjust the machine Registration shift is less than 2 mm Do not adjust Registration shift is more than 2 mm Adjust the machine LE Leading edge TE Trailing edge To check...

Page 153: ...shift Use the scale to make sure that you move the bracket by the correct amount If the registration shift was toward the front of the machine slide the adjustment bracket to the front Then secure th...

Page 154: ...bove diagram shows an example where no adjustment is necessary If the error is more than 2 mm you should adjust the machine Adjust for skew first then for registration shift LE Leading edge TE Trailin...

Page 155: ...The diagram in the middle shows how this type of skew appears on the DLT scale LE LE LE LE TE TE TE TE DLT A3 LE Leading edge TE Trailing edge To check for skew Look at the scale when the leading edg...

Page 156: ...below the adjustment bracket The service manual shows you where to find the spacers inside the machine Adjustment Bracket Spacer Spacer Service manual section 1 13 2 If the trailing edge skews toward...

Page 157: ...of 2 mm in either direction To see the current setting remove the tray cover and look at the scale on the bracket Adjust this screw Bracket This slide shows how side to side registration can be adjust...

Page 158: ...V C3 Training 158 Slide 158 Installation Connectivity Options No additional notes...

Page 159: ...s Study the correct procedure for handling SD cards and DIMMs See the service manual Static electricity can damage these components Be careful when you install them V C3 field service manual Installat...

Page 160: ...ser unit HDD encryption unit the SD card is removed after installation Lower slot A VM card is inserted here at the factory This slot is also used for service procedures Firmware updates NVRAM downloa...

Page 161: ...wer slot in order to update firmware for example To resume normal operation just put the VM card back in the lower slot Before you remove the VM card you must halt the App 2 Me application if it has b...

Page 162: ...card in the lower slot is disabled Do not throw it away The customer needs to keep it as proof of purchase Keep the copied card in the location shown in the diagram This is behind the front door Label...

Page 163: ...ly Slot B One of the following IEEE1284 B679 File Format Converter D377 IEEE802 11a g D377 Bluetooth B826 Slot C Gigabit Ethernet D377 The EFI Fiery controller is connected through Gigabit Ethernet V...

Page 164: ...out for the Fax Option Line 2 Line out for an optional G3 Interface Unit Line 3 Line out for another optional G3 Interface Unit TEL Telephone connection ISDN ISDN connection Japan only V C3 field serv...

Page 165: ...aining 165 Slide 165 Ethernet USB Slots a Built in for connection of USB devices b Standard LAN connection point c For future use a b c V C3 field service manual Installation MFP Controller Options Ov...

Page 166: ...the machine s power cord before you install a controller option After you install a controller option check that the machine can detect it User Tools Printer Settings List Test Print Configuration Pag...

Page 167: ...pying If the customer removes this unit and turns the power on the machine will issue an SC165 error if the Data Security for Copying feature is set to ON This prevents unauthorized users from removin...

Page 168: ...ords related to authentication Check the box to make sure that the VOID marks are not visible on the packing tape Enable the unit with SP 5878 001 If you have installed the wrong type by mistake you w...

Page 169: ...disk during the installation procedure You must remove the SD card from the upper slot after you install the browser unit HDD Encryption Unit Before you can install this unit the customer must store s...

Page 170: ...V C3 Training 170 Slide 170 Installing The Controller Options 5 IEEE802 11a g g interface Make sure to install the antennas correctly as described in the manual No additional notes...

Page 171: ...off on after changing the value 5967 This is a security feature for those who worry that their hard disks could be stolen during transportation Files can be removed from the storage areas of the disk...

Page 172: ...V C3 Training 172 Slide 172 Updating the Firmware V C3 field service manual Removal and Adjustment Firmware Update...

Page 173: ...2 Me application if it has been enabled For information on how to do this see the App 2 Me Important Note slide earlier in the course Put the SD card with the new firmware in the lower SD card slot Op...

Page 174: ...lugged before the update is finished do not remove the SD card Just switch the machine on again The firmware update should restart automatically If the firmware update does not recover order another S...

Page 175: ...ANCE PURPOSE OF THE SECTION This section is about machine PM In this section you will learn how to Use the PM Table When you complete this section you will know the answers to these questions What is...

Page 176: ...150 K Many can be replaced at 300k A few parts in the PCU have replacement intervals of 200 k or 400 k Note that with the PCUs for some components the interval for K is different from the interval for...

Page 177: ...oner for these models contains carrier and this will damage the drum and other components The yellow toner for the V C1 models is required for the maintenance of this model when the lubricant brush ro...

Page 178: ...Lubricant powder Use Zinc Stearate D0159501 for this procedure and for this procedure only The yellow toner must come from a bag of fresh toner and not from the toner supply port of a V C1 series mode...

Page 179: ...in the mixture should be 1 1 V C3 field service manual Removal and Adjustment PCU PCU Blades and Rollers After Replacement This slide and the next one shows how to mix the two powders Why yellow tone...

Page 180: ...V C3 Training 180 Slide 180 Lubricant Brush Roller Replacement Apply Lubricant Powder 2 4 Mix the G104 Yellow Toner and Zinc Stearate together evenly No additional notes...

Page 181: ...se a brush to apply the powder if one is available If a brush is not available use your finger 2 Only use this mixed powder for the PCU lubricant brush roller of the V C2 or V C3 Never apply this powd...

Page 182: ...9800 This new grease is conductive and is completely different from any of the existing types e g Grease KS660 Silicone Grease 501 Grease Barierta S552R The existing types are not conductive This new...

Page 183: ...C3 Training 183 Slide 183 Development Unit Sleeve Shaft 2 This shows where to apply this new grease The next two slides show close ups of these lubrication points Lubrication Points No additional note...

Page 184: ...V C3 Training 184 Slide 184 Development Unit Sleeve Shaft 3 This shows lubrication point A Apply Grease KS660B here Apply a thin layer evenly around this surface Point A No additional notes...

Page 185: ...V C3 Training 185 Slide 185 Development Unit Sleeve Shaft 4 This shows lubrication point B Apply Grease KS660B here Apply a thin layer evenly around this surface Point B No additional notes...

Page 186: ...isted as individual parts in the PM table For V C2 you cannot replace the K corona wire as an individual part because the grid cannot be removed and replaced These can be replaced separately or as a u...

Page 187: ...will lubricate the other gears during fusing unit operation Lubricate all bearings after replacement of the hot roller pressure roller and or heating roller Use Barrierta S552R For details see the V C...

Page 188: ...ide 188 Reset the Counter After you do PM for a part reset the counter for that part See PM counter in the Maintenance section of the service manual After you do PM do the forced MUSIC process SP 2111...

Page 189: ...ustomers a spare used toner bottle so that they can replace the bottle when it becomes full The service technician can collect the full bottle at the next scheduled service call This eliminates EM vis...

Page 190: ...AINING COPIER ENGINE MACHINE COMPONENT OVERVIEW PURPOSE OF THIS SECTION The components will be discussed The paper feed path and copying process will be outlined The machine s organization and overall...

Page 191: ...V C3 Training 191 Slide 191 Machine Component Overview Machine Layout No additional notes...

Page 192: ...hine Layout 1 The ADF is a standard part of the machine and not an option Two exposure glasses One for book platen mode and one for ADF mode The ADF exposure glass is shown in the red circle above Thi...

Page 193: ...beams for K C M and Y Four PCUs For the CMY PCUs there is a charge roller For the K PCU there is a charge corona unit Image transfer unit with a transfer belt to receive the four toner images from the...

Page 194: ...a V C1 diagram But the basic layout is the same This shows the paper feed section The bypass tray is a standard component and not an option 100 sheets The top tray is a tandem tray 1550 sheets x 2 st...

Page 195: ...Motors PCU Each PCU has 3 motors 1 Development Motor 2 Drum Cleaning Motor 3 Drum Motor 4 Development Coil Shaft 5 Drum Cleaning Motor Shaft 6 Drum Motor Shaft 7 Development Roller 1 2 3 4 6 7 5 Rear...

Page 196: ...Other 1 ITB Drive Motor 2 PTR Motor 3 Fusing Exit Motor 4 Paper Transport Belt Drive Shaft 5 Fusing Unit Drive Shaft 6 Duplex Unit Drive Shaft 7 ITB Cleaning Unit Drive Shaft 8 Used Toner Drive Shaft...

Page 197: ...e transparent The K drum must be at the right hand end or ACS cannot work For C and M the order does not matter PCUs ITB PTR Paper ITB Rotation Paper Feed Direction Belt Up Down Movement for ACS When...

Page 198: ...is more transparent It should be as close to the top as possible For C and M the order does not matter Y C M K PCUs Paper Paper Feed Direction Belt Up Down Movement for ACS This slide shows the develo...

Page 199: ...de 199 Y C M K Development Order Cattleya The revolver mechanism is flexible and the machine can change the order of development PCUs Revolver Mechanism ITB Paper ITB Rotation Paper Feed Direction Thi...

Page 200: ...result K must be first If another color is first and black and white copies are made the revolver takes a longer time to get from the standby position and the 1st copy time is longer Printer mode Yell...

Page 201: ...rs etc Controller This is a GW controller It contains sockets for SD cards and for optional interface kits IPU This contains image processing circuits SBU This contains the CCD If you wish to know wha...

Page 202: ...Controller Box Layout Closed 1 Controller Board 2 IPU 3 VBCU The controller board must be removed before the IPU and VBCU can be taken out 4 HDD Unit 5 PFB Paper Feed Board 6 HVPS High Voltage Power...

Page 203: ...V C3 Training 203 Slide 203 Controller Box Layout Open 6 Charge Roller Power Pack 7 Potential Sensor Power Pack 8 DRB Motor Drive Board 9 DTMB Drum Transfer Motor Board 10 PSU No additional notes...

Page 204: ...upplies The following components are different depending on the power supply Power supply cord AC drive board Fusing unit Anti condensation heaters Paper trays Paper transfer section Scanner heater op...

Page 205: ...V C3 Training 205 Slide 205 Machine Component Overview Heaters No additional notes...

Page 206: ...g smearing and image borders Printing completely black or gray pages Fans The scanner cooling fans front rear pull cool air into the scanner unit The scanner exhaust fan expels hot air from the scanne...

Page 207: ...f these two heaters They turn on automatically at the following times When the main power switch is turned off When the machine enters auto off mode In this machine the heaters are not optional During...

Page 208: ...V C3 Training 208 Slide 208 Transfer Unit Anti condensation Heater This is connected at the factory No additional notes...

Page 209: ...V C3 Training 209 Slide 209 Machine Component Overview Ventilation and Cooling No additional notes...

Page 210: ...V C3 Training 210 Slide 210 Controller Box Four fans No additional notes...

Page 211: ...V C3 Training 211 Slide 211 Scanner One fan No additional notes...

Page 212: ...o the machine The circulation fan pulls the air through the rear of the machine The PCU fan motors pull the dry air into the PCUs PCU Fan Motors Intake Fan Circulation Fan An ozone fan at the rear of...

Page 213: ...C3 Training 213 Slide 213 Ozone Removal from the PCUs The ozone fan at the rear of the machine pulls air through the PCUs through an ozone filter and out of the machine Ozone Filter No additional note...

Page 214: ...r the front door draws fresh air into the machine Each development unit has its own separate fan The toner in this machine has a low melting point so the development units must be kept cool The toner...

Page 215: ...V C3 Training 215 Slide 215 Paper Feed Unit There is a fan in the paper feed unit No additional notes...

Page 216: ...V C3 Training 216 Slide 216 Image Transfer Belt ITB Image transfer fan Cools the top of the ITB The ITB touches the PCUs at this location No additional notes...

Page 217: ...V C3 Training 217 Slide 217 ITB Cleaning Unit An air duct is added to the ITB cleaning unit No additional notes...

Page 218: ...de 218 Fusing Unit Heat from the fusing unit goes up to the heat sink The heat sink has pipes containing water shown in pink in the diagram Two fans send air through the heat sink Heat Sink Fusing Uni...

Page 219: ...V C3 Training 219 Slide 219 Paper Exit One fan No additional notes...

Page 220: ...V C3 Training 220 Slide 220 Duplex Unit The duplex unit has three fans No additional notes...

Page 221: ...V C3 Training 221 Slide 221 Machine Component Overview Sensors and Other Components No additional notes...

Page 222: ...charge roller Adjusts the length of time that the developer is agitated Near the waste toner bottle motor room temperature Corrects the charge applied to the ITB and PTR Corrects the fusing temperatur...

Page 223: ...V C3 Training 223 Slide 223 Machine Component Overview Special Tools for Replacement and Adjustment No additional notes...

Page 224: ...installation procedure They are used for developer replacement They are not used for the installation procedure PCU Stand Developer Replacement Tools This is the same as the PCU stand for the V C2 but...

Page 225: ...V C3 Training 225 Slide 225 Machine Component Overview Common Procedures During Replacement No additional notes...

Page 226: ...We will study these procedures from the following section of the service manual Replacement and Adjustment Common Procedures ADF Toner hopper faceplate PCU Image Transfer Unit Drawer unit Controller...

Page 227: ...V C3 Training 227 Slide 227 ADF The ADF is heavy Be careful when you lift it No additional notes...

Page 228: ...lock the support leg Lift the hopper off the rail Use the handles at the top Toner Hopper Support Leg Handles We studied the toner hopper faceplate and PCU during installation The next 6 slides remind...

Page 229: ...29 Slide 229 Toner Hopper Faceplate and PCU Toner Hopper Removal The hopper is heavy Lift it carefully and make sure that it disengages completely from the rails on the left and right red circle No ad...

Page 230: ...230 Toner Hopper Faceplate and PCU Toner Hopper Replacement Make sure that the support leg is up and locked before you push the toner hopper into the machine Never press in on the top of the toner hop...

Page 231: ...V C3 Training 231 Slide 231 Toner Hopper Faceplate and PCU Faceplate Removal Turn the transfer belt lever counterclockwise until it stops Faceplate Lever No additional notes...

Page 232: ...PCU Faceplate Replacement When you put the faceplate back attach the screws in the order that is shown in the manual Do not tighten the screws strongly Put the transfer belt release lever back to the...

Page 233: ...f and disconnect the power cord The OPC drum is exposed on the bottom of the PCU Do not put your hand under the PCU Do not put the PCU on a surface other than the PCU stand The PCU stand is mounted on...

Page 234: ...PCU on the PCU stand In the diagram F is front and R is rear Only use the PCU stand for the V C2 V C3 series If you use the PCU stand for the V C1 series you will damage the drum F R The V C3 PCU stan...

Page 235: ...h paper to prepare a place to put the image transfer unit Remove the toner hopper then turn the transfer belt release lever to the left until it stops Remove the faceplate then turn the drawer unit le...

Page 236: ...rails with screws Always keep the unit flat Do not tilt it Do not stand it on its side If you tilt the unit toner will come out inside the unit Put the unit in the machine slowly and carefully Take c...

Page 237: ...and pull the unit out Then remove the screws that attach it to the rails Be careful This unit is heavy Push the rails into the machine after you remove the unit When you put the unit back make sure th...

Page 238: ...o lock the box in the open position Do not touch the fan blades see the warning decal You should turn the power off and disconnect the power cord before you start the procedure anyway Decal Stopper Ar...

Page 239: ...ter you copy an SD card keep the original card here The card does not function after you copy it but you must keep the card as proof of purchase If you must replace the front door move the SD cards to...

Page 240: ...V C3 Training 240 Slide 240 Replacing Boards and Motors V C3 field service manual Replacement and Adjustment Boards...

Page 241: ...the 120V and 240V machines are different The boards are clearly marked 120V or 240V in the center of the board to prevent installing the wrong type of board The controller board must be removed befor...

Page 242: ...Controller Box Layout Closed 1 Controller Board 2 IPU 3 VBCU The controller board must be removed before the IPU and VBCU can be taken out 4 HDD Unit 5 PFB Paper Feed Board 6 HVPS High Voltage Power...

Page 243: ...V C3 Training 243 Slide 243 Controller Box Layout Open 6 Charge Roller Power Pack 7 Potential Sensor Power Pack 8 DRB Motor Drive Board 9 DTMB Drum Transfer Motor Board 10 PSU No additional notes...

Page 244: ...V C3 Training 244 Slide 244 Behind the Left Lower Cover AC Drive Board No additional notes...

Page 245: ...series field service manual Replacement and Adjustment Boards Controller Board Do the procedure if you think that you need to practice Pay attention to all notes cautions and warnings in the procedur...

Page 246: ...t the controller board can be disconnected Never attempt to pull the controller unit out of the machine until you have removed the box cover and disconnected the controller board If you attempt to pul...

Page 247: ...you remove the NVRAM upload the contents to an SD card if possible If there is an HDD encryption unit installed restore the encryption key The following items cannot be uploaded from NVRAM to the SD c...

Page 248: ...V C3 Training 248 Slide 248 VBCU Replacement 1 Take the EEPROM IC2 from the old board and put it on the new board No additional notes...

Page 249: ...V C3 Training 249 Slide 249 VBCU Replacement 2 Make sure that the dip switch settings on the new board are correct as shown above No additional notes...

Page 250: ...cement 1 Study this procedure V C3 series field service manual Replacement and Adjustment Boards HDD Pay attention to all notes cautions and warnings in the procedure See the next slide for a list of...

Page 251: ...t be reconnected at the correct connection points If the HDD is connected incorrectly the machine will issue an HDD error at power on This will not harm the HDD or corrupt data on the disk Just power...

Page 252: ...k Then turn the main power switch off on If you successfully retrieved the address book data from the disk with SP5846 51 do SP5846 52 to restore the address book data to the new disk If the HDD encry...

Page 253: ...customer should dispose of the defective disks to prevent security problems The customer will lose some data if a new hard disk unit is installed Tell the customer about this The replacement procedure...

Page 254: ...3 Training 254 Slide 254 AC Drive Board Make sure that you have the correct type of board for the machine 100 V or 200 V The white rectangle in the the diagram shows where the voltage rating is indica...

Page 255: ...e after that visit If you do not have a backup copy on an SD card then the memory reset SP 5801 001 resets the memory to the defaults Then you can input the necessary changes to the defaults Study the...

Page 256: ...256 NVRAM Replacement If the HDD encryption unit is installed the user must copy the encryption key from the controller to the new NVRAM This is not a service procedure so it is not in the service man...

Page 257: ...V C3 Training 257 Slide 257 Motors 1 Development Motor 2 Drum Cleaning Motor 3 Drum Motor 4 Fusing Exit Motor No additional notes...

Page 258: ...the ITB unit This is to prevent the tip of the drum motor shaft from scratching the surface of the ITB when the motor is removed or reinstalled In order to remove the K PCU motor you must first loosen...

Page 259: ...59 Slide 259 V C3 TRAINING COPIER ENGINE DOCUMENT FEEDER The ADF is a standard component of the machine It is based on the ADF of the MT C4 series copiers This section of the course will explain the A...

Page 260: ...inal to the feed belt and separation roller Skew is corrected at the entrance roller but only for small original sizes B6 A5 HLT or for duplex scanning any size For sizes larger than A5 the pre scanni...

Page 261: ...ck up roller lift mechanism Feed motor Drives the following Pick up roller and feed belt drive gear Entrance roller and 1st transport roller Bottom plate motor Drives the bottom plate lift mechanism T...

Page 262: ...ome originals on the tray the pick up roller is again dropped onto the stack of originals Details of the mechanism are as follows When there are no originals The pick up roller remains up this is the...

Page 263: ...e slide However this can be changed to after the Start key is pressed The bottom plate sensor determines whether the plate needs lifting When an original is placed on the original tray The original se...

Page 264: ...e 264 Original Separation FRR with feed belt Simplified feed path no inverter mechanism Separation Sensor Pick up Roller Feed Motor Separation Roller Feed Belt This mechanism prevents feeding more tha...

Page 265: ...265 Slide 265 Original Feed in The feed motor turns in the other direction to drive these rollers Feed Motor Remember that there is no inverter The second side is scanned by the CIS which is near the...

Page 266: ...nning roller the pre scanning roller slows down slightly The feed roller is still feeding the paper faster than the pre scanning roller and this slows the original at the leading edge and corrects ske...

Page 267: ...Scanning Yes Yes Skew is always corrected with method 1 for every job regardless of the paper size and mode 2 Interval sensor pre scanning roller stop correction B6 A5 HLT Larger Than A5 Duplex Scann...

Page 268: ...V C3 Training 268 Slide 268 Original Transport and Exit The transport and exit motors control paper feed through this part of the ADF Transport Motor Exit Motor No additional notes...

Page 269: ...will then be detected To change back again input 0 Europe There are two sets of three sizes To switch from the default set to the other input 7 The other set of three sizes will then be detected To c...

Page 270: ...LT LEF Exec LEF Bit 1 16 K SEF LT SEF Bit 4 LT SEF 8 x 10 SEF Bit 0 16 K LEF LT LEF Bit 3 LG SEF Set by SP 5126 To change the default settings 1 Enter the SP mode 2 Select SP6016 On the screen you wil...

Page 271: ...ns that for two sided scanning the original feeds though the scanner one time only The resolution is 600 dpi the same as the CCD The white roller below CIS is used as a white reference point CIS CCD T...

Page 272: ...w correction sensor to the registration sensor Exit sensor Check in failure Remains off after enough time for the original to feed twice the distance from the registration sensor to the exit sensor Se...

Page 273: ...nses is done for the first sheet The original is fed for a few clock pulses after the registration sensor detects the leading edge of the original The original is then delayed slightly at the ADF expo...

Page 274: ...lide 274 ADF Lift Detection When you set a thick original such as a book the ADF lifts the actuator leaves the sensor and the sensor turns off When the sensor is off the ADF cannot feed any originals...

Page 275: ...e black lines in copies The dust check is done before the first original is scanned This is done only once at the beginning of a job The check is not done for originals added during a long scanning jo...

Page 276: ...ameters to remove thin vertical lines caused by dust A speck of dust on the ADF exposure glass causes a thin vertical line on the scanned image This is because the ADF feeds the paper over the exposur...

Page 277: ...belt turns and the CCD scans this belt No paper is present The CCD scans the belt The ADF feed belt has four grooves cut across it in the main scan direction These grooves are not easily contaminated...

Page 278: ...scale The third time that dust is detected the scanning position is not moved An alert message is displayed but the job does not stop 0 7 mm 0 7 mm a b c 34 mm If dust is detected after the scanner h...

Page 279: ...ing 279 Slide 279 Replacement The ADF is heavy Remove it carefully The V C2 has a special tool to adjust the belt tension when you install an ADF transport belt However the V C3 does not have this spe...

Page 280: ...3 Training 280 Slide 280 V C3 TRAINING COPIER ENGINE SCANNER The scanner mechanism will be discussed in this section It only covers the movable scanner inside the main body of the machine and not the...

Page 281: ...Lamp This is a typical CCD scanner mechanism For the main components see the diagram below In this machine there is an ADF exposure glass In ADF mode the scanner moves below this glass and scans the...

Page 282: ...en is lowered The other sensor near the APS start sensor detects when the ADF is open or closed DF position sensor Book ADF open The CPU checks the sensors when the Start key is pressed ADF The CPU ch...

Page 283: ...ouble the normal speed when returning to home position The first scanner contains the exposure lamp reflectors and the 1st mirror The second scanner contains the 2nd and 3rd mirrors The second scanner...

Page 284: ...V C3 Training 284 Slide 284 Replacement After you replace the lens block you must do some adjustments See the service manual for details No additional notes...

Page 285: ...ENGINE IMAGE PROCESSING This section briefly describes the image processing done inside this machine There are not many adjustments so image processing is not described in detail We will explain enoug...

Page 286: ...V C3 Training 286 Slide 286 Components SBU Contains the CCD Sends analog RGB data to the IPU IPU Does the image processing No additional notes...

Page 287: ...ext and halftone areas the more noticeable the halo effect This problem is also evident when the mode is changed to 2 bit mode The default dithering pattern for 2 bit mode is designed to improve grada...

Page 288: ...V C3 Training 288 Slide 288 V C3 TRAINING COPIER ENGINE LASER UNIT This section explains how the laser unit converts the image data signal into laser pulses for writing the latent image on the OPC...

Page 289: ...ors each has six sides 600 dpi 1200 dpi is available in printing mode Image position correction is done by reading sensor patterns on the ITB and adjusting speeds and positions of some components This...

Page 290: ...V C3 Training 290 Slide 290 K M C Y Overview OPC Drum for Yellow C Y K M Two Polygon Mirrors Four Laser Diode Units C Y K M See below for the names of all the components...

Page 291: ...he M and C units go directly to the upper polygon mirror The beams from the K and Y units are deflected downwards to the lower polygon mirror by the LD mirrors K and Y each have an LD mirror These mir...

Page 292: ...bend out at the centre The lens is adjusted at the factory a screw bends the lens out at the middle It cannot be adjusted in the field There is one of these for each color What does WTL mean The W st...

Page 293: ...V C3 Training 293 Slide 293 Safety Switches When the front cover is open the 5V line to the laser diodes is disconnected There is no shutter mechanism No additional notes...

Page 294: ...he drum motors to correct the intervals between the patterns This adjustment prevents color registration errors What is a color registration error This is when the four toner images are not put exactl...

Page 295: ...ter the machine is turned on or returns from an energy saver mode At the start of a job Only done if the laser unit temperature changed since the end of the previous job by the amount set with SP 2153...

Page 296: ...long job you can change the interval with SP2153 024 Only done if the laser unit temperature changed since the end of the previous job by the amount set with SP 2153 020 Default 1 5 C Forced MUSIC man...

Page 297: ...lack and white job immediately If a job is started before the MUSIC process has completed a message Now Self Checking will appear on the operation panel display The job will not be done until the MUSI...

Page 298: ...ide 298 Image Position Correction MUSIC Location of the Sensors A roller opposite the sensors pushes the transfer belt against the sensors This makes sure that the sensors read the patterns accurately...

Page 299: ...Correction MUSIC Location of the Sensors The sensors are below the ITB image transfer belt Rear of Machine Image Transfer Belt The other sensor in this assembly is the ID sensor We will study this in...

Page 300: ...V C3 Training 300 Slide 300 Image Position Correction MUSIC MUSIC Pattern This is the pattern that is made on the ITB...

Page 301: ...ew in the main scan direction In this example the red circles show locations where skew is detected in the main scan direction M C Y Y K M K C K In this diagram the dotted line is just a reference to...

Page 302: ...erns as shown Target Actual Sensor Output The MUSIC sensor response is measured The output is the lowest when the K pattern fully overlaps the color pattern the dotted lines in the diagram cross at th...

Page 303: ...ection The MUSIC sensors check for skew in the sub scan direction The thickness of the patches and intervals between them is measured in the sub scan detection In this example the red circles show loc...

Page 304: ...wn Target Actual Sensor Output The MUSIC sensor response is measured The output is the lowest when the K pattern fully overlaps the color pattern the dotted lines in the diagram cross at this point Th...

Page 305: ...not have a motor 3rd Mirror for Y 3rd Mirror for C 3rd Mirror for M The motors are shown by red circles in the diagram on the slide The mirrors that are controlled by these motors are shaded grey The...

Page 306: ...ow what procedure the machine is doing This is because the same message is displayed on the screen for each of these processes MUSIC ACC Process control Often these processes are all done in a sequenc...

Page 307: ...r the mirror to stop before you start to remove the polygon motor Never work on the laser unit with the main power turned on Laser beams can damage the eyes Read the service notes for the laser unit i...

Page 308: ...op cover is not positioned this way the unit could generate electrical noise If the gasket peeled off during removal install a new gasket aligned with the line on the top cover Top Cover Gasket Lens B...

Page 309: ...n the laser unit you must open the scanner unit The scanner unit is heavy You must lock it in the open position with the support rod until you finish your work on the laser unit 1 2 V C3 field service...

Page 310: ...V C3 Training 310 Slide 310 Lifting the Laser Unit Hold the chains when you lift the laser unit out of the machine No additional notes...

Page 311: ...ew Laser Unit There are four tapes at the front of the laser unit When you install them make sure that you do not tuck them under the laser unit Be sure to reconnect the ground wire at the right rear...

Page 312: ...you install a new laser unit then do the color correction tests and adjustments Do the skew adjustment if skew occurs after you install a new laser unit V C3 field service manual Removal and Adjustmen...

Page 313: ...ed with a sheet of A5 paper Only input the numbers that are explained in the service manual Then print a test sheet SP 2109 2 pattern 14 to confirm that the machine is working correctly V C3 field ser...

Page 314: ...ion Detectors These cannot be replaced in the field This is because factory adjustment is needed after installation of new sensors This cannot be done in the field If these sensors are defective you m...

Page 315: ...TOR UNITS This section will explain the mechanisms in the photoconductor units The photoconductor units contain the OPC and the development unit This section will also explain the toner supply mechani...

Page 316: ...V C3 Training 316 Slide 316 PCUs Overview No additional notes...

Page 317: ...t pushes the lubricant bar against the lubricant brush roller is different for the K unit A new developer mixing method is used to ensure even image density across the page The PCU stand and special t...

Page 318: ...R bias roller transfers the image from the ITB to the paper ITB Image Transfer Belt PTR Bias Roller Development Unit K Drum Unit K This diagram shows the four PCUs The development unit is on the left...

Page 319: ...V C3 Training 319 Slide 319 PCUs Drum Units No additional notes...

Page 320: ...Contents CMY Drum Cleaning Unit Charge Roller Cleaning Roller Charge Roller OPC Drum The laser hits the PCU at the top and the image is transferred to the image transfer belt at the bottom See below...

Page 321: ...Unit Drum Cleaning Unit OPC Drum The K unit has a charge corona unit as explained earlier The charge corona unit is a Scorotron type Note that there are no ID sensors near the drum These are near the...

Page 322: ...e 322 Potential Sensor Not inside the drum This keeps dust and toner away from the sensor In the diagram the area to the right of the dotted line is inside the PCU The area to the left is inside the m...

Page 323: ...Toner Collection Coil Quenching Lamp The cleaning units are the same in each PCU except for one difference The spring that pushes the lubricant bar against the lubricant brush roller is different for...

Page 324: ...V C3 Training 324 Slide 324 Motors in the PCU Each PCU has three motors 1 Development Motor 2 Drum Cleaning Motor 3 Drum Motor...

Page 325: ...2 3 4 6 7 5 Rear Front Here is a view of the drive gears and shafts that are attached to the motors 1 Development Motor 2 Drum Cleaning Motor 3 Drum Motor 4 Development Coil Shaft 5 Drum Cleaning Moto...

Page 326: ...lack and white copying and printing only the black drum K rotates The other color drums Y M C do not rotate Drum Motor Three motors Drum motor development motor drum cleaning motor see the previous sl...

Page 327: ...he drum turns a gear turns the charge roller Charge Roller Charge Roller Cleaning Roller The charge is applied to the roller at the rear end of the roller The charge roller power pack supplies the cha...

Page 328: ...harge roller It is driven by the charge roller SP 2220 2 controls when the charge rollers for C M and Y are cleaned 0 OFF 1 With process control and at intervals selected with SP2221 2 At intervals se...

Page 329: ...y is AC applied to the charge roller There is a gap of 50 m between the charge roller and the drum Because of this gap the ac is applied to the charge roller to get the drum to the target potential mo...

Page 330: ...h electrostatic charge to the corona wires Charge Corona Unit OPC Drum The K unit has a charge corona unit as explained earlier The charge corona unit is a Scorotron type This system generates more oz...

Page 331: ...Slide 331 Corona Wire Cleaning The charge wire cleaning motor moves the charge wire cleaning pad forward and back This keeps the wires free of dirt and ensures a uniform charge corona Motor Cleaner No...

Page 332: ...Cleaning SP 2220 1 controls when the wire is cleaned 0 OFF 1 With process control and at intervals selected with SP2221 2 At intervals selected with SP2221 only To clean the corona wire at any time SP...

Page 333: ...First the cleaning brush roller removes toner This toner goes to the waste toner collection coil and to the waste toner collection bottle Drum Cleaning Brush Roller Drum Flicker Drum Cleaning Blade To...

Page 334: ...after this The lubricant brush roller increases the efficiency of the cleaning blade and applies lubricant to the drum surface Lubricant Blade Drum Lubricant Brush Roller Lubricant Bar The lubricant...

Page 335: ...V C3 Training 335 Slide 335 PCUs Development Units No additional notes...

Page 336: ...h The augers mix the developer with the toner from the toner cartridge The toner from the toner cartridge contains 10 carrier by weight The development roller applies toner to the latent image on the...

Page 337: ...per Developer is supplied in a bottle that is attached to a port at the front of the development unit The bottle is removed and discarded after installation It is not necessary to remove the PCU in or...

Page 338: ...m when printing many pages with a high proportion of solid image areas To counteract this in this new model fresh developer is always added with fresh toner As a result the life of the developer is in...

Page 339: ...V C3 Training 339 Slide 339 Mixing 1 Fresh toner which contains 10 carrier by weight comes in at the toner supply port Toner Supply Port No additional notes...

Page 340: ...s this with the developer in the development unit Then sends it to the supply auger This means that there is always fresh developer coming in with the toner and mixed with the existing developer Devel...

Page 341: ...he toner developer mixture is circulated in one direction by the development auger and the supply auger Development Auger Supply Auger Toner Supply Port The arrows in the three dimensional part of the...

Page 342: ...V C3 Training 342 Slide 342 Mixing 4 Toner is supplied from the supply auger to the development roller Development Roller Supply Auger No additional notes...

Page 343: ...ection auger This auger sends the excess toner back to the area where fresh toner comes in from the toner supply port Development Roller Doctor Blade Toner Collection Auger As a result of this new mix...

Page 344: ...drum and uses only fresh toner developer This means the density of the image is more uniform Development Roller This is a schematic view The one direction flow of developer in the V C2 V C3 series de...

Page 345: ...here to the horizontal used toner transport coil Waste Developer Coils Horizontal Used Toner Transport Coil The horizontal used toner transport coil is part of the waste toner disposal mechanism at th...

Page 346: ...Training 346 Slide 346 TD Sensor The TD sensor is of new design and extremely sensitive calibrated at the factory This TD sensor cannot be replaced in the field as an individual part No additional no...

Page 347: ...V C3 Training 347 Slide 347 PCUs Replacement Procedures First we shall study the important points about the replacement procedures Then do the procedures...

Page 348: ...cing The K PCU is different from the other PCUs Do not install a K PCU in the Y M or C position A sheet is packed with each new PCU to explain the SP codes to do after you replace a PCU There is no sp...

Page 349: ...alized twice for the same batch of developer a fatal error will occur with toner supply control Also if you initialize a TD sensor more than once this will cause toner scattering After replacing any c...

Page 350: ...ns developer The developer will damage the drum and ITB The yellow toner for the V C1 series is required for the maintenance of this model when the lubricant brush roller in the PCU is replaced The V...

Page 351: ...d for the V C1 Do not use a V C1 stand for this new machine or you could damage the drum The color is also different V C1 grey V C2 V C3 off white The PCU stand for this machine stores only two specia...

Page 352: ...V C3 Training 352 Slide 352 PCU Stand The PCU stand is stored under the machine PCU Stand No additional notes...

Page 353: ...revent toner getting on the floor Take out the PCU and put it on the stand This shows how to put the PCU on the PCU stand Do not use the PCU stand for the V C1 This could damage the drum In the diagra...

Page 354: ...lor These are TD sensor calibration characteristics You can attach the seal to a sheet of paper that comes with the new PCU as a convenient means of reference The settings must be made if you install...

Page 355: ...the Y position You must move the plate to the correct position or you will not be able to install the PCU A bracket in the machine blocks a pin on the PCU if the plate is not set correctly This is to...

Page 356: ...t add developer and initialize the TD sensor The procedure to follow and SPs to use are the same as when installing the machine See the Installation section of the service manual for details You must...

Page 357: ...e as follows The corona wires are thin and break easily If a wire breaks remove all the pieces from the machine Do not use alcohol to clean the charge corona unit Do not touch the surface of the new g...

Page 358: ...with a red stamp 1 and with a red ring around the sleeve on the other end 2 These markings distinguish the D081 D082 YMC PCU units from PCU units of previous machines Always replace a PCU unit with a...

Page 359: ...series field service manual Replacement and Adjustment PCU SP Codes After Replacements The V C1 series was not sold in some areas but the toner is available as a service part see below Part numbers of...

Page 360: ...V C3 series field service manual Replacement and Adjustment PCU Separating Drum Cleaning Unit Removing the OPC Drum The lubricant powder B1329700 is made from zinc stearate The old setting powder 5442...

Page 361: ...ing roller or drum cleaning blade SP3810 does the same as SP3811 except for the developer set up function SP3811 does the following Checks and confirm each PCU is installed and filled with developer S...

Page 362: ...t for K than for the YMC units The color of the spring for K is different The lubricant bar unit for the black PCU is marked K as shown above The unit for the color PCUs has no label Always install th...

Page 363: ...Zinc Stearate D0159501 for this procedure and for this procedure only The yellow toner must come from a bag of fresh toner and not from the toner supply port of a V C1 series model This could contain...

Page 364: ...in the mixture should be 1 1 V C3 field service manual Removal and Adjustment PCU PCU Blades and Rollers After Replacement This slide and the next one shows how to mix the two powders Why yellow tone...

Page 365: ...V C3 Training 365 Slide 365 Lubricant Brush Roller Replacement Apply Lubricant Powder 2 4 Mix the G104 Yellow Toner and Zinc Stearate together evenly No additional notes...

Page 366: ...one is available If a brush is not available use your finger 2 Only use this mixed powder for the PCU lubricant brush roller of the V C2 or V C3 Never apply this powder to another part or another mod...

Page 367: ...67 Developer Replacement Developer must be replaced for each PCU every 450K However developer can be replaced for only one PCU if a problem occurs For example the C_PCU can be replaced if Cyan is too...

Page 368: ...s are stored with the PCU stand You must check that they are here during the installation procedure PCU Stand Metal Jig Brown Coupling V C3 series field service manual Replacement and Adjustment PCU D...

Page 369: ...ts Put the PCU on the PCU stand The method was explained earlier in this section Cover the drum with paper Drum Unit Development Unit V C3 series field service manual Replacement and Adjustment PCU De...

Page 370: ...V C3 Training 370 Slide 370 Developer Replacement 3 Remove the Filter Remove the filter The filter must be replaced every time the developer is replaced No additional notes...

Page 371: ...1 Developer Replacement 4 Attach the Plug Fit the plug into the toner supply port This prevents toner from spilling out during servicing This plug comes with the accessories that are packed with the m...

Page 372: ...pling to prevent wear on the PCU components Attach and rotate the brown coupling as shown to remove the developer Metal Jig Brown Coupling V C3 series field service manual Replacement and Adjustment P...

Page 373: ...etal jig at the two points A as shown here The jig must be pointing down as shown After this install the new developer This was described in the Installation section V C3 series field service manual R...

Page 374: ...t 7 SP Modes After replacement do only these SP modes in this order Developer only 3801 2111 1 Developer and cleaning blade 3811 3812 2111 1 Drum developer and cleaning blade 3811 3812 2111 1 Drum and...

Page 375: ...l get toner scattering inside the machine To repair the machine you must replace the developer after you clean the machine If a technician initializes the sensor more than one time the developer must...

Page 376: ...lowing problems Developer Filling SP3814 was not successful Developer Setup SP3811 or TD sensor initialization SP3801 was not done or was not done correctly after Developer Filling SP3814 Developer Se...

Page 377: ...V C3 Training 377 Slide 377 V C3 TRAINING COPIER ENGINE TONER SUPPLY This section will explain the toner supply mechanism...

Page 378: ...e development unit Development Unit Toner Cartridge Sub Hopper TD Sensor Toner End Sensor The sub hopper is shown in the red square in the diagram Why is this called the sub hopper The development uni...

Page 379: ...Hopper The toner pump pulls toner into the hopper from the toner cartridge through the flexible tube The toner hopper motor controls the mechanism through the toner pump clutch Flexible Tubing Toner...

Page 380: ...he toner supply clutch The toner end sensor detects to send more toner from the cartridge Toner End Sensor Toner Pump Clutch Toner Supply Clutch Toner Hopper Motor Development Unit The toner hopper mo...

Page 381: ...the pin pushes the plug This opens the port an opening in the pin The machine can pump toner from the cartridge When the cartridge is removed the plug covers the port to prevent leaks Pin Plug Port I...

Page 382: ...V C3 Training 382 Slide 382 Toner End Sensors There is a toner end sensor on the side of each sub hopper No additional notes...

Page 383: ...ot detect toner in a sub hopper the toner pump is engaged for 2 seconds and the machine tries to supply toner from the cartridge If toner is not detected for 10 consecutive readings then toner near en...

Page 384: ...eed after toner near end Pixel count After the machine prints the equivalent of 30 A4 LT pages at 100 coverage SP 3412 005 006 If the machine prints many small jobs in the near end condition the pixel...

Page 385: ...hine supplies toner from the new cartridge to the sub hopper If the toner end sensor detects that toner was supplied the machine goes out of the toner end condition If no toner is detected for example...

Page 386: ...COLLECTION This section will explain the waste toner collection mechanism Waste developer collection from the development unit was covered in the PCU section of the course The waste developer enters...

Page 387: ...e toner collection coil collects waste toner and developer from the four PCUs The waste toner then goes to the vertical waste toner collection coil and into the collection bottle Waste toner from the...

Page 388: ...waste toner distribution coil makes sure that the level of toner in the bottle is flat Vertical Waste Toner Collection Coil Waste Toner Bottle Transport Coil Waste Toner Bottle Distribution Coil This...

Page 389: ...top of the stack of waste toner pushes a piece of silicone rubber then the film pushes a feeler into the gap of the sensor The sensor is blocked when the waste toner bottle is nearly full The machine...

Page 390: ...components that are used and the adjustments that can be made A handout is provided if people who are enthusiastic about process control and who insist on asking detailed questions that probably have...

Page 391: ...V C3 Training 391 Slide 391 Process Control Components used During Process Control No additional notes...

Page 392: ...unit Temperature humidity sensor Near the drum potential sensor above the M PCU The machine uses the readings from this sensor to correct the ac charge applied to the charge roller of each PCU The mac...

Page 393: ...location keeps dust and toner away from the sensor Copier Potential Sensor Drawer Connector Charge Roller Transfer Roller Dev Roller Potential Sensor Probe In the diagram the area to the right of the...

Page 394: ...394 Slide 394 1 ID Sensors One ID sensor circled in red Image Transfer Belt Rear of Machine Belt Rotation Direction This is a color ID sensor containing a direct reflection sensor and a diffused refl...

Page 395: ...V C3 Training 395 Slide 395 TD Sensors Each development unit has a TD sensor It does not contact the developer toner mixture directly No additional notes...

Page 396: ...r contacts the developer toner mixture directly If the sensor is removed developer comes out Developer Toner Mixture TD Sensor Bottom of Development Unit This shows how a hole is cut in the base of th...

Page 397: ...r does not come out of the development unit The sensor does not contact the developer directly The density is measured using magnetic fields The sensor measures the difference in response from the ini...

Page 398: ...V C3 Training 398 Slide 398 Process Control When is it done No additional notes...

Page 399: ...w Timing Initial process control self check During a job default off At the end of a job After a specified idle time Before ACC Auto Color Calibration After TD sensor initialization Forced process con...

Page 400: ...front door is open During a job A job is interrupted for process control if the job is longer than a certain number of pages that depend on SP 3552 Default Disabled At the end of each job if the numbe...

Page 401: ...s between 10 seconds and 180 seconds SP3501 004 can disable this process control It can also make the machine do only the potential control adjustment before ACC the toner density adjustment is not do...

Page 402: ...potential control and toner density adjustment SP3820 002 Do this after you replace the drum if you do not replace the developer at the same time If you replace the developer and other components at t...

Page 403: ...V C3 Training 403 Slide 403 Toner Supply Control No additional notes...

Page 404: ...page Used only for machine testing and in certain troubleshooting procedures Do not use in the field for other purposes Do not use SP 3301 to change to fixed supply mode if the TD and or ID sensor is...

Page 405: ...tely after potential control and uses the development gamma calculated during potential control There are separate counters for black and white and for colour Black and white After 250 pages adjust wi...

Page 406: ...of SP 3551 001 black and white default 250 or SP 3551 002 colour default 250 This uses the development gamma that was calculated during potential control If the development gamma during process contr...

Page 407: ...tref If the pattern is too pale Vtref is decreased As a result toner supply will be increased because toner supply is based on Vt Vtref Rear of Machine Belt Rotation Direction ID Sensor There is a TD...

Page 408: ...de 408 When is Toner Supply Adjusted 3 Every page using the TD sensor toner supply quantity adjustment If Vt Vtref the toner supply amount is decreased If Vt Vtref the toner supply amount is increased...

Page 409: ...toner M A on the Vsp pattern every 10 pages If the M A is too high then the machine increases Vtref An example is point A in the diagram Note that Vtref is increased at this time see the bottom diagr...

Page 410: ...int Job Get Pixel Count TD Sensor Reads Calculate Image Coverage Get Vtref Toner Supply Time Conversion Sub Hopper Clutch ON Time Calculate Amount of Toner Supply Amount Pixel Ratio Supply Amount Vt R...

Page 411: ...V C3 Training 411 Slide 411 V C3 TRAINING COPIER ENGINE PAPER FEED Paper feed mechanisms built into the machine will be described in this section The optional LCTs will be covered in separate sections...

Page 412: ...Each feed station has a motor Note the locations of the following parts Feed separation rollers in trays 1 2 and 3 Grip rollers in trays 1 2 and 3 these pull the paper out into the vertical feed path...

Page 413: ...Slide 413 Improved Thick Paper Handling The bend at the exit from the tray is smoother in Tray 3 This allows the tray to feed thick paper 2 without problems V C1 V C2 V C3 Trays 1 and 2 V C3 Tray 3 No...

Page 414: ...ay Roller The slide shows the motors involved in paper feed from the trays The by pass feed motor is not shown here We will see it later Each tray has a motor The motor drives the pick up feed separat...

Page 415: ...r raises the tray The machine detects that the tray is in place as follows 1st tray Electrical connection between tray and main body 2nd and 3rd trays Paper size switch The motor contains a near end s...

Page 416: ...hen the pick up solenoid releases the pick up roller which falls onto the top of the stack Tray Lift Trays 2 and 3 2 The lift sensor detects when the paper stack is at the correct height The paper hei...

Page 417: ...Tray Lift Trays 2 and 3 3 Study what happens when you pull out the tray In the 2nd and 3rd trays the bottom plate lowers under its own weight when the tray is pulled out For the 1st tray this mechani...

Page 418: ...position and turns freely Pick up and Feed Before the first page and between pages Grip Roller Between pages the grip roller has to turn because there may still be some paper in the vertical feed pat...

Page 419: ...d and pick up solenoid both turn on There is no feed clutch because each tray has its own motor When the separation roller solenoid turns on the separation roller contacts the paper feed roller When t...

Page 420: ...ck up and Feed Separation Roller Release The separation roller is normally away from the feed roller The advantages of this are Reduced wear on rollers no contact between rollers when another tray is...

Page 421: ...llers do not stick together at the start of a job just after the machine leaves standby mode When the feed roller reverses at the start of the job a small arm pushes the feed roller slightly forward s...

Page 422: ...V C3 Training 422 Slide 422 Paper End Detection When paper runs out a feeler drops through the cutout in the bottom plate...

Page 423: ...button only appears if SP 5112 is enabled Trays 2 and 3 can be set up for a wide range of paper sizes with a User Tool The user tool setting is Auto Detect which means that the machine takes the paper...

Page 424: ...across to the right tray After that paper feed resumes Paper can be added to the left tray without interrupting copying Tandem Feed Tray Overview Study the tandem tray system see the slide Study how t...

Page 425: ...o trays together If there is no paper in the left tray Right tray lock solenoid releases the lock The user can add paper to the left tray even while paper is feeding from the right tray Tray Lock and...

Page 426: ...ottom of the tray right tray paper end sensor saves time when checking if the tray has any paper or not before starting to lift the tray to the paper feed position There are two tray lowering mechanis...

Page 427: ...Near End Sensor Paper Height Sensors x3 These four sensors detect the amount of remaining paper These sensors cannot detect when the tray is empty When the tray is at the top the height sensor actuati...

Page 428: ...428 Tandem Feed Tray Paper End When paper runs out a feeler drops through the cutout in the bottom plate This is the same as for trays 2 and 3 The end sensor under the bottom plate is for other purpos...

Page 429: ...way Paper End Tray Down Sensor When paper runs out the tray must be lowered so that the stack in the left tray can be moved across to the right tray The lift motor reverses to lower the tray The tray...

Page 430: ...stack of paper in the left tray is moving across to the right tray Study how the side fence solenoids open the side fences The side fence open sensor detects when the fences are open fully The motor...

Page 431: ...e paper in the left tray is moved across to the right tray The rear fence drive motor pushes the paper stack into the right tray The return sensor detects when the fence is as far as it can go The rea...

Page 432: ...V C3 Training 432 Slide 432 Tray Positioning This is the same for all three trays...

Page 433: ...lers Pick up solenoid Drops the pick up roller and moves the stopper out of the feed path By pass feed clutch Starts the feed roller Paper end sensor Detects paper end By pass Feed Table Feed Mechanis...

Page 434: ...cted paper size to 8 5 x 11 By pass Feed Table Paper Size Detection This sensor is the same type as used in many recent models Non standard sizes must be specified by the user at the operation panel T...

Page 435: ...per Registration Overview The diagram shows the path of paper from all trays including the duplex unit and optional LCT The registration roller is driven by a motor dedicated to this task The registra...

Page 436: ...ation Drive Mechanism The registration roller has a dedicated motor instead of a clutch The shock of a clutch turning on can agitate the toner on the latent image This causes jitter near the leading e...

Page 437: ...paper piling up when a jam has occurred in the vertical feed path before reaching the registration roller When a jam occurs here the next sheet is already on its way up from the paper tray and must be...

Page 438: ...make it hard for casual walk up use to make quick color copies on thick paper for example Some users do not make the correct paper type setting at the operation panel But if the users do not make the...

Page 439: ...dem tray paper size change The users cannot do this themselves Don t forget to change the SP mode setting after changing the size The users do not have a user tool to do this if you forget Do the copy...

Page 440: ...is plate 1 Open the tandem tray 2 Remove the front cover of the right tray 3 Loosen one screw 4 Remove the other screw from the round hole and move it to the oval hole 5 Look at the scale through the...

Page 441: ...V C3 Training 441 Slide 441 V C3 TRAINING COPIER ENGINE IMAGE TRANSFER BELT PAPER TRANSFER ROLLER No additional notes...

Page 442: ...V C3 Training 442 Slide 442 Transfer Overview No additional notes...

Page 443: ...nsfer Belt ITB Cleaning Unit PTR Cleaning Unit PTR Paper Transfer Roller The ITB cleaning unit is not shown correctly in this diagram A correct diagram is shown later in this section For a description...

Page 444: ...V C3 Training 444 Slide 444 Transfer Image Transfer Belt ITB No additional notes...

Page 445: ...turns the ITB drive roller and this roller turns the ITB All the other rollers turn with the ITB there are no gears or timing belts The encoder inside the ITB motor unit controls the motor ITB Drive...

Page 446: ...tion between the drum and the ITB If the drum and ITB are the same speed toner is not transferred correctly for thin vertical lines in the image Because of this the drum is 0 3 slower Thin lines are b...

Page 447: ...rs must be constant Scale Feedback Sensors Belt speed The following is a list of items that can cause the belt speed to not be constant The machine adjusts the ITB drive motor speed to compensate Ecce...

Page 448: ...full color position Actuator goes out of sensor The belt is down and touches the K PCU only This is the black and white printing position ITB Lift Motor ITB Lift Sensor There is a motor in the machine...

Page 449: ...es wear on the color PCUs If you change the setting to 0 the ITB will not move away from the color PCUs if a black and white page appears during a color job This makes faster printing but increases we...

Page 450: ...e removes toner that is not removed by the brush A waste toner collection coil Waste toner goes to the collection coil and then to the waste toner collection bottle The PTR motor controls the ITB clea...

Page 451: ...V C3 Training 451 Slide 451 ITB Cleaning 2 The ITB has Lubricant bar Prevents scratching on the ITB surface Lubricant Blade Lubricant Brush Lubricant Bar No additional notes...

Page 452: ...V C3 Training 452 Slide 452 Transfer Paper Transfer Roller PTR No additional notes...

Page 453: ...453 Slide 453 P P Paper Transfer Paper Charge is applied here Charge is applied from above not at the PTR The roller that is charged is called the ITB Bias Roller This system is better against moistur...

Page 454: ...removed by the brush A lubricant bar and a lubricant brush roller The brush roller reduces scratching on the PTR A waste toner collection coil Waste toner goes to the collection coil and then to the w...

Page 455: ...e ITB when the machine is not printing The PTR lift motor rotates a cam The cam raises and lowers the lift plate which raises and lowers the PTR PTR Lift Motor Cam Lift Plate PTR This mechanism is nec...

Page 456: ...The PTR lift motor rotates a cam The cam raises and lowers the lift plate The PTR lift sensor detects the actuator and the machine uses this to control the lift mechanism Cam Lift Plate PTR Lift Moto...

Page 457: ...tervals between sheets from the PTR The ITB motor can be set to reverse slightly at the end of every job to remove paper dust that may have collected on the belt cleaning blade This feature can be set...

Page 458: ...V C3 Training 458 Slide 458 Transfer Power Supply No additional notes...

Page 459: ...rollers Power is applied at this roller below each PCU ITB bias roller Power is applied here and not at the PTR Transfer Power Pack ITB Bias Roller Image Transfer Roller Power is applied at the image...

Page 460: ...trols the amount of charge applied to the image transfer and ITB bias rollers To transfer the images from drum to ITB The transfer power pack supplies a positive charge 1 kV 24 to 30 A to the image tr...

Page 461: ...Correction for Temperature and Humidity There is a temperature humidity sensor under the waste toner bottle motor The machine uses the readings from this sensor to correct the charge on the ITB and on...

Page 462: ...V C3 Training 462 Slide 462 Transfer Paper Separation No additional notes...

Page 463: ...Training 463 Slide 463 P P Paper Separation Paper Paper Discharge Plate The separation power pack supplies ac and dc to the separation plate After that the weight of paper separates the paper from the...

Page 464: ...V C3 Training 464 Slide 464 Practical Work PTR Unit No additional notes...

Page 465: ...lide 465 Replacement Procedures PTR Unit After you replace components in this section you must do the forced MUSIC adjustment with SP 2111 in many cases Check the manual when you work on the PTR unit...

Page 466: ...V C3 Training 466 Slide 466 Practical Work ITB Unit No additional notes...

Page 467: ...he image transfer unit is heavy and not attached to the rails with screws Always keep the unit flat Do not tilt it Do not stand it on its side If you tilt the unit toner will come out inside the unit...

Page 468: ...base of the unit you can tilt the belt But keep the base of the unit flat Belt Base V C3 field service manual Removal and Adjustment Image Transfer Unit Separating the Belt Unit and Belt Cleaning Uni...

Page 469: ...de 469 Install a New Belt 1 The encoder strip silver must be at the rear of the machine Encoder Strip V C3 field service manual Removal and Adjustment Image Transfer Unit Reassembling the Belt Unit an...

Page 470: ...470 Slide 470 Install a New Belt 2 The belt flange must not touch the edge of the roller Flange V C3 field service manual Removal and Adjustment Image Transfer Unit Reassembling the Belt Unit and Belt...

Page 471: ...seals of the ITB cleaning unit Then put the belt unit on the cleaning unit Then remove the paper Is the paper damaged If so separate the ITB and cleaning unit and inspect the seal If the seal is dama...

Page 472: ...ed by the blade Then turn the lever to the up position Then turn the knob clockwise for one rotation This makes sure that the edge of the cleaning blade gets sufficient lubricant The cleaning blade re...

Page 473: ...the drum and ITB However the yellow toner of the V C1 series can be used for lubrication This was explained in the PCU section The V C1 series was not sold in some areas but the toner is available as...

Page 474: ...t Put the unit in the machine slowly and carefully Take care that the belt does not catch on the frame of the machine or on the toner cap of the yellow PCU on the far left Do the forced MUSIC adjustme...

Page 475: ...ubricant bar should be replaced together V C3 field service manual Removal and Adjustment Image Transfer Unit ITB Cleaning Unit 1 ITB Lubricant Blade 2 ITB Lubricant Brush Roller 3 ITB Cleaning Blade...

Page 476: ...Belt Position Sensor Replacement After you replace this sensor do the following SPs press Execute in each case SP2912 1 Encoder Sn Adj Light SP2914 1 Encoder Sn Get 1st Phase SP2111 1 Forced MUSIC Adj...

Page 477: ...ce manual to apply lubricant powder to the transfer belt After you replace components in this section you must do the forced MUSIC adjustment with SP 2111 in many cases Check the manual when you work...

Page 478: ...V C3 Training 478 Slide 478 V C3 TRAINING COPIER ENGINE FUSING No additional notes...

Page 479: ...V C3 Training 479 Slide 479 Fusing Unit Mechanisms No additional notes...

Page 480: ...C3a NA version None in the hot roller One in the pressure roller No oil supply unit But there are lubrication rollers for the fusing belt These rollers are saturated with silicone oil Hot Roller Heati...

Page 481: ...der that for a hard hot roller The additional curvature of the paper at the nip improves separation of paper from the fusing belt The heating roller not shown here is thinner so the fusing belt heats...

Page 482: ...d 240 V unit The fusing lamp connectors of the 120V unit are BLUE and those of the 240V unit are PINK If the wrong type of fusing unit is installed in the machine the machine will detect this and issu...

Page 483: ...fusing belt Used only for large paper sizes Lamp 3 heats only the center of the fusing belt Used for smaller thick paper sizes lamp 2 is not used 3 2 1 Heating Roller Pressure Roller Hot Roller The N...

Page 484: ...V C3 Training 484 Slide 484 Drive The fusing exit motor controls the rollers in the fusing unit The speed depends on the paper type Fusing Exit Motor No additional notes...

Page 485: ...de 485 Stripper Plates Two strippers For the fusing belt strippers a new plate type of design is used and not pawls Fusing Belt Strippers Pressure Roller Strippers See the next slide for more on the n...

Page 486: ...V C3 Training 486 Slide 486 Stripper Plates The strippers are flat resin plates In older models the stripper pawls are pointed and these are more likely to leave marks on the paper No additional notes...

Page 487: ...silicone oil It applies silicone oil to the pressure roller The pressure roller pushes up against the fusing belt Lubricant transfers to the pressure roller and on to the fusing belt Oil Supply Rolle...

Page 488: ...Slide 488 Fusing Temperature Control Heating Roller Thermistor Heating Roller Thermistors Pressure Roller Thermostats Hot Roller Thermistor Heating Roller Thermostats x 2 Pressure Roller Thermistor No...

Page 489: ...489 Slide 489 Functions disabled during warm up These functions have been disabled during warm up SP3820 Manual process control Auto Color Calibration User Tools Color Registration User Tools No addi...

Page 490: ...rses and the pressure roller moves away from the hot roller Pressure Roller Lift Motor Cams Pressure Roller Lift Sensor The pressure roller and hot roller are only in contact during printing This incr...

Page 491: ...V C3 Training 491 Slide 491 Fusing Unit Replacement Procedures No additional notes...

Page 492: ...ne another when servicing these machines Hot roller Pressure roller Pressure roller bearing Oil supply roller These three parts are physically interchangeable with the V C2 parts But always use the co...

Page 493: ...s for the part numbers Part Name Reason for Change Hot Roller 52 To extend service life by 150K 300K to 450K Pressure Roller 50 Lighter roller core to shorten warm up time to first copy print Pressure...

Page 494: ...rect Components Hot Roller Hot roller The marks on the ends of the two rollers are different The shaft of the V C2 roller has a hole in the end V C2 V C3 The next few slides show how to tell the diffe...

Page 495: ...V C3 Training 495 Slide 495 Order the Correct Components Pressure Roller Pressure roller The shapes of the ends of the shafts are different V C2 One step V C3 Two steps V C2 V C3 No additional notes...

Page 496: ...V C3 Training 496 Slide 496 Order the Correct Components Pressure Roller Bearing Pressure roller bearing The V C3 bearing is blue V C2 V C3 No additional notes...

Page 497: ...de 497 Order the Correct Components Oil Supply Roller Oil supply roller The numbers printed on the rollers are different V C2 The last two digits are 42 or 90 V C3 The last two digits are 15 V C2 V C3...

Page 498: ...en rotate the lever away from the pin Then tighten the screw again After you reinstall the fusing unit return the lever to the original position Move this lever away from the pin Pin Loosen only Do no...

Page 499: ...ase the fusing unit After you re install the fusing unit do not forget to lock the levers again Loosen only Do not remove Press down the lever to unlock the fusing unit V C3 field service manual Remov...

Page 500: ...d out but the user may not be able to push it back in because the fusing unit is still pressed up by the cam To cure this problem see the final part of the Removing the Fusing Unit procedure V C3 fiel...

Page 501: ...V C3 Training 501 Slide 501 Oil Supply Roller The end with the serial number must be at the front of the cleaning unit Oil Supply Roller No additional notes...

Page 502: ...when the adjustments are done the gap adjustment may not be within specification Normally this procedure is not required Do this procedure only when Paper has been frequently sticking to the fusing be...

Page 503: ...cate all bearings after replacement of the hot roller pressure roller and or heating roller For details on the lubrication points please refer to Lubrication Points in the Preventive Maintenance secti...

Page 504: ...has been replaced with a new type B Do not try reset a thermostat with a screw driver or by smacking it against the table Resetting a thermostat manually could cause a failure to detect overheating in...

Page 505: ...V C3 Training 505 Slide 505 Others The V C1 series and V C2 V C3 series fusing belts are not interchangeable The V C2 V C3 series belt is longer No additional notes...

Page 506: ...start to do work on the machine V C3 field service manual Removal and Adjustment Fusing Unit Fusing lamps The connectors and lamps have matching colours Also the front and rear terminals of the lamps...

Page 507: ...V C3 Training 507 Slide 507 V C3 TRAINING COPIER ENGINE PAPER EXIT AND DUPLEX No additional notes...

Page 508: ...page goes to the inverter before being fed out to the tray Duplexing The page goes through the inverter to the duplex tray Fusing Unit Exit from the Machine Exit from the Duplex Unit back into the Mac...

Page 509: ...V C3 Training 509 Slide 509 Exit No additional notes...

Page 510: ...the inverter is not used face up output or when paper was fed from the bypass tray Duplex junction gate solenoid on Duplex junction gate closed Paper goes up to the output tray Solenoid Inverter Junc...

Page 511: ...11 Paper Exit 2 When the inverter is used duplex mode or face down output Inverter junction gate open Inverter junction gate solenoid off Paper goes down to the inverter Inverter Junction Gate To Inve...

Page 512: ...V C3 Training 512 Slide 512 Paper Exit Drive The fusing exit motor controls this mechanism The knob in the red circle is to remove jams in the exit No additional notes...

Page 513: ...rs remove curl in the paper that comes out of the machine The heat pipe roller also removes heat from the paper The fins at the front of the heat pipe roller radiate heat The cooling pipe fan cools th...

Page 514: ...V C3 Training 514 Slide 514 Inverter Duplex Tray No additional notes...

Page 515: ...nverter Feed in If the paper exit mechanism directed the paper down towards the inverter the inverter entrance roller passes it to the jogger unit The weight of the paper pushes down the junction gate...

Page 516: ...Slide 516 Jogger motor Moves the jogger fences Jogger home position sensor Detects the jogger fence home position Inverter Jogging Jogging ensures that the paper is straight The motor and sensor are...

Page 517: ...V C3 Training 517 Slide 517 Reverse roller solenoid Lowers the reverse trigger roller Inverter Feed out 1 The next two slides show how paper is fed out of the inverter unit...

Page 518: ...t roller Feeds the paper upwards Inverter Feed out 2 In the red circle it is not easy to see but the inverter sensor is just past the inverter roller so this sensor detects when the paper has just bee...

Page 519: ...n gate and sends the paper down to the duplex tray The duplex transport rollers feed the paper through the duplex tray and back to the registration roller area Inverter Feed out 3 Duplex Tray Feed Mec...

Page 520: ...Drive the duplex transport rollers Duplex transport clutch Stops the first two transport rollers when needed by paper feed timing Fusing Exit Motor Duplex Inverter Motor Duplex Transport Motor Duplex...

Page 521: ...ning 521 Slide 521 Interleaving For A4 LT LEF or shorter three pages can be in the machine at the same time For paper longer than A4 LT LEF two pages can be in the machine at the same time No addition...

Page 522: ...V C3 Training 522 Slide 522 Replacement Procedures Make sure that the fusing unit is cool before you start to do work on the machine No additional notes...

Page 523: ...V C3 Training 523 Slide 523 V C3 TRAINING COPIER ENGINE ENVIRONMENTAL CONSERVATION FEATURES No additional notes...

Page 524: ...nvironmental Conservation Technology for Environmental Conservation Energy Saving Paper Saving This section explains the technology used in this machine for environmental conservation and the default...

Page 525: ...n paper consumption Improves machine productivity when printing out duplex double sided images 5 High speed duplex copying Improves machine productivity when printing out duplex double sided images 6...

Page 526: ...to warm up to the Read condition This is made possible through the utilization of dual fusing lamp heating low fusing point toner a pressure roller with a sponge surface layer and a thin surface laye...

Page 527: ...benefits of reduced energy consumption and reduced warm up time to be extended to color machines 4 Paper saving features 1 The duplex double sided and Combine features reduce paper consumption 2 The D...

Page 528: ...rleaf and high speed Inverter Transport features 2 Enables quick printing of duplex jobs through the use of Duplex Scanning 6 Ozone reduction design Greatly reduces the machine s ozone emissions to ne...

Page 529: ...conventional pulverization method This allows the toner to fuse at a lower temperature which reduces the impact on the environment and contributes to achieving even higher image quality than before P...

Page 530: ...laws and regulations as well as user requirements in each market in which the products are sold 2 Reduces the noise generated by the polygon mirror motor 9 Minimization of harmful substances 1 Product...

Page 531: ...Enables effective use of resources by recycling reusing the toner left over on the drum surface after image transfer 12 Recycle friendly design To maximize the recycling ratio of machine and component...

Page 532: ...from 1 5 mm to 1 0 mm This allows the core to reach the ready temperature much faster This also means that the warm up time is reduced Warm up time V C3a 90sec 70sec V C3b 75sec 60sec Through major re...

Page 533: ...side the ADF scans the rear side This also means that the duplex scan speed is improved Duplex Color 90 ppm B W 130 ppm V C2 was Color 53ppm B W 60ppm Through major reductions in warm up time and reco...

Page 534: ...ture Sleep Mode When a printer scanner or fax unit is installed No power is supplied to the printing engine and almost none to the controller When the machine is not being used the machine enters ener...

Page 535: ...imer Normally Panel Off timer Energy Saver timer Auto Off timer But for example if Auto Off timer or Panel Off timer and Energy Saver timer the machine goes immediately to Off mode when the Auto Off t...

Page 536: ...ving 2 2 Energy Saver Mode Condition of LEDs Condition of LEDs on the operation panel Mode Operation Switch LED Energy Saver LED Main Power LED Panel off Mode On On On Low Power Mode Off On On Off Sle...

Page 537: ...own for a second The machine is still in the stand by ready condition but turns off the LCD of the operation panel The machine recovers to the ready condition if one of the following occurs The Energy...

Page 538: ...Mode 2 Important There are two levels of Panel Off Mode Level 1 Panel off only No recovery time Level 2 Panel off and lower the fusing temperature Recovery time should be within 10 seconds Level 2 was...

Page 539: ...re is lowered to the prescribed temperature below the machine ready temperature The machine recovers to the ready condition if one of the following occurs The Energy Saver key is pressed An original i...

Page 540: ...machine enters sleep mode when one of the following is done The auto off timer runs out after the last job The operation switch is pressed to turn the power off When the machine enters sleep mode no...

Page 541: ...arm up the job starts but the operation panel stays dark Then after the job is completed the machine returns to sleep mode immediately Panel Off and Low Power modes are skipped Power Consump Time Plug...

Page 542: ...condition Then after the job is completed the machine returns to sleep mode when the auto off timer runs out or the operation switch is pressed Power Consump Time Plug in Operation Mode Warm up Off M...

Page 543: ...y the machine 8941 001 Operating mode 8941 002 Standby mode 8941 003 Panel off mode 8941 004 Low power mode 8941 005 Off sleep mode This should only be used as a reference value because the power cons...

Page 544: ...05 Machine Status 3 Find the amount of time spent in each mode Subtract the earlier measurement from the later measurement and convert the result to hour 4 Power consumption figures for each model are...

Page 545: ...on SP8941 Machine Status Time at Start min Time at End min Running time hour 60 Power Consumption Spec W Power consumption KWH 1000 Operating 001 Operating Time 21089 21386 5 0 1081 8 5 35 Stand by Re...

Page 546: ...Saving 3 1 Measuring the Paper Consumed 1 1 Duplex Reduce paper volume in half 2 2 2 Combine Reduce paper volume in half 3 Duplex Combine Using both features together can further reduce paper volume b...

Page 547: ...nter SP 8581 001 Single sided with duplex mode SP 8421 001 Double sided with duplex mode SP 8421 002 Book with with duplex mode SP 8421 003 Single sided with combine mode SP 8421 004 Duplex with combi...

Page 548: ...ges in Single sided with combine mode Number of pages in Duplex with combine mode B Total counter SP 8581 001 pages Single sided with duplex mode SP 8421 001 pages Double sided with duplex mode SP 842...

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