Utax CD 1018 Wartungshandbuch

Service ManualMFP - CopyCD 1018 Date: 17-03-2005

1-1-32GM1-6-13 Removing the exposure lamp ...

2GM1-6-76. Remove the screw.7. Remove the toner sensor and spring.8. Remove two screws.9. While pressing the latch by using the driver and then remove

2GM1-6-81-6-6 Removing the transfer rollerCAUTIONDo not touch the transfer roller (sponge) surface. Oil and dust (particles of paper, etc.) on the tra

2GM1-6-91-6-7 Removing the primary circuit PWBs(1) Removing the engine PWB1. Remove the right cover (see page 1-6-4).2. Remove all (twelve) connectors

2GM1-6-10(2) Removing the main PWB1. Remove the right cover (see page 1-6-4).2. Remove the connector.3. Remove the screw and then remove the speaker.F

2GM1-6-117. Remove two screws at the back of the main PWB. * When replacing the PWB with a new PWB, remove the EEPROM from the old PWB and mount it

2GM1-6-12(3) Removing the power supply PWB and high voltage PWB1. Remove the process unit (see page 1-6-2).2. Remove the left cover (see page 1-6-4).3

2GM1-6-13(4) Removing the bias PWB 1. Remove the cassette and process unit (see page 1-6-2). 2. Remove the left cover (see page 1-6-4). 3. Remove the

2GM1-6-141-6-8 Removing the main motor and drive unit1. Remove the cassette and process unit (see page 1-6-2).2. Remove the right cover (see page 1-6-

2GM1-6-156. Remove the engine PWB (see page 1-6-9).7. Remove wires from wire saddles on the cord cover.8. Remove the screw.9. Remove the cord cover.Fi

2GM1-6-1610. Remove the main PWB (see page 1-6-10).11. Remove the screw and then remove the grounding plate.12. Remove the screw and then remove the f

1-1-42GM2-3-6 CCD PWB ...

2GM1-6-17 15. Remove four screws. 16. Remove the drive unit.Figure 1-6-20 Removing the drive unitScrewsDrive unit

2GM1-6-181-6-9 Removing and splitting the fuser unitWARNING• The fuser unit is hot after the machine was running. Wait until it cools down.CAUTION• Wh

2GM1-6-196. Remove two screws.7. Open and split the fuser unit.Figure 1-6-22 Splitting the fuser unitScrewScrewFuser unit

2GM1-6-20(1) Removing the separation clawsWARNINGThe separation claws are extremely hot immediately after the copier was running. Allow substantial pe

2GM1-6-21(2) Removing the heater lampWARNING• The heater lamp is extremely hot immediately after the machine was running.• Allow substantial period of

2GM1-6-22(3) Removing the heat rollerWARNING• The heat roller is extremely hot immediately after the machine was running. Allow substantial period of

2GM1-6-234. Remove the heat gear Z33, heat R bush, and heat L bush from the heat roller.Figure 1-6-26 Removing the heat rollerHeat gear Z33Heat R bush

2GM1-6-24(4) Removing the thermistor1. Remove and split the fuser unit (see page 1-6-18).2. Remove the heater lamp (see page 1-6-21).3. Remove the hea

2GM1-6-25(5) Removing the thermal cutoutCAUTION• Do not bend the terminals of the thermal cutout.1. Remove and split the fuser unit (see page 1-6-18).

2GM1-6-26(6) Removing the press rollerWARNING• The press roller is extremely hot immediately after the machine was running. Allow substantial period o

2GM1-1-11-1-1 SpecificationsType ... DesktopCopying system... Indirect electros

2GM1-6-271-6-10 Removing the scanner unit1. Remove the right and left cover (see page 1-6-4).2. Remove the speaker (see page 1-6-10).3. Remove five co

2GM1-6-284. Remove two screws.5. Slide the scanner unit and then remove thescanner unit.Scanner unitScrewsFigure 1-6-31 Removing the scanner unit

2GM1-6-29ScrewsScrewsScrewConnectorsScrewLSU shield13421-6-11 Removing the laser scanner unit and the eraser lamp1. Remove the scanner unit (see page

2GM1-6-30ScrewsConncetorLaser scanner unitConncetor1236. Remove three screws.7. Remove two connectors from the laserscanner unit.8. Remove the laser s

2GM1-6-31Eraser lamp9. Remove the eraser lamp.Figure 1-6-35 Removing the eraser lamp

2GM1-6-321-6-12 Removing the ISU unit1. Unhook two hooks by using screw driverthrough the holes and then remove theoperation unit.HookHoleHoleOperatio

2GM1-6-333. Remove two screws and then remove two grounding plates.4. Remove the stopper ring and then detach the scanner shaft.* Detach the shaft tak

2GM1-6-341-6-13 Removing the exposure lamp1. Remove the ISU unit (see page 1-6-32).2. Remove two connectors from the inverterPWB.3. Remove the screw a

2GM1-6-35CablesExposure lampExposure lamp mount5. Remove the exposure lamp and cables fromthe exposure lamp mount.• Do not touch the glass surfaces of

2GM1-6-361-6-14 Removing the scanner mirror A1. Remove the ISU unit (see page 1-6-32).2. Remove the exposure lamp (see page 1-6-34).3. Unhook two mirr

2GM1-1-2• Printing functionsPrinting speed ... A4/81/2" × 11": 18 prints/min.A5: 10 prints/min.81/2" × 14&

2GM1-6-371-6-15 Removing the scanner motor1. Remove the original holder cover (see page1-6-32).2. Remove the right cover (see page 1-6-4).3. Remove th

2GM1-6-388. Remove three screws and then remove thegrounding plate.Stopper ringScanner shaftFigure 1-6-48 Removing the scanner motor (5)Figure 1-6-47

2GM1-6-39ScrewScanner motorScanner motor mountScrewsScrewScanner motor mountCableCable clamps10.Remove the cable from the cable clamps.11. Remove four

2GM1-6-40ABSnapSnapsMain chargercapCMain chargerunitMain chargerunitTerminal1-6-16 Removing the main charger unit1. Remove the process unit from the m

2GM1-6-41YesNoStartEnter maintenance mode.Enter 034 usingup/down cursor keys.Press the enter key.Press the system menu/counter key.Is the leading edge

2GM1-6-42YesNoStartEnter maintenance mode.Enter 034 using up/down cursor keys.Press the enter key.Press the system menu/counter key.Is the image corre

2GM1-6-43StartEnter maintenance mode.Enter 051 using up/down cursor keys.YesYesNoNoPress the enter key.Regist. Cas.1: DrawerRegist. MPT: MP trayRegist

2GM1-6-44(4) Adjusting magnification of the scanner in the main scanning directionPerform the following adjustment if the magnification in the main sc

2GM1-6-45Enter maintenance mode.Enter 065 usingup/down cursor keys.YesNoStartPress the system menu/counter key.Place an original and press the start k

2GM1-6-46(6) Adjusting the scanner leading edge registrationPerform the following adjustment if there is regular error between the leading edges of th

2GM1-1-3Figure 1-1-1 Names of parts1-1-2 Names of parts(1) Main body1 Original cover2 Contact glass3 Original size indicator plate4 Operation panel5 F

2GM1-6-47(7) Adjusting the scanner center linePerform the following adjustment if there is a regular error between the center lines of the copy image

2GM1-6-48(8) Adjusting the margins for scanning an original on the contact glassPerform the following adjustment if the margins are not correct.U404(P

2GM1-6-49(9) Adjusting the DP magnificationAdjust magnification in the auxiliary scanning direction if magnification is incorrect when the DP is used.

2GM1-6-50(10) Adjusting the DP leading edge registrationPerform the following adjustment if there is a regular error between the leading edge of the

2GM1-6-51Figure 1-6-62Enter maintenance mode.Press the enter key.Enter 071 usingup/down cursor keys.YesNoStartEndPress the system menu/counter key.For

2GM1-6-52(12) Adjusting the DP center linePerform the following adjustment if there is a regular error between the centers of the original and the cop

2GM1-6-53(13) Adjusting the margins for scanning the original from the DPPerform the following adjustment if margins are not correct.U404U403(P. 1-6-4

2GM1-7-1Figure 1-7-1Figure 1-7-2CF coverCompact FlashCF slot1-7-1 Upgrading the firmware on the main PWB• When using Compact FlashFirmware upgrading r

2GM1-7-2• When replacing DIMMFirmware upgrading requires the following tools:DIMM (P/N 2GM01210/302GM01210)Procedure1. Turn the power switch off and d

2GM2-1-12-1-1 Paper feeding systemThe paper feeding system picks up paper from the cassette, MP tray, or if installed, the optional cassette, feeds it

2GM1-1-4(2) Operation panel1 Status/Job cancel key and indicator2 Copy key and indicator3 Send key and indicator4 One-touch keys (1 to 8)5 Scan color

2GM2-1-2(1) Paper feed controlThe following diagram shows interconnectivity of the feeding system components including the sensors and rollers. Theeng

2GM2-1-3(2) Paper feeding mechanismFigure 2-1-3 Paper feeding mechanism0!@%(&AB#$*)^3fi›4¤562fl1⁄789‹CA For process unit; drum (From main unit)B For

2GM2-1-42-1-2 Original scanning systemThe scanner unit consists of the image scanning unit (ISU) for main-direction scanning, and drive part for trave

2GM2-1-5Figure 2-1-5 Scanner control circuit block diagramYC2-2YC1-4YC6-2YC6-3YC6-4YC6-6YC6-8YC6-10YC6-12YC6-16YC6-18YC6-20YC3-5YC7-2, 1YC3-4YC3-3YC11

2GM2-1-678612435OriginalFigure 2-1-6 ISU unit1 Exposure lamp2 Scanner reflector3 Mirror A4 Mirror A5 Mirror B6 ISU lens7 CCD image sensor8 CCD PWB(1)

2GM2-1-72-1-3 Electrophotographic systemElectrophotography is the technology used in laser printing which transfer data representing texts or graphics

2GM2-1-8(1-1) Process unit mechanismFigure 2-1-8 Process unit mechanism1‹*%4567890^&#$DABC23)(⁄¤@!Driving power trainA For drum (From main unit)B

2GM2-1-9(2) Main charging(2-1) Photo conductive drumThe durable layer of organic photoconductor (OPC) is coated over the aluminum cylinder base. The O

2GM2-1-10(2-2) Charging the drumThe following shows a simplified diagram of the electrophotographic components in relation to the engine system.Chargi

2GM2-1-11(3) ExposureThe charged surface of the drum is then scanned by the laser beam from the laser scanner unit.Figure 2-1-11 ExposureThe laser bea

2GM1-2-11-2-1 DrumNote the following when handling or storing the drum.• When removing the process unit, never expose the drum surface to strong direc

2GM2-1-12(3-1) Laser scanner unit32541Diversion mirror61 Laser diode ... Emits diffused, visible laser

2GM2-1-13(3-2) Drum surface potentialThe laser beam is continually switched on and off depending on the print data. It is on for a black (exposed) dot

2GM2-1-14(4) DevelopmentThe latent image constituted on the drum is developed into a visible image. The developing roller contains a 3-pole (S-N-S) ma

2GM2-1-15(5) TransferThe image developed by toner on the drum is transferred onto the paper because of the electrical attraction between thetoner itse

2GM2-1-16(6) FusingThe toner on the paper is molten and pressed into the paper as it passes between the heat roller and the press roller inthe fuser u

2GM2-1-17(6-1) Fuser unit mechanismFigure 2-1-17 Fuser unit mechanism0!123456789@1 Heat roller2 Idle gear Z343 Exit gear Z234 Idle gear Z185 Heat gear

2GM2-1-18(7) CleaningAfter the transferring process, the drum needs to be physically cleaned of toner which is residual after the developmentprocess.

2GM2-2-12-2-1 Electrical parts layout(1) Main unit1 Main PWB2 Engine PWB3 Power supply PWBA Power switchB Exit sensorC AC Inlet4 High voltage PWBD Int

2GM2-2-2(2) Scanner unit1 Operation PWB2 CCD PWB3 Scanner PWB4 Inverter PWB5 Scanner home position sensor6 Scanner motor7 Exposure lampFigure 2-2-2 Sc

2GM2-3-1ASIC(U2)CPU(U1)CPUA [31:0]CPUD [31:0]LD [31:16]LD [15:0]LA [22:2]LA [22:5]ROMA[4:2],ROMOEN[0],ROMCSN[1:0],ROMWEN[0]ROMA[1],ROMOEN[1],ROMCSN[3]

1-3-12GM1-3-1 Unpacking and installation(1) Installation procedureUnpack.Inisializing the machine.Connect the power cord.Load paper.Using the one-tou

2GM2-3-2Figure 2-3-2 Main PWB silk-screen diagramYC10U30U28U29YC7YC13YC1U26YC8120 11131115113850A1B1A30B302098YC2U14 U15U34X8X10U11YS5X3X1U35YC9U2U40X

2GM2-3-3Connector Pin No. Signal I/O DescriptionYC1Connectedto the FAXcontrolPWBA1 NC - Not usedA2 NC - Not usedA3 AUDIO I AUDIO signalA4 +3.3 V O 3.3

2GM2-3-4Connector Pin No. Signal I/O DescriptionYC2Connectedto thecompactflash socketYC3Connectedto theparallel I/F1 GND - Ground2 D3 O Data bus D33 D

2GM2-3-5Connector Pin No. Signal I/O DescriptionYC3Connectedto theparallel I/FYC4Connectedto the USBYC5Connectedto theEthernetYC6Connectedto thescanne

2GM2-3-6Connector Pin No. Signal I/O DescriptionYC6Connectedto thescannerPWBYC7Connectedto theenginePWBYC8Connectedto the laserscannerunitYC10Connecte

2GM2-3-72-3-2 Engine PWBFigure 2-3-3 Engine PWB circuit block diagramMain PWBLaser scanner unitRSTINRSTNPLGCLKPLGRDYNPLGDRNEESCKMPFDRNEEDIOMP feed clu

2GM2-3-8Figure 2-3-4 Engine PWB silk-screen diagramYC11YC1521213110 113 1 10 13111611531311751 2120 151YC10 YC13 YC14YC7YC8YC6YC9YC4YC3YC2 YC5YC16YC1U

2GM2-3-9(1) Eraser lamp control circuitThe CPU (U1) turns pin #86 (ERASER) of U1 to H level, transistors (Q18) turns on consequently, and the 24 V DC

2GM2-3-10(2) Heater lamp control circuitActivation of the heater lamp is dominated by the HEAT signal which is derived by the engine CPU (U1) at its p

2GM2-3-11The AC power for the heater is applied in one of the five variations of the zero cross switchings as shown in Figure 2-3-7.Each variation is

1-3-22GMUnpack.1 Main body2 Toner container3 Power cord4 Cleaning cloth5 One-touch key sheet6 CD ROM7 Outer case8 Bottom pad9 Upper pad0 Side padFigur

2GM2-3-12 Figure 2-3-7 Heater lamp turn-on variationsVariation No.1(Duty 100 %)Variation No.2(Duty 80 %)Variation No.3(Duty 60 %)On On On On On On On

2GM2-3-13(3) Polygon motor control circuitThe main controller PWB supplies the 2598.4 Hz clock pulse (PLGCLK) via the engine PWB to the PLL control IC

2GM2-3-14Connector Pin No. Signal I/O DescriptionYC3Connectedto the mainPWBYC4Connectedto the mainmotorYC5Connectedto the MPfeed clutchYC6Connectedto

2GM2-3-15Connector Pin No. Signal I/O Description1 +24 V3 O 24 V DC power supply2 +24 V3 O 24 V DC power supply3 PGND - Ground4 PGND - Ground5 PAPERN

2GM2-3-16Connector Pin No. Signal I/O DescriptionYC14Connectedto theeraser lamp1 ERASPW O 24 V DC power supply2 ERASERN O Eraser lamp: On/Off3 PGND -

2GM2-3-172-3-3 Power supply PWBThe power supply PWB provides the AC power input and DC power and outputs. The high voltage bias generator circuit ismo

2GM2-3-18YC3C103Q122Q121T1L1L2TRA1NTC1LNPC4PC3PC2PC5PC1C104C5C101C102YC4YC1YC2D101D1D102Q1 Q20Q502Q522F2YC3C103Q122Q121T1L1L2TRA1NTC1LNPC4PC3PC2PC5PC1

2GM2-3-19DevelopingrollerBias PWBEngine PWBRegist-rationsensorDeveloping biasoutput circuitFAN1FANFAN2PAPERNSWINRESITTONEREPYHVCLKRTHVDR, HVISEL, PSEL

2GM2-3-20ControlanddrivercircuitTransfer biasoutputpositive voltagecircuitMHVDR1,2THVDR,RTHVDRPSEL1HVISEL+24V2+24V2+24V2+24V3+24V1+5V+5VZCROSS,THERM,

2GM2-3-21(1) Interlock switchThe interlock switch is located on the high voltage PWB and opened and closed in conjunction with the front cover or thef

1-3-32GMCAUTIONS• Be sure to hold both the front and rear sides of the machine when carrying it, as shown in the illustration.• Be sure not to pull th

2GM2-3-22CCDsensor(U4)Drivers (U3, 8, 9)OP-AMPs (U6, 7)CCD PWBOriginalScanner PWBMain PWBEngine PWBExposure lampScanner homeposition sensorCCDR2CCDG2C

2GM2-3-23Connector Pin No. Signal I/O DescriptionFigure 2-3-17 CCD PWB silk-screen diagramYC11113230YC2YC3U7U6U4U9U8U3YC1Connectedto thescannerPWBYC2C

2GM2-3-24Figure 2-3-18 Operator PWB circuit block diagramSGNDSGND+5VSGND+5VSGND+5VSGND+5VSGNDSGNDSGNDSGNDSGNDSGNDSGNDSGNDSGND+3.3V+5VENGY_KEYLED3LED2L

2GM2-3-25Connector Pin No. Signal I/O DescriptionK1 K5K2K3K4K6K7K8U3U1U2U4U7U6X1X2YC5YC3YC6YC7K9 K13K17K10YC2YC1K11K12K14 K18K15K16K19K20K21 K22K23K24

2GM2-3-26Figure 2-3-20 Scanner PWB circuit block diagramOperationPWBInverterPWBScanner PWBOptionalDPMainPWBEnginePWBDrivercircuit(U1)Exposurelamp driv

2GM2-4-15397 ms97 ms130 ms81 ms263 ms167 ms90 ms90 ms100 ms390 ms100 ms100 ms167 ms100 ms100 ms390 ms263 ms1375 ms1375 ms100 ms367 ms 248 ms99 msOVSYN

2GM2-4-23815 ms115 ms130 ms81 ms263 ms167 ms90 ms100 ms90 ms100 ms390 ms 263 ms86 ms167 ms100 ms100 ms347 ms1375 ms1375 ms100 ms358 ms232 ms116 msOVSY

2GM2-4-34668 ms116 ms130 ms81 ms263 ms167 ms100 ms100 ms90 ms90 ms390 ms 263 ms82 ms100 ms167 ms100 ms390 ms1375 ms1375 ms100 ms325 ms275 ms116 msOVSY

2GM2-4-1Wiring diagramA B C D E F G H IJA B C D E F G H IJ12345678123456782-4-4ThermalcutoutHeater lampThermistor123456789101112131415A1/B1A2/B2A3/B3A

Service ManualMFP - CopyDC 2018 Date: 17-03-2005

1-3-42GM 1. Remove the sheet and the two tapes. 2. Open the original cover.Remove the tapes, pads and sheets.Figure 1-3-3Figure 1-3-4TapesSheetOrigina

1-3-52GM 3. Remove the eight tapes, the two pads and thesheet. 4. Pull the cassette out of the machine. 5. Remove the cassette spacer from inside thec

1-3-62GMRemove the pin holding scanner unit. 1. Remove the yellow pin for scanner unit and thepaper tag from the left side of the machine.PinPaper tag

1-3-72GM 3. Remove the process unit from the machine.CAUTIONS• Place the process unit on a clean, level surface.• Never expose the process unit to any

1-3-82GM 6. Shake the toner container horizontally back andforth five or six times so that the toner inside of itbecomes evenly distributed. 7. Remove

1-3-92GM 9. Hold the process unit stable and push on theareas marked PUSH HERE on the tonercontainer until the container clicks into place.10. Push t

1-3-102GM12. Close the front cover.13. Close the front top cover.Figure 1-3-20Figure 1-3-21Front coverFront top cover

1-3-112GM 1. Connect the power cord.Figure 1-3-22Figure 1-3-24Figure 1-3-23Connect the power cord.Initializing the machine.Power cord 1. Turn the powe

1-3-122GMFigure 1-3-25 1. Pull the cassette out of the machine. 2. Adjust the paper stopper in the rear portion of thecassette to fit the size of the

1-3-132GM4) Press down on the stopper extension lock andslide the paper stopper towards the rear of thecassette to set the lock into place.The paper s

CAUTIONDanger of explosion if battery is incorrectly replaced. Replace only with the same or equivalenttype recommended by the manufacturer. Dispose o

1-3-142GMFigure 1-3-31NOTES• Always adjust the paper stopper and paper widthguides before loading paper into the cassette. Failure to do so may resul

1-3-152GMMake test copies.End of installation.Using the one-touch key sheet. 1. Remove the one-touch key sheet from bottomside of the operation panel.

1-3-162GM1-3-2 Connecting the cables(1) Connecting the network cableTo connect the machine to a network, use an network cable (10Base-T or 100Base-TX

1-3-172GM(2) Connecting the printer cableTo connect the machine directly to your computer, use either a parallel cable or USB cable.Procedure 1. Turn

1-3-182GM1-3-3 Installing the document processor (option)Procedure 1. Remove all of the components to the documentprocessor from the box.CAUTIONBe su

1-3-192GMFigure 1-3-42Figure 1-3-43Figure 1-3-44 4. Attach the document processor to the machine.CAUTIONBe sure that the connection cable does not get

1-3-202GMFigure 1-3-46Figure 1-3-45CAUTIONBe sure to tighten the pins securely whenconnecting the cable. 7.Connect the power cord and turn the powers

1-3-212GM1-3-4 Installing the expanding memory (option)The main PWB of the machine is equipped with onesocket for memory expansion. Expansion memory

1-3-222GM1-3-5 Installing the fax system (option)Turn the machine's power switch to OFF and unplugthe machine from the power supply before insta

1-3-232GM 3. Connect the modular cord to the line jack.120 V specifications: Connect the modular cordwith the attached ferrite core to the machine.Lin

indicates that action is required. The specific action required is shown inside the symbol.General action required.Remove the power plug from the wal

1-3-242GMInitialization procedure after installation of fax system 1. Insert the machine power plug to the wall outlet and turn the power switch on. 2

2GM1-4-11-4-1 Maintenance modeThe machine is equipped with a maintenance function which can be used to maintain and service the machine.(1) Executing

2GM1-4-2GeneralInitializationDrive, paperfeed and paperconveyingsystemOpticalHigh voltageDevelopingFusing andcleaningOperationpanel andsupportequipmen

2GM1-4-3(3) Contents of maintenance mode itemsMaintenanceDescriptionitem No.U000 Outputting an own-status reportDescriptionOutputs lists of the curren

MaintenanceDescriptionitem No.2GM1-4-4Item Description1 Paper Jam Log #: Log number 1 to 16 jams are recorded. (If the number of jams exceeds 16, the

2GM1-4-5MaintenanceDescriptionitem No.Item Description(c) Paper size 01: Envelope Monarch 09: B5 1F: Postcard 02: Envelope #10 0D: A5 20: Reply-paid

MaintenanceDescriptionitem No.2GM1-4-6U020 Initializing all dataDescriptionInitializes all the backup RAM on the engine PWB to return to the original

2GM1-4-7MaintenanceDescriptionitem No.U063 Adjusting the shading positionDescriptionChanges the shading position.PurposeUsed when white lines continue

MaintenanceDescriptionitem No.2GM1-4-8U074 Adjusting the DP input light luminosityDescriptionAdjusts the luminosity of the exposure lamp for scanning

2GM1-4-9MaintenanceDescriptionitem No.U089 Outputting a MIP-PG patternDescriptionSelects and outputs a MIP-PG pattern created in the machine.PurposeWh

1. Installation PrecautionsWARNING• Do not use a power supply with a voltage other than that specified. Avoid multiple connections toone outlet: they

MaintenanceDescriptionitem No.2GM1-4-10Method: 1dot PG output1. Change the setting using the left/right cursor keys.Description Setting range Initial

2GM1-4-11MaintenanceDescriptionitem No.U144 Setting toner loading operationDescriptionSets toner loading operation.PurposeTo run when drum filming (ba

MaintenanceDescriptionitem No.2GM1-4-12U161 Setting the fusing control temperatureDescriptionChanges the fusing control temperature.PurposeNormally no

2GM1-4-13MaintenanceDescriptionitem No.U203 Operating DP separatelyDescriptionSimulates the original conveying operation separately in the DP.PurposeT

MaintenanceDescriptionitem No.2GM1-4-14U403 Adjusting margins for scanning an original on the contact glassAdjustmentSee page 1-6-48.U404 Adjusting ma

2GM1-4-15MaintenanceDescriptionitem No.U425 Setting the targetDescriptionWhen running U411 “Adjusting the scanner automatically,” input the color data

MaintenanceDescriptionitem No.2GM1-4-16U901 Checking/clearing print counts by paper feed locationsDescriptionDisplays or clears print counts by paper

2GM1-4-17MaintenanceDescriptionitem No.U927 Clearing accounting counterDescriptionClears the total count, scanner count and machine life count. The co

1-4-182GM1-4-2 System settingsIn addition to a maintenance function, the machine is equipped with a system settings which can be operated by users(ma

1-4-192GM(2) System settings Adjusting the contrast of the message display1. Select Adjust and press the enter key.2. Select LCD Contrast and press

• Check that the power cable covering is free of damage. Check that the power plug is dust-free. Ifit is dirty, clean it to remove the risk of fire or

1-4-202GM Setting of the reset time1. Select Date/Timer Set. and press the enter key.2. Select Reset Timer and press the enter key.3. Register the cu

1-4-212GM1-4-3 Service settingsThe machine is equipped with a service settings which can be operated by service person.(1) Executing a service settin

1-4-222GM(2) Contents of service setting itemsPrinting a status page for service purposeDescriptionPrints a status page for service purpose. The statu

2GM1-4-23Service items DescriptionItems Description1 Destination information 1: For Europe/Australia/New Zealand2: For America/Canada/South America3:

Service items Description2GM1-4-24Items Description9 Maintenance information(Hexadecimal)No. Data Description16 Initial setting for the developer17 Se

2GM1-4-25Service items DescriptionItems Description9 Maintenance information(Hexadecimal)No. Data Description67 Paper size counter: 81/2" × 11&qu

Service items Description2GM1-4-26Printing a status page for networkDescriptionPrints a status page that lists information on the network settings.Pro

2GM1-4-27Service items DescriptionToner installation modeDescriptionExecutes toner install operation when replacing the toner.Procedure1. Select [New

Service items Description2GM1-4-28Setting the FAX destination codeNote: This setting is only available when the optional fax system is installed in th

2GM1-5-11-5-1 Paper misfeed detection(1) Paper misfeed indicationWhen a paper misfeed occurs, the machine immediately stops copying or printing and di

• Do not pull on the AC power cord or connector wires on high-voltage components when removingthem; always hold the plug itself. ...

2GM1-5-2(2) Paper misfeed detection conditionsRegistrationsensorExitsensorFigure 1-5-2

2GM1-5-3Section Jam code Description ConditionsSystemPaper feedsectionFusingsectionExit sec-tionDP(option)030405101112202122405070717A7B7FNo paper fee

2GM1-5-4Problem Causes/check procedures Corrective measures(3) Paper misfeeds• Main body(1)A paper jam in theconveying, fusing orexit section is indi-

2GM1-5-5Problem Causes/check procedures Corrective measures(5)A paper jam in thepaper feed sectionis indicated duringcopying or printing(multiple shee

2GM1-5-6Problem Causes/check procedures Corrective measures(9)A paper jam in theexit section is indi-cated during copy-ing or printing (jamin the exit

2GM1-5-7Problem Causes/check procedures Corrective measures• DP(1)An original jamswhen the powerswitch is turned on.(2)An original jams inthe DP is in

2GM1-5-8(2) Self diagnostic codesCode ContentsRemarksCauses Check procedures/corrective measuresC0030C0070C0150C0160C0170C0180C0210Fax control PWB sys

2GM1-5-9Code ContentsRemarksCauses Check procedures/corrective measuresC0220C0280 C0800C0830C0870C0880C0920Communication problem betweenthe main PWB a

2GM1-5-10Code ContentsRemarksCauses Check procedures/corrective measuresC2000C3100C3200Main motor problem• LOCK ALM signal remains high for 1s, 1 s af

2GM1-5-11Code ContentsRemarksCauses Check procedures/corrective measuresC4000C4010C6000C6020Polygon motor synchronizationproblem• The polygon motor do

1-1-12GMCONTENTS1-1 Specifications1-1-1 Specifications ...

2GM1-5-12Code ContentsRemarksCauses Check procedures/corrective measuresCheck the connection of connector YC4 onthe power supply PWB and the continuit

2GM1-5-13Code ContentsRemarksCauses Check procedures/corrective measuresC7980C7990CF- - -CF010CF012CF1--CF2--CF3--CF4--Waste toner reservoir overflowp

2GM1-5-14Code ContentsRemarksCauses Check procedures/corrective measuresCF5--CF6--CF7--CF8--Controller system errorController system errorController s

2GM1-5-151-5-3 Image formation problems(1) No image appears(entirely white).See page 1-5-16(2) No image appears(entirely black).See page 1-5-16(3) Ima

2GM1-5-16(1) No image appears(entirely white).Causes1. No transfer charging.Causes Check procedures/corrective measures1. No transfer charging.A. The

2GM1-5-17Causes Check procedures/corrective measures1. Dirty or flawed main charger wire.2. Foreign matter in the developing section.3. Flawed drum.4.

2GM1-5-18Causes Check procedures/corrective measures1. Dirty contact glass.2. Dirty or flawed drum.3. Deformed or worn cleaning blade.4. Dirty scanner

2GM1-5-19(11)The leading edge ofthe image is consis-tently misaligned withthe original.Causes1. Misadjusted leading edge registration.2. Misadjusted s

2GM1-5-20(14)Image is partly miss-ing.Causes1. Paper damp.2. Paper creased.3. Flawed drum.Causes Check procedures/corrective measures1. Paper damp. Ch

2GM1-5-21(15)Fusing is poor. Causes1. Wrong paper.2. Flawed press roller.Causes Check procedures/corrective measures1. Wrong paper. Check if the paper

1-1-22GM(15) Fixing is poor. ...

2GM1-5-221-5-4 Electrical problemsProblem Causes Check procedures/corrective measures(1)The machine doesnot operate whenthe power switch isturned on.(

2GM1-5-23Problem Causes Check procedures/corrective measures(6)The MP feed clutchdoes not operate.(7)The registrationclutch does not op-erate.(8)The e

2GM1-5-24Problem Causes Check procedures/corrective measures(13)Main charging is notperformed.(14)Transfer charging isnot performed.(15)A paper jam in

2GM1-5-25Clean with isopropyl alcohol.Check visually and replace any deformedrollers (see pages 1-6-5, 6).See pages 1-5-22, 23.Clean with isopropyl al

2GM1-6-11-6-1 Precautions for assembly and disassembly(1) Precautions• Be sure to turn the power switch off and disconnect the power plug before start

2GM1-6-21-6-2 Removing the process unit1. Open the front top cover.2. Open the front cover.3. Lift the process unit together with the toner container

2GM1-6-31-6-3 Removing the principal outer covers(1) Removing the front top cover/face-down output tray1. Remove the screw and then remove the memory

2GM1-6-4(2) Removing the right cover1. Remove the front top cover/face-down output tray (see page1-6-3).2. Remove the memory cover (see page 1-6-3).3.

2GM1-6-51-6-4 Removing the feed rollerCAUTIONWhen refit the feed roller, fit the D-cut shaft into the D-shape hole of the feed roller.1. Remove the ca

2GM1-6-61-6-5 Removing the MP feed roller1. Remove the engine PWB (see page 1-6-9).2. Remove the screw.3. Remove the grounding plate.4. Remove the sto