_______________________________ UTAX CD 1015 / 1020 Service Manual
1-1-42AV/X1-7 Requirements on PCB Replacement1-7-1 Replacing the main PCB ...
1-4-522AV/XDescriptionMaintenanceitem No.1-4U998 Outptting the memory listDescriptionOutputs the list of memory.PurposeTo output the list as required.
2AV/X1-4-531-4GeneralInitializationDrive, paperfeed, paperconveying andcooling systemOpticalU000 Outputting an own-status report —U001 Exiting the mai
SectionItemMaintenance item contentsInitialNo. setting*2AV/X1-4-541-4High voltageDevelopingFixing andcleaningOperationpanel andsupportequipmentMode se
2AV/X1-4-551-4SectionItemMaintenance item contentsInitialNo. setting*U402 Adjusting margins of image printing —U403 Adjusting margins for scanning an
2AV/X1-4-561-4(5) Contents of maintenance mode items (for 15 cpm copier)MaintenanceDescriptionitem No.U000 Outputting an own-status reportDescriptionO
2AV/X1-4-571-4MaintenanceDescriptionitem No.U005 Copying without paperDescriptionSimulates the copy operation without paper feed.PurposeTo check the o
MaintenanceDescriptionitem No.2AV/X1-4-581-4U021 Initializing memoriesDescriptionInitializes the setting data other than that for adjustments due to v
2AV/X1-4-591-4MaintenanceDescriptionitem No.U031 Checking switches for paper conveyingDescriptionDisplays the on-off status of each paper detection sw
MaintenanceDescriptionitem No.2AV/X1-4-601-4U033 Checking solenoid operationDescriptionTurns each solenoid on.PurposeTo check the operation of each so
2AV/X1-4-611-4MaintenanceDescriptionitem No.U053 Performing fine adjustment of the motor speedDescriptionPerforms fine adjustment of the speeds of the
1-12AV/X1-1-11-1-1 Specifications15 cpm copierType ... DesktopCopying system...
MaintenanceDescriptionitem No.2AV/X1-4-621-4U060 Adjusting the scanner input propertiesDescriptionAdjusts the image scanning density.PurposeUsed when
2AV/X1-4-631-4MaintenanceDescriptionitem No.U065 Adjusting the scanner magnificationAdjustmentSee pages 1-6-32 and 34.U066 Adjusting the leading edge
MaintenanceDescriptionitem No.2AV/X1-4-641-4U071 Adjusting the DF scanning timingDescriptionAdjusts the DF original scanning timing.PurposeTo be execu
2AV/X1-4-651-4MaintenanceDescriptionitem No.U072 Adjusting the DF center lineDescriptionAdjusts the scanning start position for the DF original.Purpos
MaintenanceDescriptionitem No.2AV/X1-4-661-4U073 Checking scanner operationDescriptionSimulates the scanner operation under arbitrary conditions.Purpo
2AV/X1-4-671-4MaintenanceDescriptionitem No.U075 Setting the original size detectionDescriptionSets whether or not to detect the original size automat
MaintenanceDescriptionitem No.2AV/X1-4-681-4U087 Turning the DF scanning position adjust mode on/offDescriptionTurns on or off the DF scanning positio
2AV/X1-4-691-4MaintenanceDescriptionitem No.U088 Setting the input filter (moiré reduction mode)DescriptionTurns moiré reduction mode on and off by sw
MaintenanceDescriptionitem No.2AV/X1-4-701-43. Press the start key. Scanning is performed under the selected conditions and the result is displayed.4.
2AV/X1-4-711-4MaintenanceDescriptionitem No.U092 Adjusting the scanner automaticallyDescriptionMakes auto scanner adjustments in the order below using
2AV/X1-1-21-1Transfer system ... Transfer rollerFixing system ... Heat rollerHeat source: halo
MaintenanceDescriptionitem No.2AV/X1-4-721-4U093 Setting the exposure density gradientDescriptionChanges the exposure density gradient in manual densi
2AV/X1-4-731-4MaintenanceDescriptionitem No.U093(cont.)Setting1. Select the item to be adjusted by lighting a copy exposure indicator using the copy e
MaintenanceDescriptionitem No.2AV/X1-4-741-4U099 Checking the original size detectionDescriptionDisplays the original width detection data and sets th
2AV/X1-4-751-4MaintenanceDescriptionitem No.U099(cont.)Method to set or check the original size detection threshold1. Place an original on the contact
MaintenanceDescriptionitem No.2AV/X1-4-761-4U100 Setting the surface potentialDescriptionChanges the surface potential by changing the grid control vo
2AV/X1-4-771-4MaintenanceDescriptionitem No.U101 Setting high voltagesDescriptionChanges the developing bias voltage and transfer voltage by changing
MaintenanceDescriptionitem No.2AV/X1-4-781-4U109 Setting the drum typeDescriptionSets the type of the drum installed in the copier.PurposeTo prevent v
2AV/X1-4-791-4MaintenanceDescriptionitem No.U111 Checking/clearing the drum drive timeDescriptionDisplays the drum drive time for checking, clearing o
MaintenanceDescriptionitem No.2AV/X1-4-801-4U131 Setting the toner sensor control voltageDescriptionDisplays or changes the toner sensor control volta
2AV/X1-4-811-4MaintenanceDescriptionitem No.U155 Displaying the toner sensor outputDescriptionDisplays the toner sensor output value, and related data
1-12AV/X1-1-320 cpm copierType ... DesktopCopying system... Indirect electrosta
MaintenanceDescriptionitem No.2AV/X1-4-821-4U157 Checking/clearing the developing drive timeDescriptionDisplays the developing drive time for checking
2AV/X1-4-831-4MaintenanceDescriptionitem No.U161 Setting the fixing control temperatureDescriptionChanges the fixing control temperature.PurposeNormal
MaintenanceDescriptionitem No.2AV/X1-4-841-4U196 Turning the fixing heater onDescriptionTurns the fixing heater on.PurposeTo check fixing heater.Metho
2AV/X1-4-851-4MaintenanceDescriptionitem No.U204 Setting the presence or absence of a key card or key counterDescriptionSets the presence or absence o
MaintenanceDescriptionitem No.2AV/X1-4-861-4U244 Checking the DF switchesDescriptionDisplays the status of the switches in the optional DF.PurposeTo c
2AV/X1-4-871-4MaintenanceDescriptionitem No.U251 Checking/clearing the maintenance countDescriptionDisplays, clears and changes the maintenance count.
MaintenanceDescriptionitem No.2AV/X1-4-881-4U253 Switching between double and single countsDescriptionSwitches the count system for the total counter
2AV/X1-4-891-4MaintenanceDescriptionitem No.U255 Setting auto clear timeDescriptionSets the time to return to initial settings after copying is comple
MaintenanceDescriptionitem No.2AV/X1-4-901-4U258 Switching copy operation at toner empty detectionDescriptionSelects if continuous copying is enabled
2AV/X1-4-911-4MaintenanceDescriptionitem No.U260 Changing the copy count timingDescriptionChanges the copy count timing for the total counter and othe
2AV/X1-1-41-1Cleaning system... Cleaning bladeScanning system ... Flat bed scanning by CCD image se
MaintenanceDescriptionitem No.2AV/X1-4-921-4PhotoTextText & PhotoAuto ExposurePhotoTextText & PhotoAuto ExposureU332 Setting the size conversi
2AV/X1-4-931-4MaintenanceDescriptionitem No.U342 Setting the ejection restrictionDescriptionSets or cancels the restriction on the number of sheets to
MaintenanceDescriptionitem No.2AV/X1-4-941-4U344 Setting preheat/energy saver modeDescriptionChanges the control for preheat/energy saver mode.Purpose
2AV/X1-4-951-4MaintenanceDescriptionitem No.U348 Setting the copy density adjustment rangeDescriptionSelects the adjustment range for copy density fro
MaintenanceDescriptionitem No.2AV/X1-4-961-4DF leading edge margin (3 ± 2.5 mm)DF left margin (2.5 +1.5 mm)DF right margin (2.5 +1.5 mm)Ejection direc
2AV/X1-4-971-4MaintenanceDescriptionitem No.U901 Checking/clearing copy counts by paper feed locationsDescriptionDisplays or clears copy counts by pap
MaintenanceDescriptionitem No.2AV/X1-4-981-4U903 Checking/clearing the paper jam countsDescriptionDisplays or clears the jam counts by jam locations.P
2AV/X1-4-991-4MaintenanceDescriptionitem No.U905 Checking/clearing counts by optional devicesDescriptionDisplays or clears the counts of the optional
MaintenanceDescriptionitem No.2AV/X1-4-1001-4U910 Clearing the black ratio dataDescriptionClears the accumulated black ratio data for A4/11" × 81
2AV/X1-4-1011-4MaintenanceDescriptionitem No.U990 Checking/clearing the time for the exposure lamp to lightDescriptionDisplays or clears the accumulat
1-12AV/X1-1-51-1-2 Parts names and their functions(1) CopierFigure 1-1-11234567890!@#$%^&*()⁄¤‹‹›1 Original cover (optional)*12 Operation panel3 P
MaintenanceDescriptionitem No.2AV/X1-4-1021-4U993 Outputting a VTC-PG patternDescriptionSelects and outputs a VTC-PG pattern created in the copier.Pur
2AV/X1-4-1031-4MaintenanceDescriptionitem No.U998 Outputting the memory listDescriptionOutputs the list of memory.PurposeTo output the list as require
2AV/X1-5-11-51-5-1 Paper misfeed detection(1) Paper misfeed indicationWhen a paper misfeed occurs, the copier immediately stops copying and displays t
2AV/X1-5-21-5Jam code Contents See pape1011121314151620212230405051516061707172737374757680818283P.1-5-4P.1-5-4P.1-5-4P.1-5-4P.1-5-4P.1-5-5P.1-5-5P.1-
2AV/X1-5-31-5(2) Paper misfeed detection conditionsDFSWRSWESWDFSW (ST) 1Figure 1-5-3
2AV/X1-5-41-51. Jam at power-on• One or more of the switches in the paper feed conveying system is on when the main switch is turned on (jam code 00).
2AV/X1-5-51-5• Misfeed in copier vertical paper conveying section (jam code 15)The registration switch (RSW) does not turn on within 3200 ms of the dr
2AV/X1-5-61-5Drawer feed switch (ST) 1*2 (DFSW (ST) 1) does not turn off within the time required to convey the length of the used papersize plus 2000
2AV/X1-5-71-55. Eject section• Misfeed in eject sectionThe eject switch (ESW) does not turn off within 2475 ms of the registration switch (RSW) turnin
2AV/X1-5-81-5Problem Causes/check procedures Corrective measures(3) Paper misfeeds(1)A paper jam in thepaper feed,conveying, fixing oreject section is
2AV/X1-1-61-1(2) Operation panel15 cpm copierMetricInchFigure 1-1-2Á‰°‡ fi fl * & ^$% $#!0 9 3 2 1´ˇ„‚›Œ·‹ ¤ )( % @ 8 7 654⁄Á‰°‡fifl*&^%$#!09321$´
2AV/X1-5-9Problem Causes/check procedures Corrective measures1-5*1: Standard for 20 cpm copier/optional for 15 cpm copier. *2: Optional for both 20 c
2AV/X1-5-10Problem Causes/check procedures Corrective measures1-5*1: Standard for 20 cpm copier/optional for 15 cpm copier. *2: Optional for both 20
2AV/X1-5-11Problem Causes/check procedures Corrective measures1-5*1: Standard for 20 cpm copier/optional for 15 cpm copier. *2: Optional for both 20
2AV/X1-5-121-51-5-2 Self-diagnosis(1) Self-diagnostic functionThis unit is equipped with a self-diagnostic function. When a problem is detected, copy
2AV/X1-5-13Code ContentsRemarksCauses Check procedures/corrective measures1-5C100C104C200C310C400Exposure lamp problem• Check the CCD input value for
2AV/X1-5-14Code ContentsRemarksCauses Check procedures/corrective measures1-5Polygon motor steady-state problem• The polygon motor rotation is notstab
2AV/X1-5-15Code ContentsRemarksCauses Check procedures/corrective measures1-5C620C630C710C730Abnormally low fixing unitthermistor temperature• The fix
2AV/X1-5-16Code ContentsRemarksCauses Check procedures/corrective measures1-5*: Optional **: Optional for the 15 cpm copier only.C731C740C81
2AV/X1-5-171-51-5-3 Image formation problems(20)Image contrast is low(carrier scattering).See page 1-5-24(1) No image appears(entirely white).See page
2AV/X1-5-181-5(1) No image appears(entirely white).Causes1. No transfer charging.Causes Check procedures/corrective measures1. No transfer charging.A.
1-12AV/X1-1-720 cpm copierMetric2347#$%*⁄‹(¤›fl‡fi ) ^& @ ! 0 9 8 6 5 1Inch2347#$%*⁄‹(¤›fl‡fi ) ^& @ ! 0 9 8 6 5 1Figure 1-1-31 Start key (Indicat
2AV/X1-5-191-5Causes Check procedures/corrective measures1. Dirty or flawed main charger wire.2. Foreign matter in the developing section.3. Flawed dr
2AV/X1-5-201-5Causes Check procedures/corrective measures1. Dirty contact glass.2. Dirty or flawed drum.3. Deformed or worn cleaning blade.4. Dirty sc
2AV/X1-5-211-5(11)The leading edge ofthe image is consist-ently misaligned withthe original.Causes1. Misadjusted leading edge registration.2. Misadjus
2AV/X1-5-221-5(12)The leading edge ofthe image is sporadi-cally misaligned withthe original.Causes1. Registration clutch, bypass paper feed clutchor p
2AV/X1-5-231-5Causes Check procedures/corrective measures1. Misadjusted center line of image printing. Readjust the center line of image printing (see
2AV/X1-5-241-5(19)Image is notsquare.Causes1. Laser scanner unit positioned incorrectly.2. Image scanning unit positioned incorrectly.Causes Check pro
2AV/X1-5-251-5*1: Optional for 15 cpm copier. *2: For 20 cpm copier only. *3: Optional for 220-240 V specifications of 15 cpm copier.*4: Optiona
2AV/X1-5-26Problem Causes Check procedures/corrective measures1-5*1: Optional for 15 cpm copier. *2: For 20 cpm copier only. *3: Optional for 22
2AV/X1-5-27Problem Causes Check procedures/corrective measures1-5*1: Optional for 15 cpm copier. *2: For 20 cpm copier only. *3: Optional for 22
2AV/X1-5-28Problem Causes Check procedures/corrective measures1-5*1: Optional for 15 cpm copier. *2: For 20 cpm copier only. *3: Optional for 22
2AV/X1-1-81-11-1-3 Machine cross section15867243Light pathPaper pathFigure 1-1-4 Machine cross section1 Paper feed section2 Main charging section3 Opt
2AV/X1-5-29Problem Causes Check procedures/corrective measures1-5*1: Optional for 15 cpm copier. *2: For 20 cpm copier only. *3: Optional for 22
2AV/X1-5-301-5Problem Causes/check procedures Corrective measures1-5-5 Mechanical problems(1)No primary paper feed.(2)No secondary paperfeed.(3)Skewed
2AV/X1-6-11-61-6-1 Precautions for assembly and disassembly(1) Precautions• Be sure to turn the main switch off and disconnect the power plug before s
2AV/X1-6-21-6(2) Running a maintenance itemEnter “10871087” using the numeric keys.Enter “001” using the cursor up/down keys (20 cpm), the zoom +/– ke
2AV/X1-6-31-61-6-2 Paper feed section(1) Detaching and refitting the upper and lower paper feed pulleysFollow the procedure below to replace the paper
2AV/X1-6-41-66. Open the front cover and remove the imageformation unit (see page 1-6-40).7. Remove the stop ring from the paper feedshaft unit (machi
2AV/X1-6-51-6• Lower peper feed pulleys (optional for the 15 cpm copier)1. Open the lower drawer left cover and pull thelower drawer out.2. Remove the
2AV/X1-6-61-6(2) Detaching and refitting the bypass paper feed pulleyFollow the procedure below to replace the bypass paper feed pulley.Procedure1. Op
2AV/X1-6-71-65. Remove the rear screw of the bypass paperfeed pulley and then the pulley.Figure 1-6-126. Replace the bypass paper feed pulley andrefit
2AV/X1-6-81-6(3) Detaching and refitting the left registration cleaner assemblyFollow the procedure below to replace the left registration cleaner ass
1-12AV/X1-1-912345678As viewed from machine front1-1-4 Drive system(1) Drive system 1 (optical section)Figure 1-1-51 Scanner motor gear2 Gear 44/163 G
2AV/X1-6-91-6(5) Detaching and refitting the bypass paper width switchFollow the procedure below to replace the bypass paper width switch.Procedure1.
2AV/X1-6-101-6(6) Adjustment after roller and clutch replacementPerform the following adjustment after refitting rollers and clutches.(6-1) Adjusting
2AV/X1-6-111-6• 15 cpmYesNoStartEnter maintenance mode.Enter “034” using the numeric keys.Press the start key.Press the interrupt key.Is the leading e
2AV/X1-6-121-6(6-2) Adjusting the leading edge registration for memory image printingMake the following adjustment if there is a regular error between
2AV/X1-6-131-6(6-3) Adjusting the center line of image printingMake the following adjustment if there is a regular error between the center lines of t
2AV/X1-6-141-6• 15 cpmYesNoStartEnter maintenance mode.Enter “034” using the numeric keys.Press the start key.Press the interrupt key.Press the start
2AV/X1-6-151-6(6-4) Adjusting the margins for printingMake the following adjustment if the margins are not correct.U402U403(P. 1-6-38)U404(P. 1-4-46)C
2AV/X1-6-161-6• 15 cpmYesNoStartEnter maintenance mode.Enter “402” using the numeric keys.Press the start key.Press the start key to output a test pat
2AV/X1-6-171-6(6-5) Adjusting the amount of slack in the paperMake the following adjustment if the leading edge of the copy image is missing or varies
2AV/X1-6-181-6• 15 cpmStartEnter maintenance mode.Enter “051” using the numeric keys.YesYesNoNoPress the start key.Press the interrupt key.Press the s
CAUTIONDanger of explosion if battery is incorrectly replaced. Replace only with the same or equivalenttype recommended by the manufacturer. Dispose o
2AV/X1-1-101-1(2) Drive system 2 (drive motor drive train)Figure 1-1-6flˆ¨Á‰ˇ›‹6⁄*()¤·98@$#!%0^‚ÎÍŔ،„´7&12345fi—‡As viewed from machine rear* Opti
2AV/X1-6-191-61-6-3 Optical section(1) Detaching and refitting the exposure lampReplace the exposure lamp as follows.Procedure1. Remove the original c
2AV/X1-6-201-6(2) Detaching and refitting the scanner wiresTake the following procedure when the scanner wires are broken or to be replaced.Caution:Af
2AV/X1-6-211-6(2-2) Fitting the scanner wiresCaution:When fitting the wires, be sure to use those specified below.Machine front: P/N 2AV1219 (black)Ma
2AV/X1-6-221-64. Insert the locating ball on each of the scannerwires into the hole in the respective scannerwire drum and wind the scanner wire three
2AV/X1-6-231-68. Loop the inner ends of the scanner wires around the grooves in the pulleys at the right of the scanner unit,winding from below to abo
2AV/X1-6-241-6(3) Detaching and refitting the laser scanner unitTake the following procedure when the laser scanner unit is to be checked or replaced.
2AV/X1-6-251-65. Check or replace the laser scanner unit andrefit all the removed parts.Caution: Before fitting the new laser scannerunit, fit the LSU
2AV/X1-6-261-6Figure 1-6-39(4) Adjusting the skew and vertical shifting of the laser scanner unit(4-1) Adjusting the skew of the laser scanner unitPer
2AV/X1-6-271-6Figure 1-6-40Rifit the laser scanner unit and turn the main switch on.YesNoPress the start key and make a copy at 100% magnification.Sta
2AV/X1-6-281-6(5) Detaching and refitting the ISU (reference)Take the following procedure when the ISU is to be checked or replaced.Caution: After fit
2AV/X1-2-11-21-2-1 DrumNote the following when handling or storing the drum.• When removing the image formation unit, never expose the drum surface to
2AV/X1-6-291-6• Refitting the ISU1. Fit the ISU using the two positioning pins.2. Secure the ISU using the four screws.3. Remove the two positioning p
2AV/X1-6-301-6(6) Adjusting the position of the ISU (reference)Perform the following adjustment if the leading and trailing edges of the copy image ar
2AV/X1-6-311-6(7) Adjusting the longitudinal squareness (reference)Perform the following adjustment if the copy image is longitudinally skewed (longit
2AV/X1-6-321-6(8) Adjusting magnification of the scanner in the main scanning directionPerform the following adjustment if the magnification in the ma
2AV/X1-6-331-6• 15 cpmEnter maintenance mode.Enter “065” using the numeric keys.YesNoStartEndPress the interrupt key.Place an original and press the s
2AV/X1-6-341-6(9) Adjusting magnification of the scanner in the auxiliary scanning directionPerform the following adjustment if the magnification in t
2AV/X1-6-351-6• 15 cpmEnter maintenance mode.Enter “065” using the numeric keys.YesNoStartPress the interrupt key.Place an original and press the star
2AV/X1-6-361-6(10) Adjusting the scanner leading edge registrationPerform the following adjustment if there is regular error between the leading edges
2AV/X1-6-371-6(11)Adjusting the scanner center linePerform the following adjustment if there is a regular error between the center lines of the copy i
2AV/X1-6-381-6(12) Adjusting the margins for scanning an original on the contact glassPerform the following adjustment if the margins are not correct.
2AV/X1-2-21-2abcdhfegFigure 1-2-1b Installation dimensions• 20 cpm copiera: 675 mm/269/16"b: 873 mm/343/8"c: 555 mm/21"d: 718 mm/281/4
2AV/X1-6-391-6• 15 cpmChange the setting.Increasing the value using the zoom (+) key makes the margin wider.Decreasing the value using the zoom (–) ke
2AV/X1-6-401-61-6-4 Main charging section(1) Detaching and refitting the charger assemblyFollow the procedure below to replace the charger assembly.Pr
2AV/X1-6-411-6(2) Replacing the tungsten wire (reference)Take the following procedure when the tungsten wire is broken or to be replaced.Precautions•
2AV/X1-6-421-66. Wind the new tungsten wire six turns around one end of the charger spring and trim the end.• The width of the coiled tungsten wire an
2AV/X1-6-431-61-6-5 Drum section(1) Detaching and refitting the drumFollow the procedure below to replace the drum.Cautions:• Avoid direct sunlight or
2AV/X1-6-441-61-6-6 Developing section(1) Adjusting the position of the doctor blade (reference)Perform the following adjustment if carrier or backgr
2AV/X1-6-451-61-6-7 Transfer section(1) Detaching and refitting the transfer roller assemblyFollow the procedure below to replace the transfer roller
2AV/X1-6-461-61-6-8 Cleaning section(1) Detaching and refitting the cleaning bladeFollow the procedure below to replace the cleaning blade.Procedure1.
2AV/X1-6-471-6(2) Detaching and refitting the drum separation claw assembliesFollow the procedure to replace the drum separation claw assemblies.Proce
2AV/X1-6-481-61-6-9 Fixing section(1) Detaching and refitting the fixing unitFollow the procedure below to check or replace the fixing unit.Procedure1
1-3-12AV/X1-31-31-3-1 Unpacking and installation(1) Installation procedureUnpack.Remove the tapes.Make test copies.Remove the pins holding light sour
2AV/X1-6-491-6(2) Detaching and refitting the fixing unit thermistorFollow the procedure below to replace the fixing unit thermistor.Procedure1. Remov
2AV/X1-6-501-6(4) Detaching and refitting the fixing heaterFollow the procedure below to replace the fixing heater.Procedure1. Remove the fixing unit
2AV/X1-6-511-6(5) Detaching and refitting the heat rollerFollow the procedure below to replace the heat roller.Procedure1. Remove the fixing unit (see
2AV/X1-6-521-66. Remove the four screws holding the fixinghousing and then the housing.Figure 1-6-787. Remove the pressure spring from each of thefron
2AV/X1-6-531-6(6) Detaching and refitting the press rollerFollow the procedure below to replace the press roller.Procedure1. Remove the fixing unit (s
2AV/X1-7-11-7Upper shield coverNVRAMLED2LED1CN1Memory tool PCBGuides (15 cpm copier only)Figure 1-7-1Figure 1-7-21-7-1 Replacing the main PCBMain PCB
2AV/X1-7-21-7• - • - • -•: On for 0.25 s-: Off for 0.25 s• - • – • - • –•: On for 0.25 s-: Off for 0.25 s–: Off for 1 sOff• - • - • -•: On for 0.25 s-
2AV/X1-7-31-71-7-2 Upgrading the firmware on the main PCBFirmware upgrading requires the following tools:Flash tool assembly (P/N 35968010)Memory tool
2AV/X1-7-41-77. Insert the power plug and turn the main switch on. LED2 (green) on the flash tool assembly flashes and upgrading of themaster ROM star
2AV/X1-7-51-7Upper shield coverIC3CN2CutoutFlash tool assemblyLED2Master ROMFigure 1-7-5Figure 1-7-61-7-3 Upgrading the firmware on the operation unit
1-3-22AV/X1-3Light source unit 1 pins*The diagram shows the 20 cpm copier.*The original cover is standard for Asia and Oceania specifications for the
2AV/X1-7-61-71-7-4 Adjustment-free variable resistors (VR)The variable resistors listed below are set at the factory prior to shipping and cannot be a
2AV/X2-1-12-12-1-1 Paper feed sectionThe paper feed section consists of the primary feed and secondary feed subsections. Primary feed conveys paper fr
2AV/X2-1-22-1RCL CN4-10MPCBCN3-7CN4-14CN3-10CN4-12CN6-2CN8-3CN8-15RSWPSW-UBYPPSWPSW-L*BYPPFCLPFCL-UPFCL-L**Optional for the 15 cpm copier.Figure 2-1-2
2AV/X2-1-32-1Start keyDMRCLBYPPFCLRSW100 ms3000 ms263 ms300 msOriginal: A5R, copy paper: A3/11" × 17", magnification ratio 200%Timing chart
2AV/X2-1-42-12-1-2 Main charging sectionThe main charging section consists of the drum and main charger assembly. The drum is electrically charged by
2AV/X2-1-52-1CN4-124 V DCMPCBCN1-9MCGRIDDrumHVTPCBCN4-3MC REMCN1-7CN4-6GRID CONTCN1-4CN4-9MC ALMCN1-1Figure 2-1-5 Main charging section block diagramS
2AV/X2-1-62-12-1-3 Optical sectionThe optical section consists of the scanner, mirror frames and the image scanning unit for scanning and the lasersca
2AV/X2-1-72-1(1) Original scanningThe original image is illuminated by the exposure lamp (EL) and scanned by the CCD PCB (CCDPCB) in the imagescanning
2AV/X2-1-82-1(2) Image printingThe image data scanned by the CCD PCB (CCDPCB) is processed on the main PCB (MPCB) and transmitted as imageprinting dat
2AV/X2-1-92-1DrumFigure 2-1-9 Laser scanner unit (2)1 Laser diode: Generates the laser beam which forms a latent image on the drum.2 Collimator lens:
1-3-32AV/X1-3• 15 cpm copier12#$3!9@440)*(8^%&576Figure 1-3-2a UnpackingUnpack.1 Copier2 Outer case3 Inner frame4 Upper pads5 Bottom pads6 Bottom
2AV/X2-1-102-12-1-4 Developing sectionThe developing section consists of the developing unit and the toner cartridge.The developing unit consists of t
2AV/X2-1-112-1(1) Formation of magnetic brushThe developing roller consists of a magnet roller with five poles and a sleeve roller. Rotation of the sl
2AV/X2-1-122-1(2) Toner density detection by the toner sensorThe toner sensor (TNS) detects the toner density. As the developer passes by the sensor s
2AV/X2-1-132-1(4) Correcting the toner sensor control voltageThe toner sensor control voltage is corrected based on the absolute humidity and the tota
2AV/X2-1-142-1• Correction based on the total drive motor timeThe toner sensor control voltage is also corrected based on the total time the drive mot
2AV/X2-1-152-12-1-5 Transfer and separation sectionThe transfer and separation section consists mainly of the transfer roller and drum separation claw
2AV/X2-1-162-1Start keyDMRCLRSWTC REM418 ms474 msTiming chart 2-1-5 Operation of transfera: 418 ms after the registration clutch (RCL) turns on to sta
2AV/X2-1-172-12-1-6 Cleaning sectionThe cleaning section consists of the cleaning blade that removes residual toner from the drum surface after the tr
2AV/X2-1-182-12-1-7 Charge erasing sectionThe cleaning lamp (CL) consists of LEDs which remove residual charge from the drum surface.Cleaning lamp (CL
2AV/X2-1-192-12-1-8 Fixing sectionThe fixing section consists of the parts shown in Figure 2-1-25. When paper reaches the fixing section after the tra
1-3-42AV/X1-31 Copier2 Outer case3 Inner frame4 Upper pads5 Bottom pads6 Bottom case7 Skid8 Spacer*19 Machine cover0 Bar code labels! Hinge joint• 20
2AV/X2-1-202-1MSWFHPMDMDB REMCFM1, 2, 3MSW: ON1500 ms1000 msHalf speed Full speed Half speed30 s20 sPrimary stabilization fixing temperature 135°C/275
2AV/X2-2-12-22-2-1 Electrical parts layout(1) PCBsFigure 2-2-1 PCBs1. Main PCB (MPCB) ... Controls the other PCBs,
2AV/X2-2-22-2(2) Switches and sensorsFigure 2-2-2 Switches and sensors1. Main switch (MSW) ... Turns the AC power o
2AV/X2-2-32-216. Bypass paper width switch(BYPPSW) ... Detects the width of paper on the bypass tray.1
2AV/X2-2-42-2(3) MotorsFigure 2-2-3 Motors1. Drive motor (DM) ... Drives the machine.2. Scanner motor (SM) ...
2AV/X2-2-52-2(4) Other electrical componentsFigure 2-2-4 Other electrical components1. Upper paper feed clutch (PFCL-U) ... Primary paper f
2AV/X2-3-12-32-3-1 Power source PCB24 V DC output circuit IC2Noise filter circuit12 V DC output circuit IC35.1 V DC output circuit IC43.3 V DC output
2AV/X2-3-22-3C29CN4C42C43C32C31D9C30C91C37C34L4IC5 IC3HS3R31C15D1Q1TB4TH1C11C13CN5 CN2L2L6L1TB1 TB2Z1F3C1C2LUG3CN3HS4B2B1T1C17HS5C14PC3PC2L5 D13IC6IC7
2AV/X2-3-3Terminals (CN) Voltage Remarks2-3TB-1 TB-2 120 V AC 120 V AC supply, inputTB-1 TB-2 220-240 V AC 220-240 V AC supply, input*2TB-4 TB-5 120 V
2AV/X2-3-42-32-3-2 Main PCB• 15 cpm copierCCD PCBClock signalMain PCBS/HICADCIC2MIPIC4FEEPROMIC11CPUIC16SRAMIC15,17XIOIC19,25DriverBUFDriverOddEvenPri
1-3-52AV/X1-3 1. Remove the tape holding the front cover and thepower cord, and remove the tape binding thepower cord. 2. Remove the tape holding th
2AV/X2-3-52-3CN21CN20CN24CN22CN23CN25 116 10115821652189IC112010IC511236 2513244837IC7IC8IC9 IC10IC12IC16 30363772136377273108IC25315051IC18IC19110910
2AV/X2-3-62-3• 20 cpm copierOperation unit PCBDriverScan signalDetection signal inputLCD display dataAddress busData busAddress busData busControl sig
2AV/X2-3-72-3The main PCB (MPCB) consists of the main CPU and operation unit CPU. The main CPU IC23 communicates with otherPCBs and controls memory co
2AV/X2-3-82-3CN9 CN8 CN4 CN6CN5CN7CN342AX2801REV : 3CN28CN26IC3IC9IC16IC12IC11IC14IC22IC10IC42IC28BT1-+IC39IC40IC46IC43IC5IC15CN25IC4CN27CN23 CN22 CN2
2AV/X2-3-9Terminals (CN) Voltage Remarks2-31-2 1-1 3.3 V DC 3.3 V DC supply from PSPCB, input1-5, 6 1-3, 4 5 V DC 5 V DC supply from PSPCB, input1-9,
2AV/X2-3-10Terminals (CN) Voltage Remarks2-38-15 8-22 0/5 V DC PSW-L*2 on/off, input8-16 8-22 0/5 V DC PSW (ST) 1*3 on/off, input8-17 8-22 0/5 V DC PS
2AV/X2-3-11Terminals (CN) Voltage Remarks2-314-2B 14-4A 0/5 V DC OSLED*4 (green) on/off, output14-3B 14-4A 0/5 V DC SBPSOL*4 release signal, output14-
2AV/X2-3-12Terminals (CN) Voltage Remarks2-320-4 20-2 0/5 V DC PM READY signal, input20-5 20-2 0/5 V DC (pulse) PM drive clock pulse, output21-1 21-2
2AV/X2-3-13Terminals (CN) Voltage Remarks2-327-11 27-12 -12-0 V DC LCD Vo signal, output28-1 24-5 0/24 V DC (pulse) SM coil energization pulse, output
2AV/X2-3-142-32-3-3 CCD PCB12RSCLPSHIFTOddEvenRSCLPLogic IC1Main PCBCCD PCBClock signal generator ASICAnalog signal processing circuitCCDIC2Transistor
1-3-62AV/X1-3 7. Pull the drawer out and remove the tape holdingeach of the drawer spacers and then the spacers. 8. Remove the tape holding the fulc
2AV/X2-3-152-32-3-4 Laser diode PCBPhoto sensor PH1Laser driver IC1Laser diode PCBMain PCBLD1/ADJUST/ENABLE/VIDEO/BDDriverFigure 2-3-8 Laser diode PCB
2AV/X2-4-12-4Timing chart No. 1 From the main switch turned on to machine stabilizationMSWFHPMDMDB REMCFM1,2,3CN3-4CN3-3CN20-3,4,5CN12-16CN4-4CN11-5,8
2AV/X2-4-22-4Timing chart No. 2 Scanner initializationSMFwd. rotationOffRev. rotationCN28-1,3,4,6DM CN12-16200 P113 P410 P10774 P10364 P1078 PSMFwd. r
2-42AV/X2-4-3Timing chart No. 3 Copying an A5R/51/2" × 81/2" original onto a sheet of A3/11" × 17" copy paper from the bypass tray
2-42AV/X2-4-4Timing chart No. 4 Continuous copying of an A4/11" × 81/2" original onto two sheets of A4/11" × 81/2" copy paper from
2-42AV/X2-4-5Timing chart No. 5 Continuous copying of an A4/11" × 81/2" original onto two sheets of A4/11" × 81/2" copy paper from
2-42AV/X2-4-6Timing chart No. 6 Continuous copying of an A3/11" × 17" original onto two sheets of A5R/51/2" × 81/2" copy paper fro
2-42AV/X2-4-7Timing chart No. 7 Continuous copying of an A4R/81/2" × 11" original onto two sheets of A4R/81/2" × 11" copy paper fr
2-42AV/X2-4-8Timing chart No. 8 Continuous copying of an A4/11" × 81/2" original onto two sheets of A4/11" × 81/2" copy paper from
2-42AV/X2-4-9Timing chart No. 9 Continuous copying of an A4/11" × 81/2" original onto two sheets of A4R/81/2" × 11" copy paper fro
1-3-72AV/X1-3Figure 1-3-8 1. Remove the two pins for light source unit 1 andthe pin for light source unit 2. 1. Install the optional devices (STDF, SR
2-42AV/X2-4-10Timing chart No. 10 Duplex copying of a single-sided A4R/81/2" × 11" original onto a duplex A4R/81/2" × 11" copy fro
2AV/X2-4-112-4Maintenance parts listMaintenance part namePart No. Fig. No. Ref. No.Name used in service manual Name used in parts listRight registrati
2AV/X2-4-122-4Periodic maintenance proceduresMaintenanceSectionpart/locationMethod Maintenance cycle Points and cautions PageTest copy and Perform at
2AV/X2-4-132-4MaintenanceSectionpart/locationMethod Maintenance cycle Points and cautions PageOptical section Original size detection Clean Every serv
2AV/X2-4-142-4MaintenanceSectionpart/locationMethod Maintenance cycle Points and cautions PageFixing/Eject Heat roller Clean or replace Clean after 10
indicates that action is required. The specific action required is shown inside the symbol.General action required.Remove the power plug from the wal
1-3-82AV/X1-3 1. Remove the developing unit upper cover bypushing and lifting it in the direction of the arrowin the diagram.Caution: Be sure to plac
1-3-92AV/X1-3 2. Check that the cleaning shaft is inserted as far asit will go. 3. Refit the image formation unit using the twoscrews. 4. Connect t
1-3-102AV/X1-3 1. Connect the power cord to the connector on the copier. 2. Insert the power plug into the wall outlet. 1. Turn the main switch on
1-3-112AV/X1-3Install a toner cartridge. 1. Open the front cover. 2. Shift the toner cartridge release lever to the rightuntil it stops. 3. Tap the
1-3-122AV/X1-3 1. Place an original and make test copies.Check if the center lines of the bypass tray anddrawer are correct. If not, adjust the cente
2AV/X1-3-131-3ContentsFactory settingMetric InchMaintenance itemNo.U253 Switching between double and single counts Double count Double countU254 Turni
2AV/X1-3-141-3• Executing a department management item • Executing a default setting itemPress both of the copy exposure adjustment keys and numeric k
2AV/X1-3-151-3(3) Copy defaultUser status reportPrints the details of the default settings.1. Select “F01” and press the enter key.If A4/11" × 81
2AV/X1-3-161-3Default drawerSets the drawer to be selected in cases such asafter the reset key is pressed.1. Select “F10” and press the enter key.2. S
2AV/X1-3-171-3Silent modeSelects whether or not to enter silent mode aftercopying.1. Select “F22” and press the enter key.2. Select “on” or “off” and
1. Installation PrecautionsWARNING• Do not use a power supply with a voltage other than that specified. Avoid multiple connections toone outlet: they
2AV/X1-3-181-3Select “Management” and press the enter key.Enter the management code.Press the */language key.Execute department manage-ment items (pag
2AV/X1-3-191-3Clearing copy counts1. Select “Management Setting” (“COPY MGMTSETTING”) and press the enter key.2. Select “Count delete” (“COUNTS CLEAR”
2AV/X1-3-201-3Photo original densityAdjusts the exposure to be used when photooriginal is selected for the image mode.1. Select “Photo original densit
2AV/X1-3-211-3APS for special paperSets whether to use the paper source with thespecial paper for auto paper selection and autodrawer switching.1. Sel
2AV/X1-3-221-31-3-4 Installing the key counter (option)Key counter installation requires the following parts:Key counter set (P/N 2A369702)Contents of
2AV/X1-3-231-38. Refit the right cover.9. Pass the 4-pin connector of the key counterthrough the aperture in the key counter coverretainer, and insert
2AV/X1-3-241-31-3-5 Installing the original size detection sensor (option for the metric specifications ofthe 15 cpm copier only)Original size detecti
1-3-252AV/X1-31-3Figure 1-3-25Figure 1-3-261-3-6 Installing the drawer heater (option)Drawer heater installation requires the following parts:For 120
1-3-262AV/X1-3Figure 1-3-27Figure 1-3-28 7. Insert one of the 2-pin receptacles on the heater wireinto the opening in the frame and connect the other
1-4-12AV/X1-41-4-1 Maintenance modeThe copier is equipped with a maintenance function which can be used to maintain and service the machine.(1) Execu
• 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
1-4-22AV/X1-4(2) Maintenance mode item list (for 20 cpm copier)SectionItemMaintenance item contentsInitialNo. setting*U000 Outputting an own-status re
1-4-32AV/X1-4SectionItemMaintenance item contentsInitialNo. setting*U111 Checking/clearing the drum drive timeU130 Initial setting for the developerU1
1-4-42AV/X1-4SectionItemMaintenance item contentsInitialNo. setting*U404 Adjusting margins for scanning an original from the DFU407 Adjusting the lead
1-4-52AV/XDescriptionMaintenanceitem No.1-4U000 Outputting an own-status reportDescriptionOutputs lists of the current settings of the maintenance ite
1-4-62AV/XDescriptionMaintenanceitem No.1-4U003 Setting the service telephone numberDescriptionSets the telephone number to be displayed when a servic
1-4-72AV/XDescriptionMaintenanceitem No.1-4U005 Copying without paperDescriptionSimulates the copy operation without paper feed.PurposeTo check the ov
1-4-82AV/XDescriptionMaintenanceitem No.1-4U020 Initializing all dataDescriptionInitializes all the backup RAM on the main PCB to return to the origin
1-4-92AV/XDescriptionMaintenanceitem No.1-4U030 Checking motor operationDescriptionDrives each motor.PurposeTo check the operation of each motor.Metho
1-4-102AV/XDescriptionMaintenanceitem No.1-4U032 Checking clutch operationDescriptionTurns each clutch on.PurposeTo check the operation of each clutch
1-4-112AV/XDescriptionMaintenanceitem No.1-4U035 Setting folio sizeDescriptionChanges the image area for copying onto folio size paper.PurposeTo preve
• Do not pull on the AC power cord or connector wires on high-voltage components when removingthem; always hold the plug itself. ...
1-4-122AV/XDescriptionMaintenanceitem No.1-4Interrupt copy modeWhile this maintenance item is being performed, a VTC pattern shown below is output in
1-4-132AV/XDescriptionMaintenanceitem No.1-4U061 Turning the exposure lamp onDescriptionTurns the exposure lamp on.PurposeTo check the exposure lamp.M
1-4-142AV/XDescriptionMaintenanceitem No.1-4U070 Adjusting the DF magnificationDescriptionAdjusts the DF original scanning speed.PurposeTo be executed
1-4-152AV/XDescriptionMaintenanceitem No.1-4Adjustment 1. In interrupt copy mode, make a copy using the DF. 2. Check the copy image and adjust the reg
1-4-162AV/XDescriptionMaintenanceitem No.1-4Adjustment 1. In interrupt copy mode, make a copy using the DF. 2. Check the copy image and adjust the cen
1-4-172AV/XDescriptionMaintenanceitem No.1-4U074 Adjusting the DF input light luminosityDescriptionAdjusts the luminosity of the exposure lamp for sca
1-4-182AV/XDescriptionMaintenanceitem No.1-4Setting the reference data for identifying dustAvailable only when the mode is turned on. 1. Select the it
1-4-192AV/XDescriptionMaintenanceitem No.1-4U091 Checking shadingDescriptionPerforms scanning under the same conditions as before and after shading is
1-4-202AV/XDescriptionMaintenanceitem No.1-4U092 Adjusting the scanner automaticallyDescriptionMakes auto scanner adjustments in the order below using
1-4-212AV/XDescriptionMaintenanceitem No.1-4U093 Setting the exposure density gradientDescriptionChanges the exposure density gradient in manual densi
1-1-12AV/XCONTENTS1-1 Specifications1-1-1 Specifications ...
1-4-222AV/XDescriptionMaintenanceitem No.1-4U099 Checking the original size detectionDescriptionDisplays the original width detection data and sets th
1-4-232AV/XDescriptionMaintenanceitem No.1-4U100 Setting the surface potentialDescriptionChanges the surface potential by changing the grid control vo
1-4-242AV/XDescriptionMaintenanceitem No.1-4U101 Setting high voltagesDescriptionChanges the developing bias voltage and transfer voltage by changing
1-4-252AV/XDescriptionMaintenanceitem No.1-4U109 Setting the drum typeDescriptionSets or checks the drum type.PurposeTo prevent variations in halftone
1-4-262AV/XDescriptionMaintenanceitem No.1-4U130 Initial setting for the developerDescriptionAutomatically sets the toner sensor control voltage and t
1-4-272AV/XDescriptionMaintenanceitem No.1-4U132 Replenishing toner forciblyDescriptionReplenishes toner forcibly until the toner sensor output value
1-4-282AV/XDescriptionMaintenanceitem No.1-4U156 Changing the toner control levelDescriptionChanges the toner feed start level set in maintenance item
1-4-292AV/XDescriptionMaintenanceitem No.1-4U158 Checking/clearing the developing countDescriptionDisplays the developing count for checking, clearing
1-4-302AV/XDescriptionMaintenanceitem No.1-4U162 Stabilizing fixing forciblyDescriptionStops the stabilization fixing drive forcibly, regardless of fi
1-4-312AV/XDescriptionMaintenanceitem No.1-4U200 Turning all LEDs onDescriptionTurns all the LEDs on the operation panel on.PurposeTo check if all the
1-1-22AV/X(6) A black line appears longitudinally. ... 1-5
1-4-322AV/XDescriptionMaintenanceitem No.1-4U207 Checking the operation panel keysDescriptionChecks operation of the operation panel keys.PurposeTo ch
1-4-332AV/XDescriptionMaintenanceitem No.1-4CompletionPress the stop/clear key at the screen for selectiong an item. The screen for selectiong a maint
1-4-342AV/XDescriptionMaintenanceitem No.1-4U243 Checking the operation of the DF motors, solenoids and clutchDescriptionTurns the motors, solenoids o
1-4-352AV/XDescriptionMaintenanceitem No.1-4For example, if any value between 105 and 139 is displayed when the original insertion guides areadjusted
1-4-362AV/XDescriptionMaintenanceitem No.1-4U244 Checking the DF switches (when installing the optional STDF)DescriptionDisplays the status of the res
1-4-372AV/XDescriptionMaintenanceitem No.1-4U250 Setting the maintenance cycleDescriptionDisplays and changes the maintenance cycle.PurposeTo check an
1-4-382AV/XDescriptionMaintenanceitem No.1-4U252 Setting the destinationDescriptionSwitches the operations and screens of the machine according to the
1-4-392AV/XDescriptionMaintenanceitem No.1-4U254 Turning auto start function on/offDescriptionSelects if the auto start function is turned on.PurposeN
1-4-402AV/XDescriptionMaintenanceitem No.1-4U256 Turning auto preheat/energy saver function on/offDescriptionSelects if the auto preheat/energy saver
1-4-412AV/XDescriptionMaintenanceitem No.1-4U260 Changing the copy count timingDescriptionChanges the copy count timing for the total counter and othe
1-1-32AV/X(4) The scanner does not travel. ... 1
1-4-422AV/XDescriptionMaintenanceitem No.1-4U330 Setting the number of sheets to enter stacking mode during sort operationDescriptionWhen sort copying
1-4-432AV/XDescriptionMaintenanceitem No.1-4U342 Setting the ejection restrictionDescriptionSets or cancels the restriction on the number of sheets to
1-4-442AV/XDescriptionMaintenanceitem No.1-4U344 Setting preheat/energy saver modeDescriptionChanges the control for preheat/energy saver mode.Purpose
1-4-452AV/XDescriptionMaintenanceitem No.1-4U348 Setting the copy density adjustment rangeDescriptionSelects the adjustment range for copy density fro
1-4-462AV/XDescriptionMaintenanceitem No.1-4U404 Adjusting margins for scanning an original from the DFDescriptionAdjusts margins for scanning the ori
1-4-472AV/XDescriptionMaintenanceitem No.1-4U407 Adjusting the leading edge registration for memory image printingAdjustmentSee page 1-6-12.U901 Check
1-4-482AV/XDescriptionMaintenanceitem No.1-4U904 Checking/clearing the service call countsDescriptionDisplays or clears the service call code counts b
1-4-492AV/XDescriptionMaintenanceitem No.1-4U906 Resetting partial operation controlDescriptionResets the service call code for partial operation cont
1-4-502AV/XDescriptionMaintenanceitem No.1-4U914 Switching between fax and copier modesDescriptionSelects whether the fax or copier mode is given prio
1-4-512AV/XDescriptionMaintenanceitem No.1-4U992 Checking or clearing the printer/fax countDescriptionDisplays, clears or changes the print count of t
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