Utax CD 1015 Service Manual

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Summary of Contents

Page 1 - UTAX CD 1015 / 1020

_______________________________ UTAX CD 1015 / 1020 Service Manual

Page 2 - Double-pole/neutral fusing

1-1-42AV/X1-7 Requirements on PCB Replacement1-7-1 Replacing the main PCB ...

Page 3

1-4-522AV/XDescriptionMaintenanceitem No.1-4U998 Outptting the memory listDescriptionOutputs the list of memory.PurposeTo output the list as required.

Page 4 - 1. Installation Precautions

2AV/X1-4-531-4GeneralInitializationDrive, paperfeed, paperconveying andcooling systemOpticalU000 Outputting an own-status report —U001 Exiting the mai

Page 5

SectionItemMaintenance item contentsInitialNo. setting*2AV/X1-4-541-4High voltageDevelopingFixing andcleaningOperationpanel andsupportequipmentMode se

Page 6 - 3. Miscellaneous

2AV/X1-4-551-4SectionItemMaintenance item contentsInitialNo. setting*U402 Adjusting margins of image printing —U403 Adjusting margins for scanning an

Page 7 - CONTENTS

2AV/X1-4-561-4(5) Contents of maintenance mode items (for 15 cpm copier)MaintenanceDescriptionitem No.U000 Outputting an own-status reportDescriptionO

Page 8

2AV/X1-4-571-4MaintenanceDescriptionitem No.U005 Copying without paperDescriptionSimulates the copy operation without paper feed.PurposeTo check the o

Page 9 - 1-6 Assembly and Disassembly

MaintenanceDescriptionitem No.2AV/X1-4-581-4U021 Initializing memoriesDescriptionInitializes the setting data other than that for adjustments due to v

Page 10 - 2-4 Appendixes

2AV/X1-4-591-4MaintenanceDescriptionitem No.U031 Checking switches for paper conveyingDescriptionDisplays the on-off status of each paper detection sw

Page 11 - 1-1-1 Specifications

MaintenanceDescriptionitem No.2AV/X1-4-601-4U033 Checking solenoid operationDescriptionTurns each solenoid on.PurposeTo check the operation of each so

Page 12

2AV/X1-4-611-4MaintenanceDescriptionitem No.U053 Performing fine adjustment of the motor speedDescriptionPerforms fine adjustment of the speeds of the

Page 13

1-12AV/X1-1-11-1-1 Specifications15 cpm copierType ... DesktopCopying system...

Page 14

MaintenanceDescriptionitem No.2AV/X1-4-621-4U060 Adjusting the scanner input propertiesDescriptionAdjusts the image scanning density.PurposeUsed when

Page 15

2AV/X1-4-631-4MaintenanceDescriptionitem No.U065 Adjusting the scanner magnificationAdjustmentSee pages 1-6-32 and 34.U066 Adjusting the leading edge

Page 16

MaintenanceDescriptionitem No.2AV/X1-4-641-4U071 Adjusting the DF scanning timingDescriptionAdjusts the DF original scanning timing.PurposeTo be execu

Page 17 - ‡fi ) ^& @ ! 0 9 8 6 5 1

2AV/X1-4-651-4MaintenanceDescriptionitem No.U072 Adjusting the DF center lineDescriptionAdjusts the scanning start position for the DF original.Purpos

Page 18 - Paper path

MaintenanceDescriptionitem No.2AV/X1-4-661-4U073 Checking scanner operationDescriptionSimulates the scanner operation under arbitrary conditions.Purpo

Page 19 - 1-1-4 Drive system

2AV/X1-4-671-4MaintenanceDescriptionitem No.U075 Setting the original size detectionDescriptionSets whether or not to detect the original size automat

Page 20 - As viewed from machine rear

MaintenanceDescriptionitem No.2AV/X1-4-681-4U087 Turning the DF scanning position adjust mode on/offDescriptionTurns on or off the DF scanning positio

Page 21 - 1-2-2 Developer and toner

2AV/X1-4-691-4MaintenanceDescriptionitem No.U088 Setting the input filter (moiré reduction mode)DescriptionTurns moiré reduction mode on and off by sw

Page 22

MaintenanceDescriptionitem No.2AV/X1-4-701-43. Press the start key. Scanning is performed under the selected conditions and the result is displayed.4.

Page 23 - (1) Installation procedure

2AV/X1-4-711-4MaintenanceDescriptionitem No.U092 Adjusting the scanner automaticallyDescriptionMakes auto scanner adjustments in the order below using

Page 24 - Light source unit 2 pin

2AV/X1-1-21-1Transfer system ... Transfer rollerFixing system ... Heat rollerHeat source: halo

Page 25

MaintenanceDescriptionitem No.2AV/X1-4-721-4U093 Setting the exposure density gradientDescriptionChanges the exposure density gradient in manual densi

Page 26

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

Page 27 - Original detection switch

MaintenanceDescriptionitem No.2AV/X1-4-741-4U099 Checking the original size detectionDescriptionDisplays the original width detection data and sets th

Page 28 - Fulcrum of the drawer lift

2AV/X1-4-751-4MaintenanceDescriptionitem No.U099(cont.)Method to set or check the original size detection threshold1. Place an original on the contact

Page 29

MaintenanceDescriptionitem No.2AV/X1-4-761-4U100 Setting the surface potentialDescriptionChanges the surface potential by changing the grid control vo

Page 30 - Developing unit

2AV/X1-4-771-4MaintenanceDescriptionitem No.U101 Setting high voltagesDescriptionChanges the developing bias voltage and transfer voltage by changing

Page 31 - Waste toner tank

MaintenanceDescriptionitem No.2AV/X1-4-781-4U109 Setting the drum typeDescriptionSets the type of the drum installed in the copier.PurposeTo prevent v

Page 32

2AV/X1-4-791-4MaintenanceDescriptionitem No.U111 Checking/clearing the drum drive timeDescriptionDisplays the drum drive time for checking, clearing o

Page 33 - Toner cartridge release lever

MaintenanceDescriptionitem No.2AV/X1-4-801-4U131 Setting the toner sensor control voltageDescriptionDisplays or changes the toner sensor control volta

Page 34

2AV/X1-4-811-4MaintenanceDescriptionitem No.U155 Displaying the toner sensor outputDescriptionDisplays the toner sensor output value, and related data

Page 35

1-12AV/X1-1-320 cpm copierType ... DesktopCopying system... Indirect electrosta

Page 36 - 1-3-3 Copier management

MaintenanceDescriptionitem No.2AV/X1-4-821-4U157 Checking/clearing the developing drive timeDescriptionDisplays the developing drive time for checking

Page 37

2AV/X1-4-831-4MaintenanceDescriptionitem No.U161 Setting the fixing control temperatureDescriptionChanges the fixing control temperature.PurposeNormal

Page 38

MaintenanceDescriptionitem No.2AV/X1-4-841-4U196 Turning the fixing heater onDescriptionTurns the fixing heater on.PurposeTo check fixing heater.Metho

Page 39

2AV/X1-4-851-4MaintenanceDescriptionitem No.U204 Setting the presence or absence of a key card or key counterDescriptionSets the presence or absence o

Page 40

MaintenanceDescriptionitem No.2AV/X1-4-861-4U244 Checking the DF switchesDescriptionDisplays the status of the switches in the optional DF.PurposeTo c

Page 41

2AV/X1-4-871-4MaintenanceDescriptionitem No.U251 Checking/clearing the maintenance countDescriptionDisplays, clears and changes the maintenance count.

Page 42

MaintenanceDescriptionitem No.2AV/X1-4-881-4U253 Switching between double and single countsDescriptionSwitches the count system for the total counter

Page 43

2AV/X1-4-891-4MaintenanceDescriptionitem No.U255 Setting auto clear timeDescriptionSets the time to return to initial settings after copying is comple

Page 44

MaintenanceDescriptionitem No.2AV/X1-4-901-4U258 Switching copy operation at toner empty detectionDescriptionSelects if continuous copying is enabled

Page 45

2AV/X1-4-911-4MaintenanceDescriptionitem No.U260 Changing the copy count timingDescriptionChanges the copy count timing for the total counter and othe

Page 46

2AV/X1-1-41-1Cleaning system... Cleaning bladeScanning system ... Flat bed scanning by CCD image se

Page 47 - High temperature

MaintenanceDescriptionitem No.2AV/X1-4-921-4PhotoTextText & PhotoAuto ExposurePhotoTextText & PhotoAuto ExposureU332 Setting the size conversi

Page 48 - 2-pin receptacle

2AV/X1-4-931-4MaintenanceDescriptionitem No.U342 Setting the ejection restrictionDescriptionSets or cancels the restriction on the number of sheets to

Page 49 - 1-4-1 Maintenance mode

MaintenanceDescriptionitem No.2AV/X1-4-941-4U344 Setting preheat/energy saver modeDescriptionChanges the control for preheat/energy saver mode.Purpose

Page 50

2AV/X1-4-951-4MaintenanceDescriptionitem No.U348 Setting the copy density adjustment rangeDescriptionSelects the adjustment range for copy density fro

Page 51

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

Page 52

2AV/X1-4-971-4MaintenanceDescriptionitem No.U901 Checking/clearing copy counts by paper feed locationsDescriptionDisplays or clears copy counts by pap

Page 53

MaintenanceDescriptionitem No.2AV/X1-4-981-4U903 Checking/clearing the paper jam countsDescriptionDisplays or clears the jam counts by jam locations.P

Page 54

2AV/X1-4-991-4MaintenanceDescriptionitem No.U905 Checking/clearing counts by optional devicesDescriptionDisplays or clears the counts of the optional

Page 55

MaintenanceDescriptionitem No.2AV/X1-4-1001-4U910 Clearing the black ratio dataDescriptionClears the accumulated black ratio data for A4/11" × 81

Page 56

2AV/X1-4-1011-4MaintenanceDescriptionitem No.U990 Checking/clearing the time for the exposure lamp to lightDescriptionDisplays or clears the accumulat

Page 57

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

Page 58

MaintenanceDescriptionitem No.2AV/X1-4-1021-4U993 Outputting a VTC-PG patternDescriptionSelects and outputs a VTC-PG pattern created in the copier.Pur

Page 59

2AV/X1-4-1031-4MaintenanceDescriptionitem No.U998 Outputting the memory listDescriptionOutputs the list of memory.PurposeTo output the list as require

Page 60

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

Page 61

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-

Page 62 - U034 U066 U071

2AV/X1-5-31-5(2) Paper misfeed detection conditionsDFSWRSWESWDFSW (ST) 1Figure 1-5-3

Page 63

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).

Page 64 - Reference

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

Page 65 - 0 to 8 1

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

Page 66

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

Page 67 - 004 004 000

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

Page 68

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$´

Page 69

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

Page 70 - (7) (8) (9)

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

Page 71

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

Page 72

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

Page 73

2AV/X1-5-13Code ContentsRemarksCauses Check procedures/corrective measures1-5C100C104C200C310C400Exposure lamp problem• Check the CCD input value for

Page 74 - 0 to 255 155

2AV/X1-5-14Code ContentsRemarksCauses Check procedures/corrective measures1-5Polygon motor steady-state problem• The polygon motor rotation is notstab

Page 75

2AV/X1-5-15Code ContentsRemarksCauses Check procedures/corrective measures1-5C620C630C710C730Abnormally low fixing unitthermistor temperature• The fix

Page 76

2AV/X1-5-16Code ContentsRemarksCauses Check procedures/corrective measures1-5*: Optional **: Optional for the 15 cpm copier only.C731C740C81

Page 77 - ≥ 1ST TEMP

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

Page 78

2AV/X1-5-181-5(1) No image appears(entirely white).Causes1. No transfer charging.Causes Check procedures/corrective measures1. No transfer charging.A.

Page 79

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

Page 80

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

Page 81

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

Page 82

2AV/X1-5-211-5(11)The leading edge ofthe image is consist-ently misaligned withthe original.Causes1. Misadjusted leading edge registration.2. Misadjus

Page 83

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

Page 84

2AV/X1-5-231-5Causes Check procedures/corrective measures1. Misadjusted center line of image printing. Readjust the center line of image printing (see

Page 85 - 0 to 600 100 1000 (copies)

2AV/X1-5-241-5(19)Image is notsquare.Causes1. Laser scanner unit positioned incorrectly.2. Image scanning unit positioned incorrectly.Causes Check pro

Page 86

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

Page 87

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

Page 88 - 0 to 200 (copies) 70

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

Page 89

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

Page 90

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

Page 91

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

Page 92

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

Page 93

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

Page 94

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

Page 95

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

Page 96

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

Page 97

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

Page 98

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

Page 99

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

Page 100

2AV/X1-6-81-6(3) Detaching and refitting the left registration cleaner assemblyFollow the procedure below to replace the left registration cleaner ass

Page 101

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

Page 102

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.

Page 103

2AV/X1-6-101-6(6) Adjustment after roller and clutch replacementPerform the following adjustment after refitting rollers and clutches.(6-1) Adjusting

Page 104

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

Page 105

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

Page 106

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

Page 107

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

Page 108

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

Page 109

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

Page 110

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

Page 111 - U053 U065 U070

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

Page 112 - Original Copy

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

Page 113 - U034 U067 U072

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

Page 114

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

Page 115

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

Page 116

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

Page 117

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

Page 118

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

Page 119

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.

Page 120

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

Page 121

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

Page 122 - 7 8 9

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

Page 123

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

Page 124

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

Page 125

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

Page 126

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

Page 127

2AV/X1-6-311-6(7) Adjusting the longitudinal squareness (reference)Perform the following adjustment if the copy image is longitudinally skewed (longit

Page 128

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

Page 129

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

Page 130

2AV/X1-6-341-6(9) Adjusting magnification of the scanner in the auxiliary scanning directionPerform the following adjustment if the magnification in t

Page 131

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

Page 132

2AV/X1-6-361-6(10) Adjusting the scanner leading edge registrationPerform the following adjustment if there is regular error between the leading edges

Page 133

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

Page 134

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.

Page 135

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

Page 136

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

Page 137

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

Page 138

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•

Page 139

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

Page 140

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

Page 141

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

Page 142

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

Page 143 - U402 U403 U404

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.

Page 144

2AV/X1-6-471-6(2) Detaching and refitting the drum separation claw assembliesFollow the procedure to replace the drum separation claw assemblies.Proce

Page 145

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

Page 146

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

Page 147

2AV/X1-6-491-6(2) Detaching and refitting the fixing unit thermistorFollow the procedure below to replace the fixing unit thermistor.Procedure1. Remov

Page 148

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

Page 149

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

Page 150

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

Page 151

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

Page 152 - 1-5-1 Paper misfeed detection

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

Page 153

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-

Page 154 - DFSW (ST) 1

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

Page 155

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

Page 156 - Paper size + 2000 ms

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

Page 157 - DFSW (ST) 1*

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

Page 158 - 5. Eject section

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

Page 159

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

Page 160

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

Page 161

2AV/X2-1-32-1Start keyDMRCLBYPPFCLRSW100 ms3000 ms263 ms300 msOriginal: A5R, copy paper: A3/11" × 17", magnification ratio 200%Timing chart

Page 162

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

Page 163 - 1-5-2 Self-diagnosis

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

Page 164

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

Page 165

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

Page 166

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

Page 167

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:

Page 168 - See page 1-5-22

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

Page 169

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

Page 170

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

Page 171

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

Page 172

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

Page 173 - (13)Paper creases. Causes

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

Page 174

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

Page 175

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

Page 176 - 1-5-4 Electrical problems

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

Page 177

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

Page 178

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

Page 179

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

Page 180

2AV/X2-1-202-1MSWFHPMDMDB REMCFM1, 2, 3MSW: ON1500 ms1000 msHalf speed Full speed Half speed30 s20 sPrimary stabilization fixing temperature 135°C/275

Page 181 - 1-5-5 Mechanical problems

2AV/X2-2-12-22-2-1 Electrical parts layout(1) PCBsFigure 2-2-1 PCBs1. Main PCB (MPCB) ... Controls the other PCBs,

Page 182

2AV/X2-2-22-2(2) Switches and sensorsFigure 2-2-2 Switches and sensors1. Main switch (MSW) ... Turns the AC power o

Page 183

2AV/X2-2-32-216. Bypass paper width switch(BYPPSW) ... Detects the width of paper on the bypass tray.1

Page 184 - Cutout Stop ring

2AV/X2-2-42-2(3) MotorsFigure 2-2-3 Motors1. Drive motor (DM) ... Drives the machine.2. Scanner motor (SM) ...

Page 185 - Upper paper feed pulleys

2AV/X2-2-52-2(4) Other electrical componentsFigure 2-2-4 Other electrical components1. Upper paper feed clutch (PFCL-U) ... Primary paper f

Page 186 - Drawer drive motor

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

Page 187 - Lower left cover

2AV/X2-3-22-3C29CN4C42C43C32C31D9C30C91C37C34L4IC5 IC3HS3R31C15D1Q1TB4TH1C11C13CN5 CN2L2L6L1TB1 TB2Z1F3C1C2LUG3CN3HS4B2B1T1C17HS5C14PC3PC2L5 D13IC6IC7

Page 188 - Bypass paper feed pulley

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

Page 189 - Left registration roller

2AV/X2-3-42-32-3-2 Main PCB• 15 cpm copierCCD PCBClock signalMain PCBS/HICADCIC2MIPIC4FEEPROMIC11CPUIC16SRAMIC15,17XIOIC19,25DriverBUFDriverOddEvenPri

Page 190 - Upper bypass cover

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

Page 191 - (P. 1-4-14)

2AV/X2-3-52-3CN21CN20CN24CN22CN23CN25 116 10115821652189IC112010IC511236 2513244837IC7IC8IC9 IC10IC12IC16 30363772136377273108IC25315051IC18IC19110910

Page 192 - Figure 1-6-19b

2AV/X2-3-62-3• 20 cpm copierOperation unit PCBDriverScan signalDetection signal inputLCD display dataAddress busData busAddress busData busControl sig

Page 193

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

Page 194 - (P. 1-4-15)

2AV/X2-3-82-3CN9 CN8 CN4 CN6CN5CN7CN342AX2801REV : 3CN28CN26IC3IC9IC16IC12IC11IC14IC22IC10IC42IC28BT1-+IC39IC40IC46IC43IC5IC15CN25IC4CN27CN23 CN22 CN2

Page 195 - Figure 1-6-21b

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,

Page 196 - –1.5–1.5

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

Page 197

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-

Page 198

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

Page 199 - Figure 1-6-22b

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

Page 200 - Metal plate

2AV/X2-3-142-32-3-3 CCD PCB12RSCLPSHIFTOddEvenRSCLPLogic IC1Main PCBCCD PCBClock signal generator ASICAnalog signal processing circuitCCDIC2Transistor

Page 201 - Scanner tension spring

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

Page 202 - Scanner motor unit

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

Page 203 - Mirror 2 Frame

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

Page 204

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

Page 205 - Laser scanner unit

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

Page 206 - LSU right spacer

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

Page 207

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

Page 208

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

Page 209 - Paper size switch

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

Page 210 - Positioning pins

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

Page 211 - Correct image

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

Page 212 - Mirror 2 frame

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

Page 213

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

Page 214

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

Page 215

2AV/X2-4-122-4Periodic maintenance proceduresMaintenanceSectionpart/locationMethod Maintenance cycle Points and cautions PageTest copy and Perform at

Page 216 - Figure 1-6-50b

2AV/X2-4-132-4MaintenanceSectionpart/locationMethod Maintenance cycle Points and cautions PageOptical section Original size detection Clean Every serv

Page 217 - (P. 1-6-10)

2AV/X2-4-142-4MaintenanceSectionpart/locationMethod Maintenance cycle Points and cautions PageFixing/Eject Heat roller Clean or replace Clean after 10

Page 220

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

Page 221 - Image formation unit

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

Page 222

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

Page 223

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

Page 224 - Drum drive grounding plate

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

Page 225 - Adjustment screws

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

Page 226 - Transfer roller assembly

2AV/X1-3-131-3ContentsFactory settingMetric InchMaintenance itemNo.U253 Switching between double and single counts Double count Double countU254 Turni

Page 227 - Cleaning blade

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

Page 228 - Cleaning lower seal assembly

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

Page 229 - 1-6-9 Fixing section

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

Page 230 - Heat roller separation claws

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

Page 231 - Fixing heater

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

Page 232

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

Page 233 - Press springs

2AV/X1-3-191-3Clearing copy counts1. Select “Management Setting” (“COPY MGMTSETTING”) and press the enter key.2. Select “Count delete” (“COUNTS CLEAR”

Page 234 - Press roller

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

Page 235 - 1-7-1 Replacing the main PCB

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

Page 236

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

Page 237 - Upper shield

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

Page 238

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

Page 239

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

Page 240 - • Inverter PCB: VR1, VR2

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

Page 241 - 2-1-1 Paper feed section

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

Page 242

• 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

Page 243

1-4-22AV/X1-4(2) Maintenance mode item list (for 20 cpm copier)SectionItemMaintenance item contentsInitialNo. setting*U000 Outputting an own-status re

Page 244 - Shield grid

1-4-32AV/X1-4SectionItemMaintenance item contentsInitialNo. setting*U111 Checking/clearing the drum drive timeU130 Initial setting for the developerU1

Page 245

1-4-42AV/X1-4SectionItemMaintenance item contentsInitialNo. setting*U404 Adjusting margins for scanning an original from the DFU407 Adjusting the lead

Page 246 - 2-1-3 Optical section

1-4-52AV/XDescriptionMaintenanceitem No.1-4U000 Outputting an own-status reportDescriptionOutputs lists of the current settings of the maintenance ite

Page 247

1-4-62AV/XDescriptionMaintenanceitem No.1-4U003 Setting the service telephone numberDescriptionSets the telephone number to be displayed when a servic

Page 248

1-4-72AV/XDescriptionMaintenanceitem No.1-4U005 Copying without paperDescriptionSimulates the copy operation without paper feed.PurposeTo check the ov

Page 249

1-4-82AV/XDescriptionMaintenanceitem No.1-4U020 Initializing all dataDescriptionInitializes all the backup RAM on the main PCB to return to the origin

Page 250 - 2-1-4 Developing section

1-4-92AV/XDescriptionMaintenanceitem No.1-4U030 Checking motor operationDescriptionDrives each motor.PurposeTo check the operation of each motor.Metho

Page 251

1-4-102AV/XDescriptionMaintenanceitem No.1-4U032 Checking clutch operationDescriptionTurns each clutch on.PurposeTo check the operation of each clutch

Page 252

1-4-112AV/XDescriptionMaintenanceitem No.1-4U035 Setting folio sizeDescriptionChanges the image area for copying onto folio size paper.PurposeTo preve

Page 253

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

Page 254

1-4-122AV/XDescriptionMaintenanceitem No.1-4Interrupt copy modeWhile this maintenance item is being performed, a VTC pattern shown below is output in

Page 255

1-4-132AV/XDescriptionMaintenanceitem No.1-4U061 Turning the exposure lamp onDescriptionTurns the exposure lamp on.PurposeTo check the exposure lamp.M

Page 256

1-4-142AV/XDescriptionMaintenanceitem No.1-4U070 Adjusting the DF magnificationDescriptionAdjusts the DF original scanning speed.PurposeTo be executed

Page 257 - Lower cleaning seal

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

Page 258 - Light-blocking lumirro

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

Page 259 - 2-1-8 Fixing section

1-4-172AV/XDescriptionMaintenanceitem No.1-4U074 Adjusting the DF input light luminosityDescriptionAdjusts the luminosity of the exposure lamp for sca

Page 260

1-4-182AV/XDescriptionMaintenanceitem No.1-4Setting the reference data for identifying dustAvailable only when the mode is turned on. 1. Select the it

Page 261 - 2-2-1 Electrical parts layout

1-4-192AV/XDescriptionMaintenanceitem No.1-4U091 Checking shadingDescriptionPerforms scanning under the same conditions as before and after shading is

Page 262

1-4-202AV/XDescriptionMaintenanceitem No.1-4U092 Adjusting the scanner automaticallyDescriptionMakes auto scanner adjustments in the order below using

Page 263

1-4-212AV/XDescriptionMaintenanceitem No.1-4U093 Setting the exposure density gradientDescriptionChanges the exposure density gradient in manual densi

Page 264

1-1-12AV/XCONTENTS1-1 Specifications1-1-1 Specifications ...

Page 265

1-4-222AV/XDescriptionMaintenanceitem No.1-4U099 Checking the original size detectionDescriptionDisplays the original width detection data and sets th

Page 266

1-4-232AV/XDescriptionMaintenanceitem No.1-4U100 Setting the surface potentialDescriptionChanges the surface potential by changing the grid control vo

Page 267

1-4-242AV/XDescriptionMaintenanceitem No.1-4U101 Setting high voltagesDescriptionChanges the developing bias voltage and transfer voltage by changing

Page 268

1-4-252AV/XDescriptionMaintenanceitem No.1-4U109 Setting the drum typeDescriptionSets or checks the drum type.PurposeTo prevent variations in halftone

Page 269 - 2-3-2 Main PCB

1-4-262AV/XDescriptionMaintenanceitem No.1-4U130 Initial setting for the developerDescriptionAutomatically sets the toner sensor control voltage and t

Page 270 - REV:2

1-4-272AV/XDescriptionMaintenanceitem No.1-4U132 Replenishing toner forciblyDescriptionReplenishes toner forcibly until the toner sensor output value

Page 271

1-4-282AV/XDescriptionMaintenanceitem No.1-4U156 Changing the toner control levelDescriptionChanges the toner feed start level set in maintenance item

Page 272

1-4-292AV/XDescriptionMaintenanceitem No.1-4U158 Checking/clearing the developing countDescriptionDisplays the developing count for checking, clearing

Page 273

1-4-302AV/XDescriptionMaintenanceitem No.1-4U162 Stabilizing fixing forciblyDescriptionStops the stabilization fixing drive forcibly, regardless of fi

Page 274

1-4-312AV/XDescriptionMaintenanceitem No.1-4U200 Turning all LEDs onDescriptionTurns all the LEDs on the operation panel on.PurposeTo check if all the

Page 275

1-1-22AV/X(6) A black line appears longitudinally. ... 1-5

Page 276

1-4-322AV/XDescriptionMaintenanceitem No.1-4U207 Checking the operation panel keysDescriptionChecks operation of the operation panel keys.PurposeTo ch

Page 277

1-4-332AV/XDescriptionMaintenanceitem No.1-4CompletionPress the stop/clear key at the screen for selectiong an item. The screen for selectiong a maint

Page 278

1-4-342AV/XDescriptionMaintenanceitem No.1-4U243 Checking the operation of the DF motors, solenoids and clutchDescriptionTurns the motors, solenoids o

Page 279 - 2-3-3 CCD PCB

1-4-352AV/XDescriptionMaintenanceitem No.1-4For example, if any value between 105 and 139 is displayed when the original insertion guides areadjusted

Page 280 - 2-3-4 Laser diode PCB

1-4-362AV/XDescriptionMaintenanceitem No.1-4U244 Checking the DF switches (when installing the optional STDF)DescriptionDisplays the status of the res

Page 281

1-4-372AV/XDescriptionMaintenanceitem No.1-4U250 Setting the maintenance cycleDescriptionDisplays and changes the maintenance cycle.PurposeTo check an

Page 282

1-4-382AV/XDescriptionMaintenanceitem No.1-4U252 Setting the destinationDescriptionSwitches the operations and screens of the machine according to the

Page 283 - 2" × 8

1-4-392AV/XDescriptionMaintenanceitem No.1-4U254 Turning auto start function on/offDescriptionSelects if the auto start function is turned on.PurposeN

Page 284

1-4-402AV/XDescriptionMaintenanceitem No.1-4U256 Turning auto preheat/energy saver function on/offDescriptionSelects if the auto preheat/energy saver

Page 285

1-4-412AV/XDescriptionMaintenanceitem No.1-4U260 Changing the copy count timingDescriptionChanges the copy count timing for the total counter and othe

Page 286 - /2" × 8

1-1-32AV/X(4) The scanner does not travel. ... 1

Page 287

1-4-422AV/XDescriptionMaintenanceitem No.1-4U330 Setting the number of sheets to enter stacking mode during sort operationDescriptionWhen sort copying

Page 288

1-4-432AV/XDescriptionMaintenanceitem No.1-4U342 Setting the ejection restrictionDescriptionSets or cancels the restriction on the number of sheets to

Page 289

1-4-442AV/XDescriptionMaintenanceitem No.1-4U344 Setting preheat/energy saver modeDescriptionChanges the control for preheat/energy saver mode.Purpose

Page 290 - (20 cpm copier)

1-4-452AV/XDescriptionMaintenanceitem No.1-4U348 Setting the copy density adjustment rangeDescriptionSelects the adjustment range for copy density fro

Page 291 - Maintenance parts list

1-4-462AV/XDescriptionMaintenanceitem No.1-4U404 Adjusting margins for scanning an original from the DFDescriptionAdjusts margins for scanning the ori

Page 292 - • Copier

1-4-472AV/XDescriptionMaintenanceitem No.1-4U407 Adjusting the leading edge registration for memory image printingAdjustmentSee page 1-6-12.U901 Check

Page 293

1-4-482AV/XDescriptionMaintenanceitem No.1-4U904 Checking/clearing the service call countsDescriptionDisplays or clears the service call code counts b

Page 294 - • Optional drawer

1-4-492AV/XDescriptionMaintenanceitem No.1-4U906 Resetting partial operation controlDescriptionResets the service call code for partial operation cont

Page 295

1-4-502AV/XDescriptionMaintenanceitem No.1-4U914 Switching between fax and copier modesDescriptionSelects whether the fax or copier mode is given prio

Page 296

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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