Sharp SF-1014 Service Manual Page 1

SERVICE MANUALCODE: 00ZSF1014SM1ECopier MODEL SF-1014 [ 1 ] GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Operation panelNo. Name No. Name No Name1Auto/manual/photo key and indicators2Light and dark keys and exposureindicators3Maintenance required indic

NOYESNOYESNOYESNOYESNOYES2'Are the imagelead edge positionadjustment value andthe resist roller ONtiming adjustment valuerecorded?Use Sim 50-1 to

4. Set value recording sheetPurpose/kind SectionContentsMain code Sub code Set value DescriptionAdjustment Paper feed section 51 2 Adjustment value of

5. Memory simulation listPurpose/kind SectionContentsRef. pageMaincodeSubcodeDefaultvalueDescriptionAdjustment Paper feed section51 2 50 Adjustment va

Purpose/kind SectionContentsRef. pageMaincodeSubcodeDefaultvalueDescriptionCounter Total counter 22 5 Used to confirm the total counter value. 8-920 1

[12] ELECTRICAL SECTION 1. System block diagram2. System operation at power ON1234564622 3 1 2 2 33 2 2+32V+24V+5V1+5V2FWGND31 61 6222222322233332331

3. Main circuit(1) Block diagram(2) CPU (IC110) M377021 OutlineThe M37702M2-XXXFP is a 16-bit, single-chip microprocessor whichemploys the high perfor

3 Block diagram29XIN30XOUT31E28RESET69(5V)VCC32(0V)VSS73 27 (0V)CNVSS72 (0V)AVSS70 (5V)AVCC71VREF26BYTE61 62 63 64 65 66 67 68 74 75 76 77 78 79 8

4 CPU: M37702 (IC110) pin signalsPin No. Port Signal name IN/OUT H/L Description1 P70 AES IN Analog input signal (AE sensor)2 P67 IN1 IN Lower unit se

Pin No. Port Signal name IN/OUT H/L Description56 P04 SMG OUT H Transport motor gain signal57 P03 SPPD IN H Paper entry detecting signal58 P02 KEY2 IN

(4) Heater lamp control circuit1 GeneralThe heater lamp control circuit detects the heat roller surfacetemperature with the thermistor, converts it in

3. Cross sectionNo. Name No. Name No Name1No.3 mirror2No.2 mirror3Drum separation pawl4Cleaner unit5Discharge lamp6Main charger unit7No.1 mirror8Copy

(5) Driver circuit (Solenoid, magnetic clutch)1 GeneralThe control signals of each load outputted from the CPU and I/Ocannot drive the load directly.

(8) Toner supply motor drive circuitIC104 is the motor control IC which drives the toner supply motor withthe pulse signals (TMa, TMb) outputted from

(10) Copy lamp control section The change in the copy lamp exposure level is adjusted by changingthe ON period duty of the output pulse (CLPUM) from t

The copy lamp is switched by the triac. At the rising of CLPWM signal(V4), the trigger signal CL is sent to the triac to light the lamp. Thelamp will

4. Operating section (1) OutlineThe operating circuit is composed of the key matrix circuit and thedisplay matrix circuit. Key detection: Keys are det

(2) Display circuitControl is performed with the data signal and the control signal fromthe control circuit.1 Block diagram2 Operation DAta signal (8

(3) LED displayThe LED is lit up by the signal matrix of MDL0 (Q1) ∼ MDL1 (Q2) andF0 (Q3) ∼ F20 (Q23). By turning on/off ports F0 ∼ F20 with the timin

• In the main PWB unitL-732VL-832VL-5P-GNDC103470uF 63V32VCHK JPC14422000PF32V32V32VFB10524V24V24VCHK JPR101510J 1/2WQ1012SD1769D101DSS131L-6P-GNDZD10

(Danish) ADVARSEL !Lithiumbatteri – Eksplosionsfare ved fejlagtig håndtering.Udskiftning må kun ske med batteriaf samme fabrikat og type.Levér det bru

qCOPYRIGHT  1997 BY SHARP CORPORATIONAll rights reserved.Printed in Japan.No part of this publication may be reproduced,stored in a retrieval system,

4. Switches, sensors, detectorsNo. Abbreviation Function Type Operation1POD Paper out sensor Transmission photo sensor H when paper is sensed.2MHPS Mi

PARTS GUIDECODE: 00ZSF1014PG1ECopierMODEL SF-1014CONTENTS1 Exteriors2 Original cover unit4 Operation panel5 Upper frame6 Optical unit7 Mirror holder u

DEFINITIONThe definition of each Rank is as follows and also noted in the listA : Parts necessary to be stocked as High usage parts.B : Parts necessar

1ExteriorsFCP02600453633231738916193153121513141511101031720SF-1014– 2 –

2 Original cover unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1GCOVH0233FCGZAM D Original cover 2GCOVH0234FCGZAY D Original cover 3PSHEZ4138FC

4 Operation panelNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1CBTN-0185FC01AF C Clear key 2CBTN-0183FC31AH E Copy key unit 3HPNLC0001QSZZAU D Ope

5 Upper frameNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1XEBSE40P10000AA C Screw (4´10)2XHBSE40P10000AA C Screw (4´10)3LHLDZ1201FCZZAE C Inter l

5 Upper frameNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION93PSHEZ4077FCZZAC C Sheet 94MSPRT0001QSZZAC C PS roller spring 95NROLP0001QSZZAD C PS ro

6 Optical unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1CCOVP1229DS01AX C Dark box cover 2PGIDM0005QSZZAG C OC hinge guide left 3RMOTE0002QSZZ

6 Optical unitBABAFCP02604143116116116CC11712348526868687888990998284839493959697988181474746464448454544434012373620354150525354495560595758121119101

7 Mirror holder unit 7 Mirror holder unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1XBPSD30P04K00AA C Screw (3´4K)2LFIX-0467FCZZAC C 2nd mirror

5. Clutches, solenoidsNo. Abbreviation Name Function and operation1PSPS Paper separation solenoid For paper separation solenoid drive2RRC Resist rolle

10 Toner hopper unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION9PSHT-0064FCZ2AF C Shutter 10NSFTZ2065FCZZAD C Rotation fulcrum shaft 11NGERH1002

– 20 – – 21 –12 Main drive unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1NGERH1009FCZZAD C Gear 35/20T 2NGERH1008FCZZAD C Gear 59/24T 3NGERH10

13 Lower frame9194949393929290903333234333333333330343532252627282930313736211918761011109897495052635135433511648055565958960962104614233333839404832

14 High voltage unit15 TC case unit14 High voltage unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1LHLDZ1202FCZ1AP C Socket holder 2XBPSD30P1400

16 Single paper feeding unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION25TLABZ3579FCZZAF C Manual feed size label (Inch series)26XRESP30-06000

18 250 Tray paper feeding unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1CPLTM4554FC01AF C Paper feeding drive plate 2NGERH1015FCZZAD C PS join

18 250 Tray paper feeding unitBABA12378956451281013141432313029284027262425343323191716161522113520213820393936374343144114441846FCP026154748495051SF-

19 250 TrayNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1TLABZ3568FCZZAB C Indication label 2LPLTP4556FCZ1AK C Tray side plate 250 3PCUSS0300FCZZA

20 Main PWBNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1PRDAR0060FCZZAK C Heat sink 2QCNCM0597FCZZAC C Connector (10pin) [CAN]3QCNCM0598FCZZAC C

20 Main PWBNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION77VRS-TS2AD124FAB C Resistor (1/10W 120KW ±1%)(Except 120V) [R170]78VSDTA114YK/-1AC B Tra

6. MotorsNo. Abbreviation Name Function Type1VFM Paper exit fan motorFor ventilation of the fuser unit.For cooling the machine and removing ozone.DC b

22 AC circuit PWBNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1DHAI-0026QSZZAE C AC PWB earth harness [FG]2PRDAF0044FCZZAC C Heat sink (SP2224) [

23 Lower unit PWBNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1DHAI-2316FCZZAD C High voltage harness (BC) 2PSHEP3665FCZZAB C Lower unit PWB prote

25 Packing material & AccessoriesNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1UBAGF0039FCZZAG D Vinyl bag for body 2SPAKA0018QSZZAS D Top pac

26 SRU unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1CHLDZ0005QS51AV E Holder unit 2PSHEP0004QSZZAF C MC case sheet 3PCASZ0001QSZZAL C MC case

26 SRU unitFCP026182019172322282524263533413815292216212114182743501456713121211109812213013393936373423331343432323140SF-1014– 36 –

51 Multi manual paper feeding unitNO. PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION1MSPRT2220FCZZAA C Manual feed spring 2MARMP0181FCZZAC C Arm 3LHLDZ

51 Multi manual paper feeding unit12356791011121358171615182324252522222226373619202839279530293435384241404748464950474244454314553939396639393966515

IndexPARTS CODE NO.PRICERANKNEWMARKPARTRANK [C]CARMM0189FC0113- 61 AE CCBOX-0001RS54 9- 55 AW N E "10-901 AW N ECBOX-0096FC02 9- 24 AW

PARTS CODE NO.PRICERANKNEWMARKPARTRANKLHLDZ0002QSZZ26- 7 AL CLHLDZ0003QSZZ26- 9 AD CLHLDZ0004QSZZ26- 10 AH CLHLDZ0006QSEZ10- 8 AN N CLHLDZ1182FCZZ

PARTS CODE NO.PRICERANKNEWMARKPARTRANKMSPRC2357FCZZ18- 30 AE CMSPRC2358FCZ118- 28 AC CMSPRC2502FCZZ51- 25 AB CMSPRP0007QSZZ 8- 19 AF CMSPRP0008QSZZ 8-

7. PWBsNo. Name Description1AC circuit PWB AC power input2Discharge lamp PWB Discharge lamp drive3Main PWB Main body control4AE PWB Document density a

PARTS CODE NO.PRICERANKNEWMARKPARTRANKPCUSF0003QSZZ 5-101 AB N CPCUSF0004QSZZ18- 51 AB CPCUSF0005QSZZ18- 49 AD CPCUSF0006QSZZ18- 50 AC CPCUSF0007QSZZ2

PARTS CODE NO.PRICERANKNEWMARKPARTRANKPSRA-0001QSZZ26- 29 AU CPTME-0168FCZZ11- 6 AF CPTME-0233FCZZ 5- 37 AD CPTME-0234FCZZ 5- 43 AD CPTME-0235FCZZ 5-

PARTS CODE NO.PRICERANKNEWMARKPARTRANKVHDDSM1D1//-121- 9 AB B "22- 29 AB BVHDDSS131//-120- 33 AA B "23- 26 AA BVHDDSS133//-120- 3

PARTS CODE NO.PRICERANKNEWMARKPARTRANKXEBSD30P0800010- 19 AA C "11- 14 AA C "16- 42 AA C "26- 13 AA C "51- 22

[4] UNPACKING AND INSTALLATION 1. Packing drawingList of packing materials and accessoriesName Q’ty1 Packing case 12 Body 13 Polyethylene bag for pape

3 Avoid installation where there is a lot of dust or vibrations.If dust enters the machine, it may degrade copy quality and causemalfunctions. 4 Avoid

3. Installation procedure(1) Optical system unlocking1 Unlock the No.2/No.3 mirror unit.Remove the No.2/No.3 mirror unit fixing screw (1 pc.) on the l

(3) Developer setting1 Open the front cabinet.Push the front cabinet open buttons which are on the left and rightsides of the copier, and open the fro

CONTENTS[ 1 ] GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . 1-11. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(4) Toner supply1 Shake the toner cartridge up and down.Shake the toner cartridge up and down 9 to 10 times.2 Install the toner cartridge.Install the

4. Locking procedure for transit orrepackingIn general, reverse the procedures in "3. Installation procedure." Forthe optical system lock, p

(3) Mount the multi bypass feeder unit onto themain copier unit.1 Slide the positioning pins which project from the multi bypassfeeder unit in to the

[5] GENERAL DESCRIPTIONS OFEACH SECTION The general descriptions of the following sections are given:1 Paper feed section 2 Separation, transport sect

2. Separation, transport section After passing the resist roller section, the paper is transported to thetransfer section. After transfer, the paper i

5. Optical system5-1. General descriptions• The optical system is composed of the fixed focus lens and sixmirrors. Since the fixed focus lens is emplo

(7) Lens drive shaft This shaft is to control the optical axis of the lens in zoom copying.The lens follows on the slide base shaft.(8) Lens drive wir

(Copy lamp control in each copy density)(Optical system dirt correction)The SF-1014 perform dirt correction by changing the copy lamp inten-sity accor

6. Copy process(1) Photoconductor• This model uses OPC (organic photoconductor) as photoconduc-tive material.(2) Process diagramOPC layer CTL (Electri

(3) Actual processStep 1 (charging)The OPC drum is negatively charged by corona discharge of thetransfer charger . Positive charges are generated in t

4-6. Optical unit removal . . . . . . . . . . . . . . . . . . . . . . 6-114-7. Other parts in the optical system . . . . . . . . . . . . . 6-114-8. L

Step 3 (Main Charging)By negative discharging of the main charger, uniform negative char-ges are applied to the OPC drum surface.The OPC drum surface

Step 5 (Development)Toner is attached to the latent static-electricity images on the drumsurface to change them to visible images. The two-component m

Step 6 (Transfer)The transfer paper is charged higher than the OPC drum surfacepotential by strong negative discharge of the transfer charger, makingt

Step 8 (Cleaning)Residual toner on the drum is removed by the cleaning blade. Theremoved toner is sent to the waste toner container by the waste toner

(5) Process correction system1) Outline of the correction systemThis model is provided with the correction system for the optical unitand the photocon

2. Optical unit correction (Dirt correction)The purpose of this correction is to maintain the copy density eventhough the optical unit is contaminated

[6] DISASSEMBLY AND ASSEMBLYThe descriptions of this chapter are divided into the following sec-tions: 1. Paper feed section, paper transport section

4 Remove the bearing in the rear frame and remove the paper feedroller ass’y. Note for assembly (1): Hang the roller release arm spring on thespring h

Note for assembly (1): Attach the paper feed roller so that theone-way clutch in the rear frame side. (Becareful to the installing direction.)Attach t

1-6. Transport belt1 Remove the fuser unit. 2 Remove the TC case. 3 Remove the transport belt drive shaft in the TC case from theholder, and remove th

[1] GENERAL DESCRIPTION1. Features[Small]• Compact design• Small area for operation[Speedy]• Warm-up time 30 sec or less, the first copy 5.9 sec ∼ the

Note for assembly (1): When attaching the harness, be careful tothe connector color and the lead wirecolor. (Carefully refer to the indication onthe

3. Fuser section 3-1. Fuser unit removal1 Open the front panel2 Remove the table glass. 3 Turn the open/close lever to the right and open the upper

3-3. Upper heat roller ass’y removal1 Remove the bearing fixing screws (2 pcs.) in the front and the rearframes. 2 Put the paper guide to the paper ex

3-6. Scraper replacement1 Remove the upper fuser unit.2 Remove the paper exit paper guide fixing screw (step screw) inthe front frame side, and remove

4. Optical system 4-1. Copy lamp replacement1 Open the body up. Release the lock lever of the manual paperfeed unit and remove the manual paper feed u

Note: After replacement of the mirror base drive wire, perform thevertical skew copy adjustment, the focus adjustment, and thehorizontal skew copy adj

Note: When the lens drive wire is removed, the magnification adjust-ment and the focus adjustment are required. 4-5. No. 4/5 mirror unit and periphera

3 Remove the connector and the fixing screw (1 pc.), and removethe mirror home position sensor (MHPS) towards the rear frame.4 Remove the connector an

5. Drum section 5-1. Drum unit removal1 Open the front cover. 2 While pressing down the release lever A, open the tonercartridge slowly. (Arrow B)3 Re

2 Remove two screws C and remove the motor. 6-4. Toner density sensor7. Operation panel section/mediumcabinet 1 Open the front cabinet. 2 Remove three

[2] PRODUCT SPECIFICATIONS1. Basic specifications (1) Type: Table top(2) Copy speedPaper size Normal Enlargement ReductionB4 11 sheets/min 10 sheets/m

8-3. Ventilation fan motor 1 Remove the optical unit. (For details, refer to "4. Optical unitremoval.")2 As shown in the figure below, remov

[7] ADJUSTMENTSThe descriptions of this chapter are divided into the following sec-tions:1. Developer section (1) MG roller main pole position adjustm

(2) Adjustment of clearance between DV doctorand MG rollerIf the clearance between the DV doctor and the MG roller is improper,the following troubles

2. Optical section A. Adjustments listClassification No. Adjustment contentAdjustmentvalue/StandardvalueNecessaryspecial toolRef.pageParts installatio

NONOYES1'Make a test chart. (Draw a rectangle on B4 or 8 1/2" x 14" paper.)Check horizontal image distortion.The distances at the right

NOYES3'YES4Check the uniformity. Is the uniformity OK ? Put the scale to the document reference plate and set in the paper transport direction. S

C. Adjustment contents(1) Lensa. Lens unit right angle adjustmentI. Summary By setting the optical axis of the copier body and that of the lensin para

VII. Troubles caused by improper adjustment(2) Mirror There are following adjustments of parts installation positions relatedto the mirror. *No. 4/5 m

VII. Trouble caused by improper adjustmentb. No. 4/5 mirror unit drive cam position adjustmentI. Summary The copy magnification ratio and focus are pr

Install the No. 1 and No. 2 scanner units to the specified posi-tions, adjust the mechanical horizontal parallelism, and performthe final adjustment w

• AB seriesEach paperfeed portPaper feedsizePaperweightSpecial paperPaperfeedpositionTray B4 ∼ A5(Landscape)56 ∼80g/m2Recommended recycle paperFrontSi

6) Without moving the scanner unit drive pulley shaft, manual-ly turn the scanner unit drive pulley in the same side of theloosened setscrew. When it

10) Check the horizontal image distortion. If LL = LR, there is no horizontal distortion. LL and LR = Distance between the copyhorizontal l

VI. Adjustment procedure1) Set the test chart for image distortion adjustment on thedocument glass, and make a normal copy on a paper of A4or 8 1/2&qu

III. NoteBefore performing this adjustment, the following adjustmentmust have been completed. If not, this adjustment cannot beperformed properly. *Le

VII. Troubles caused by improper adjustment(5) Focus adjustment (Resolution adjustment)I. SummaryThe distance between the document and the photoconduc

VII. Troubles caused by improper adjustment(6) Copy magnification ratio adjustmentThe copy magnification ratio adjustment must be performed in thevert

4) Measure the length of the copied scale image. 5) Calculate the vertical copy magnification ratio.Vertical copy magnification ratio = Copy image si

II. PurposeThe purpose of this adjustment is to fit the displayed copy mag-nification ratio with the actual copy magnification ratio.III. Note Before

(7) Uniformity adjustmentI. Summary The uniformity adjustment is performed by changing the ex-posure plate position attached to No.1 scanner unit. The

IV. Cases when the adjustment is required1) When the optical section is disassembled or its part isreplaced (including the scanner home position senso

3. SuppliesMiddle and South AmericaNo. Name Content Product name Life1 OPC drum kitOPC drum x 1SF114DR 50KCleaning blade x 12 Black developerBlack

8) Enter the measure values in procedure 7) into the formulabelow to calculate adjustment value A and adjustmentvalue B.A = 8.2423 x (L1 – L2)B = 16

b. Void area adjustmentI. Summary The copy image position on the copy paper is adjusted withsimulations 50-1, then the main corona grid ON timing for

11) Measure the distance from the paper lead edge to the copyimage lead edge of each copied papers (129% and 64%),and calculate the average value.(Not

3. COPY DENSITY ADJUSTMENT(1) Copy density adjustment timingThe copy density adjustment must be performed in the followingcases:✱ When in maintenance.

3) Set the density level to "1" with the copy density adjustment key.(The currently set copy lamp voltage level will be displayed on theCOPI

2) Set the density level to "1" with the copy density adjustment key.(The currently set copy lamp voltage level will be displayed on theCOPI

(6) Copy density adjustment tableA : Auto copy mode N.TS : Non-toner-save modeP : Photo copy mode TS : Toner save modeN : Normal copy modeCopy mo

4. Others(1) Transfer charger wire installationInstall the transfer charger wire as shown below. (Clean the chargerwire at every 40K copies and replac

[8] SIMULATIONS1. OutlineThis model is equipped with the simulations feature which allows thefollowing operations with the keys on the operation panel

4. Purpose listPurpose Section Main Sub FunctionRef.pageAdjustments Paper feed section 51 2 Resist amount adjustment8-3Optical section 26 8 Copy magn

F AlphabetIndicates the factory of production. "A" is the code for Nara plant. B. Developer and tonerThe lot number of toner is put on the i

5. Details of simulationsContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageAdjustment Paper feedsection 51 2 Used to adjust contact pre

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageAdjustment Optical unit 46 1 Used to adjust the copy density (exposure level) and the

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageAdjustment Optical unit 47 Used to store the characteristics of the AE sensor and the

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageAdjustment Optical unit 50 1 Used to adjust the copy image position on the copy paper

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageAdjustment Developer unit 25 2 (Operation/procedure)After 3 minutes from start of sti

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageSetting Paper feed unit 26 12 Used to set the manual paper feed mode.There are two op

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageCounter Copy count 22 1 Used to check the maintenance count value.(Operation/procedur

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageOperationcheck Optical unit 1 1 Used to check the operation of the scanner unit and i

ContentsPurpose/kind Section MaincodeSubcodeDescriptionRef. pageOperationcheckProcess 44 2 Used to display the reference value of the optical system

6. User simulation[Specifications which does not conform to InternationalEnergyStar]A) Preheat mode (The machine enters this mode after passing acerta

[3] EXTERNAL VIEW AND INTERNAL STRUCTURE1. External view and internal structureNo. Name No. Name No. Name1Exit tray2Document cover3Document glass4Oper

(2) User simulation prcedureSimulation procedure StatePaper jam/developerreplacement/toner supplywarning LEDCopy quantitydisplayPrint LED1. Press the

[9] SELF DIAG1. Summary/purposeThis model has the self diag function for the following purposes:1) When a trouble occurs in the machine, the machine d

4. Self diag contentsError codeItem Description Ref. pageMain SubL1 0 Content Scanner feed trouble 8-10Detail 1) 86 pulses (45 mm) of the scanner moto

Error codeItem Description Ref. pageMain SubL4 1 Detail The rotary encoder signal cannot be detected for more than 50ms during delivery of themain mot

Error codeItem Description Ref. pageMain SubL8 3 Remedy Check the following items:1) AE sensor or its input circuit2) Copy lamp control circuit (cop

Error codeItem Description Ref. pageMain SubU2 4 Remedy Check the following items: 8-121) Main PWB EEPROM2) Memory control circuit3) Communication li

Error codeItem Description Ref. pageMain SubPC Content Personal counter installation troubleDetail The personal counter is not installed in the person

Error codeItem Description Ref. pageMain SubSPFJAM Content Document misfeed trouble 8-11Detail 1) When the document is in the SPF section, a misfeed

[10] SERVICING AT MEMORYTROUBLE AND MAINCONTROL PWB REPLACEMENT1. GeneralThe control PWB stores various set values, adjustment values, andcounter valu

NOYESNOYESNOYESNOYESNOYESNOYES1Is the tonerdensity reference valuerecorded?Use Sim 43-1 to set thefusing temperatureUse Sim 21-1 to set themaintenance