Sharp FO-DC500 Manuel de service

1 - 1FO-DC500UNo. 00ZFODC500SMEParts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with

FO-DC500UHold the toner cartridge by the handle and insert it into the print com-partment.• Make sure the toner cartridge clicks into place.• The hand

FO-DC500UAABBCCDD123456D7D9D1D14D3D8D15D10D4D13D0D6D12D11D2D5A9A21A12A11A20A5A2A13A1A24A3A6A10A25A7A4A8A22A23DG+3.3VDGDG DGDG+3.3V+3.3V+3.3VDGDGDG+3.3

FO-DC500U6 – 42/12EEFFGGHH123456SEN7SEN2SEN4SEN1SEN3SEN6SEN0SEN5LD M[7:0]LDM7LDM5LDM1LDM2LDM0LDM3LDM4LDM6LDM0LDM2LDM5LDM1LDM4LDM7LDM3LDM6MA0/DWEMD15MA

FO-DC500U Sub ASIC block6 – 5AABBCCDD123456D12D8D13D7D6D5D10D15D14D11D2D1D0D3D4D9A12A3A1A13A15A5A4A7A6A11A14A16A10A0A9A2A8NICA13NICA8NICA6NICA7NICA1

FO-DC500U6 – 63/12EEFFGGHH123456PCLD4PCLD1PCLD12PCLD15PCLD3PCLD2PCLD14PCLD0PCLD5PCLD9PCLD8PCLD13PCLD11PCLD7PCLD6PCLD10RTCDTRTCCKRTCCE+3.3VDG+3.3VDGDG

FO-DC500UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1A20A19A4A10A8A8A15A4A11A1A2A6A10A6A12A0A12A11A2A9A13A5A3A2A22A4A1A3A10A14A15A14A8A18A11A13A5A15A9A3A9A13A

FO-DC500UAABBCCDDEEFFGGHH6 65 54 43 32 21 1A3A5A1A4A2D5D6D0D3D2D7D1D4DGDGDGDGDGDGDG+3.3VDGDG+5VDGDGDGMAG+3.3V+5VAMAGDG+5VDG+5VDGDG+24VADGDG+3.3VDGDGDG

FO-DC500UNOTE: This mark indicates a satety-critical part(s).AABBCCDDEEFFGGHHII6 65 54 43 32 21 1DGDGDG+24V+5VDGDGMG+24VA+5VMGMG+5VDG+24VMGDGDG

FO-DC500UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1A13A5A12A6A7D7D13D12A4D1D5A15D4A8D2A14D8A1A2A9A10A11D3D6D14A0D0D9D15D11A3D10+3.3V+3.3V+3.3VDG+3.3VDGDGDGD

FO-DC500UNOTE: This mark indicates a satety-critical part(s).AABBCCDDEEFFGGHH6 65 54 43 32 21 1LCDDGLCDDGLCDDGLCDDGLCDDGLCDDG+LCD5V+LCD5VLCDDG

FO-DC500UNOTE: This mark indicates a satety-critical part(s).AABBCCDDEEFFGGHHII6 65 54 43 32 21 1LD4LD7SEN6SEN0SEN4LD6SEN1LD2SEN7LD3SEN5LD5SEN3

FO-DC500ULoading paper in the paper cassette (if installed FO-CS1)Note: To use A4 paper in the paper cassette, you must have a servicetechnician adjus

FO-DC500UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1PCLA10PCLD8PCLA2PCLA0PCLD3PCLA13PCLD1PCLD15PCLD12PCLD6PCLA1PCLD13PCLD14PCLA11PCLD2PCLA14PCLD5PCLD4PCLD9PC

FO-DC500UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1D12D0D8D13D30D18D5D6D19D22D11D26D20D17D21D10D25D14D2D7D29D3D28D9D15D16D1D23D24D27D4D31A3A16A9A11A5A19A12A

FO-DC500UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1A5A2A3MDMA0A4A1MDMA4MDMA1MDMA0MDMA2MDMA1MDMA4MDMA2MDMA3MDMA3MDMD2MDMD5MDMD2MDMD6D0D1MDMD3D3MDMD1MDMD5D2MD

FO-DC500UControl PWB parts layout (Top side)6 – 16F1F2F5

FO-DC500UControl PWB parts layout (Bottom side)6 – 17F100F101F102

FO-DC500UExRingExTiP+24VADPON/EXHSCi+5VTiPRXinRingR918kR2022kL4R-5CVA3N.M.CML1AOUAZ-SH-124DZC120.033uC17N.M.L2N.M.R513k(1W)IC1BNJM2904D+-ZD2HZ2C1C80.0

FO-DC500ULIU PWB parts layout (Top side)6 – 19

FO-DC500ULIU PWB parts layout (Bottom side)6 – 20

FO-DC500U(RESET)(CHK_START)(DFFSET)(2-6C)(+5V)(+24V)(DG)(2-3C)(2-6H)(2-4H)(2-1E)(2-2E)(2-3H)(2-5H)(2-5H)(2-4H)(2-5H)(2-5H)(2-5H)(2-3H)(2-5C)(2-6A)(2-6

FO-DC500U(1-6I)(1-5I)(1-6I)(1-5I)(1-5I)(1-5I)(1-5I)(1-5I)(1-5I)(1-4I)(1-4I)(1-4I)(1-4I)(1-4I)(1-4I) (1-4I)(1-4I)(1-4I)(1-4I) (1-4I)(1-3I)(1-3I)(1-3I)(

FO-DC500URemove the toner cartridge and place it on a sheet of paper.Remove the drum cartridge.Remove the jammed paper.• Make sure no torn pieces of p

FO-DC500UPrinter PWB parts layout (Top side)6 – 23

FO-DC500UPrinter PWB parts layout (Bottom side)6 – 24

FO-DC500UAABBCCDDEEFFGGHH6 65 54 43 32 21 1HEATER ONHEATER-RELAY OFFS3INTERLOCKSWITCH [4] Power Supply PWB circuit 1/16 – 25

FO-DC500UPower Supply PWB parts layout6 – 26← The Power supply PWB of this modelemploys lead-free solder.

FO-DC500UAABBCCDDEEFFGGHH6 65 54 43 32 21 1DG+5VDGLD0 2LD1 2LD3 2LD2 2/SEN0 2/SEN4 2/SEN1 2/SEN2 2/SEN3 2/SEN5 2/SEN6 2/SEN7 2PLTSW 21472580S369#CDVFB

FO-DC500UAABBCCDDEEFFGGHH6 65 54 43 32 21 1DGDGDGDGDG+5VDG+5VDGDG+5VDGDGDGDGDG DGDG+5V+5VDG+5V+5VLD2 1LD4LD7LD1 1LD5LD6LD0 1LD3 1RSELD0 1LED2LED3LD1 1

FO-DC500UAABBCCDDEEFFGGHH6 65 54 43 32 21 1+5VDG+5VDGDG+5VLED6LED10LED2LED4LED7LED5LED3 LED9LED11LED8LED1LED72LED42LED12LED82LED102LED62LED52LED92LED2

FO-DC500UBAOperation panel PWB parts layoutNote: Since the parts of this PWB cannot be supplied,change it as a unit.6 – 30No. DESCRIPTION PARTS CODEA

FO-DC500U6 – 31AABBCCDDEEFFGGHH6 65 54 43 32 21 1VSSVSSVSSVSSFPD2FPD1FPD3FPD0VSS+VLCD(+21V)+3.3VDGDGDGC1N.M.CNLCDBCNLCDB(CN9)20FLT-SM1-TBYD1LP2VSS3XCK

FO-DC500U8 – 1CHAPTER 7. OPERATION FLOWCHARTRefer to the service manual of FO-4400U.CHAPTER 8. OTHERS[1] Service Tools1.CONNECTIONFig. 12. Extension l

FO-DC500U6. Installing the LAN Network Interface Kit (FO-LN1)Important: The following procedure is only to be performed by a quali-fied service techni

FO-DC500U8 – 2M E M O

1 - 1FO-DC500UPARTS GUIDEBecause parts marked with " " is indispensable for the machine safety maintenance and operation, it must be replace

FO-DC500U[1] Exterior etc.(1)– 1 –PARTS PRICECODE RANKUKOG-0238FCZZ BB*a: FLOIL421110B2B2B2B2B2B2B2383130B327B7B7B7B7B2B6B248B7B7B2508514511B256B2B2B2

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 2 –[1] Exterior etc.(1)1 CCNW-4955XH02 AL C Speaker ass’y2 GCABE2411XHSA AX D Left upper ca

FO-DC500U– 3 –[3] Exterior etc.(3)[2] Exterior etc.(2)PARTS PRICECODE RANKUKOG-0238FCZZ BB*a: FLOILPARTS PRICECODE RANKUKOG-0238FCZZ BB*a: FLOIL203031

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 4 –[2] Exterior etc.(2)1 CROLP2320XH01 AZ C Pinch roller ass’y2 GCOVA2460XHSA BB C Upper co

FO-DC500U– 5 –[5] Document guide upper unit[4] Operation panel unit1826242290190229344625B1B1B4281269823231921161512111317142736435107B2B2B2B220B3B233

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U[4] Operation panel unit1 GCABA2406XHSA AP N D LCD case,upper2 GCABB2408XHSA AQ D LCD case,un

FO-DC500U– 7 –[7] Frames[6] Scanner frame unitPARTS PRICECODE RANKUKOG-0238FCZZ BB*a: FLOIL335534(FO-45VS)B1B2E1B1B1B1B1B22832121215242016102311116141

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U[6] Scanner frame unit1 CBSHP2079XH02 AZ C Scanner feed clutch2 LBSHP2113XHZZ AH C DR bearing

FO-DC500USTORING AUTO DIAL NUMBERS1. Press MENU , and then or until ENTRY MODE is se-lected in the display..2. Press START/ENTER . Make sure that

FO-DC500U– 9 –[9] Fusing unit[8] Paper transport sectionPARTS PRICECODE RANKUKOG-0235FCZZ BC*b: GREASESL1PWB-GPE17312468592321222024252626191813141413

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 10 –[8] Paper transport section1 0KW4127301902 AD C Tension spring2 0KW4127302601 AD C Cam3

FO-DC500U[10] Drive/Transfer unit1 0KW4127201302 AC C Torsion spring2 0KW4109630501 AN C Interlock switch [S2]3 0KW4127048301 BC E I/C guide assy4 0KW

FO-DC500U[11] Packing material & Accessories1 TINSE4302XHTZ AR N D Operation manual2 TLABP391EXHZZ AE D Paper size labels3 TLABZ392EXHZZ AD D Rapi

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 13 –[12] Control PWB unit1 UBATL2071XHZZ AL B Battery(CR2450) [BAT1]2 RR-TZ3012SC00 AB C Bl

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 14 –[12] Control PWB unit81 VCKYTV1CF225Z AD C Capacitor(16WV 2.2µF) [C141]82 VCKYCY1AF105Z

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 15 –[12] Control PWB unit161 VCKYCY1EF104Z AA C Capacitor(25WV 0.1µF) [C272]162 VCKYCY1EF10

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 16 –[12] Control PWB unit241 VCEAEA1CW107M AC C Capacitor(16WV 100µF) [CE5]242 RC-EZ3088XHZ

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 17 –[12] Control PWB unit321 VHIBA10393F-1 AC B IC(BA10393F) [IC23]322 RH-IX2293XHZZ BU B I

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 18 –[12] Control PWB unit401 VRS-CY1JB000J AA C Resistor(1/16W 0Ω ±5%) [R100]402 VRS-CY1JB0

FO-DC500UOutput Voltage limits Note+5V MAIN 4.947V~5.25V CN5 7pin ↔ 8pin+24V SUB 23.04V~24.96V CN5 1pin ↔ 2pinCHAPTER 2. ADJUSTMENTS[1] AdjustmentsGen

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 19 –[12] Control PWB unit481 VRS-CY1JB330J AA C Resistor(1/16W 33Ω ±5%) [R200]482 VRS-CY1JB

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 20 –[12] Control PWB unit561 VRS-CY1JB472J AA C Resistor(1/16W 4.7KΩ ±5%) [R294]562 VRS-CY1

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 21 –[12] Control PWB unit641 VRS-CY1JB000J AA C Resistor(1/16W 0Ω ±5%) [R418]642 VRS-CY1JB0

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U– 22 –[12] Control PWB unit721 VRS-CY1JB103J AA C Resistor(1/16W 10KΩ ±5%) [R519]722 VRS-CY1J

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U[13] LIU PWB unit16 VCQYNA1HM333K AA C Capacitor(50WV 0.033µF) [C16]17 VCEAGA1HW107M AA C Cap

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U[14] Printer PWB unit29 VCKYCY1HB102K AA C Capacitor(50WV 1000PF) [C148]30 VCKYCY1HB102K AA C

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U[14] Printer PWB unit109 VRS-CY1JB330J AA C Resistor(1/16W 33Ω ±5%) [R149]110 VRS-CY1JB472J A

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U[15] Power supply PWB unit69 0AV3001015500 AC B Transistor(2SA1015) [Q704]70 0AV3040303000 AN

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONFO-DC500U[15] Power supply PWB unit149 0AV3160036000 AQ B Triac(BCR16PM-12LP-AA) [TR701]150 0AV5190002

No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODEFO-DC500U– 28 – I n d e x[C]CBSHP2079

FO-DC500U[2] Diagnostics and service soft switches1. Operating procedureTwo kinds of diagnoses are supported.1-1. Fax diagnosisThis diagnosis is conce

No.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODEFO-DC500U– 29 –RC-FZ3039XHZZ 14-36 AB C

No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODEFO-DC500U– 30 –VCKYCY1EF104Z 12-136 A

No.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODEFO-DC500U– 31 –VRS-CY1JB000J 12-469 AA

No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODEFO-DC500U– 32 –VRS-CY1JB271J 12-425 A

No.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODEFO-DC500U– 33 –XEBSD30P10000 4-B3 AA C

No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODEFO-DC500U0KW4127411101 10-34 AD C0KW4

1 – 2FO-DC500UNo part of this publication may be reproduced,stored in a retrieval system, or transmitted inany form or by any means, electronic, mecha

FO-DC500U2. Diagnostic items description2-1. Fax diagnosisA) Soft switch modeIn this mode, the soft switch are set and the soft switch list is printed

FO-DC500UE) Aging modeThis is a mode to execute the copying action and the check patternprinting action once every 60 minutes and continue the action

FO-DC500UM) All FAX/TEL. entry modeThis is a function to copy the FAX and TEL numbers registered in theone-touch dialing (RAPID) key [01] to the all o

1 – 2FO-DC500UCONTENTS• CAUTION FOR BATTERY REPLACEMENT• PRECAUTIONS FOR USING LEAD-FREE SOLDERCHAPTER 1. GENERAL DESCRIPTION[1] Specifications . . .

FO-DC500US) Dial test modeThe mode is used to inspect whether dialing is accurate in two kinds ofdial modes . All data which can be dialed in this mod

FO-DC500U2 – 7Rapid key 02: Check pattern 1The lateral stripe 2 pattern is printed on one sheet.(Black 2 line and white 2 line are repeated.)Rapid key

FO-DC500U2 – 8Rapid key 11: Life entry mode(For Serviceman temporary counter)The mode is used to set a desired value for the judgment value (alarmjudg

FO-DC500U2 – 93. How to make soft switch settingTo enter the soft switch mode, make the following key entries in sequence.PressMENU9 8 7 START ASTART

FO-DC500U4. Soft switch description• Soft switchSWNO.DATANO.ITEMSwitch setting and functionRemarksInitialsetting101 Recall interval Binary input 8 4 2

FO-DC500U1 JBIG (Joint Bi-level Image Group) On Off 12 JBIG (Joint Bi-level Image Group) option On Off 03 MMR On Off 14MR On Off 1SW6Modem speed V.33

FO-DC500U1 Memory retransmission times Binary input 8 4 2 1 1 OPTION2 No. = 1 2 3 4 (Data No.) 03 EX 1010 1SW104 eg. Retransmission time set to 10 tim

FO-DC500U1 Reserved 02 Reserved 03 Reserved 0SW154 Reserved 0Cl Signal OFF detect enable time(ms)200 300 350 400 500 700 12005 No. 5 0 0 0 0 0 0 0 06

FO-DC500U1 Reserved 02 Reserved 03 Reserved 0Busy tone detection frequency520~640Hz 300~600Hz 380~500HzReserve ReserveSW214 No. 4 0 0 0 0 1 05 No. 5

FO-DC500U1 Reserved 12 Reserved 03 Reserved 1SW284 Reserved 15 Reserved 16 Reserved 07 Reserved 08 Reserved 01 Reserved 02 Reserved 03 Reserved 0SW294

1 - 3FO-DC500U(Danish) ADVARSEL !Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering.Udskiftning må kun ske med batteri af samme fabrikat og type.

FO-DC500U1 Reserved 12 Reserved 13 Reserved 0SW344 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 0For ForU.S.A. Canada1 Reserved 002 Reserv

FO-DC500U2 – 171 Reserved 12 Reserved 03 Reserved 0SW404 Reserved 05 Reserved 16 Reserved 17 Reserved 08 Reserved 01 Reserved 12 Reserved 03 Reserved

FO-DC500U2 – 18Switch setting and functionSWNO.DATANO.ITEMRemarksInitialsetting101 Reserved 02 Reserved 03 Reserved 0SW464 Reserved 05 Reserved 06 Res

FO-DC500USwitch setting and function1 Reserved 02 Reserved 03 Reserved 0SW524 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 01 Reserved 02

FO-DC500U1 Reserved 02 Reserved 03 Reserved 0SW584 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 01 Reserved 02 Reserved 03 Reserved 0SW594

FO-DC500U1 Header registration On Off 02 Reserved 03 Continuous serial polling On Off 0Time interval for continuous serial polling OPTIONSW640 min. 30

FO-DC500U1 Reserved 12 Reserved 03 Reserved 0SW694 Reserved 15 Reserved 06 Reserved 17 Reserved 18 Reserved 01 Reserved 12 Reserved 03 Reserved 1SW704

FO-DC500U1 Copy protect switch On Off 02 Cut-off mode (when copy mode) Continue Cut-off 0 OPTION3 Scanning ratio in memory input 1 : 1 Reduce 0Memory

FO-DC500U1 Reserved 12 Reserved 03 Reserved 1SW814 Reserved 15 Reserved 16 Reserved 17 Reserved 18 Reserved 11 Reserved 02 Reserved 13 Reserved 0SW824

FO-DC500UDefault file format TIFF TIFF-F PDF1 No. 1 0 1 0 02 No. 2 0 0 1 0G4 G3-1dUNCOMPRESSEDSW883 No. 3 1 0 0 14 No. 4 0 1 0 0The default resolution

FO-DC500U<IMPORTANT PLEASE READ FIRST>To avoid problems with supplies, please don’t use supplies from other units. Please use new supplies, when

FO-DC500U1 Reserved 02 Reserved 03 Reserved 0SW944 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 01 Reserved 02 Reserved 03 Reserved 0SW954

FO-DC500U• Soft switch function descriptionSW1 No. 1 ~ No. 4 Recall intervalChoice is made for a recall interval for speed and rapid dial numbers.Use

FO-DC500U2 – 28SW6 No. 4 MRMR (Modified READ) selects presence of the compression function.SW6 No. 5 ~ No. 8 Modem speedUsed to determine the initial

FO-DC500U2S4S1.5S3S1S4S1.5S4S0.8S4S0.3S4S0.4S4S1S3.5S0.5S3S0.5S3S2S2S0.5S0.5S1S0.2S0.8S0.4S0.3S0.2S0.4S 0.8S0.2S 0.2S1S0.5S1S 0.5S0.5S0.5S0.5S1S0.5S0.

FO-DC500USW37 No. 1 ~ No. 5 ReservedSet to "0".SW37 No. 6 ReservedSet to "1".SW37 No. 7 ReservedSet to "0".SW37 No. 8 Re

FO-DC500U2 – 31SW48 No. 8 ReservedSet to "1".SW49 No. 1 ReservedSet to "1".SW49 No. 2, No. 3 ReservedSet to "0".SW49 No.

FO-DC500U2 – 32SW66 No. 1, No. 2 ReservedSet to "0".SW66 No. 3 ReservedSet to "1".SW66 No. 4, No. 5 Cassette selection of separate

FO-DC500U2 – 33SW74 No. 5 ~ No. 8 Department ID digitUsed to set the department ID digit number .When set to "D" , the number is "4&quo

FO-DC500U2 – 34SW86 No. 1 ~ No. 8 ReservedSet to "0".SW87 No. 1 File name (Unique identifier)The file names of the E-MAIL notice and files f

FO-DC500U3 – 1CHAPTER 3. MECHANICAL DESCRIPTION[1] Mechanical description1. Facsimile block1-1. Document feed block and diagramFig. 12. Document feed

FO-DC500U[3] Operation panel (1)DisplayThis displays messages and prompts to help you operatethe machine.TONER indicatorThis blinks when the toner car

FO-DC500U3 – 2[2] Printer description1. COMPONENTS LAYOUTFig. 1123456 7 891011121314151718 1. Scanner Drive Roller 2 2. Operation Panel 3. CIS Unit

FO-DC500U3 – 33. PRINTER ENGINE ELECTRICAL COMPONENTS LAYOUTFig. 3H1PS3TH1TS1M2M1PWB-BPWB-APWB-GPWB-DPS1PS5APS5BSL1S2HV1PS4PE1M3Symbol Name FunctionPW

FO-DC500U3 – 45. PAPER PATHPaper can be fed into the printer from the Multi Purpose Tray (250 sheets)or from the Manual Feed Port (1 sheet).Installing

FO-DC500U3 – 5Fig. 7Fig. 88. LASER EXPOSURELaser exposure is the process of creating an invisible static charge im-age on the PC Drum by the laser bea

FO-DC500U3 – 6Fig. 9Fig. 1010. IMAGE TRANSFER10-1. Overview· Image transfer is the process of transferring the toner image createdon the PC Drum in th

FO-DC500U3 – 712. PRINT SEQUENCEPrinting is carried out following communication between the engine andcontroller that determines the timing to be used

FO-DC500U3 – 813. Timing chart13-1. Print Starting13-2. Print EndingFig. 14Fig. 15OFFOFFOFFOFFOFFOFFOFFOFFONONONONDC ChargeONONONAC ChargeDC ChargeCha

FO-DC500U3 – 9[3] Disassembly and assembly procedures• This chapter mainly describes the disassembly procedures. For the assembly procedures, reverse

FO-DC500U3 – 10Parts list (Fig. 2)Fig. 22 Rear cabinet1234523HOOK4544444HOOKHOOK11 Main unit 12 Screw (3×10) 13 ROM cover 14 Screw (3×10) 65 Rear cabi

FO-DC500U3 – 11Fig. 3Parts list (Fig. 3)3PWB plate, Right cabinet1234512322LIU PWBPrinter PWBControl PWB445HOOKHOOKHOOK11 Main unit 12 Screw (3×6) 63

FO-DC500U1 – 315TIMER keyPress this key to set a fax operation to be performedautomatically at a later time.COVER SHEET keyPress this key to include a

FO-DC500U3 – 12Parts list (Fig. 4)Fig. 412345612222576Printer PWBPrinter PWBPrinter PWBControl PWBControl PWBControl PWBLIU PWB44444444734 PWB unitNo.

FO-DC500U3 – 13Parts list (Fig. 5)Fig. 55 Operation panel unit, Upper cover unit123456413356123431 Main unit 12 Screw (3×10) 13 Screw (3×6) 64 Operati

FO-DC500U3 – 146Fig. 6Front left frame, Paper feed trayParts list (Fig. 6)1234567891415101112131718191132345227118912aa610HookInsert the Boss to cente

FO-DC500U3 – 15Fig. 77 Rear left frame, Bottom left frameParts list (Fig. 7)Fig. 88Inner left cabinet unitParts list (Fig. 8)1234512423521 Main unit 1

FO-DC500U3 – 16Fig. 99 Power supply PWBParts list (Fig. 9)12345678132242258765531 Main unit 12 Screw (3×6) 43 Connector 44Power supply PWB unit15 Scre

FO-DC500U3 – 1710Parts list (Fig. 10)Fig. 10Scanner frame unit (1/2)1 Scanner frame unit 12 Screw (3×8) 13 Operation panel unit 14 Screw (3×10) 55 Scr

FO-DC500U3 – 1811Fig. 11Scanner frame unit (2/2)Parts list (Fig. 11)1 Scanner frame unit 12 Transfer bearing 23 Feed gear (49z) 24 DR bearing 25 Scann

FO-DC500U3 – 191 Operation panel unit 12 Screw (3×10) 33 Document guide upper unit 14 Release lever 15 Release lever spring 16 Screw (3×10) 27 Documen

FO-DC500U3 – 20Fig. 1313 Upper coverParts list (Fig. 13)567891011161718192021221213141512342223212019181667111211311411442213101751588923242413 Upper

FO-DC500U3 – 2114Wire treatmentFig. 14Parts list (Fig. 14)RibRib11345CN4CN10CN7CN8CN15CN5CN9CN12CN14CN3CN13CN2CNPWCN6Printer PWBControl PWB11115 4323

FO-DC500U[4] Transmittable documents1. Document Sizes* With special sizes, only one sheet can be fed into the machine at atime. Insert next page into

FO-DC500U3 – 22bcdehfghdefaabcgHigh voltagePWB(HV1)CN1CN3Cooling FanMotorFig. 1515High voltage PWB unit (HV1)1. Remove the Cooling Fan Motor.(2 screws

FO-DC500U3 – 2316Main motor (M1)Fig. 161. Remove the gear plate.(4 screws)2. Remove 2 gears.3. Remove the left side plate. (4 screws and 1 connector)5

FO-DC500U3 – 24Fig. 181. Place the printer with its backside down.2. Unhook the spring and remove the right-hand side of the PaperTake-up Roller shaft

FO-DC500U3 – 2520Fusing unit (1/2)Fig. 201. Remove the Fusing unit. (3 screws, 3 connectors)NOTE:• The Fusing Unit is to be replaced as a unit at abou

FO-DC500U3 – 26Fig. 2121Fusing unit (2/2)Heater LampVoltage Mark8. Remove the lamp holder. (2 screws)9. Pull out the Heater Lamp (H1). NOTE:• Use car

FO-DC500U4 – 1CHAPTER 4. DIAGRAMS[1] Block diagramLithium Battery+5V/+24VPower supply UnitSH7706(SH-3) SCIF RS-232CDriverexternal 33MHzOnly for Firmwa

FO-DC500U[2] Wiring diagram4 – 2MEMORY PWBVERIFICATIONSTAMPCISUNITM2COOLINGFANMOTORTS1THERMOSTATH1 HEATERLAMPS2 INTERLOCKSWITCHCNPRT1CNOP1CNTXM1CNCIS1

FO-DC500U[3] Point- to-point diagram and connector signal name (1)4 – 3CNSTP1VSTP/STPON12CNSP1SP+SP–SP+SP–1212CNSEN11234567812345678/FRTSDG/ORGSDG/B4F

FO-DC500UPoint- to-point diagram and connector signal name (2)4 – 4PCREWRITINGVERSION UPFLASH ROMCNRS112345CDRDTDDTRGND12345CDRDTDDTRGND16151413121110

FO-DC500U5 – 12. Description of each block(1) Main control blockThis block consists of 32 bit RISC microcomputer HD6417706F133 (maincomponent), flash

FO-DC500U[5] Installation1. Site selectionTake the following points into consideration when selecting a site for thismodel.ENVIRONMENT• The machine mu

FO-DC500U5 – 2Fig. 2 HD6417706F133 BLOCK DIAGRAMMMUCPUSCITMURTCSCIFADCDACUBCAUDBSCDMACCMTI/O PORTEXTERNAL BUSINTERFACELegend:ADC:AUD:BSC:CACHE:CCN:CMT

FO-DC500U5 – 3PIN I/O Name Function1 — Vcc-RTC*1RTC power supply (1.9 V)2 O XTAL2 On-chip RTC crystal oscillator pin3 I EXTAL2 On-chip RTC crystal osc

FO-DC500U5 – 4PIN I/O Name Function101 I/I/O IOIS16-/PTD[5] IOIS16(PCMCIA)/input port D102 O BACK- Bus acknowledge103 I BREQ- Bus request104 i WAIT- H

FO-DC500U5 – 5Fig. 3 LC272D0BT-WA6 BLOCK DIAGRAM4) LC272D0BT-WA6 (IC6): pin-216, QFP (MAIN ASIC)The device is the embed-array, which has the following

FO-DC500U5 – 6LC272D0BT-WA6 (IC6) Terminal description (1/2)PIN I/O Name Function PIN I/O Name Function1 VSS Ground 55 P VSS Ground2 B D7 Data bus 56

FO-DC500U5 – 7LC272D0BT-WA6 (IC6) Terminal description (2/2)PIN I/O Name Function PIN I/O Name Function109 P VSS Ground 163 P VSS Ground110 I TEST0 Te

FO-DC500U5 – 85) LC24199B-WJ0-E (IC21): pin-208, QFP (SUB ASIC)The device is the gate-array, which has the following functions. PCU (Print Control Uni

FO-DC500U5 – 9LC24199B-WJ0-E (IC21) Terminal description (1/2)PIN I/O Name Function PIN I/O Name Function1 P VSS 53 P VSS Ground2 Not connect 54 N.C N

FO-DC500U5 – 10LC24199B-WJ0-E (IC21) Terminal description (2/2)6) SM8578BV (IC22): pin-8, SOP (Real time clock IC)It is oscillated with the quartz osc

FO-DC500U5 – 11(3) Modem blockThe block is mainly composed of the G3 FAX modem FM336PLus (IC30),and is provided with the following modem function.1) G

FO-DC500U3. Installing the print cartridges(Toner cartridge: FO-50ND)(Drum cartridge: FO-47DR)Follow the steps below to install or replace the toner a

FO-DC500U5 – 12Notes:1. Modulation legend: TCM: Trellis-Coded Modulation QAM: Quadrature Amplitude Modulation PCM: Pulse Coded ModulationFSK: Frequenc

FO-DC500U5 – 13PIN I/O Name Interface1 — RESERVED NC2 IA RS2 HOST Interface3 IA RS3 HOST Interface4 IA RS4 HOST Interface5 IA /CS OHOST Interface6 IA

FO-DC500U5 – 14(5) Speaker amplifierThe speaker amplifier monitors the line under the on-hook mode, out-puts the buzzer sound generated by SUB ASIC, r

FO-DC500U5 – 15Pin name Pin No. Pin DescriptionVBB 1, 14 Output stage power-supply voltageSENSE1 2 Set current detection pins.SENSE2 13 Connect these

FO-DC500U5 – 16SURGEPROTECTIONCIRCUITHSDETECTORDIODEBRIDGEACTIVECHOKEHILOCIDETECTOR+5VTXA2MODEM(FM336PLUS)RINSPKRTXA1VREFRXINRXINTXOUTCONTROLLIUHIHIHI

FO-DC500U5 – 17[SIgnals for status recognition according to input signals]Signal Name FunctionXCI0XEXHS0Incoming call (CI) detection signalH: The hand

FO-DC500U5 – 18PLTSWSEN[7:0]LD[7:0]LEDEN1LEDEN2YDLPXCKMDISPD[3:0]PAGE PLATE SWKEY MATRIX(10 x 8)LED PWBLCD RELAY PWBLCD(320 x 240 DOTS LCD)LS145HC174H

FO-DC500U5 – 19[6] Circuit description of power supply PWBThis unit supply input AC 120 V/60 Hz, +24 V, +5 V as block diagramshows. (See Fig. 12)+5 VA

FO-DC500UAABBCCDD654321DGVss-PLL+3.3VSHAVcc-PLL+1.9VDSHADG+3.3VDG+3.3V+3.3VDGDGDG+5VDGDG+3.3VSHASHADGDG+3.3V+3.3VDG+3.3V+3.3VDGSHADGSHADG+1.9VDDG+3.3V

FO-DC500U6 – 21/12EEFFGGHH654321A16A18A19A3A4A22A14A12A20A24A2A17A21A9A15A7A13A8A23A25A11A5A10A0A1A6D31D9D23D3D4D20D1D14D29D30D10D11D22D12D13D25D27D8D