Sharp FO-DC550 Wartungshandbuch

CONTENTSParts marked with “ ” are important for maintaining the safety of the machine. Be sure to replace these partswith the replacement parts specif

FO-DC550 SPECIFICATIONS 2 - 47. Basic specifications (FAX section)Large item Middle item Small item Sub item SpecificationsCommunication systemElect

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2348 01 Main scan/sub scan direction magnification ratio (COPY MAG.)[Function]Used to adj

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2449 01 Download mode (DOWNLOAD MODE)[Function]When this test command is executed, "

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2550 01 Lead edge image position (LEAD EDGE)[Function]Used to adjust the copy image posit

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2650 06 Copy lead edge position adjustment (SPF/RSPF) (SPF/RSPF EDGE)[Function]Used to ad

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2750 18 Memory reverse position adjustment in duplex copy (DPLX REVERSE)[Function]When th

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2851 02 Resist amount adjustment (RESIST ADJ.)[Function]Used to adjust the contact pressu

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2963 01 Shading check (SHADING CHK)[Function]Used to display the detection level of white

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3064 01 Self print (1by2 mode) (SELF PRT.)[Function]The status of the optical section is

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3166 03 FAX PWB memory check [Function]Use to check the FAX PWB memory.[Operation]04 Sign

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3266 05 Signal send mode (Soft SW set value)[Function]Use to set the signal send mode (So

FO-DC550 SPECIFICATIONS 2 - 5Send functions Document scan functionDocument size Max. document width Inch series: 8.5"AB series: 210mmMax. docum

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3366 11 300bps signal send (Max. value)[Function]Use to set the 300bps signal send (Max.

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3466 13 Dial test [Function]Use to the dial test.[Operation]17 DTMF signal send (Max. val

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3566 18 DTMF signal send (Soft SW set value)[Function]Use to set the DTMF signal send (So

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3666 32 Receive data check [Function]Use to check the receive data.[Operation]33 Signal d

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 3766 38 Time setting/check [Function]Use to check the time setting.[Operation]41 CI signa

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 385. FAX soft switch setting change quick reference tableLarge item Middle item Switch co

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 396. Soft switch list∗When outside the set range, the default value is automatically set.

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 40SW51 Inhibited to use 02 03 G3 send data accumulation wait timeBit No. 3 46sec06sec 0 0

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 41SW101 Measurement of communication time (image)1: Yes 0: NoYes 12 Sender’s telephone nu

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 42SW151 Busy tone detection time (Lower limit)1: 350ms 0: 250ms250ms 02 Busy tone detecti

FO-DC550 SPECIFICATIONS 2 - 6Send functions Application send functionManual send function This function allows to switch to FAX manually when off-ho

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 43SW201 Line sound monitor rangeBit No. 1 2OFF0When a value outside the set range is set,

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 44SW261 Read completion sound 1: Mute 0: 1sec 1sec 02 Inhibited to use 03 Speaker volume

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 45SW311 Report output (in transmission)Bit No. 1 2Only when transmission is failed.1Refer

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 46SW351 Cover function default setup1: Yes 0: NoNo 02 Answering telephone connection1: Ye

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 47SW411 Number of times of recall in busyBinary input2 times0Refer to User program “RECAL

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 48SW461 Specification of print sequence in duplex print1: Print order (214365...) 0: Rece

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 49SW511 DTMF send level (High group) setupBinary input–6dBm0 When a value outside the set

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 50SW571 Inhibited to use 02 Sharp machine mode 1: ON 0: OFF ON 13 Inhibited to use 04 Rec

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 51SW631 CI receive number to shift to non-V.34 communicationBit No. 1 22 times1Does not s

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 52SW701 Inhibited to use 02 13 04 Reception waiting time between frames1: 4.4sec 0: 3.4se

FO-DC550 SPECIFICATIONS 2 - 7Receive functions systemReceive document output functionAuto reduction/ divided receive functionAuto reduction function

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 53SW751 Inhibited to use 02 03 Communication end sound (Buzzer sound length) settingBit N

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 54SW821 OC scan size default settingBit No. 1234LETTER0Refer to User program “OC SIZE PRI

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 55SW891 Inhibited to use 02 03 14 15 16 17 18 1SW901 Inhibited to use 12 13 14 15 16 17 1

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 56SW951 Inhibited to use 02 13 14 15 06 07 08 0SW961 Inhibited to use 12 13 04 15 16 07 0

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 57SW1021 Scan effective image area main scan left edge image loss (OC)Binary input96 dots

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 587. Soft switch descriptionsSW1 No.1, No.2 Image quality priority selectionUsed to selec

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 59SW6 No.3 CSI transmissionUsed to set YES/NO of CSI signal send.CSI signal includes the

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 60SW12 No.1–No.4 Call time setup in automatic transmission (T0 timer setup)Used to set ca

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 61SW24 No.6 Document output setup in receptionUsed to set the document output procedure;

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 62SW35 No.2 Answering telephone connectionUsed to set whether the functions of answering

FO-DC550 SPECIFICATIONS 2 - 8Memory functions systemMemory outline Memory capacity Standard memory 2MBOption NoDocument quantity to be storedA4 stan

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 63SW45 No.1 FAST modeUsed to set whether FAST function is enabled or not.Default: 0 (No)S

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 64SW52 No.8 V.34 control channel communication speedUsed to set control channel communica

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 65SW63 No.3–No.5 CI send number to shift to non-V.34 communicationUsed to set CI send num

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 66SW79 No.1–No.8 Print magnification ration adjustment (sub scan)Used to set sub scan mag

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 67SW103 No.5–No.8 Scan effective image area sub scan rear edge image loss (OC)Used to set

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 68E1 16 Content IMC DIMM memory read/write check errorDetail An installation error occurs

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 69H2 00 Content Thermistor openDetail The thermistor is open.The fusing unit is not insta

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 709. Communication error codesA. Error code identificationCommunication error xx (xxxx)(I

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 71<Communication result codes>(Note) For error codes 16 – 31, V.34 mode communicati

FO-DC550 MAINTENANCE 11 - 1[11] MAINTENANCE1. Maintenance table: Check (Clean, adjust, or replace when required.) : Clean : Replace : Adjust✩: Lubri

FO-DC550 CONSUMABLE PARTS 3 - 1[3] CONSUMABLE PARTS1. Supply system table2. EnvironmentalThe environmental conditions for assuring the copy quality

FO-DC550 USER PROGRAM 12 - 1[12] USER PROGRAMThe user settings consist of the following items.1. User programsA. Copy modeProgramnumberProgram nameS

FO-DC550 USER PROGRAM 12 - 2B. Print mode*1: The scanning speed increases when the USB 2.0 mode is set to "HI-SPEED", however, the printin

FO-DC550 USER PROGRAM 12 - 37 PRINT SELECTION 1: ALWAYS PRINTS2: ERROR ONLY3: NEVER PRINTS3: RECEPTIONSelect the condition for printing reports on r

FO-DC550 USER PROGRAM 12 - 42. Selecting a setting for a user program1) Press the [MENU] key and then press the [ENTER] key.In printer mode, the use

FO-DC550 ELECTRICAL SECTION 13 - 1[13] ELECTRICAL SECTION1. Block diagramA. Overall block diagramCarriage Unit OptionalCCD PWB12V 12VRegA5V 3.3VRG8b

FO-DC550 ELECTRICAL SECTION 13 - 22. Circuit descriptionsA. Main PWB (MCU)(1) GeneralThe MCU PWB is composed of: • CPU peripheral section which perf

FO-DC550 ELECTRICAL SECTION 13 - 3(3) Image process ASIC (HG73C114HF)a. GeneralThe ASIC is composed of the three blocks: the image process block,the

FO-DC550 ELECTRICAL SECTION 13 - 4b. ASIC (Signal table)PIN No.Signal Name IN/OUT Connected to Description1 cpudata7 IN/OUT CPU CPU data bus2 cpudat

FO-DC550 ELECTRICAL SECTION 13 - 592 op_clk OUT Tr array IC Operation circuit clock signal93 VCC_AC Power94 scanstop IN CPU Scan stop signal95 testp

FO-DC550 ELECTRICAL SECTION 13 - 6165 mdat00 Not used166 mdat01 Not used167 mdat02 Not used168 mdat03 Not used169 VCC_core Power170 mdat04 Not used1

FO-DC550 CONSUMABLE PARTS 3 - 23. Production control number (lot No.) identification<Developing cartridge>* Destination<Drum cartridge>T

FO-DC550 ELECTRICAL SECTION 13 - 7(4) Reset circuitThis circuit detects ON/OFF of the power source, and controls start/stop of each circuit. The vol

FO-DC550 ELECTRICAL SECTION 13 - 8(5) Heater lamp control circuita. OutlineThe heater lamp control circuit detects the heat roller surface tempera-t

FO-DC550 ELECTRICAL SECTION 13 - 9(7) Toner motor control circuitThe IC32 is the motor drive IC, which generates pseudo-AC wave-forms by the pulse s

FO-DC550 ELECTRICAL SECTION 13 - 10C116820p12C117820p12C118820p12C1210.1u12C115820p12C1190.1u12R921.5kJ21R900.68J1W21R9430kJ21R9530kJ21R911.5kJ21R89

FO-DC550 ELECTRICAL SECTION 13 - 11(10) OPE PWBa. OutlineThe operation circuit is composed of the LCD control circuit, the keymatrix circuit, the di

FO-DC550 ELECTRICAL SECTION 13 - 12Since the AC power is directly rectified, if there were not this rush cur-rent prevention resistor (TH001), an ex

FO-DC550 CIRCUIT DIAGRAM 14 - 1[14] CIRCUIT DIAGRAM1. MCU PWBMCU PWB (CPU section)C240.1uC412pR11 10kJR50JBR2033J12348765R1811kFC2547pR2010kFBR2133J

FO-DC550 CIRCUIT DIAGRAM 14 - 2C9 0.1uC14 0.1uBR810kJ12348765BR1010kJ12348765BR510kJ12348765H8S/2321P35/SCK164P34/SCK063P33/RxD162P32/RxD061P31/TxD1

FO-DC550 CIRCUIT DIAGRAM 14 - 3AABBCC4321(14-D3)(1-D2),(14-D3)(14-A3)(14-A4)(14-D3)(14-A2)(14-A2)(14-D3)(14-D3)(14-A2)(14-A2)(14-A2)(14-A2)(5-B1)(5-

FO-DC550 CIRCUIT DIAGRAM 14 - 4CCDDEE4321(1-B3)(1-A2)(1-A2)(12-A3)(4-C3)(4-C3)(4-C3)(4-C2)(4-C2)(4-D4)(5-B1)(5-B1)(5-B1)(5-B4)(5-B4)(5-B4)(5-B3)(5-B

FO-DC550 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 1[4] EXTERNAL VIEWS AND INTERNAL STRUCTURES1. Appearance2. Internal1 Document glass 2 FAX operat

FO-DC550 CIRCUIT DIAGRAM 14 - 5MCU PWB (Memory section)R48 0JC740.1uR51 0JR47 10kJIC7Flash ROMA025A124A223A322A421A520A619A718A88A97A106A115A124A133

FO-DC550 CIRCUIT DIAGRAM 14 - 6C770.1uC780.1uC790.1uC800.1uC810.1uC820.1uC760.1uC399N.M.R4910kJIC6SDRAM (16bit x 4bank)A023A124A225A326A429A530A631A

FO-DC550 CIRCUIT DIAGRAM 14 - 7MCU PWB (Driver section 1)IC1574LCX574D12D23D34D45D56D67D78D89CLK11OC1Q119Q218Q317Q416Q515Q614Q713Q812VCC20GND10IC17N

FO-DC550 CIRCUIT DIAGRAM 14 - 8R61 100JC8547pIC1674VHCT2441A121A241A361A482A1112A2132A3152A4171G12G191Y1181Y2161Y3141Y4122Y192Y272Y352Y43VCC20GND10I

FO-DC550 CIRCUIT DIAGRAM 14 - 9IC25TD62064AFI13NC4NC5I26NC10I311NC12NC13GND17O12O27O39O416COM1COM8GND18I414NC15IC21KID65001AF1B12B23B34B45B56B67B7E8

FO-DC550 CIRCUIT DIAGRAM 14 - 10R87240JR8810kJD2KDS226213IC22BKIA393F56784+-R687.5kFQ1KTA1505SIC24BKIA358F56784+-R831.2kFR714.3kFR784.7kJ1/4WR8510kF

FO-DC550 CIRCUIT DIAGRAM 14 - 11MCU PWB (Driver section 3)R108620JR104 2.4kJR1091.2kJR911.5kJR110100JR890.68J1WR1151kJR102750JC115820pC130OPENR921.5

FO-DC550 CIRCUIT DIAGRAM 14 - 12IC30TD62064AFI13NC4NC5I26NC10I311NC12NC13GND17O12O27O39O416COM1COM8GND18I414NC15C1290.1u/50VIC28TD62064AFI13NC4NC5I2

FO-DC550 CIRCUIT DIAGRAM 14 - 13MCU PWB (Noise filter/Pull-up section)C150OPENR1350.22J 2WC1760.1uC1930.1uC151OPENC1770.1uC152OPENC1650.1uC1780.1uR1

FO-DC550 CIRCUIT DIAGRAM 14 - 14R131 1kJR13939kJR15110kJR14010kJD14KDS226213R1523.3kJC1851000pR1194.7kJD15KDS226213R1487.5kJC1861000pC1701000pD16KDS

FO-DC550 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 23. Operation panel1 [MODE SELECT] key / Mode indicatorsPress this key to select the mode. The i

FO-DC550 CIRCUIT DIAGRAM 14 - 15MCU PWB (IMC2 section 1/2)R225BR69 150JX412345678C2830.1UR235 4.7KJBR7433JX412345678BR75 33JX412345678BR114 33JX4123

FO-DC550 CIRCUIT DIAGRAM 14 - 16C2690.1U5 33JC2700.1UC2570.1UL10ZJSR5101-102TAR2384.7KJC2800.1UIC39K4S561632DVSS54RAS18WE16CAS17VSS41VSS28VDD1VDD14V

FO-DC550 CIRCUIT DIAGRAM 14 - 17MCU PWB (IMC2 USB2.0 section 2/2)C3280.1UIC41ISP1581Vreg(RMO/RESET10EOT11DREQ12DACK13DDINT//BUS_CMORE/CS25/RD26/WR27

FO-DC550 CIRCUIT DIAGRAM 14 - 18R281 10KJVreg(3.3)4D-5D+6RPU7RREF8MODE19DIOR14DIOW15INTRQ16/CS117/CS018BUS_CONF19MODE020DA221READY22XTAL259XTAL160WA

FO-DC550 CIRCUIT DIAGRAM 14 - 19CN1B24B-PHDSS-B113355779911111313151517171919212123232244668810101212141416161818202022222424C2080.1u/50V12C2070.1u/

FO-DC550 CIRCUIT DIAGRAM 14 - 20C211 1000p12CN4B4B-PH-K-R11223344R16010kJ21C2051000p12R162 1kJ21C209 1000p12C210 1000p12CN228FE-BT-VK-N1122334455667

FO-DC550 CIRCUIT DIAGRAM 14 - 21MCU PWB (Connector section 3)R318150J1/4WCN14B3B-PH-K-S123CN8B3B-PH-K-S123R1774.7kJC2211000pR1781kJD37KDS2262135V 5V

FO-DC550 CIRCUIT DIAGRAM 14 - 22CN18B14B-PHDSS-B1357911132468101214C226 1000pC227 1000pC228 1000pPGND5V24VPPD3CED2PD2/CPFS2To 2nd. cassette(7-C4)(7-

FO-DC550 CIRCUIT DIAGRAM 14 - 23MCU PWB (IEEE1284Interface section)C2440.1uC2450.1uR326OPENC233100pC232100pC231100pC230100pCN3924FMN-BTK-A1234567891

FO-DC550 CIRCUIT DIAGRAM 14 - 24MCU PWB (Modem I/F Connector)C359OPENC366OPENR30610kJC363OPENC365OPENR357 N.M.C367OPENC368OPENC369OPENIC46NC7S32M5X1

FO-DC550 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 34. Motors and solenoidsNo. Part name Control signal Function / Operation1 Main motor MM Drives

FO-DC550 CIRCUIT DIAGRAM 14 - 25MCU PWB (Scanner I/F section)R16610kJC2150.1u/50VR1651kJCN3FF4-32-S15D5135791113151719212325272931246810121416182022

FO-DC550 CIRCUIT DIAGRAM 14 - 262. OPERATION PWBOPERATION PWB (LED/LCD Section)C332100pR333 100JR334 100JPMLLED311R3260JC331100pQ305KRA225S321C3271

FO-DC550 CIRCUIT DIAGRAM 14 - 27OPERATION PWB (KEY / Buzzer Section)R3222kJKEY318NM4KKEY325CLKKEY309SHPKR3202kJC317OpenC320OpenC334OpenD3011SS133KEY

FO-DC550 CIRCUIT DIAGRAM 14 - 28OPERATION PWB (Connector Section)CN303S3B-PH-K-S123C30347uF/16vC3240.1uC30247uF/16vC30147uF/16vCN30118FE-ST-VK-N123

FO-DC550 CIRCUIT DIAGRAM 14 - 293. POWER SUPPLYA12 34 56BCDEFGH12 34 56POWER SUPPLY (120V/127V)

FO-DC550 CIRCUIT DIAGRAM 14 - 3067891011126789101112ABCDEFGH1/1

FO-DC550 CIRCUIT DIAGRAM 14 - 314. FAX MAIN PWBAABBCCDDEE4 43 32 21 1FAX MAIN PWB (TEL/LIU) 1/6Primary side Secondary sideL1L2(2125)ABITCLKASPCLKARX

FO-DC550 CIRCUIT DIAGRAM 14 - 3244332211D DC CB BA AFAX MAIN PWB (SPEAKER) 2/6SPOUTVOL_BVOL_AVOLCNT_AVOLCNT_BSPMUTEBZVOL_CSPOUT+5VAGAGAG+5VAG+5V+5VV

FO-DC550 CIRCUIT DIAGRAM 14 - 3344332211D DC CB BA AFAX MAIN PWB (SRAM & FLASHROM(16M)) 3/6A4A7A18A14A19A8A13A5A12A17A10A3A9A15A16A6A11A20A2A1D5

FO-DC550 CIRCUIT DIAGRAM 14 - 3477665544332211D DC CB BA AFAX MAIN PWB (MN195006Q) 4/6A11A10A9A8A7A6A5A4A3A2A1A0D1D3D2D4D6D7D0D5A[21:0]CS_MLOELMCLOC

CAUTION This laser radiation is not a danger to the skin, but when an exact focusing of the laser beam is achievedon the eye’s retina, there is the

FO-DC550 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 45. Sensors and switchesNo. Name Signal Type Function Output1 Scanner unit home position sensorM

FO-DC550 CIRCUIT DIAGRAM 14 - 358877665544332211D DC CB BA AFAX MAIN PWB (ASIC_NEW_CILF) 5/6A2A1A0A3A5A6A7A4A8A9A12A14A16A17A13D1D3D5D7A19A20D4MCU_D

FO-DC550 CIRCUIT DIAGRAM 14 - 368877665544332211D DC CB BA AFAX MAIN PWB (MCU I/F) 6/6MCU_D2MCU_D3MCU_D4MCU_D6MCU_D7MCU_D1MCU_D5MCU_D0PB_D2PB_D5PB_D

FO-DC550 CIRCUIT DIAGRAM 14 - 375. FAX OPERATIONFAX OPERATION PWBKEY415OT4KKEY406SFTKD4031SS133KEY410REPKKEY403OT7KD4011SS133KEY411FDUPKKEY413OT2KKE

FO-DC550 CIRCUIT DIAGRAM 14 - 386. ACTUAL WIRING DIAGRAMP-GND3.3VIN7PODHLGRID13TCGYORGYWH/BIAS/TC2HLN612PODD-GND15172CN1924VP-GND 24ORGYRDBK24VP-GND

FO-DC550 CIRCUIT DIAGRAM 14 - 3924Vmir24VmirD-GNDSDSWSPIDSB4B5V/SPUSSPMT-1SPMT-3SPMT-2SPMT-024V365124LEDSPPDSPPD/SPUS5VSB4BSPIDSDSWD-GND24V232119212

FO-DC550 CIRCUIT DIAGRAM 14 - 40102218161239282132024176MCUPWBCN161451215411137191234567891011121314151617181920212223242625MDM_IRQPB_NAE0PB_ADDR1PB

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 1[15] FIRMWARE DOWNLOAD PROCEDURES[Preparation]Write the download data (extension .dwl) into the main uni

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 24) PC side: Check that the "Simulation Command List" tree is dis-played on the integration mai

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 3Note: When another machine is connected, connect the USB cableagain and select "File" → "

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 47) PC side: Double-click "Special (MCU/IMC2/Facsimile)" in the maintree items to develop its s

FO-DC550 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 56. PWB unitNo. Name Function1 Exposure lamp inverter PWB Exposure lamp (CCFL) control2 Main PWB

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 57) PC side: Double-click "Special (MCU/IMC2/Facsimile)" to developits sub trees, and select &q

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 65) Select the folder which includes the maintenance tool driver(Mainte.inf) and press <OK> button.

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 75) Select [Specify a location] and press <Next> button.6) Select [Include this location in the sea

FO-DC550 FIRMWARE DOWNLOAD PROCEDURES 15 - 8<Installation on Windows Me>1) Main unit side: Execute Test command No. 49-01 (Flash ROM pro-gram

LEAD-FREE SOLDERThe PWB’s of this model employs lead-free solder. The “LF” marks indicated on the PWB’s and the Service Manual mean “Lead-Free” solder

CAUTION FOR BATTERY REPLACEMENT(Danish) ADVARSEL !Lithiumbatteri – Eksplosionsfare ved fejlagtig håndtering.Udskiftning må kun ske med batteriaf samme

COPYRIGHT © 2004 BY SHARP CORPORATIONAll rights reserved.Printed in Japan.No part of this publication may be reproduced,stored in a retrieval system,

FO-DC550 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 67. Cross sectional viewNo. Part name Function and operation1 Scanner unit Illuminates the origi

FO-DC550 UNPACKING AND INSTALLATION 5 - 1[5] UNPACKING AND INSTALLATION1. Copier installationImproper installation may damage the copier. Please not

FO-DC550 UNPACKING AND INSTALLATION 5 - 24. UnpackingBe sure to hold the handles on both sides of the machine to unpack themachine and carry it to t

FO-DC550 UNPACKING AND INSTALLATION 5 - 37. Loading the paper trayNote: Make sure that the paper is not torn, is free of dust, and has nowrinkles or

FO-DC550 UNPACKING AND INSTALLATION 5 - 4SharpdeskSharpdesk is an integrated software environment that makes it easy tomanage documents and image fi

FO-DC550 UNPACKING AND INSTALLATION 5 - 58) When the "Finish" screen appears, click the "Close" button.A message will appear ins

FO-DC550 UNPACKING AND INSTALLATION 5 - 611) You will return to the window of step 8). If you wish to install But-ton Manager or Sharpdesk, click th

FO-DC550 UNPACKING AND INSTALLATION 5 - 75) When you are asked how the printer is connected, select "Con-nected to this computer" and clic

At the production line, the output powerof the scanner unit is adjusted to 0.57MILLI-WATT PLUS 20 PCTS and ismaintained constant by the operation ofth

FO-DC550 UNPACKING AND INSTALLATION 5 - 87) Select the printer port and whether the machine is to be used as thedefault printer, make the selections

FO-DC550 UNPACKING AND INSTALLATION 5 - 96) Select the network printer that is shared and click the "OK" button.Ask your network administr

FO-DC550 UNPACKING AND INSTALLATION 5 - 105) Select "SC1:" from the "Scanner events" pull-down menu.6) Select "Sharp Button

FO-DC550 UNPACKING AND INSTALLATION 5 - 1111. InterfaceA. USBConnector4-pin ACON UBR23-4K2200Type-B connectorCableShielded twisted pair cable(2 m (6

FO-DC550 COPY PROCESS 6 - 1[6] COPY PROCESS1. Functional diagram(Basic operation cycle)(20 microns thick)Aluminum drum Pigment layer (0.2to 0.3 micr

FO-DC550 COPY PROCESS 6 - 22. Outline of print processThis printer is a non-impact printer that uses a semiconductor laserand electrostatic print pr

FO-DC550 COPY PROCESS 6 - 3Step-3: Developing (DC bias)A bias potential is applied to the MG roller in the two componentmagnetic brush developing me

FO-DC550 COPY PROCESS 6 - 4Step-7: Optical discharge (Semiconductor laser)Before the drum rotation is stopped, the semiconductor laser isradiated on

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 1[7] OPERATIONAL DESCRIPTIONS1. Outline of operationThe outline of operation is described referring to the bas

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 22. Scanner sectionA. Scanner unitThe scanner unit in the digital copier scans images.It is composed of the op

CONTENTS[1] GENERAL1. Major functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12. Note for servicing an

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 33. Laser unitThe image data sent from the MCU (image process circuit) is sent tothe LSU (laser unit), where i

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 4A. General descriptionGeneral block diagram (cross section)Top view(1) Heat rollerA Teflon roller is used for

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 5(1) Cassette paper feed operation1) The figure below shows the positions of the pick-up roller, thepaper feed

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 6(2) Manual multi paper feed operation1) Before paper feed operation, the manual paper feed solenoid(MPFS) is

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 7(3) Conditions of occurrence of paper misfeeda. When the power is turned on:PPD or POD is ON when the power i

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 87. D-D (Duplex to Duplex) mode paper/document transport (Duplex model)A. Initial stateSet duplex documents on

FO-DC550 OPERATIONAL DESCRIPTIONS 7 - 9Switchback operation is made after back copying in order to dischargedocuments according to the setting.Set d

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 1[8] DISASSEMBLY AND ASSEMBLYThe disassembly and assembly procedures are described for the fol-lowing sections

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 22) Set the charger cleaner to the transfer unit, and move it recipro-cally a few times in the direction of th

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 33) Remove four screws, and remove the operation cabinet.4) Remove four screws, and remove the operation PWB.C

[9] ADJUSTMENTS1. Optical section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1A. Copy magnification ratio

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 48) Move the carriage to the position indicated on the figure.9) Loosen the screw which is fixing the tension

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 54. Fusing sectionA. ListB. Disassembly procedure1) Remove the connectors (3 pcs.) of the rear cabinet.2) Open

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 67) Remove the plate spring on the right and remove the heater lamp.8) Remove the spring and remove the separa

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 76) Remove the C-ring and the fusing bearing, and remove the heatroller.7) Remove the parts from the heat roll

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 85) Disconnect the connector from the MCU PWB. 6) Disengage the pawls (2 positions), and remove the sensor PWB

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 913) Remove the flat cable and the grounding wire.14) Remove the four screws, and remove the FAX PWB unit.15)

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 1021) Remove the parts as shown below, and remove the pressurerelease solenoid and the paper feed solenoid.22)

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 1126) Disengage the pawl, and remove the pulley.27) Shift and remove the shifter unit.28) Remove the screw, an

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 1232) Remove the screw and the E-ring, and remove the PS semi-circu-lar earth plate and the PS roller unit.33)

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 136. Manual paper feed sectionA. ListB. Disassembly procedureMulti unit1) Remove the screw and remove the mult

FO-DC550 GENERAL 1 - 1[1] GENERAL1. Major functionsConfigurationsDescriptions of itemsCPM: Copy speed (Copies Per Minute)SB/MB: SB = Manual feed sin

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 145) Remove three E-rings and remove the manual paper feed rollerB9.6) Remove the pick-up roller.7) Cut the bi

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 157. Rear frame sectionA. ListB. Disassembly procedure1) Remove the rear cabinet.2) Remove the connector, the

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 168. Power sectionA. ListB. Disassembly procedure1) Disconnect each connector.2) Remove the screw, and remove

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 1711.RSPF section (RSPF model only)A. RSPF(1) Remove the rear cabinet.1) Remove four screws.2) Remove the rear

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 18E. Upper cover of the pickup unit.1) Remove two screws from the bottom of the pickup unit.2) Remove the uppe

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 19(2) Remove the clutch1) Remove the E-ring.2) Remove the parts.I. Manual paper feed roller, pickup roller(1)

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 20K. Belt 11) Remove the belt.L. Belt 21) Remove three screws.2) Remove the drive unit.3) Remove the belt.Note

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 21P. Paper supply roller(1) Remove the parts.1) Remove the two screws.2) Remove the parts.(2) Remove the paper

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 22(2) Remove the parts.1) Loosen the screw.2) Open the paper exit paper guide.3) Remove the parts.(3) Remove t

FO-DC550 DISASSEMBLY AND ASSEMBLY 8 - 23(3) Remove the paper exit roller.1) Remove the parts.2) Remove the paper exit roller.T. Solenoid(1) Remove t

FO-DC550 SPECIFICATIONS 2 - 1[2] SPECIFICATIONS1. Basic specifications2. Operation specificationsItemType DesktopCopy system Dry, electrostaticSegme

FO-DC550 ADJUSTMENTS 9 - 1[9] ADJUSTMENTS1. Optical sectionA. Copy magnification ratio adjustmentThe copy magnification ratio must be adjusted in th

FO-DC550 ADJUSTMENTS 9 - 22) Set the copy magnification ratio to 100%.3) Make a copy on A4 or 81/2" x 11" paper.4) Measure the length of t

FO-DC550 ADJUSTMENTS 9 - 3(Example)(2) Image rear edge void amount adjustment1) Set a scale to the rear edge section of A4 or 11" x 8 1/2"

FO-DC550 ADJUSTMENTS 9 - 4C. Necessary tool for copy density adjustment• One of the following test charts:UKOG-0162FCZZ, UKOG-0089CSZZ, KODAK GRAY S

FO-DC550 ADJUSTMENTS 9 - 53. High voltage adjustmentA. Main charger (Grid bias)Note:• Use a digital multi meter with internal resistance of 10MΩ or

FO-DC550 ADJUSTMENTS 9 - 6B. Adjusting trailing edge void in duplex copy modeThis is the adjustment of the first surface printing mode (rear end voi

FO-DC550 ADJUSTMENTS 9 - 75. SPF (RSPF) scan position automatic adjustmentPlace a black chart so that it covers the SPF scan glass and the OCglass t

FO-DC550 ADJUSTMENTS 9 - 87. Automatic black level correctiona. Cases when the adjustment is required1) When the main PWB is replaced.2) When the EE

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1[10] TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES1. Entering the test command modeTo ent

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 226 02 (R)SPF setting (SPF/RSPF)03 Second cassette setting (2ND TRAY)04 Main unit duplex

FO-DC550 SPECIFICATIONS 2 - 2*1) May fluctuate due to environmental conditions and the input voltage.3. Copy performanceFusing section Fusing system

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 34. Descriptions of various test commandsMain codeSub codeContents Details of function/op

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 42 06 RSPF resist clutch operation check (RSPF RES.CHK)[Function]When [ENTER/START] key i

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 55 01 Operation panel display check (LCD/LED CHK)[Function]<LED check mode (All ON/Ind

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 66 01 Paper feed solenoid (CPFS1, CPFS2, MPFS) operation check (PSOL CHK)[Function]When [

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 78 01 Developing bias output (DVLP BIAS SET.)[Function]When [ENTER/START] key is pressed,

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 810 00 Toner motor operation (TONER MOTOR)[Function]When [ENTER/START] key is pressed, th

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 922 12 Drum counter display (DRUM CNT)[Function]The drum counter is displayed.[Operation]

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1022 19 Scanner mode counter display (S-MODE CNT)[Function]The scanner mode counter is di

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1124 09 Printer counter clear (PRT.CLR.)[Function]When [ENTER/START] key is pressed, the

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1226 02 (R)SPF setting (SPF/RSPF) [Function]When this test command is executed, the curre

FO-DC550 SPECIFICATIONS 2 - 34. SPLC printer*1: Engine Resolution*2: Running change5. Scan function*1: Sharpdesk only*2: Running change6. RSPFPrint

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1326 30 CE mark support control ON/OFF (CE MARK)[Function]When this test command is execu

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1426 43 Side void amount setting (SIDE VOID)[Function]When this test command is executed,

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1541 06 OC cover float detection level (OC FLOAT LEVEL)[Function]When this test command i

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1643 05 Fusing temperature setting in duplex copy (FU TEMP DPLX)[Function]In the case of

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1746 01 Copy density adjustment (300dpi) (EXP.LEVEL 300)[Function]Copy density is set for

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1846 12 Density adjustment in the FAX mode (Collective adjustment)[Function]When [START]

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 1946 15 FAX mode density adjustment (Super fine)[Function]When [START] key is pressed, sc

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2046 19 Exposure mode setting (AE MODE)[Function]<γ table setting>When this test co

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2146 29 Image contrast adjustment (600dpi) (GAMMA 600)[Function]Contrast is set for each

FO-DC550 TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 2246 32 Copier color reproduction setting (COLOR REAPPEAR)[Function]Used to set color rep