Xerox WorkCentre Pro 412 Service Manual Download Page 55 | Manualshive

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Circuit Description

WorkCentre Pro 412
Launch Issue

5-29

August 2001

5-5-7-3. Organization of the Device

HVPS is comprised of electrification output unit, bias output unit and transfer output unit.

1) Input Unit.
2) Electrification Output (Enable) Unit: MHV (Main High Voltage).
3) Bias Output (Enable) Unit: DEV (Development Voltage)/Supply (Supply Voltage)/BLADE (Blade Volt-
age).
4) Transfer ‘+’ Output (Enable) Unit: THV (+) (Transfer High V)).
5) Transfer ‘-’ Output (Enable) Unit: THV (-) (Transfer High Voltage(-)).
6) Switching Unit.
7) Feedback Unit.
8) Regulation Unit.
9) Output Unit.

SWITCHING
CONTROL UNIT

TRANS

HV-PWM

MHV

REGULATION
CIRCUIT

OUTPUT
CIRCUIT

Electrification Unit Block-Diagram

FE E DBACK

THVPWM

THVEA

THVREAD

PWM
CONTROL UNIT

SWITCHING
CONTROL UNIT

TRANS

SWITCHING
CONTROL UNIT

TRANS

FEED BACK

THV

REGULATION
CIRCUIT

REGULATION
CIRCUIT

THV
ENVIRONMENT
RECOGNITION
CIRCUIT

Transfer Output Unit Block Diagram

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Summary of Contents for WorkCentre Pro 412

Page 1: ...tions 5 Circuit Description 6 Disassembly 7 Maintenance Troubleshooting 8 Exploded Views and Parts List 9 Electrical Parts List 10 Block Diagram 11 Connection Diagram 12 Schematic Diagrams Contents SE...

Page 2: ...e defects under the warranty offered by Xerox with respect to such equipment You should consult the applicable warranty for its terms regarding customer or third party provided service While every car...

Page 3: ...3 4 6 Dimension 4 4 4 7 Packaging 4 4 4 8 Environmental Condition 4 4 4 9 Machine Life 4 4 5 Circuit Description 5 1 5 1 Main PBA 5 1 5 2 Circuit Operation 5 2 5 3 Scanner 5 18 5 4 Host Interface 5 2...

Page 4: ...s 9 1 9 1 Main PBA 9 1 10 Block Diagram 10 1 11 Connection Diagram 11 1 12 Schematic Diagrams 12 1 12 1 Main Circuit Diagram 1 of 14 12 1 12 2 Main Circuit Diagram 2 of 14 12 2 12 3 Main Circuit Diagr...

Page 5: ...fications for the various modules of the machine Section 5 Circuit Description This section describes the control system of the machine Section 6 Disassembly and Reassembly This section gives instruct...

Page 6: ...ons electromagnetic regulations and established environmental standards WARNING Any unauthorised alteration which may include the addition of new functions the connection of exter nal devices or the u...

Page 7: ...lt in protective devices are in place Restore any missing protective covers 2 When re installing chassis and assemblies be sure to restore all protective devices including control knobs and compartmen...

Page 8: ...nents or areas inside the unit Operation of the laser unit with machine or laser covers removed could cause eye damage if the laser beam is viewed directly Electrostatic Damage Caution The following i...

Page 9: ...ping Markets East Middle East Africa India China and Hong Kong Phone EH S at 44 0 1707 35343 Electronic mail EH S at Elaine Grange GBR xerox com Fax EH S at 44 0 1707 353914 intelnet 8 668 3914 Initia...

Page 10: ...components not specified by Xerox may impact the products certification safety performance or compliance with legislation AVERTISSEMENT Toute modification non autoris e qu il s agisse de l ajout de no...

Page 11: ...fici calde del prodotto indicate da etichette di avvertenza durante le operazioni di manutenzione o di assistenza VORSICHT Weist auf hei e Ger tebereiche hin die bei der Wartung und Pflege nicht angef...

Page 12: ...Ce produit doit tre utilis avec l alimentation indiqu sur la plaque de la machine Ce produit doit tre connect un circuit avec mise la terre S curit Pendant toute cette proc dure d intervention dans de...

Page 13: ...operture o gli schermi siano reinseriti in seguito a qualunque operazione di manutenzione o di assistenza del prodotto Manutenzione e assistenza Non effettuare alcuna operazione di manutenzione o di a...

Page 14: ...po de alimentaci n el ctrica que se indique en la etiqueta o placa de datos t cnicos del producto Este producto debe conectarse a un circuito con puesta a tierra de protecci n Seguridad en el trabajo...

Page 15: ...stomer location The replacement battery must be the same type and manufacturer as the original Lithium batteries contain substances which are subject to control and should not be opened crushed or bur...

Page 16: ...ie durante l ispezione visiva Queste funzioni possono non essere pi attive se un componente viene sostituito con uno diverso dall originale Questo vale anche se le parti di ricambio hanno specifiche p...

Page 17: ...nca altere o agregue nada al dise o mec nico o el ctrico de este equipo como conectores auxiliares etc Tales alteraciones y modificaciones anular n la garant a del fab ricante 4 Los componentes piezas...

Page 18: ...Introduction WorkCentre Pro 412 August 2001 1 14 Launch Issue This page intentionally blank...

Page 19: ...If the problem is the result of incorrect operator action refer the operator to the user documentation 4 Make sure that a The power cord is connected to the wall outlet and to the machine b Documents...

Page 20: ...the machine in all modes until the fault is determined Perform the following If an error message is displayed go to 7 2 Diagnostics If an image defect is evident go to 7 3 Scanner If there are problem...

Page 21: ...atic charge buildup in the vicinity of the assembly 4 Use only a grounded tip soldering iron to solder or de solder ESDs Use only an anti static solder removal device Some solder removal devices not c...

Page 22: ...Precautions WorkCentre Pro 412 Launch Issue 3 2 August 2001 This page intentionally blank...

Page 23: ...pe and multi purpose tray Feed direction FISO front in side out Paper Size Normal paper A4 letter legal B5 Executive A5 Envelope normal envelope Length 149 to 356mm 5 87 to 14 inches Width 100 to 216m...

Page 24: ...yte Halftone 256 levels Automatic document feeder 30 pages 75gsm LCD 16 characters x 2 lines Operation System Windows 95 98 2000 NT 4 0 Win ME Interface IEEE 1284 ECP Support USB without HUB Mode Comp...

Page 25: ...600 dpi Copy quality Text photo mixed Paper type selection Plain label card stock index transparency Mono copy speed Note 1 Platen SDMP 12 cpm ADF SDMP 12 cpm ADF MDPS text mixed 6 6 cpm photo 3 3cpm...

Page 26: ...SA standard ivory IEEE 1284 cable No USB cable 1ea CD ROM 1ea Cartridge Drum CRU 1EA toner CRU 1EA Manual 1vol Absolute storage Temperature 20 to 40 degrees C 68 to 104 degrees F Humidity 10 RH to 95...

Page 27: ...o 45 3928 MHz LIU OSC 48 MHz USB INTERFACE IC UNICON USB RTC PARALLEL INTERFACE OPE PANEL INTERFACE PROGRAM ROM 1MB x 4EA SRAM 256K DATA RAM DRAM 8MB x 2EA PLL Reset WDT Generation ARM7TDMI Cache 8KB...

Page 28: ...s 216mm 4 25 4mm 25 4mm 76 1 28 697MHz PAPER 1SCAN LINE sending time SCAN LINE interval DOCUMENT SPEED 58 208mm S 1SCAN LINE DOT MAZ SCAN distance 216mm DOT per 1mm 3 USB Clock Device Oscillator Freq...

Page 29: ...TA7 I O CPU Data Bus 7 11 DATA8 I O CPU Data Bus 8 12 Vssi Vss 3 3 V Gnd 13 DATA9 I O Input CPU Data Bus 9 PHBTT8 8 mA 14 Vddi Vdd 3 3 V 15 DATA10 I O Input CPU Data Bus 10 PHBTT8 8 mA 16 DATA11 I O C...

Page 30: ...Gnd 42 DATA29 I O Input CPU Data Bus 23 PHBTT8 8 mA 43 DATA30 I O CPU Data Bus 23 44 DATA31 I O CPU Data Bus 23 45 Vssi Vss 3 3 V Gnd 46 LFIA0 OP4 O H Line Feed Motor Phase A PHOB4 4mA 47 Vddi Vdd 3...

Page 31: ...mA 71 Vddp Vdd 5 V 72 PERROR O L Paper Error PHOB8 8 mA 73 BUSY O Parallel Port Busy PHOB8 8 mA 74 nACK O H Parallel Port Acknowledge PHOB8 8 mA 75 Vssp Vss 5 V Gnd 76 PD0 I O Input Parallel Port Dat...

Page 32: ...uest Ex IRQ 3 102 Vssi Vss 3 3 V Gnd 103 VCLK I Video Clock Input PHIC 104 Vddi Vdd 3 3 V 105 IP 7 nFSYNC I Input Port Frame Sync PHIL ST 106 nLSYNC I Line Sync 107 OP 8 nPRINT O H Out Port Print Star...

Page 33: ...31 Vsso Vss 5 V Gnd 132 DRAMD0 I O Input DRAM Data Bus 0 PHBTT12 12mA 133 Vddo Vdd 5 V 134 DRAMD1 I O Input DRAM Data Bus 1 PHBTT12 12mA 135 DRAMD2 I O DRAM Data Bus 2 136 DRAMD3 I O DRAM Data Bus 3 1...

Page 34: ...RAMD21 I O DRAM Data Bus 21 162 Vssi Vss 3 3 V Gnd 163 DRAMD22 I O Input DRAM Data Bus 22 PHBTT12 12mA 164 Vddi Vdd 3 3 V 165 DRAMD23 I O Input DRAM Data Bus 23 PHBTT12 12mA 166 DRAMD24 I O DRAM Data...

Page 35: ...M Address Bus 11 192 Vssi Vss 3 3 V Gnd 193 nROMCS0 O H ROM Chip Select 0 PHOB4 4 mA 194 Vddi Vdd 3 3 V 195 nROMCS1 O H ROM Chip Select 1 PHOB4 4 mA 196 nROMCS2 O ROM Chip Select 2 197 nROMCS3 O ROM C...

Page 36: ...R17 CTOut 2 O Address Bus 17 for ROM 223 ADDR18 CTOut 3 O Address Bus 18 for ROM 224 Vsso Vss 5 V Gnd 225 ADDR19 CTOut 4 O L Address Bus 19 for ROM PHOB8 8 mA 226 ADDR20 CTOut 5 O Address Bus 20 for R...

Page 37: ...s activated from the CPU after the POWER is ON it activates RD SIGNAL and reads the DATA HIGH LOW stored in the FLASH MEMORY to control the overall system The FLASH MEMORY may also write When turning...

Page 38: ...te the CPU processes data The address to read and write the data is specified by RAS SIGNAL and CAS SIGNAL DRAMWE SIGNAL is activated when writing data and DRAMOE SIGNAL when reading You can expand up...

Page 39: ...ing the page mode while accessing the burst For FPM DRAM the data are valid only when the nCAS is active While configuring the software you must set the timing register of SFR considering the clock sp...

Page 40: ...Trp Trc Tcas Tcas data 1 data 0 row address column address column address addr wait wait data data clock type Trp Trc Tcas cycle register cycle register cycle register 58Mhz 40 ns FPM 2 0x1 2 0x1 1 0...

Page 41: ...AS is active while reading the internal data however it has a latch that the data will be continuously outputted even after the nCAS is inactivated While configuring the software you must set the timi...

Page 42: ...CAS nRAS data 1 data 0 row address column Trp Trc Tcas Tcas addr wait wait data data clock type Trp Trc Tcas cycle register cycle register cycle register 58Mhz 40 ns EDO 2 0x1 2 0x1 1 0x0 50 ns EDO 2...

Page 43: ...o DRAM by IOCS4 DRAMA 11 SIGNAL through DRAMD 24 31 5 2 8 SRAM 32KB SRAM It stores a variety of option data 5 2 9 FAX Transceiver 5 2 9 1 General This circuit processes transmission signals of modem a...

Page 44: ...scan line time for one color 5mS Light source power 12V Maximum pixel frequency 6 MHz Effective sensor element 5340 X 3 Clamp level 0 7 to 0 8V Bright output min 0 8V IRQ AFE 12 bit A D converter Shad...

Page 45: ...amma correction enlargement reduction and binarisation Shading Correction 1 White shading correction support for each R G B 2 White shading data memory 3x8Kx12bits 288Kbits 384Kbits external 3 Black s...

Page 46: ...output format in DTM Data Transfer Module 1 DMA mode Burst On demand mode 2 CDIP I F LINE_SYNC PIXEL_SYSNC PIXEL_DATA 7 0 36 General Purpose Input Output 8 GPO 28 GPIO Black White reversion and Image...

Page 47: ...Register CPU I F Module Vpeak Control Motor Control AIN ADC_REFT ADC_REFB PI_TG PI1 R_LED G_LED B_LED Gamma Correction SRAM_A 15 0 SRAM_D 15 0 SRAM_nRD SRAM_nWR A 5 0 D 15 0 nCS nRD nWR nXDREQ nXDACK...

Page 48: ...to the printer ECP mode is an improved protocol for the communication between PC and peripherals such as printer and scanner and it provides high speed two way data communication ECP mode provides tw...

Page 49: ...CK nAUTOFD BYTE0 BYTE1 C OM M AND BYTE DATA BYTE 1 2 3 4 5 6 nINI T PE 7 8 ECP Hardware Handshaking Timing forward 1 The host request a reverse channel transfer by setting nINIT low 2 The peripheral s...

Page 50: ...l Layer Interface PHY and Media Access Controller MAC USB Specification 1 0 compliant Control Status Register File USB Function Controller with seven FIFO based End points One bidirectional Control En...

Page 51: ...gust 2001 CS A0 VVR RD D 7 0 DATA_IN DATA_OUT ADDR DATA_IN DATA_OUT ADDRESS 0x00 0x3F REGISTERFILE Non Multiplexed Mode Interface Block Diagram cs A0 RD VVR D 7 0 input out vvrte Address Read Data out...

Page 52: ...the power to Q3 5 5 2 Paper Sensing Circuit 1 Cover Open Sensing Cover open sensor is located on the right side of the printer In case the right cover is open it shuts 5V LSU laser unit and 24V main...

Page 53: ...zontal synchronous signal There are no user serviceable parts inside the Laser unit 5 5 4 Fan Solenoid Actuation Circuit The fan actuation circuit gets its power using NPN TR When it receives FAN sign...

Page 54: ...U into visible image by the toner particles While the supply roller energized with 450V by HVPS and the developer roller energized with 300V rotate in the same direction it keeps the toner particles b...

Page 55: ...e BLADE Blade Volt age 4 Transfer Output Enable Unit THV Transfer High Voltage 5 Transfer Output Enable Unit THV Transfer High Voltage 6 Switching Unit 7 Feedback Unit 8 Regulation Unit 9 Output Unit...

Page 56: ...scription WorkCentre Pro 412 Launch Issue 5 30 August 2001 PWM CONTROL UNIT SWITCHING CONTROL UNIT MHV PWM TRANS FEEDBACK REGULATION CIRCUIT OPC MHV MHV Output unit Block Diagram BIAS Output Unit Bloc...

Page 57: ...n and the steady voltage will be accepted to the non inverting terminal of OP AMP 324 As the voltage higher than the inverting reference volt age of OP AMP which is set to R506 and R507 OP AMP output...

Page 58: ...electric potential of Q302 will be formed and sends IB to TRANS auxiliary wire through R311 C305 and VR302 via current restricting resistance R314 and eventually Q303 will turn on When the current is...

Page 59: ...t can be input to the engine controller ROM This environment recognition setting is organized as follows First set the THV standard voltage Allow 200M load to transfer output enable output and set the...

Page 60: ...ssages in OPE the main transmits data through UART line to OPE according to the designated format and OPE displays this on LCD LED OPE s sensing is also transmitted to the main through UART line and t...

Page 61: ...age A terminal IMPEDANCE 600W 30 CTR21 A Terminal IMPEDANCE 270 750W 150nF 5 7 4 DIALER PART MF DIAL DTMF Dialing is controlled by MODEM and should be selected by appropriate LEVEL and On off Time out...

Page 62: ...annel Ch 1 Ch 2 Ch 3 1 Channel name 5 1V 24 0V 12 0V 2 Rated output voltage 5 1V 24 0V 12 0V 3 Rate output current 2A 2 5A 1 0A 4 Maximum load current and load pattern 3A continuous 3 5A continuous 1...

Page 63: ...d a MOS FET output stage The SMC IC has a Auto restart without a Power Supply for the IC and a Thermal Shutdown function and so on C509 R512 C510 D505 clamp leading edge voltage spikes caused by trans...

Page 64: ...red by either forward or reverse signal Once triac is turned on it will not be con trolled by gate signal but will be continuously on until the current between major terminals decreases below the hold...

Page 65: ...se as possible to their original positions Before removing any component from the machine note the cable routing that will be affected Whenever servicing the machine you must perform as follows 1 Chec...

Page 66: ...d remove Rear cover see page 6 3 2 Remove the two screws as shown below 3 Open the side cover assembly and front cover as shown below 4 Unplug the two connectors and CCD cable CAUTION You should disco...

Page 67: ...1 6 Remove the connector from the platen assembly 7 Pull the ADF assembly upward and remove it 8 Remove the eight screws securing the platen assembly 9 Unlatch the scan upper assembly securing the gla...

Page 68: ...the cover scan upper assembly 12 Remove the five screws and dummy scanner lower 13 Remove the CCD cable 14 Pull up the shaft CCD and take out the scanner module 15 Remove three screws and take out th...

Page 69: ...er see page 6 3 Scanner assembly see page 6 4 2 Remove the five screws securing the platen cover and unlatch the ADF assembly by pushing the part hooked the platen cover using a sharp tool 3 Pull the...

Page 70: ...1 Before you remove the OPE assembly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 2 Pull the overlay upward and remove it 3 Remove nine screws securing the OPE PBA to the OP...

Page 71: ...screws to release the stopper securing the side cover to the main frame 2 Release the right bottom of the cover then pull it the direction of arrow to release the other end 3 Unlatch the cover front...

Page 72: ...Disassembly and Reassembly WorkCentre Pro 412 Launch Issue 6 8 August 2001 5 Unlatch the duplex assembly securing the side cover assembly and remove it 6 Take out the exit roller as shown below...

Page 73: ...move the Fuser assembly you should remove Side cover assembly see page 6 9 2 Unplug the connector 3 Remove the four screws and take out the fuser assembly 4 Remove the four screws and take out the the...

Page 74: ...t 2001 6 8 Exit Assembly 1 Before you remove exit assembly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly see page6 9 2 Remove three screws and unlatch the...

Page 75: ...the cover paper exit assem bly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly see page 6 9 Exit assembly see page 6 12 2 Remove four screws and take out t...

Page 76: ...you remove the drive assembly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly see page 69 Exit assembly see page 6 12 2 Unplug the all connectors 3 Remove...

Page 77: ...page 6 4 Side cover assembly see page 6 9 Exit assembly see page 6 12 2 Unplug the all connectors 3 Remove the SMPS as shown below 6 12 LSU 1 BeforeyouremovetheLSU youshouldremove Rear cover see page...

Page 78: ...uldremove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly see page 6 9 Exit assembly see page 6 12 LSU see page 6 15 SMPS see page 6 15 2 Unplug the all connectors 3 Remove t...

Page 79: ...ssembly WorkCentre Pro 412 Launch Issue 6 15 August 2001 6 15 MP Assembly 1 Unplug the two connectors 2 Remove the two screws and take out the dummy cover 3 Pull the MP assembly upward and remove it D...

Page 80: ...6 16 August 2001 6 16 Feed Assembly 1 Remove the three screws 2 Pull the feed assembly upward and remove it Feed Ass y 6 17 Pick Up Assembly 1 Unplug the three connectors 2 Remove the two screws and...

Page 81: ...sue 6 17 August 2001 6 18 Main PBA 1 Remove the two screws and take out the shield main lower 2 Remove the two screws and take out the main PBA from the shield main lower 3 Unlatch the LIU PBA securin...

Page 82: ...Disassembly and Reassembly WorkCentre Pro 412 Launch Issue 6 18 August 2001 This page intentionally blank...

Page 83: ...In addition it can perform a series of tests that allow the machine to observe individual machine functions 7 2 1 Error Messages COMPONENT REPLACEMENT CYCLE ADF roller 20 00 pages Feed roller 50 000...

Page 84: ...gain MEMORY FULL The memory has become full Either delete unnecessary doc uments or re transmit after more memory becomes avail able or split the transmission into more than one operation NO ANSWER Th...

Page 85: ...and clear the jam PAPER JAM 1 OPEN CLOSE DOOR paper has jammed inside the unit paper has jammed in paper exit unit Clear the jam TONER EMPTY The machine has encountered the toner empty condition Inst...

Page 86: ...hed the end of it s life install a new ELA OPC UNIT SET PL 1 7 NO CARTRIDGE The machine detected the toner cartridge has not been installed Check that the toner cartridge is fully seated in the machin...

Page 87: ...DRUM This procedure removes excess toner on the OPC drum 1 Make sure that paper is loaded in the automatic feeder or document glass platen 2 Press Menu Up or Down key Maintenance Select Up or Down key...

Page 88: ...Up or Down repeatedly until you find the correct selection 3 Press Select key ADJUST Shading This procedure is needed to set make a new shading reference value The reference value is preset at fac tor...

Page 89: ...SOLENOID Test MP SOLENOID Test DUPLEX SOLENOID Test 4 MHV Test DEVBIAS Test THV Test THV NEG Test THV TRIGGER TEST 5 All components test To enter the Engine test mode 1 Press Menu 1 9 3 1 in sequence...

Page 90: ...pdated with New Firmware 2 Upgrade the Remote Fax Performed on the Local Machine in the Service Center Go to the Tech Mode Search for the Flash Upgrade in Maintenance Item select REMOTE Enter Remote F...

Page 91: ...scanning If the CCD is defective replace it CN3 19 is 5 8V when white original copying for R B and 3 5V for G Black copy Check for CCD problem in Main PBA Check the CCD harness con tacts Check shading...

Page 92: ...ss and any mechanical disturbance Check the scanner glass is cor rectly located and clean check that the CCD carriage moves smoothly Check the motor driver in Driver PBA If any driver is defective rep...

Page 93: ...signal level is defective install a new Main PBA U36 66 74 in Main PBA 0 8V to 2 4V TTL signal If necessary install a new PBA MAIN MAIN PL 1 19 Defective image quality Check shading profile Remake sh...

Page 94: ...N20 11 of MAIN PBA and the circuit around R15 U6 and Q2 of LIU PBA Replace LIU PBA Defective FAX transmission Check CN20 main PBA main LIU harness and CN1 LIU PBA Is the external phone off the hook Ch...

Page 95: ...cessary clean the components to achieve a good earth 3 Adjust LSU or install a new LSI 4 Normal Dev bias 350V 5 If necessary install a new toner cartridge 6 Test engine test pattern if necessary insta...

Page 96: ...l 2 C R of toner cartridge is con taminated 1 Set to correct voltage 2 Install a new toner cartridge Ghost 1 High voltage output 2 Pre transfer lamp 3 Bad high voltage contact 1 Check all high voltage...

Page 97: ...1 Toner is low 2 The toner cartridge is out of position 1 Install a new toner cartridge 2 Ensure the toner cartridge is correctly installed Partial blank image periodic 1 Damaged developer unit 2 Defe...

Page 98: ...Supply roller 42 70mm Horizontal density band 4 Developer roller 56 52mm Horizontal density band 5 Transfer roller 57 78mm Black side contamination transfer fault 6 Heat roller 82 89mm Black spot Whi...

Page 99: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 17 August 2001 No Image...

Page 100: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 18 August 2001...

Page 101: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 19 August 2001 All Black...

Page 102: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 20 August 2001 Vertical White Line Band...

Page 103: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 21 August 2001 Dark Image...

Page 104: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 22 August 2001 Background...

Page 105: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 23 August 2001 Ghost...

Page 106: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 24 August 2001 Black Dot...

Page 107: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 25 August 2001 Horizontal Band...

Page 108: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 26 August 2001 Irregular Density...

Page 109: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 27 August 2001 White Spot...

Page 110: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 28 August 2001 Trailing Edge Disturbance When Printing Transparencies...

Page 111: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 29 August 2001 Poor Fusing...

Page 112: ...o the Manual Feeder 5 The stacker extender is unfolded 6 The adjustable guide can grip the paper 1 Check whether solenoid is working or not by using Engine Test Mode 2 Check the operation of the feed...

Page 113: ...1 Remove the toner cartridge open the cover and press cover open switch lever Measure the voltage with high voltage probe during print cycle If the voltage is normal install a new toner car tridge 2...

Page 114: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 32 August 2001 No Power No LCD or LEDs...

Page 115: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 33 August 2001 Fuser Error...

Page 116: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 34 August 2001 Paper Jam Mis feeding...

Page 117: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 35 August 2001 Paper Jam Jam 1...

Page 118: ...Maintenance Troubleshooting WorkCentre Pro 412 Launch Issue 7 36 August 2001 Engine Error...

Page 119: ...nch Issue 8 1 August 2001 8 Exploded View Parts List 8 1 Main Exploded View Parts List 1 3 1 6 1 6 1 1 1 2 1 22 1 4 1 5 20 25 28 2 2 1 2 2 3 4 23 7 8 9 10 11 12 13 6 5 16 15 17 33 21 14 19 29 27 18 18...

Page 120: ...R ASS Y 002N02016 1 11 ELA HOU MP ASS Y 600N01741 1 12 ELA HOU BASE FRAME ASS Y 1 NOT SPARED 13 MEC FEED ASS Y 022N01472 1 14 ELA HOU FUSER 110V ASS Y 126N00182 1 NASG XCL ELA HOU FUSER 220V ASS Y 126...

Page 121: ...1 23 MPR NAME PLATE XRX 015N00436 1 24 SOLENOID PICK UP 022N01486 1 25 PMO COVER EXIT REAR 002N02009 1 26 A S MATERAL CST RAIL 001N00384 1 26 1 PMO SHEET GUIDE PAPER 1 NOT SPARED 26 2 PMO GUIDE CASSE...

Page 122: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 4 August 2001 8 2 Platen Ass y Exploded View Parts List...

Page 123: ...HOLDER BELT 1 NOT SPARED 2 7 ELA HOU SCAN MOTOR ASS Y 127N01376 1 2 7 1 MOTOR SCAN 1 NOT SPARED 2 8 GEAR IDLE 1 NOT SPARED 2 9 PMO COVER PUMMY LOWER 025N00080 1 2 10 IPR CHANNEL BASE FRAME 1 NOT SPAR...

Page 124: ...ed View Parts List 4 5 4 11 4 7 4 6 3 9 3 10 3 11 3 12 5 1 2 2 1 2 2 2 3 2 4 2 5 3 1 3 2 3 8 3 2 3 2 3 3 4 3 4 3 5 3 3 4 2 S1 S1 4 4 1 4 9 4 3 4 4 4 8 3 14 3 13 3 13 3 7 3 8 3 18 3 19 3 6 3 15 3 17 0...

Page 125: ...PONG SHEET 025N00081 1 1 12 PPR SHEET PLATEN 1 1 13 IPR SPRING PINCH 3 1 14 IPR SHAFT PINCH 3 1 15 PMO ROLL PINCH 3 1 16 PMO HINGE PLATEN 1 1 17 PMO BUSHING HINGE 1 1 18 PMO HSG HINGE 1 1 19 ICT SHAFT...

Page 126: ...R REGI 1 3 17 PBA SUB ADF 022N01471 1 3 18 PBA SUB ADF POS SEN 130N01199 1 3 19 PBA SUB ADF DET SEN 130N01200 1 3 20 PMO ACTUATOR SENSOR SCAN 130N01216 1 4 ELA HOU ADF MOTOR ASS Y 127N01377 1 4 1 GEAR...

Page 127: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 9 August 2001 This page intentionally blank...

Page 128: ...ch Issue 8 10 August 2001 8 4 Side Cover Ass y Exploded View Parts List 7 6 12 10 6 8 10 2 10 3 10 4 10 5 10 0 21 18 20 19 16 13 11 15 14 1 2 1 5 1 8 1 8 1 6 1 10 1 10 1 11 1 9 1 9 1 3 1 3 1 7 1 1 11...

Page 129: ...R RUBBER EXIT 2 1 11 PMO BUSHING TX B4 4 1 12 PMO GUIDE DP SIDE 1 2 MEC ROLLER TRANSFER 022N01475 1 3 MEA UNIT HOLDER TR R 1 3 1 SPRING PLATE TR 1 3 2 SPRING TR_R 1 3 3 PMO BUSH 1 3 4 PMO HOLDER TR R...

Page 130: ...SCRIPTION SEC CODE Q TY REMARK 11 CBF HARNESS OPE GND 1 11 1 PMO GUIDE DP SIDE 1 12 PMO TIE STOPPER 120N00394 2 13 IPR BRKT GROUND B 1 14 IPR BRKT GROUND TR 1 15 IPR BRKT GROUND A 1 16 IPR BRACKET GUI...

Page 131: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 13 August 2001 This page intentionally blank...

Page 132: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 14 August 2001 8 5 Cassette Ass y Exploded View Parts List 0 3 11 13 13 7 S1 8 2 1 6 10 4 9 12 5 14 15...

Page 133: ...DE PLT PAPER 1 3 IPR PLATE K UP 1 4 IPR SPR PLT G SIDE 015N00437 1 5 PMO COVER CASSETTE 1 6 PMO FRAME CASSETTE 1 7 PMO GUIDE FRONT CST 1 8 PMO GUIDE REAR 032N00351 1 9 PMO GUIDE SIDE CST 032N00352 1 1...

Page 134: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 16 August 2001 8 6 Exit Ass y Exploded View Parts List 5 10 10 S1 4 6 6 10 10 7 8 11 1 16 17 15 18 3 13 19 12 14 2 S1...

Page 135: ...4 MEC ROLLER EXIT DRV 007N01115 2 5 PMO ROLLER DECURL 022N01474 4 6 PMO PULLEY DUPLEX 2 7 BELT TIMING GEAR 1 8 GEAR DUPLEX 1 9 PMO BEARING LARGE DP 013N00514 1 10 PMO BEARING LARGE DP 013N00514 4 11 I...

Page 136: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 18 August 2001 8 7 Feeder Ass y Exploded View Parts List 2 6 5 3 7 1 4 8 S1 11 18 12 12 13 17 5 19 15 18 12 14 6 9 10...

Page 137: ...MP DUP DRV 1 4 ICT SHAFT FEED 1 5 PMO BUSHING_P U MP 013N00515 1 6 E RING 1 NOT SPARED 7 C RING 1 NOT SPARED 8 PMO BRKT FEED 1 9 PMO ROLLER FEED 022N01470 1 10 PMO HOLDER PINCH C 1 11 PMO HOLDER PINC...

Page 138: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 20 August 2001 8 8 MP Ass y Exploded View Parts List 22 16 6 20 18 21 20 25 3 25 14 5 10 9 3 1 8 4 2 12 17 24 13 23 11 7 19 15...

Page 139: ...OIDE 1 9 PMO HOLDER CAM MPF 1 10 PMO GEAR P U MPF 1 11 PMO ROLLER CAM MP 1 12 PMO ACTUATOR MP 120N00392 1 13 PMO ADJUSTER MP 022N01479 1 14 PMO CAM PICK UP MP 022N01480 1 15 PMO FRAME MP 1 16 PMO HOLD...

Page 140: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 22 August 2001 8 9 Base Frame Exploded View Parts List 1 14 15 11 6 1 4 12 13 1 1 5 5 10 7 3 1 8 2 9...

Page 141: ...TAPTITE 5 2 SCREW TAPTITE 2 3 SCREW TAPTITE 4 4 SPRING TORSION 1 5 FOOT RUBBER 017N00212 2 6 CAM CATCH 1 7 IPR CHANNEL BASE FRAME 1 8 IPR GROUND PLATE A OPC 015N00440 1 9 IPR GROUND PLATE B BASE 015N...

Page 142: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 24 August 2001 8 10 Pick up Ass y Exploded View Parts List 19 17 11 18 15 10 9 14 13 4 2 12 6 16 9 7 5 3 1 8...

Page 143: ...PMO ACTUATOR EMPTY 120N00393 1 5 PMO BEARING SHAFT 006N01093 1 6 PMO BUSHING PICK UP MP 013N00515 1 7 PMO FEED SENSOR 1 8 PMO GUIDE PAPER 1 9 PMO HOLDER SENSOR FEED 1 10 PMO LENS TONER SENSOR 1 11 PM...

Page 144: ...loded View Parts List WorkCentre Pro 412 Launch Issue 8 26 August 2001 8 11 Drive Ass y Exploded View Parts List S2 1 2 2 10 23 23 11 S1 12 13 14 23 15 23 18 17 16 23 19 20 23 21 17 22 S2 5 6 8 4 9 23...

Page 145: ...E 1 5 SOLENOID DUPLEX 121N00596 1 6 SPRING SOLENOID DP 1 7 IPR LINK SOLENOID 1 8 GEAR EXIT U ID 1 9 GEAR SWING DRV 1 10 GEAR 35 19 1 11 GEAR 71 23 1 12 GEAR DEVE DRV 1 13 PMO DEV COUPLING 1 14 GEAR R...

Page 146: ...h Issue 8 28 August 2001 8 12 Main Frame Ass y Exploded View Parts List 4 2 3 1 1 31 1 32 1 12 1 23 1 15 1 21 1 4 1 11 1 10 1 9 1 8 1 6 1 7 1 3 1 2 1 5 1 1 1 4 1 17 1 20 1 18 1 16 1 26 1 19 1 27 1 28...

Page 147: ...C 1 1 15 IPR GND OPC BASE 1 1 16 IPR GND FUSER 1 1 17 IPR GUARD C O S W 1 1 18 IPR GND TERMINAL 1 1 19 CBF HARNESS FUSER 2PIN 550mm 1 NOT SPARED 1 20 CBF HARNESS SWITCH MICRO 110N01041 2 1 21 CBF HARN...

Page 148: ...View Parts List WorkCentre Pro 412 Launch Issue 8 30 August 2001 8 13 FuserAss y Exploded View Parts List 26 23 24 18 19 16 17 17 22 15 27 21 16 20 13 11 S2 S2 S2 S2 S1 10 12 9 1 6 7 8 6 1 6 2 14 5 4...

Page 149: ...UIDE CLAW 4 7 1 NOT SPARED 8 IPR PIN ROLLER EXIT 2 9 NPR ELECTRODE GEAR 1 10 NPR ELECTRODE M 1 11 NPR ELECTRODE F 1 12 THERMOSTAT 130N01214 1 13 THERMISTOR FUSER 126N00185 1 14 LAMP HALOGEN 110V 122N0...

Page 150: ...Exploded View Parts List WorkCentre Pro 412 Launch Issue 8 32 August 2001 This page intentionally blank...

Page 151: ...DE ARRAY DA204K 20V 100mA C2 3 SOT 23 T 0407 000101 D46 1 DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T 0407 000101 D47 1 DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T 0407 000101 D49 1 DIODE ARRAY DA204K 2...

Page 152: ...C AUDIO AMP 34119 SOP 8P 150MIL SINGLE P 1201 000167 U50 1 IC OP AMP 358 SOP 8P 150MIL DUAL 100V mV 1201 000167 U51 1 IC OP AMP 358 SOP 8P 150MIL DUAL 100V mV 1201 001589 U7 1 IC OP AMP 15420 SOP TP 8...

Page 153: ...007 000078 R154 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R160 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R166 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R17 1 R CHIP 1Kohm 5 1 16W DA TP 160...

Page 154: ...TP 1608 2007 000090 R167 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R170 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R176 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R177 1 R CHIP 10Kohm 5...

Page 155: ...1608 2007 000103 R234 1 R CHIP 120Kohm 5 1 16W DA TP 1608 2007 000104 R232 1 R CHIP 150Kohm 5 1 16W DA TP 1608 2007 000106 R168 1 R CHIP 220Kohm 5 1 16W DA TP 1608 2007 000106 R256 1 R CHIP 220Kohm 5...

Page 156: ...2007 000839 R310 1 R CHIP 39ohm 5 1 16W DA TP 1608 2007 000839 R311 1 R CHIP 39ohm 5 1 16W DA TP 1608 2007 000965 R236 1 R CHIP 5 1Kohm 5 1 16W DA TP 1608 2007 001002 R140 1 R CHIP 510ohm 5 1 16W DA T...

Page 157: ...nF 80 20 25V Y5V TP 1608 2203 000189 C132 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C133 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C138 1 C CERAMIC CHIP 100nF 80 20 25V Y...

Page 158: ...2203 000189 C216 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C217 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C218 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C2...

Page 159: ...ERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C70 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C72 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C76 1 C CERAMIC CHIP 100nF...

Page 160: ...105 1 C CERAMIC CHIP 0 018nF 5 50V NP0 TP 1608 2203 000426 C123 1 C CERAMIC CHIP 0 018nF 5 50V NP0 TP 1608 2203 000440 C10 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C17 1 C CERAMIC CHIP 1nF...

Page 161: ...1608 2203 001222 C307 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 C308 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 C309 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 C310 1...

Page 162: ...RITEBEAD AB 120ohm 3 2x1 6x1 1mm 900mA TP 0 15ohm 3301 001425 L21 1 CORE FERRITEBEAD AB 120ohm 3 2x1 6x1 1mm 900mA TP 0 15ohm 3301 001425 L22 1 CORE FERRITEBEAD AB 120ohm 3 2x1 6x1 1mm 900mA TP 0 15oh...

Page 163: ...Block Diagram WorkCentre Pro 412 Launch Issue 10 1 August 2001 10 Block Diagram...

Page 164: ...Block Daigram WorkCentre Pro 412 Launch Issue 10 2 August 2001 This page intentionally blank...

Page 165: ...Connection Diagram WorkCentre Pro 412 Launch Issue 11 1 August 2001 11 Connection Diagram...

Page 166: ...Connection Diagram WorkCentre Pro 412 Launch Issue 11 2 August 2001 This page intentionally blank...

Page 167: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 1 August 2001 12 Schematic Diagrams 12 1 Main Circuit Diagram 1 of 14...

Page 168: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 2 August 2001 12 2 Main Circuit Diagram 2 of 14...

Page 169: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 3 August 2001 12 3 Main Circuit Diagram 3 of 14...

Page 170: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 4 August 2001 12 4 Main Circuit Diagram 4 of 14...

Page 171: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 5 August 2001 12 5 Main Circuit Diagram 5 of 14...

Page 172: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 6 August 2001 12 6 Main Circuit Diagram 6 of 14...

Page 173: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 7 August 2001 12 7 Main Circuit Diagram 7 of 14...

Page 174: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 8 August 2001 12 8 Main Circuit Diagram 8 of 14...

Page 175: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 9 August 2001 12 9 Main Circuit diagram 9 of 14...

Page 176: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 10 August 2001 12 10 Main Circuit Diagram 10 of 14...

Page 177: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 11 August 2001 12 11 Main Circuit Diagram 11 of 14...

Page 178: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 12 August 2001 12 12 Main Circuit Diagram 12 of 14...

Page 179: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 13 August 2001 12 13 Main Circuit Diagram 13 of 14...

Page 180: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 14 August 2001 12 14 Main Circuit Diagram 14 of 14...

Page 181: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 15 August 2001 12 15 LIU Circuit Diagram...

Page 182: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 16 August 2001 12 16 OPE Circuit Diagram...

Page 183: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 17 August 2001 12 17 HVPS Circuit Diagram 1 of 2...

Page 184: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 18 August 2001 12 18 HVPS Circuit Diagram 2 of 2...

Page 185: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 19 August 2001 12 19 SMPS 110 Circuit Diagram...

Page 186: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 20 August 2001 12 20 SMPS 220 Circuit Diagram...

Page 187: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 21 August 2001 12 21 ADF Circuit Diagram...

Page 188: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 22 August 2001 12 22 Flat Circuit Diagram...

Page 189: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 23 August 2001 12 23 PTL Circuit Diagram...

Page 190: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 24 August 2001 12 24 Sensor Circuit Diagram...

Page 191: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 25 August 2001 12 25 Toner RX Circuit Diagram...

Page 192: ...Schematic Diagrams WorkCentre Pro 412 Launch Issue 12 26 August 2001 12 26 Toner TX Circuit Diagram...

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