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PRINTING QUALITY PROBLEMS

B173 4-26 SM

4.6.8 BACKGROUND

Description

Light dark background appears in whole area of the printing.

Check and Cause

Solution

Recycled recording paper has been
used.

Quality is not guaranteed when using
recycled paper.

The life of the Developer has expired.

Replace the AIO.

The up-to-down movement of the
transfer roller is swift?

Clean the bushings on the transfer
roller.

The HVPS is normal?
(Perform Engine Test Mode diagnostic
code 4)

Replace the HVPS (SMPS).

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

B173T921.WMF

Содержание AC104

Страница 1: ...B173 SERVICE DOCUMENTATION 001954MIU RICOH GROUP COMPANIES...

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Страница 3: ...B173 SERVICE DOCUMENTATION RICOH GROUP COMPANIES...

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Страница 5: ...B173 SERVICE DOCUMENTATION 001954MIU...

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Страница 7: ...RMISSION OF RICOH CORPORATION All product names domain names or product illustrations including desktop images used in this document are trademarks registered trademarks or the property of their respe...

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Страница 9: ...tion Users of this manual should be either service trained or certified by successfully completing a Ricoh Technical Training Program Untrained and uncertified users utilizing information contained in...

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Страница 11: ...LEGEND PRODUCT CODE COMPANY GESTETNER LANIER RICOH SAVIN B173 DSm516 AC017 AC104 AC104 DOCUMENTATION HISTORY REV NO DATE COMMENTS 6 2004 Original Printing...

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Страница 13: ...3 6 ADF MOTOR ASS Y 3 11 3 7 OPE UNIT ALSO KNOWN AS OP PORT 3 13 3 8 MIDDLE COVER AND EXIT ROLLER 3 14 3 9 ENGINE SHIELD ASS Y 3 16 3 10 MAIN PBA MAIN BOARD 3 17 3 11 SMPS ALSO KNOWN AS POWER SUPPLY...

Страница 14: ...6 4 5 2 DEFECTIVE LCD OPERATION 4 16 4 5 3 NOT FUNCTIONING OF THE FUSER GEAR DUE TO MELTING AWAY 4 16 4 5 4 PAPER EMPTY 4 17 4 5 5 PAPER EMPTY WITHOUT INDICATION 4 17 4 5 6 COVER OPEN 4 17 4 5 7 NO LA...

Страница 15: ...9 2 DEFECTIVE IMAGE QUALITY OF PC SCAN 4 38 4 10 ERROR MESSAGES 4 39 BYPASS JAM 4 39 COMM ERROR 4 39 DOCUMENT JAM 4 39 DOOR OPEN 4 39 GROUP NOT AVAILABLE 4 39 HEATING ERROR 4 39 LINE BUSY 4 39 LINE E...

Страница 16: ...6 PATTERN TEST 5 6 SHADING TEST 5 7 5 2 5 REPORT 5 8 PROTOCOL LIST 5 8 SYSTEM DATA 5 8 5 2 6 NEW CARTRIDGE 5 8 5 3 DATE OF SALE 5 8 5 4 FIRMWARE DOWNLOAD 5 9 5 4 1 DOWNLOAD PROCEDURE 5 9 RCP Remote C...

Страница 17: ...in function block 6 7 6 4 2 FLASH MEMORY 6 8 6 4 3 SDRAM 6 8 6 4 4 SENSOR INPUT CIRCUIT 6 8 Paper Empty Sensor 6 8 MP Sensing 6 8 Paper Feed and Toner Cartridge Sensor 6 8 Paper Exit Sensor 6 8 Cover...

Страница 18: ...3 SCAN SPECIFICATION 7 2 4 COPY SPECIFICATION 7 3 5 TELEPHONE SPECIFICAITON 7 4 6 FAX SPECIFICATION 7 5 7 PAPER HANDING 7 6 8 SOFTWARE 7 7 9 CONSUMABLES 7 7 APPENDIX BLOCK DIAGRAM 1 CONNECTION DIAGRA...

Страница 19: ...condition WARNING Never operate or service the printer with the protective cover removed from Laser Scanner assembly The reflected beam although invisible can damage your eyes When using this product...

Страница 20: ...fire can occur due to an over current condition in the outlet 4 Do not put water or other liquid pin clip etc in the machine It can cause a fire electric shock or malfunction If this occurs immediate...

Страница 21: ...s 13 Do not insert steel or metal pieces inside outside of the machine Do not insert metal pieces into the ventilator slots An electric shock can occur PRECAUTION RELATED TO HANDLING THE MACHINE If yo...

Страница 22: ...sily damaged by static electricity Such components are commonly called Electro statically Sensitive ES Devices or ESD s Examples of typical ESD s are integrated circuits some field effect transistors...

Страница 23: ...uctive foam aluminum foil or a comparable conductive material 7 Immediately before removing the protective shorting material from the leads of a replacement ESD touch the protective material to the ch...

Страница 24: ......

Страница 25: ...NANCE REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING SERVICE TABLES DETAILED DESCRIPTIONS SPECIFICATIONS APPENDIX TAB POSITION 2 TAB POSITION 1 TAB POSITION 3 TAB POSITION 4 TAB POSITION 6 TAB POSITION 5...

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Страница 27: ...INSTALLATION...

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Страница 29: ...INSTALLAITON SM 1 1 B173 Installation 1 INSTALLAITON Refer to the operating instructions for details...

Страница 30: ......

Страница 31: ...PREVENTIVE MAINTENANCE...

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Страница 33: ...ntal conditions and use will change The cycle period shown is for reference only Component Replacement Cycle Done by ADF Rubber 20 000 Pages Service Scanner ADF Pick up Ass y 60 000 Pages Service Fric...

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Страница 35: ...REPLACEMENT AND ADJUSTMENT...

Страница 36: ......

Страница 37: ...ments are in the memory 2 Disconnect the power cord 3 Remove the toner and drum cartridges before you disassemble parts 4 Use a flat and clean surface 5 Replace only with necessary components 6 Do not...

Страница 38: ...ve the four screws from the rear cover 2 Remove the rear cover A from the frame assembly and scanner assembly 3 Release the cover face up B that attaches the rear cover Then lift the cover face up out...

Страница 39: ...ent and Adjustment 3 3 SIDE COVERS 1 You must remove the rear cover 3 2 before you remove the side covers 2 Disconnect the speaker A 3 Lift the Left cover B and Right cover C in the direction of arrow...

Страница 40: ...ER B173 3 4 SM 3 4 FRONT COVER 1 Remove the cassette A 2 Open the front cover B 3 Remove the front cover that attaches the frame assembly Then remove the front cover B173R905 WMF B173R906 WMF B173R907...

Страница 41: ...ment 3 5 SCANNER ASS Y 1 You must remove these before you remove the scanner ass y Rear cover 3 2 Side covers 3 3 2 Remove the two screws from the scanner ass y A 3 Disconnect the 6 connectors from th...

Страница 42: ...SCANNER ASS Y B173 3 6 SM 4 Pull up the scanner ass y A 5 Pull the platen cover B up Then remove it B173R910 WMF B173R911 WMF A B...

Страница 43: ...Adjustment 6 Remove three screws from the scan lower assembly 7 Remove the OPE unit A Then disconnect the two connectors from the OPE unit Then remove it 8 Remove the four screws from the window cover...

Страница 44: ...SM 9 Release the window cover A from the scan lower assembly Then pull the window cover up Then remove it 10 Remove the CCD Cable B 11 Push the belt holder Then remove the Belt C B173R915 WMF B173R916...

Страница 45: ...ment and Adjustment 12 Pull up the CCD shaft A Then remove the scanner module B 13 Remove the reduction gear C and idle gear D 14 Remove the two screws Then remove the motor bracket E B173R918 WMF B17...

Страница 46: ...SCANNER ASS Y B173 3 10 SM 15 Disconnect the connector A from the open sensor assembly B 16 Release the open sensor C Then remove it B173R921 WMF B173R922 WMF C B A...

Страница 47: ...ment 3 6 ADF MOTOR ASS Y 1 Before you remove the ADF Motor Ass y you must remove these Rear Cover 3 2 Side Covers 3 3 Scanner Ass y 3 5 2 Remove the two screws from the ADF ass y A Then remove it 3 Re...

Страница 48: ...it until it gets to the slot Then remove the pick up ass y B 5 Remove the two screws from the upper cover C Then remove it 6 Disconnect the connector Then remove four screws from the ADF motor ass y D...

Страница 49: ...OWN AS OP PORT 1 Before you remove the OPE Unit you must remove these Rear Cover 3 2 Side Covers 3 3 Scanner Ass y 3 5 2 Remove the six screws from the OPE PBA A and OPE cover B 3 Remove the contact r...

Страница 50: ...Before you remove the Exit Roller you must remove these Rear Cover 3 2 Front Cover Ass y 3 4 Side Covers 3 3 Scanner Ass y 3 5 2 Remove the six screws from the top cover A 3 Release the top cover from...

Страница 51: ...OVER AND EXIT ROLLER SM 3 15 B173 Replacement and Adjustment 4 Remove the two screws from the rear upper cover A 5 Remove the exit gear B and bearing C from exit roller D B173R933 WMF 1 2 B173R934 WMF...

Страница 52: ...you remove the engine shield ass y you must remove these Rear Cover 3 2 Side Covers 3 3 Scanner Ass y 3 5 2 Remove the two screws Then disconnect the FPC cable from the main PBA Then remove the LIU P...

Страница 53: ...tem data list in Tech mode to keep programmed data before you do the replacement procedure 2 Do the Clear All Memory in Tech mode 5 1 3 after you finish the replacement procedure 1 Before you remove t...

Страница 54: ...move these Rear cover 3 2 Side covers 3 3 Scanner Ass y 3 5 Engine shield ass y 3 9 2 Remove the three screws from the inlet bracket A Then remove it 3 Disconnect one connector Then remove the one scr...

Страница 55: ...ain can cause failure To avoid hazardous situations do not replace any components inside the fusing unit such as thermistor hot roller stripper pawls fusing lamp etc 1 Before you remove the fuser ass...

Страница 56: ...you must remove these Rear cover 3 2 Side covers 3 3 2 Disconnect the connector from the SMPS Then remove the one screw Then remove the fan A B173R949 WMF A CAUTION Make sure to set the fan in the co...

Страница 57: ...SU LASER SCANNING UNIT 1 Before you remove the LSU you must remove these Rear cover 3 2 Side covers 3 3 Scanner Ass y 3 5 Front cover 3 4 Middle cover 3 8 2 Disconnect the two connectors 3 Remove the...

Страница 58: ...Y 1 Before you remove the drive ass y you must remove these Rear cover 3 2 Side covers 3 3 2 Remove the six screws from the drive ass y A 3 Remove the drive ass y Then disconnect the connector from t...

Страница 59: ...3 2 Side covers 3 3 Scanner Ass y 3 5 Front cover 3 4 Middle cover 3 8 LSU 3 14 2 Remove the three screws from the transfer ass y A Then remove it 3 Disconnect the PTL holder connector Then remove the...

Страница 60: ...vers 3 3 Scanner Ass y 3 5 Front cover 3 4 Middle cover 3 8 Drive ass y 3 15 2 Remove the two screws from the paper guide A Then remove it 3 Pull up the feed idle bushing B Then pull up the feed idle...

Страница 61: ...SM 3 25 B173 Replacement and Adjustment 5 Remove the idle gear A and feed gear 2 B 6 Remove feed gear 1 assembly C 7 Pull up the feed roller D and feed roller 1 E B173R960 WMF B173R961 WMF B173R962 WM...

Страница 62: ...he pick up ass y you must remove these Rear cover 3 2 Side covers 3 3 Front cover 3 4 Scanner Ass y 3 5 Middle cover 3 8 Engine shield Ass y 3 9 Drive Ass y 3 15 2 Remove the three screws from the fee...

Страница 63: ...3 27 B173 Replacement and Adjustment 4 Remove the pick up ass y A 5 Remove the two screws from the manual solenoid B and pick up solenoid C Then remove the manual solenoid and pick up solenoid 1 2 B1...

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Страница 65: ...TROUBLESHOOTING...

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Страница 67: ...PAPER PATH Scanner Part PTL PR CR DR SR TR FR OPC L S U Fuser Toner Cartridge 1 2 3 4 5 6 8 7 Sensor Doc ADF Roller Pickup Roller Exit Roller Doc Paper 30Sheets ADF Idle Roller Feed Roller CCD Module...

Страница 68: ...me passes 4 The paper passed the paper exit sensor moves out from the set Jam 2 occurs sometime after if the tailing edge of the paper has not exited out from the set after the leading edge of paper p...

Страница 69: ...hts red Find and remove the jammed paper If you don t see the paper open the covers Do not use a pinset or a sharp metal tool when removing a jam 4 2 1 CLEARING PAPER JAMS If paper jams occur PAPER JA...

Страница 70: ...l the paper cassette open 3 Remove the jammed paper by gently pulling it straight out NOTE If there is any resistance when you pull the paper or the paper is not seen in this area skip to the fuser ar...

Страница 71: ...he fuser area is hot Be careful when removing paper from the machine 1 Open the front cover and remove the toner cartridge 2 Remove the jammed paper by gently pulling it straight out 3 Replace the ton...

Страница 72: ...ntinue to Step 2 2 Gently pull the paper out of the front output tray 3 If there is any resistance when you pull the paper or the paper is not seen in the front output tray open the rear cover 4 Remov...

Страница 73: ...avoided If a paper jam occurs follow the steps outlined in Clearing Paper Jams Follow the procedures in Loading Paper Ensure that the adjustable guides are positioned correctly Do not overload the pap...

Страница 74: ...he document gently to the right and out of the ADF 3 Close the ADF top cover Then load the documents back into the ADF NOTE To prevent document jams use the document glass for the thick thin or mixed...

Страница 75: ...2 Turn the release knob so that you can easily remove the misfed document and remove the document from the ADF or the feed area by carefully pulling it towards the right by using both hands 3 Close th...

Страница 76: ...iod Kind of Abnormal Image 1 OPC Drum 75 5 mm White spot Block spot 2 Charge Roller 37 7 mm Black spot 3 Supply Roller 37 0 mm Horizontal density band 4 Develop Roller 35 2 mm Horizontal density band...

Страница 77: ...k the solenoid by using Engine Test Mode Diagnostic Mode 0 Replace the solenoid Check if the pad is loose due to bad sealing of the side pad Replace the side pad or assembly L or R if necessary Check...

Страница 78: ...just after passing through the Actuator Feed Check and Cause Solution If the recording paper is jammed in front of or inside the toner cartridge Replace the SMPS Power supply The actuator may be defe...

Страница 79: ...art is deformed in shape Check if burrs occur in the assembly part of the actuator Check if the actuator is smoothly operated Check if unwanted matters and wire got caught in the actuator exit s opera...

Страница 80: ...hol The front and back side of the paper is mixed Use smooth paper 4 4 6 PAPER STAYS ROLLED IN THE FUSER Description If contaminated at intervals of 57 mm on the back of a paper Check and Cause Soluti...

Страница 81: ...ning the OPC against the ongoing direction Clean fingerprints on the OPC softly with soft cloth dampened with IPA Isopropyl Alcohol and a tissue 4 4 8 DEFECTIVE ADF Description ADF does not operate co...

Страница 82: ...then replace the OPE assembly Connector Board and Main Board in sequence 4 5 2 DEFECTIVE LCD OPERATION Description Defective LCD Operation Check and Cause Solution Clear the memory 5 2 3 The key is de...

Страница 83: ...rator panel does not come on when the paper cassette is empty Check and Cause Solution Bending or deformation of the actuator of the paper sensor Replace the defective actuator The function of the Mai...

Страница 84: ...inting and paper does not feed into the printer resulting Jam 0 Check and Cause Solution Motor harness or Main Board may be defective Check the motor harness if defective replace Perform Engine Test M...

Страница 85: ...CAL LINES CURVED Description When printing vertical lines curve Check and Cause Solution Replace LSU If the supply of 24v is unstable in the Main Board linking with LSU check drive by Engine Test Mode...

Страница 86: ...on 1 Damaged develop roller in the Developer Deformed Doctor blade or cleaning blade If causes 1 and 2 occur in the developer cartridge replace the AIO and try to print again 2 Scratched surface of th...

Страница 87: ...light image occur in front of the image Open the cover of LSU and clean with a cotton swab on the surface of the reflex mirror with a clean cotton swab It may occur when a Burr and foreign substances...

Страница 88: ...each voltage terminal of the Charge Supply Develop and Transfer roller remove the toner particles and paper particles The rollers of developer may be stained Charge roller 37 7 mm Supply roller 37 mm...

Страница 89: ...or 3 times If faded areas or voids occur in a black image at intervals of 75 5 mm or black spots occur elsewhere the OPC drum surface is damaged In case of 75 5 mm interval clean foreign substances st...

Страница 90: ...ent temperature is below than 10 C Wait 30 minutes after the machine is powered on before you start printing Bad contact caused by the toner stains between the high voltage terminal in the HVPS and th...

Страница 91: ...did not correct the problem replace the HVPS SMPS 4 6 7 UNEVEN DENSITY Description Print density is uneven between left and right Check and Cause Solution The pressure force on the left and right spr...

Страница 92: ...used Quality is not guaranteed when using recycled paper The life of the Developer has expired Replace the AIO The up to down movement of the transfer roller is swift Clean the bushings on the transf...

Страница 93: ...main body and the electrode in the HVPS board Problem in the toner cartridge replace the AIO and try to print again The life of developer is expired Replace the Main Board if not solved by the above t...

Страница 94: ...returning to the original Mode 4 6 11 GHOST 3 Description White ghost occurs in the black image printing at 32 mm intervals Check and Cause Solution The life of the developer may be expired Problem i...

Страница 95: ...on the face of the printed page is stained Check and Cause Solution Toner leakage due to improperly sealed developer Replace the AIO If the transfer roller is contaminated stains on the face of page w...

Страница 96: ...transfer roller Replace the transfer roller if contaminated severely Pressure roller is contaminated Replace the fuser 4 6 15 BLANK PAGE PRINT OUT 1 Description Blank page is printed Check and Cause...

Страница 97: ...nk pages print Check and Cause Bad ground contacts in OPC and or developer Remove contamination of the terminals of the AIO Perform the engine self test using Engine Test Mode diagnostic code 0 to che...

Страница 98: ...the Speaker connection and try to replace it Check if the SPEAKER is connected correctly Lastly try to replace the Main Board 4 7 2 DEFECTIVE TONE DIAL Description The Tone Dial is not functioning Che...

Страница 99: ...ning or the received data are broken Check and Cause Solution Check if there is NOISE when pressing on hook dial Check the RECEIVE condition by trying to forward a FAX to another fax machine from the...

Страница 100: ...status of the forwarding side is also normal 4 7 7 DEFECTIVE FAX RECEIVE 3 Description The phone is ringing continuously but it cannot receive Check and Cause Solution Check if the RECEIVE mode is TEL...

Страница 101: ...receiving function is not working Check and Cause Solution If the RECEIVE mode is set to the TEL MODE reset it to the FAX MODE Check if the RECEIVE mode is TEL MODE or FAX MODE Even after the RECEIVE...

Страница 102: ...k page is printed out when Copy Check and Cause Solution Check the CCD problem in Main Board Check the CCD harness contact Check shading profile Remake shading profile in the tech mode 4 8 3 ABNORMAL...

Страница 103: ...E QUALITY Description The copied image is light or bad Check and Cause Solution Check shading profile Remake shading profile in the tech mode Check the gap between original and scanner glass The gap a...

Страница 104: ...s not reinstall the printer driver Refer to Operating Instructions Check if copy function operates normally If the copy function works replace the Main Board If the copy function does not work replace...

Страница 105: ...problem Solution Try again DOCUMENT JAM Description Document jams in the feeder when document jam occurs at ADF Solution Clear the document jam DOOR OPEN Description Side cover is not correctly close...

Страница 106: ...machine did not answer after all the redial attempts Solution Try again Make sure the remote machine is OK NO CARTRIDGE Description When the machine detected the toner cartridge has not been installed...

Страница 107: ...aper exit unit Solution Clear the jam RETRY REDIAL Description The machine is waiting for the programmed interval to automatically redial Solution You can press START to immediately redial or STOP to...

Страница 108: ...y improve the print quality by redistributing the toner Shake the toner cartridge however you should replace the toner cartridge to solve the problem thoroughly Redistributing Toner When the toner car...

Страница 109: ...ribute the toner evenly inside the cartridge 4 Save the box and the cover for shipping Slide the new toner cartridge in until it locks into place 5 Close the front cover NOTE Help the environment by r...

Страница 110: ...nning Unit LSU window with a cotton swab then recheck OK Lack of toner 2 In case of 2 if it becomes better after cleaning the LSU window then the cartridge is normal Because of foreign substance on th...

Страница 111: ...ted with toner Check the life of the cartridge 2 Check whether it could be recycled Toner Contamination Toner is fallen on the papers periodically Contaminated with toner on prints partly or over the...

Страница 112: ...intervals of 75 mm or black spots occur elsewhere the OPC drum is damaged or foreign substance is stuck to the surface 2 In case of 2 If they do not disappeared by running the OPC Cleaning Mode Print...

Страница 113: ...black Black image printed out Check whether foreign sub stances are stuck to the terminal point of contact of the cartridge and the state of assembly Especially check the charged roller terminal 2 In...

Страница 114: ......

Страница 115: ...SERVICE TABLES...

Страница 116: ......

Страница 117: ...firm On Off On Err Auto Report On Off Auto Reduction On Off Discard Size 0 30 MM Receive Code 0 9 3 Fax Setup DRPD Mode Set On Off Delay Fax Enter number Priority Fax Enter number 4 Fax Feature Add Ca...

Страница 118: ...ar Memory On Off This item shows only in some country code settings The table shows functions the user can set Examine the user manual for instructions The service manual shows things that the user ca...

Страница 119: ...Toner Serial No Clear All Memory Select Country Code Total Page CNT CRU Print CNT FLT Scan CNT ADF Scan CNT Used Toner CNT Clear Count Enter Password 1934 enter Edit Toner Dot Flash Upgrade Local Remo...

Страница 120: ...s automatic when modem speed sets at lower speed Keep the default at 33 6 Kbps ERROR RATE The baud rate automatically goes to 2400 bps when the error rate is not the same as the set value This keeps t...

Страница 121: ...e after you replace the main board If you do not perform this procedure the system will not operate correctly CLEAR COUNT This function erases the counters stored in system memory Type password 1934 t...

Страница 122: ...smission signal sound is heard the modem part of the main board is not operate correctly DRAM TEST Use this to examine the machine s DRAM The LCD shows the result The LCD shows O K if the memory works...

Страница 123: ...e condition of the print out Then examine if there is CCD problems Procedure 1 Set the ADJUST SHADING in tech mode 2 Press the Enter key An image will be scanned 3 After the scan CCD SHADING PROFILE w...

Страница 124: ...E OF SALE This function shows the date that the customer used the machine for the first time When the customer first operates the machine the machine starts a scan and page count The machine will keep...

Страница 125: ...emulation version are shown 3 Keep the firmware file on the PC in a path near to the root of C ie C TEMP Use the Browse button to get the firmware file to update the machine 4 Push the update button...

Страница 126: ...remote fax 1 Operate a fax with the most recent firmware to prepare it to send the upgrade 2 Select Remote in the Flash Upgrade of Data Setup menu in Tech mode Tech Mode Data Setup Flash Upgrade 5 2...

Страница 127: ...MTR FAN SOL ETC PTL Test 1 On 2 Off LSU Motor Test 1 On 2 Off LSU Hsync Test 1 On 2 Off 1 LSU TEST LD Test 1 On 2 Off Check Check Sensor status Feed Sensor Test Next Next Sensor Check Check Check Sens...

Страница 128: ...When the function is enabled a group of parameters are printed at the bottom of each page This shows the print engine condition This is not necessary for service use This setting will remain on when y...

Страница 129: ...DETAILED DESCRIPTIONS...

Страница 130: ......

Страница 131: ...PRINTER COMPONENTS SM 6 1 B173 Detailed Descriptions 6 DETAILED DESCRIPTIONS 6 1 PRINTER COMPONENTS 6 1 1 FRONT VIEW 6 1 2 REAR VIEW B173D900 WMF B173D901 WMF...

Страница 132: ...m2 20 lb paper standard Manual 1 sheet Paper OHP Envelope etc Paper detect sensor Photo sensor Paper size sensor None 6 2 2 TRANSFER ASSEMBLY This unit has a PTL pre transfer lamp also known as the q...

Страница 133: ...ith Teflon to prevent the melted toner from sticking to the heat roller Pressure roller The pressure roller located below the heat roller is made of silicon resin and the surface of the roller is coat...

Страница 134: ...and image processor Located in CPU Mechanical ADF Automatic Document Feeder 6 2 6 LSU LASER SCANNER UNIT The video controller controls the LSU unit It scans the video data from the video controller w...

Страница 135: ...it are in the same cartridge The OPC unit has the OPC drum A and charging roller B The developer unit has toner toner cartridge supply roller developing roller and doctor blade Developing procedure No...

Страница 136: ...mber of CRU replaced Replaced Toner Counts 6 3 2 TONER END DETECTION The machine does not have a toner end sensor The machine determines the amount of toner with software The machine counts and adds t...

Страница 137: ...an motor drive signal 6 4 1 ASIC CHORUS2 The 16 32 bit RISC micro controller gives a cost effective low power high performance micro controller solution for MFP Main function block 1 8V internal 3 3V...

Страница 138: ...r Feed and Toner Cartridge Sensor When paper passes the actuator feed sensor part it detects the photo interrupter signal Then lets the CPU know the paper feed condition Then it sends image data If it...

Страница 139: ...Drive Driven by transistor and controlled by the CPU When it is set high the transistor turns on and drives the fan It goes off when the sleep mode is set There are two solenoids driven by the paper p...

Страница 140: ...density shows Toner on OPC drum cannot correctly transfer to the paper Charge voltage MHV Function Charges the OPC surface of with 900 V 1000 V Output voltage 1 3 KV 1 8 KV DC 50 V Error If MHV does n...

Страница 141: ...cated at the bottom of the set It has the SMPS part which gives DC power to drive the system The AC heater control part gives power to fuser SMPS has four outputting channels 5 V 12 V 12 V and 24 Vs T...

Страница 142: ...ge of the paper does not get to the feed sensor Feed sensor does not go on when the paper gets to the feed sensor This will show after the paper goes past the feed sensor Jam 1 The trailing edge of th...

Страница 143: ...145 C for 4 seconds for consecutive pages 2 Sets at 25 C or lower than the fixed fusing temperature over 4 seconds for consecutive pages Over heat error Goes higher than 220 C for 3 seconds 6 6 5 LSU...

Страница 144: ...uit to interface with a telephone line There is a ring detect circuit to detect a ring signal from a switchboard In addition there is a surge absorber to protect the machine during lightning storms 6...

Страница 145: ...SPECIFICATIONS...

Страница 146: ......

Страница 147: ...350 W Power Consumption Sleep Mode 20 W Power Switch Yes Operating 55 dBA Noise Standby 39 dBA Warm Up Less than 42 seconds Approval Class B Device Memory 16 MB Size W D H w o Hand Set 474 x 436 x 41...

Страница 148: ...12 seconds FPOT Power Save Less than 54 seconds Duplex Print Manual driver support provided Printable Area 207 6 x 270 6 mm Letter 3 SCAN SPECIFICATION Configuration Desktop Halftone Gray Scale 256 le...

Страница 149: ...Power Save Approx 54 seconds FCOT ADF Stand by Approx 17 seconds SDMC 16cpm A4 17 cpm LTR Platen MDMC 7cpm A4 17 cpm LTR SDMC 16 cpm LTR Copy Speed Letter ADF MDMC 4 cpm LTR Scan 600 600dpi Resolution...

Страница 150: ...uto Redial Yes Last Number Redial Yes Distinctive Ring No Caller ID No External Phone Interface No Tx Rx Journal Yes Confirmation 2 types available With Image TCR w o image TCR Help List No Auto Dial...

Страница 151: ...x 300dpi Std Approx 5sec LTR Fine Approx 7 5sec LTR Scan Speed Super Fine Approx 7 5sec LTR Rx fax duplex print out No Multiple page scan speed Approx 7 ppm LTR Receive Mode Fax TEL Capacity 4MB 320 p...

Страница 152: ...3 4 9 10 DL C5 B5 Main tray 16 24 lb 60 90 G m2 Paper Weight Bypass 16 32 lb 60 163 G m2 Standard output Bottom to Middle Front Paper Path Straight through Face up Single Sheet Max 216 x 356mm 8 5 x 1...

Страница 153: ...4 0 Yes Win 2000 Yes Win XP Yes WHQL for Printer Only Mac Yes Mac printer only Compatibility Linux No Printer GDI TWAIN Yes Driver PC FAX No PC fax is only available through PC Modem 9 CONSUMABLES Con...

Страница 154: ......

Страница 155: ...APPENDIX...

Страница 156: ......

Страница 157: ...APPENDIX APPENDIX 1 B173 Appendix APPENDIX BLOCK DIAGRAM B173X900 WMF...

Страница 158: ...APPENDIX B173 2 APPENDIX CONNECTION DIAGRAM B173X901 WMF...

Страница 159: ...lampere MB Megabyte dBM decibel milliwatt MHz Megahertz DC direct current NVRAM Nonvolatile random access memory DCU Diagnostic Control Unit OPC Organic Photo Conductor DPI Dot Per Inch PBA Printed Bo...

Страница 160: ......

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