Ricoh B173 Service Documentation
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Ricoh B173 Service Documentation

Ricoh B173 Service Documentation

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B173
SERVICE DOCUMENTATION
001954MIU
RICOH GROUP COMPANIES

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  • Page 1 B173 SERVICE DOCUMENTATION 001954MIU RICOH GROUP COMPANIES...
  • Page 3 ® ® RICOH GROUP COMPANIES...
  • Page 5 B173 SERVICE DOCUMENTATION 001954MIU...
  • Page 7 It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is in the best interest of Ricoh Corporation and its member companies. NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY FASHION AND DISTRIBUTED WITHOUT THE PRIOR PERMISSION OF RICOH CORPORATION.
  • Page 9 Ricoh Corporation. Users of this manual should be either service trained or certified by successfully completing a Ricoh Technical Training Program. Untrained uncertified users utilizing...
  • Page 11 LEGEND PRODUCT CODE COMPANY GESTETNER LANIER RICOH SAVIN B173 DSm516 AC017 AC104 AC104 DOCUMENTATION HISTORY REV. NO. DATE COMMENTS 6/2004 Original Printing...

  • Page 13: Table Of Contents

    B173 TABLE OF CONTENTS INSTALLATION 1. INSTALLAITON................1-1 PREVENTIVE MAINTENANCE 2. PREVENTIVE MAINTENANCE............ 2-1 REPLACEMENT AND ADJUSTMENT 3. REPLACEMENT AND ADJUSTMENT ........3-1 3.1 GENERAL PRECAUTIONS ON DISASSEMBLY ........3-1 You must do these before you service the machine: ......3-1 Releasing Plastic Latches..............3-1 3.2 REAR COVER...................3-2...
  • Page 14 4.6.11 GHOST (3) ...................4-28 4.6.12 GHOST (4) ...................4-29 4.6.13 STAINS ON THE FRONT OF THE PAGE........4-29 4.6.14 STAINS ON BACK OF THE PAGE..........4-30 4.6.15 BLANK PAGE PRINT OUT (1) .............4-30 4.6.16 BLANK PAGE PRINT OUT (2) .............4-31 4.7 FAX & PHONE PROBLEMS..............4-32 B173...
  • Page 15 TONER EMPTY ..................4-41 TONER LOW ..................4-41 4.11 TONER CARTRIDGE (AIO) SERVICE..........4-42 4.11.1 PRECAUTIONS ON SAFE-KEEPING OF TONER CARTRIDGE ...4-42 4.11.2 SERVICE FOR THE LIFE OF TONER CARTRIDGE ....4-42 Redistributing Toner................4-42 4.11.3 SIGNS AND MEASURES AT POOR TONER CARTRIDGE ..4-44 B173...
  • Page 16 5.5 ENGINE TEST MODE................5-11 5.5.1 TO ENTER THE ENGINE TEST MODE.........5-11 5.5.2 DIAGNOSTIC .................5-11 5.5.3 STATUS PRINT................5-13 DETAILED DESCRIPTIONS 6. DETAILED DESCRIPTIONS ............6-1 6.1 PRINTER COMPONENTS ................6-1 6.1.1 FRONT VIEW ...................6-1 6.1.2 REAR VIEW ..................6-1 6.2 SYSTEM LAYOUT ..................6-2 B173...
  • Page 17 6.5.2 SMPS (SWITCHING MODE POWER SUPPLY) ......6-11 6.6 ENGINE F/W ...................6-12 6.6.1 FEEDING..................6-12 Jam 0 ....................6-12 Jam 1 ....................6-12 Jam 2 ....................6-12 6.6.2 DRIVE.....................6-12 6.6.3 TRANSFER ..................6-12 6.6.4 FUSING ..................6-13 Error Type...................6-13 6.6.5 LSU....................6-13 Error Type...................6-13 6.7 LIU BOARD .....................6-14 6.8 OPE BOARD ...................6-14 B173...
  • Page 18 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 DIAGRAM................... 2 ACRONYMS AND ABBREVIATIONS ..............3 PARTS CATALOG SEE PARTS CATALOG FOR DETAILED TABLE OF CONTENTS B173...
  • Page 19 PRECAUTIONS Please carefully read the cautions below to prevent accidents while servicing the machine. WARNING FOR SAFETY 1. Request the service by qualified service person. The service for this machine must be performed by a qualified service person. It is dangerous if an unqualified service person or user tries to repair the machine.

  • Page 20: Caution For Safety

    CAUTION FOR SAFETY PRECAUTION RELATED NOXIOUS MATERIAL It is possible to be harmed from noxious material if you ignore the below information. 1. Do not touch the damaged LCD. Noxious liquid to a human body exists in the LCD. If it is got into the mouth, immediately see a doctor. If it gets into the eyes or on the skin, immediately wash off with flowing water for 15 minutes and then see a doctor.
  • Page 21 9. Use caution during lightning storms. It may cause a fire or electric shock. Unplug the power plug off under these conditions. Do not touch cable and device during a lightning storm. 10. Avoid damp or dusty areas. Do not install the machine in dusty areas or around humidifiers.

  • Page 22: Esd Precautions

    PRECAUTIONS FOR WHEN ASSEMBLY/DISASSEMBLY Replace parts very carefully. Remember the location of each cable before removing parts, in order to reconnect it afterwards. Please perform the steps below before replacing or disassembling any parts. 1. Check the contents stored in the memory. Either print a copy of stored data or write down all of the needed information.
  • Page 23 4. Only use an “anti-static” solder removal device. Some solder removal devices not classified as “anti-static” and can generate an electrical charge sufficient to damage ESD’s. 5. Do not use Freon-propelled chemicals. When sprayed, these can generate electrical charges sufficient to damage ESD’s. 6.
  • Page 25 INSTALLATION PREVENTIVE MAINTENANCE REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING SERVICE TABLES DETAILED DESCRIPTIONS SPECIFICATIONS APPENDIX...

  • Page 27: Installation

    INSTALLATION...

  • Page 29: Installaiton

    INSTALLAITON 1. INSTALLAITON Refer to the operating instructions for details. B173...

  • Page 31: Preventive Maintenance

    PREVENTIVE MAINTENANCE...
  • Page 33 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 Friction Pad 60,000 pages Service Paper Feed Roller 60,000 Pages Service Printer Transfer Roller 60,000 Pages Service Fuser 60,000 Pages Service B173...

  • Page 35: Replacement And Adjustment

    REPLACEMENT AND ADJUSTMENT...

  • Page 37: General Precautions On Disassembly

    Releasing Plastic Latches Many parts set in their positions with plastic latches. The latches break easily. Release them carefully. Push the hook end of the latch away from the part to which it is latched to remove these parts. B173R967.WMF B173...

  • Page 38: Rear Cover

    1. Remove the four screws from the rear cover. B173R900.WMF 2. Remove the rear cover [A] from the frame assembly and scanner assembly. B173R901.WMF 3. Release the cover - face up [B] that attaches the rear cover. Then lift the cover - face up out. B173R902.WMF B173...

  • Page 39: Side Covers

    3.3 SIDE COVERS 1. You must remove the rear cover (! 3.2) before you remove the side covers. 2. Disconnect the speaker [A]. B173R903.WMF 3. Lift the Left cover [B] and Right cover [C] in the direction of arrow. B173R904.WMF B173...

  • Page 40: Front Cover

    FRONT COVER 3.4 FRONT COVER 1. Remove the cassette [A]. B173R905.WMF 2. Open the front cover[B]. B173R906.WMF 3. Remove the front cover that attaches the frame assembly. Then remove the front cover. B173R907.WMF B173...

  • Page 41: 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]. B173R908.WMF 3. Disconnect the 6 connectors from the connector PBA [B]. B173R909.WMF B173...
  • Page 42 SCANNER ASS’Y 4. Pull up the scanner ass’y [A]. B173R910.WMF 5. Pull the platen cover [B] up. Then remove it. B173R911.WMF B173...
  • Page 43 6. Remove three screws from the scan lower assembly. B173R912.WMF 7. Remove the OPE unit [A]. Then disconnect the two connectors from the OPE unit. Then remove it. B173R913.WMF 8. Remove the four screws from the window cover. B173R914.WMF B173...
  • Page 44 9. Release the window cover [A] from the scan lower assembly. Then pull the window cover up. Then remove it. B173R915.WMF 10. Remove the CCD Cable [B]. B173R916.WMF 11. Push the belt holder. Then remove the Belt [C]. B173R917.WMF B173...
  • Page 45 SCANNER ASS’Y 12. Pull up the CCD shaft [A]. Then remove the scanner module [B]. B173R918.WMF 13. Remove the reduction gear [C] and idle gear [D]. B173R919.WMF 14. Remove the two screws. Then remove the motor bracket [E]. B173R920.WMF B173...
  • Page 46 SCANNER ASS’Y 15. Disconnect the connector [A] from the open sensor assembly [B]. B173R921.WMF 16. Release the open sensor [C]. Then remove it. B173R922.WMF B173 3-10...

  • Page 47: 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. B173R923.WMF 3. Remove the open cover [B]. B173R924.WMF 3-11 B173...
  • Page 48 Then remove the pick- up ass’y [B]. B173R925.WMF 5. Remove the two screws from the upper cover [C]. Then remove it. B173R926.WMF 6. Disconnect the connector. Then remove four screws from the ADF motor ass’y [D]. Then remove it. B173R927.WMF B173 3-12...

  • Page 49: Ope Unit (Also Known As Op-Port)

    • Side Covers (! 3.3) • Scanner Ass’y (! 3.5) 2. Remove the six screws from the OPE PBA [A] and OPE cover [B]. B173R928.WMF 3. Remove the contact rubber [C] and the key pad [D] from the OPE cover. B173R929.WMF B173R930.WMF 3-13 B173...

  • Page 50: Middle Cover And Exit Roller

    • 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]. B173R931.WMF 3. Release the top cover from the frame assembly [B]. Then remove the top cover. B173R932.WMF B173 3-14...
  • Page 51 MIDDLE COVER AND EXIT ROLLER 4. Remove the two screws from the rear upper cover [A]. B173R933.WMF 5. Remove the exit gear [B] and bearing [C] from exit roller [D]. B173R934.WMF 3-15 B173...

  • Page 52: Engine Shield Ass'y

    • 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 PBA [A]. B173R935.WMF 3. Disconnect two connectors [B]. B173R936.WMF B173 3-16...

  • Page 53: Main Pba (Main Board)

    • Rear cover (! 3.2) • Side covers (! 3.3) • Scanner Ass’y (! 3.5) • Engine shield ass’y (! 3.9) 2. Disconnect one connector. Then remove the five screws from the main PBA. Then remove the main PBA [A]. B173R938.WMF 3-17 B173...

  • Page 54: Smps (Also Known As Power Supply Unit)

    2. Remove the three screws from the inlet bracket [A]. Then remove it B173R939.WMF 3. Disconnect one connector. Then remove the one screw from the engine shield. B173R940.WMF 4. Remove the three screws from the SMPS [B]. Then remove the SMPS. B173R941.WMF B173 3-18...

  • Page 55: Fuser Ass'y (Also Known As Fusing Unit)

    • Side covers (! 3.3) • Scanner Ass’y (! 3.5) • Engine shield ass’y (! 3.9) 2. Disconnect the two connectors from the main PBA and SMPS. Then remove the four screws from the fusing unit [A]. Then remove it. B173R942.WMF 3-19 B173...

  • Page 56: Fan

    • Side covers (! 3.3) 2. Disconnect the connector from the SMPS. Then remove the one screw. Then remove the fan [A]. B173R949.WMF CAUTION: Make sure to set the fan in the correct position. The label on the fan must face outward. B173 3-20...

  • Page 57: Lsu (Laser Scanning Unit)

    • Side covers (! 3.3) • Scanner Ass’y (! 3.5) • Front cover (! 3.4) • Middle cover (! 3.8) 2. Disconnect the two connectors. B173R950.WMF 3. Remove the four screws from the LSU [A]. Then remove it. B173R951.WMF 3-21 B173...

  • Page 58: Drive Ass'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]. B173R952.WMF 3. Remove the drive ass’y. Then disconnect the connector from the main PBA. B173R953.WMF B173 3-22...

  • Page 59: Transfer Ass'y

    [A]. Then remove it. B173R954.WMF 3. Disconnect the PTL holder connector. Then remove the PTL holder [B] and PTL Lens [C]. B173R955.WMF 4. Release the bushing [D]. Then remove it. Then remove transfer roller [E]. B173R956.WMF 3-23 B173...

  • Page 60: Feed Ass'y

    [A]. Then remove it. B173R957.WMF 3. Pull up the feed idle bushing [B]. Then pull up the feed idle shaft [C]. B173R958.WMF 4. Remove the three screws from the feed bracket [D]. Then remove it. B173R959.WMF B173 3-24...
  • Page 61 FEED ASS’Y 5. Remove the idle gear [A] and feed gear 2 [B]. B173R960.WMF 6. Remove feed gear 1 assembly [C] . B173R961.WMF 7. Pull up the feed roller [D] and feed roller 1 [E]. B173R962.WMF 3-25 B173...

  • Page 62: Pick Up Ass'y And Solenoid

    • Middle cover (!3.8) • Engine shield Ass’y (! 3.9) • Drive Ass’y (! 3.15) 2. Remove the three screws from the feed bracket [A]. Then remove it. B173R959.WMF 3. Remove the pick up gear assembly [B]. B173R964.WMF B173 3-26...
  • Page 63 PICK UP ASS’Y AND SOLENOID 4. Remove the pick-up ass’y [A]. B173R965.WMF 5. Remove the two screws from the manual solenoid [B] and pick-up solenoid [C]. Then remove the manual solenoid and pick-up solenoid. B173R966.WMF 3-27 B173...

  • Page 65: Troubleshooting

    TROUBLESHOOTING...

  • Page 67: Paper Path

    PAPER PATH 4. TROUBLESHOOTING 4.1 PAPER PATH Scanner Part ADF-Roller Pickup-Roller Doc-Paper(30Sheets) ADF-Idle Roller Sensor-Regi Sensor-Doc Exit-Roller Feed-Roller Sensor-Scan White-Sheet CCD-Module Engine Part L S U Fuser Toner Cartridge B173T936.WMF B173...

  • Page 68: Copy & Scan Document Path

    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 passes the paper exit sensor.) B173...

  • Page 69: Clearing Jams

    BYPASS JAM: In the Bypass tray Paper Jam 0 Paper Jam 1 B173T939A.WMF B173T939B.WMF MP Sensor B173T939C.WMF B173T939D.WMF Paper Jam 2 Bypass Jam Follow the steps below to clear a jam. To avoid tearing the paper, pull the jammed paper out gently and slowly. B173...

  • Page 70: Jam0 (In The Paper Feed Area)

    B173T945.WMF 4. Insert the paper tray into the machine until it snaps into place. 5. Open and close the front cover to B173T946.WMF resume printing. B173...

  • Page 71: Jam1 (In The Fuser Area Of Around The Toner Cartridge Area)

    NOTE: The fuser area is hot. Be careful when removing paper from the machine. 1. Open the front cover and remove the toner cartridge. B173T950.WMF 2. Remove the jammed paper by gently pulling it straight out. B173T951.WMF 3. Replace the toner cartridge and close the front cover. Printing automatically resumes. B173T952.WMF B173...

  • Page 72: Jam2 (In The Paper Exit Area)

    B173T948.WMF 4. Remove the jammed paper by gently pulling it straight out. 5. Close the rear cover. 6. Open and close the front cover to B173T949.WMF resume printing. B173...

  • Page 73: Bypass Jam (In The Bypass Tray)

    • Do not mix paper types in the paper tray. • Use only recommended print materials. See “Paper Specifications ” • Ensure that the recommended print side is facing down when loading paper in the paper tray and facing up in the Bypass tray. B173...

  • Page 74: Clearing Document Jams

    NOTE: To prevent document jams, use the document glass for the thick, thin or mixed documents. Exit Misfeed 1. Open the document cover and turn the release knob to remove the misfed documents from the exit area. 2. Close the document cover. Then load the documents back into the ADF. B173...

  • Page 75: Roller Misfeed

    ADF or the feed area by carefully pulling it towards the right by using both hands. B173T943.WMF 3. Close the document cover. Then load the documents back into the ADF. B173...

  • Page 76: Abnormal Image Printing And Defective Roller

    Supply Roller 37.0 mm Horizontal density band Develop Roller 35.2 mm Horizontal density band Transfer Roller 45.3 mm Black side contamination/transfer fault Hot Roller 66.3 mm Black spot and fuser ghost Pressure Roller 75.5 mm Black side contamination B173 4-10...

  • Page 77: Paper Feeding Problems

    If the paper feeds into the printer and Jam 0 occurs, perform Engine Test Mode to check feed-sensor of the engine board. 4-11 B173...

  • Page 78: Jam 1

    The actuator may be defective if the Reassemble the Actuator-Feed and recording paper stays in the transfer Spring-Actuator if the return is bad. roller and the fuser after it passes through the actuator-feed. B173 4-12...

  • Page 79: Jam 2

    Remove the jammed paper after you disassemble the fuser: Clean the surface of the pressure roller with dry gauze. • Remove the toner particles stained on the rib. • Check the assembly and the performance of the exit. 4-13 B173...

  • Page 80: Multi-Feeding

    NOTE: As explained in page 3-19, assembly/disassembly of the fuser unit should be kept to a minimum, in order to avoid hazardous situations. If background appears refer to the Solutions for background. () 4.6.8) B173 4-14...

  • Page 81: Paper Rolled In The Opc

    Check if the document sensors of are damaged. OPE assembly (2 paper sensors) are normal. Check if the document sensors of ADF If you cannot visually confirm the Ass’y (3 sensors) are normal. damaged part, try to replace the ADF Ass’y. 4-15 B173...

  • Page 82: Printing Problems

    4.5.3 FUSER FAILURE DUE TO MELTED GEAR Description The motor breaks away from its place due to gear melting away. Check and Cause Solution Replace the Fuser. Check the Fusing Lamp. Replace the Main Board. Replace the SMPS. (Power supply) B173 4-16...

  • Page 83: Paper Empty

    Replace the hook lever, if defective. be defective. Check the connector (CN1) and circuit Check the insertion of the Cover Open of the cover switch department in the S/W Connecter. Main Board. Replace the Main Board or Cover Open S/W. 4-17 B173...

  • Page 84: No Lamp On When The Cover Is Open

    Check if the power input and SMPS Replace the power supply cord or output are normal. SMPS. Replace the OPE ass’y. Check for defective of LED-Panel on the OPE if the LED of panel does not appear after normal warming-up. B173 4-18...
  • Page 85 When printing, vertical lines curve. Check and Cause Solution If the supply of +24v is unstable in the Replace LSU. Main Board linking with LSU, check drive by Engine Test Mode: Diagnostic Code Check -1- LSU Motor on. Replace the Main Board. 4-19 B173...

  • Page 86: Printing Quality Problems

    AIO cleaning-blade. and try to print again. 2. Scratched surface of the discharge Replace the transfer roller if occurred roller in the developer. as No. 3. 3. Partial depression or deformation on the surface of the transfer roller. B173 4-20...

  • Page 87: Vertical White Line

    If the fuser is defective, voids occur Open the front cover and check if the periodically at the top of a black image. ribs correspond to the position of the voids. Remove if found. If the problems are not solved, replace the AIO. 4-21 B173...

  • Page 88: Horizontal Black Band

    Clean the right Gear that has a stained. relatively small gap of the teeth in the Charge roller = 37.7 mm OPC. Supply roller = 37 mm Develop roller = 35.3 mm Transfer roller = 45.3 mm If the malfunction persists, replace the AIO. B173 4-22...

  • Page 89: Black/White Spot

    60,000 sheets. If the roller’s life is transfer roller’s life has expired. expired, replace it. In case of 37.7 mm interval, take measures as to replace the AIO and try to print again. 4-23 B173...

  • Page 90: Light Image

    HVPS and the terminal in the AIO. Abnormal output from the HVPS. (Run self-test and check the solution) Replace the HVPS (SMPS) if the problems are not solved by the above solutions. B173 4-24...

  • Page 91: Dark Image Or A Black

    The life of the Developer has expired. Problem with the toner cartridge, replace the AIO and try to print again. The toner level is not even on the developer roller due to the bad blade. 4-25 B173...

  • Page 92: Background

    The life of the Developer has expired. Replace the AIO. The up-to-down movement of the Clean the bushings on the transfer transfer roller is swift? roller. The HVPS is normal? Replace the HVPS (SMPS). (Perform Engine Test Mode diagnostic code 4) B173 4-26...
  • Page 93 Abnormal low temperature (below Wait about 1 hour after power on 10°C). before using machine. Damaged cleaning blade in the Problem in the toner cartridge, replace developer. the AIO and try to print again. 4-27 B173...

  • Page 94: Ghost (1)

    AIO and try to print again. The abnormal voltage and bad contact Check the approved voltage of the of the terminal of the supply roller supply roller and contact of the terminal and adjust if necessary. B173 4-28...

  • Page 95: Ghost (4)

    If the transfer roller is contaminated, If the transfer roller is contaminated, stains on the face of page will occur. run PC Cleaning Mode Print 2 or 3 times. And perform Self-Test 2 or 3 times to remove contamination. 4-29 B173...

  • Page 96: Stains On Back Of The Page

    Description Digital Printer Blank page is printed. Digital Printer Digital Printer Digital Printer Digital Printer B173T928.WMF Check and Cause Solution Bad ground contacts in OPC and/or Remove contamination of the developer. terminals of the AIO and the printer. B173 4-30...

  • Page 97: Blank Page Print Out (2)

    Engine Test Mode diagnostic code 0 to check if the Solenoid is normal. If not solved by the above two directions, replace the Main Board. Turn the power off, clear the print job on the computer, and try printing again. 4-31 B173...

  • Page 98: Fax & Phone Problems

    HARNESS. Check the connection of HARNESS The problem still persists, then between the LIU and the Main Board. replace the LIU and the Main Board in sequence. Notes: Product supports the Tone Dial type only. B173 4-32...

  • Page 99: Defective Fax Forward/Receive

    Check and Cause Solution Check if there is NOISE when pressing If it makes NOISE while on-hooking, on-hook dial. replace or repair the telephone line. Check the RECEIVE condition by trying to receive a FAX at another fax machine. 4-33 B173...

  • Page 100: Defective Fax Receive (2)

    The received data is reduced by more than 50% in the printing. Check and Cause Solution Check the FAX status of the forwarding After checking the data of the side. forwarding side, correct the FAX on the forwarding side. B173 4-34...

  • Page 101: Defective Automatic Receiving

    MODE or FAX MODE. TEL MODE, reset it to the FAX MODE. Even after the RECEIVE mode is changed to the FAX mode, it cannot receive, then try to replace the LIU and the Main Board in sequence. 4-35 B173...

  • Page 102: Copy Problems

    CCD carriage part. Check the Motor Driver in the Main If any driver is defective, replace the Board. Main Board. • Connection PBA U4-1, 19 or U5-1, 19=0V to 24V swing signal when operating. B173 4-36...

  • Page 103: Defective Image Quality

    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 The gap above 0.5 mm can cause a scanner glass. blurred image. Check printing quality. ) 4.6 4-37 B173...

  • Page 104: Scanning Problems

    If the CCD waveform is abnormal, try CCD test in TECH mode. to replace the CCD assembly. Check if the resolution is set too low in Re-adjust if the resolution is set to the PC Scan options. (Refer to low. Operating Instructions.) B173 4-38...

  • Page 105: Error Messages

    Solution: Try again. Check group location. HEATING ERROR Description: Temperature does not go up at the time of operation. Solution: Check thermistor contact point and heating lamp. LINE BUSY Description: Remote fax did not answer Solution: Try again. 4-39 B173...

  • Page 106: Line Error

    Description: Thermistor does not connected to main board or contact point is not coupled tightly in power on. Solution: Check thermistor contact point. OVERHEAT Description: The printer part has overheated. Solution: The unit will automatically return to the standby mode when it cools down to normal operating temperature. B173 4-40...

  • Page 107: Paper Jam 0 Open/Close Door

    Description: When the machine has encountered the Toner Empty. Solution: Replace the Toner Cartridge. TONER LOW Description: Toner may be low Solution: Toner may be unevenly distributed. Remove the toner cartridge and shake it gently to evenly distribute the toner. Then replace the toner cartridge. 4-41 B173...

  • Page 108: Toner Cartridge (Aio) Service

    1. Open the Front Cover. B173T930.WMF 2. Lightly pushing the used cartridge down, pull it out. NOTE: Help the environment by recycling your used toner cartridge. Refer to the recycling brochure packed with the toner cartridge for details. B173T931.WMF B173 4-42...
  • Page 109 Slide the new toner cartridge in until it locks into place. B173T934.WMF 5. Close the front cover. B173T935.WMF NOTE: Help the environment by recycling your used toner cartridge. Refer to the recycling brochure packed with the toner cartridge for details. 4-43 B173...

  • Page 110: Signs And Measures At Poor Toner Cartridge

    4. White vertical stripes 4. In case of 3- on the whole screen This is a or partly: phenomenon caused Check the weight of by lack of toner, so the cartridge. replace with a new cartridge. B173 4-44...
  • Page 111 • Check whether foreign sub-stances or toner are stuck to the terminal (contact point) of the cartridge. • Check whether the state of the terminal assembly is normal. 3. If it cannot be recycled: Replace the cartridge. 4-45 B173...
  • Page 112 (Check the abnormal. transfer voltage and readjust if different.) B173 4-46...
  • Page 113 • Check foreign bias voltage of the substance attached cartridge. Clean the to the terminal (point terminals of the of contact) of the developing roller, developer and the then recheck it. state of assembly. (Especially check the developing roller terminal.) 4-47 B173...

  • Page 115: Service Tables

    SERVICE TABLES...

  • Page 117: Service Tables

    MSG Confirm Message Confirmation Report Junk Fax List Junk Fax List 7. Sound / Volume Speaker On / Off / Comm. Ringer Off / Low / Med / High Key Sound On / Off Alarm sound On / Off B173...

  • Page 118: Tech Mode

    Press Menu → # → 1 →9 → 3 → 4 in sequence. The LCD shows 'TECH'. Then the machine will enter the service (tech) mode. Do this procedure return back to user mode: Menu → # → 1 → 9 → 3 → 4 B173...

  • Page 119: Setting-Up System In Tech Mode

    12 Sec / Unlimit / Off Machine Test Switch Test Modem Test Dram Test OK / NG Rom Test Flash / Engine versions Pattern Test ! 5.2.4 Shading Test Report Protocol Protocol List System Data System Data List New Cartridge Yes / No B173...

  • Page 120: Data Set-Up

    After you access this menu, select ON, and when the LCD-prompts, enter the name and the number of the contact point, the customer's fax number, the model name, and the serial number. B173...

  • Page 121: Clear All Memory

    When “12 sec” is selected, the machine switches to receiving mode as soon as it detects a period of silence. When “unlimited” is selected, the machine waits until the answering operation is concluded even though a period of silence is detected. After the answering operation is concluded, the machine switches to receiving mode. B173...

  • Page 122: Machine Test

    Use this to examine the machine's ROM. The LCD shows the result and the software version. Example: • FLASH VER: 6.04 V • ENGINE VER:1.08 V PATTERN TEST Use this to verify that the printer mechanism is operating correctly. The patterns are: • Pattern-1 ~ Pattern-7 • QA Pattern-1 ~ QA Pattern-4 B173...

  • Page 123: Shading Test

    3. After the scan, CCD SHADING PROFILE will be output. 4. If the printed image is not the same as the image, the CCD did not operate correctly. Make sure that the cover is closed when you examine the CCD. B173S999.WMF B173...

  • Page 124: Report

    Press MENU, #, 1, 9, 3, # in sequence. Firmware version is shown on LCD. Press 1 (in the number keypad): The LCD display shows "Firmware Updated date" Press 2 (in the number keypad): The LCD display shows "product first use date" B173...

  • Page 125: Firmware Download

    Use this procedure to make sure that the firmware was correctly upgraded. 1. Go into TECH mode. Then get the system data list. 2. Make sure that the correct firmware version is shown on the system data list. • Example: Firmware/Engine/Emulation Version: 6.04 V1.0.8 B173...

  • Page 126: Recovery Procedure

    CAUTION: 1) The sending and receiving fax machines must be the same model. 2) A sending fax must be set up as ECM mode. The receiving machine memory must be set to 100%. If not the upgrade will fail. B173 5-10...

  • Page 127: Engine Test Mode

    1 : On, 2 : Off (+1300V ± 20V) THV ADC 1300V 1 : On, 2 : Off (ADC Value : 101 ± 5) THV ADC 600V~3550V 1 : On, 2 : Off (Compare each ADC Value) Heat Error Num Low Heat Num Heat Buffer 1~10 5-11 B173...

  • Page 128: Status Print

    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 you get out of Engine Mode. Make sure to set it off. B173 5-12...

  • Page 129: Detailed Descriptions

    DETAILED DESCRIPTIONS...

  • Page 131: Printer Components

    PRINTER COMPONENTS 6. DETAILED DESCRIPTIONS 6.1 PRINTER COMPONENTS 6.1.1 FRONT VIEW B173D900.WMF 6.1.2 REAR VIEW B173D901.WMF B173...

  • Page 132: System Layout

    The transfer roller moves the toner from the OPC drum surface to the paper. 6.2.3 DRIVER ASSEMBLY The main motor driver controls the main motor. The main motor provides drive to the feeding unit, the fusing unit, and the distributing unit. B173...

  • Page 133: Fusing

    • Power is removed from the fusing unit when the front cover is open. • Overheat safety device for customer. • Keeps the surface temperature of the fuser cover less than 80°C. A customer caution label is adhered inside of the rear cover. B173...

  • Page 134: Scanner

    The video controller controls the LSU unit. It scans the video data from the video controller with laser beam. It uses the rotation principal of the polygon mirror to put the latent image on the OPC drum. One face of the polygon mirror is for one line scanning. B173...

  • Page 135: Cru (Also Known As Aio)

    • Toner: Non magnetic 1 element shatter type toner • Toner near end sensor: None • OPC cleaning: Electric static + FILM OPC gets the toner. • Toner waste: Electrical static gets the toner. • OPC drum protect shutter: None B173...

  • Page 136: New Cru (Aio) Detection

    “TONER LOW”. After another period of dots being counted, the machine will display “TONER EMPTY” (toner end), and the machine will stop printing. You can check the total dot count from the current AIO in the System Data List in TECH mode. B173...

  • Page 137: Main Board

    • Power control: Normal, slow, idle, stop and SL_IDLE mode • A/D converter (10-bit, 2 Channel) • General I/O port control • Print head control • Carrier motor control • Paper motor control • Toner generator • RTC with calendar function • S/W assistant function (Rotator) B173...

  • Page 138: Flash Memory

    Checks if paper had exited from the machine. The exit sensor on the engine board and actuator on the frame are used for this process. Paper detects the on/off time of exit sensor. Then either a correct operation or a jam information is sent to the CPU. B173...

  • Page 139: Cover Open Sensor

    Motor Drive: The motor drive circuit starts when the driver IC is set. You can set the R sensor value and the voltage value of the V reference with the motor drive voltage value. B173...

  • Page 140: Smps & Hvps (Also Known As Psu And Power Pack)

    • Output voltage: –200 V ~ 600 V DC ±20 V • Error: 1) If DEV is GND, density goes down. 2) If DEV floats due to an unstable contact point of terminal, etc., density goes up. B173 6-10...

  • Page 141: Smps (Switching Mode Power Supply)

    • Frequency: 50/60 Hz • Frequency fluctuation range: 47 ~ 63 Hz Inputting voltage: Under 4.0 Arms/2.0 Arms • (The condition when lamp is off or rated voltage is inputted/outputted) Length of Power Cord: 1830 ± 50 mm Power Switch: Use 6-11 B173...

  • Page 142: Engine F/W

    6.6.2 DRIVE The main motor drives these rollers: • Feeding roller • Developing roller • Hot roller • Distributing roller. 6.6.3 TRANSFER PWM (Pulse Width Modulation) controls these: • Charge voltage • Development voltage • Transfer voltage B173 6-12...

  • Page 143: Fusing

    The LSU controller gets to 1 when the LSU is ready. If not, an error is shown. Error Type Error Description Polygon motor error When the polygon motor's speed is not correct The polygon motor's speed is correct, but the Hsync signal is not Hsync error shown. 6-13 B173...

  • Page 144: Liu Board

    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. 6.8 OPE BOARD OPE board has different function keys and LCD to show key operations. B173 6-14...

  • Page 145: Specifications

    SPECIFICATIONS...

  • Page 147: General Specifications

    13 Kg (28.8 lbs.) With toner Cartridge Absolute Storage Condition Temperature: C ~ 40 Humidity: 10% RH ~ 95% RH Operating Condition Temperature: C ~ 32 Humidity: 20% RH ~ 80% RH Recommended Operating Temperature: C ~ 30 Condition Humidity: 30% RH ~ 70% RH B173...

  • Page 148: Print Specification

    72 sec Photo Mode: Gray Letter & 300dpi. (USB) Platen 23 sec Resolution: Optical 600 x 600 dpi Scan Width: Width Max.216mm (8.5") Length (ADF) Max. 356mm (14.0") Length (Platen) Max. 297mm (11.7") Scan-to: E-mail, Image, OCR, FAX, WEB B173...

  • Page 149: Copy Specification

    Zoom Range: 25% to 400 % Multi Copy: 1~99 Preset: Contrast Control: 3 level (by LED) Copy Mode: TEXT/MIXED/PHOTO Collation Yes (300dpi only) Auto return to default mode: Yes (after 1 minute) N-up copy: 2-up, 4-up AutoFit Copy: Clone: Poster: B173...

  • Page 150: Telephone Specificaiton

    Auto Dial List System Data List List all user settings Sound Control: Ring Volume Yes (Off, Low, MED, HIGH) Key Volume Yes (On, Off) Speaker Yes (On, Off) Junk Fax barrier: Security Mode: Battery Backup: Less than 15 minutes B173...

  • Page 151: Fax Specification

    Fax, TEL Memory: Capacity 4MB (320 pages) Optional Memory Max locations to 99 locations Fax Forward Yes (On/Off) Broadcasting Up to 59 locations Forced Memory TX Cover page Delayed fax Memory RX Functions: Voice Request Polling Earth/Recall Auto Reduction B173...

  • Page 152: Paper Handing

    Input Guide: Bypass tray Adjustable Main tray Universal Document Adjustable ADF: Paper Weight 12.5~28lb Capacity 30 sheets (20 lb) Document size width 148mm – 216 mm (5.8" - 8.5") Document size length 127 mm – 356 mm (5" - 14.0") B173...

  • Page 153: Software

    WHQL for Printer Only Mac printer only Linux Driver: Printer TWAIN PC-FAX PC fax is only available through PC Modem 9. CONSUMABLES Configuration Desktop Type: Single cartridge How to install Front door open and front loading Toner Level sensor Toner Count B173...

  • Page 155: Appendix

    APPENDIX...

  • Page 157: Block Diagram

    APPENDIX APPENDIX BLOCK DIAGRAM B173X900.WMF APPENDIX B173...

  • Page 158: Connection Diagram

    APPENDIX CONNECTION DIAGRAM B173X901.WMF B173 APPENDIX...

  • Page 159: Acronyms And Abbreviations

    SPGP Samsung Printer Graphic Processor Host Based Printing Samsung Printer Language Hard Disk Drive Spool Simultaneous Peripheral Operation Online high voltage Switch HVPS High Voltage Power Supply Sync Synchronous or synchronization interface Universal Serial Bus Input and Output APPENDIX B173...

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