Ricoh M156 Service Manual
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Ricoh M156 Service Manual

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M156/M157/M176/M177
SERVICE MANUAL

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  • Page 1 M156/M157/M176/M177 SERVICE MANUAL...
  • Page 2 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 Americas Corporation and its member companies. NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY FASHION AND DISTRIBUTED WITHOUT THE PRIOR PERMISSION OF RICOH AMERICAS CORPORATION.
  • Page 3 Ricoh Technical Training Program. Untrained uncertified users utilizing information contained in this service manual to repair or modify Ricoh equipment risk personal injury, damage to property or loss of warranty protection. Ricoh Americas Corporation...
  • Page 4 LEGEND COMPANY PRODUCT CODE LANIER RICOH SAVIN M156 SP 311FN SP 311FN SP 311FN M157 SP 311SFNw SP 311SFNw SP 311SFNw M176 SP 310FN SP 310FN SP 310FN M177 SP 310FNw SP 310FNw SP 310FNw DOCUMENTATION HISTORY REV. NO. DATE...

  • Page 5: Table Of Contents

    M156/M157/M176/M177 TABLE OF CONTENTS 1. PRODUCT INFORMATION ............1-1 1.1 PRODUCT OVERVIEW ................1-1 1.1.1 COMPONENT LAYOUT ..............1-1 1.1.2 PAPER PATH ................... 1-2 1.1.3 DRIVE LAYOUT ................1-2 1.2 MACHINE CODES AND PERIPHERALS CONFIGURATION ....1-3 1.2.1 MAIN FRAME ................... 1-3 1.3 SPECIFICATIONS ..................
  • Page 6 4.7.9 REGISTRATION CLUTCH ............. 4-26 4.7.10 REGISTRATION ROLLER ............4-27 4.7.11 REGISTRATION SENSOR ............4-30 4.8 IMAGE TRANSFER ................. 4-31 4.8.1 TRANSFER ROLLER ..............4-31 After installing a new transfer roller ............ 4-31 4.8.2 TONER END SENSOR ..............4-32 M156/M157/M176/M177...
  • Page 7 RELAY SENSOR ..............4-55 4.12.2 INVERTER SENSOR ..............4-55 4.13 IMAGE ADJUSTMENT ............... 4-56 4.13.1 REGISTRATION ADJUSTMENT ..........4-56 User Adjustment ................. 4-56 Service Adjustment ................4-56 5. SERVICE TABLES ..............5-1 5.1 SERVICE PROGRAM MODE ..............5-1 5.1.1 OVERVIEW ..................5-1 M156/M157/M176/M177...
  • Page 8 6.2 SERVICE CALL ..................6-2 6.2.1 SUMMARY ..................6-2 Fusing related SCs ................6-2 6.2.2 ENGINE SC ..................6-2 SC 2xx (Laser Optics Error) ..............6-2 SC 4xx (Image Transfer and Transfer Error) ........6-4 SC 5xx (Motor and Fusing Error) ............6-4 M156/M157/M176/M177...
  • Page 9 Return to Stand-by Mode ..............7-2 Recommendation ................. 7-2 7.2 PAPER SAVE .................... 7-3 7.2.1 EFFECTIVENESS OF DUPLEX/COMBINE FUNCTION ....7-3 1. Duplex: ..................... 7-3 2. Combine mode: ................7-3 3. Duplex + Combine: ................7-4 Total counter ..................7-4 M156/M157/M176/M177...
  • Page 10 READ THIS FIRST Safety Notices Important Safety Notices Prevention of Physical Injury 1. Before disassembling or assembling parts of the machine and peripherals, make sure that the machine power cord is unplugged. 2. The wall outlet should be near the machine and easily accessible. 3.
  • Page 11  To prevent a fire or explosion, keep the machine away from flammable liquids, gases, and aerosols. A fire or an explosion might occur.  The Controller board on the MF model contains a lithium battery. The danger of explosion exists if a battery of this type is incorrectly replaced.
  • Page 12 Laser Safety The Center for Devices and Radiological Health (CDRH) prohibits the repair of laser-based optical units in the field. The optical housing unit can only be repaired in a factory or at a location with the requisite equipment. The laser subsystem is replaceable in the field by a qualified Customer Engineer.
  • Page 13 Trademarks ® ® ® Microsoft , Windows , and MS-DOS are registered trademarks of Microsoft Corporation in the United States and /or other countries. ® PostScript is a registered trademark of Adobe Systems, Incorporated. ® is a registered trademark of Hewlett-Packard Company. ®...

  • Page 14: Product Information

    PRODUCT INFORMATION R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 15: Product Overview

    1.1 PRODUCT OVERVIEW 1.1.1 COMPONENT LAYOUT Laser unit Friction pad Quenching lamp Transfer roller Cartridge (AIO-type) Paper Tray Development roller Fusing Unit Registration roller Pressure Roller By-pass feed roller Paper exit roller By-pass feed tray Hot Roller Paper feed roller Drum M156/M157/M176/M177...

  • Page 16: Paper Path

    Product Overview 1.1.2 PAPER PATH [A] Duplex section [B] Standard paper tray unit 1.1.3 DRIVE LAYOUT Duplex Motor Relay Clutch Main Motor Paper Feed Clutch Registration Clutch M156/M157/M176/M177...

  • Page 17: Machine Codes And Peripherals Configuration

    Machine Codes and Peripherals Configuration 1.2 MACHINE CODES AND PERIPHERALS CONFIGURATION 1.2.1 MAIN FRAME Item Machine Optional Wireless Duplex Remarks Code Tray SP 310SFN M176 Auto SP 310SFN w M177 Auto SP 311SFN M156 Auto SP 311SFN w M157 Auto NA: Not Available M156/M157/M176/M177...

  • Page 18: Specifications

    Specifications 1.3 SPECIFICATIONS See "Appendices" for the following information:  "General Specifications"  "Supported Paper Sizes"  "Software Accessories" M156/M157/M176/M177...

  • Page 19: Installation

    INSTALLATION R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 20: Installation Requirements

    Unplug the power cord from the wall outlet before you move the machine. While moving the machine, take care that the power cord is not damaged under the machine. Failing to take these precautions could result in fire or electric shock. M156/M157/M176/M177...
  • Page 21 2. Lift the printer by using the inset grips on both sides of the printer, and then move it horizontally to the place where you want to install it.  Be sure to move the printer horizontally. To prevent toner from scattering, move the printer slowly. M156/M157/M176/M177...

  • Page 22: Preventive Maintenance

    PREVENTIVE MAINTENANCE R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 23: Preventive Maintenance Tables

    Preventive Maintenance Tables 3. PREVENTIVE MAINTENANCE 3.1 PREVENTIVE MAINTENANCE TABLES There are no PM parts in this machine. M156/M157/M176/M177...

  • Page 24: Image Quality Standards

    Area Envelopes The 15mm excluding the flap portion from the rear end / tip of Envelopes the sheet, except for the region of the left and right ends 10mm. Magnification ±0.75% or less Except when duplexing. Error M156/M157/M176/M177...

  • Page 25: Paper Transfer Quality Standards

    ±1.0mm/100mm or less (Less than B5 SEF) ±1.0mm/100mm or less (B5 SEF or more) These standards are determined using the standard paper with the standard conditions. The values may change depending on environmental conditions such as temperature, humidity, and paper type. M156/M157/M176/M177...

  • Page 26: Pm Parts Settings

    "Yield Parts": Parts whose expected yield is longer than the machine lifetime when taking into consideration the machine's APV. Description Expected Yield Q'ty/unit Paper Feed Roller 120 K prints Transfer Roller 120 K prints Fusing Unit 120 K prints See "page 4-1 "Replacement and Adjustment"" M156/M157/M176/M177...

  • Page 27: Preparation For Pm

    2. Select "Engine Maintenance", and then press the "OK" key. 3. Select "Reset Fuser Unit", "Reset Transfer Unit" or "Reset Paper Feed Rol Life" and then press the "OK" key. 4. Press the left key “Execute” of the “Selection keys”. 5. Exit the "Maintenance mode". M156/M157/M176/M177...

  • Page 28: Cleaning Points

    Each visit Carry out if streaks occur DF exposure glass User (90K image when using the ADF. equivalency) Each visit Carry out if contamination Scanner exposure glass User (90K image occurs in the image because equivalency) of a dirty glass. M156/M157/M176/M177...

  • Page 29: Replacement And Adjustment

    REPLACEMENT AND ADJUSTMENT R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 30: General Cautions

    Turn off the main power switch and unplug the machine before you do the procedures in this section. 4.2 SPECIAL TOOLS  PC: Windows XP/Vista/7/8, Windows Server 2003/2003 R2, 2008/2008 R2,2012  USB or network cable  A computer is necessary to update the firmware. M156/M157/M176/M177...

  • Page 31: Exterior Covers

    3. Pull out the bypass tray [B]. 4. Open the front cover [A].  To open the front cover, push the cover release button [B] and (carefully) pull the cover forward and open (it hinges downward). 5. Push the right hinge [A] to release. M156/M157/M176/M177...

  • Page 32: Left Cover

    3. Pull the front upper part [A] of the left cover to release the hooks.  The outside of the cover has marks indicating the position of the hooks. 4. Pull the rear upper part [A] of the left cover to release the hooks. M156/M157/M176/M177...
  • Page 33 5. Pull the front bottom part of the left cover [A] to release the hooks.  The outside of the cover has marks indicating the position of the hooks. 6. Left cover [A]  There are many hooks and tabs inside the left cover. Before removing the left cover, see the photos below. M156/M157/M176/M177...

  • Page 34: Rear Cover

    Exterior Covers 4.3.3 REAR COVER 1. Open the rear cover [A]. 2. Slide the shaft [B] in the direction of the blue arrow, and remove the rear cover [A]. M156/M157/M176/M177...

  • Page 35: Right Cover

    3, hook at arrow mark)  The outside of the cover has marks indicating the position of the hooks.  There are many hooks and tabs inside the right cover. Before removing the right cover, see the photos below. M156/M157/M176/M177...

  • Page 36: Top Cover

    [A] could be damaged.  Make sure that these paperweights [A] can be moved smoothly (up and down) after installing the top cover. If these paperweights do not move smoothly, try installing the top cover again. M156/M157/M176/M177...

  • Page 37: Scanner Unit

    4. Open the scanner unit [A] in the direction of the blue arrow. x 5, 5. Disconnect the three harnesses, flat cable x 2 and ground-wire (ground screw x 1, x 1) 6. Remove the scanner Unit [A] as shown below (hook, spring x 1, stopper x 1). M156/M157/M176/M177...

  • Page 38: Operation Panel

    Scanner Unit 4.4.2 OPERATION PANEL 1. Scanner unit (page 4-8 "Scanner Unit") 2. Turn the scanner unit over. 3. Operation panel [A] ( x 2, hooks, x 1) M156/M157/M176/M177...

  • Page 39: Adf

    1. Scanner unit (page 4-8 "Scanner Unit") 2. Open the ADF unit [A] and remove it in the direction of the blue arrow (hooks). 4.5.2 ORIGINAL TRAY 1. Open the Original tray [A] and remove it (Two tabs). M156/M157/M176/M177 4-10...

  • Page 40: Adf Pick-Up Roller

    4.5.3 ADF PICK-UP ROLLER 1. Open the ADF top cover [A]. 2. ADF feed unit [B] (tab) 3. ADF pick-up roller [A] 4-11 M156/M157/M176/M177...

  • Page 41: Adf Feed Roller

    4.5.4 ADF FEED ROLLER 1. ADF feed unit (page 4-11 "ADF Pick-Up Roller") 2. ADF Feed roller [A] 4.5.5 ADF SEPARATION PAD 1. Open the ADF top cover. 2. ADF separation pad [A] (2 hooks, spring x 1) M156/M157/M176/M177 4-12...

  • Page 42: Adf

    1. ADF unit (page 4-10 "ADF Unit") 2. Turn the ADF unit over. 3. ADF front cover [A] ( x 3)  There are many hooks and tabs inside the ADF front cover [A]. Before removing the ADF front cover, see the photos below. 4-13 M156/M157/M176/M177...

  • Page 43: Adf Rear Cover

    1. ADF unit (page 4-10 "ADF Unit") 2. Turn the ADF unit over. 3. ADF rear cover [A] ( x 1)  There are many hooks and tabs inside the ADF rear cover [A]. Before removing the ADF rear cover, see the photos below. M156/M157/M176/M177 4-14...

  • Page 44: Adf Motor

    4. Remove the ADF drive unit [A] while the ADF top cover [B] remains closed ( x 2). 5. ADF motor assembly [A] ( x 2, ground screw x 1, x 1, ground plate, discharge brush) 6. ADF motor [A] ( x 2) 4-15 M156/M157/M176/M177...

  • Page 45: Adf Top Cover

    4.5.10 DOCUMENT SENSOR 1. ADF drive unit (page 4-15 "ADF Motor") 2. Turn the ADF drive unit over. 3. Pressure plate [A] (4 hooks, 2 springs) 4. Lower guide [A] ( x 3, ground plate, 6 hooks, 2 tabs) M156/M157/M176/M177 4-16...

  • Page 46: Adf Feed Sensor

    5. Document sensor [A] (4 hooks, x 1) 4.5.11 ADF FEED SENSOR 1. ADF drive unit (page 4-15 "ADF Motor") 2. Lower guide (page 4-16 "Document Sensor") 3. ADF feed sensor [A] (4 hooks, x 1) 4-17 M156/M157/M176/M177...

  • Page 47: Laser Unit

    This machine uses a class IIIB laser beam with a wavelength of 648 to 663 nm and an output of 9 mW. The laser can cause serious eye injury. M156/M157/M176/M177 4-18...

  • Page 48: Laser Unit

    3. Left cover (page 4-3 "Left Cover") 4. Right cover (page 4-6 "Right Cover") 5. Scanner unit (page 4-8 "Scanner Unit") 6. Top cover (page 4-7 "Top Cover") 7. Laser unit [A] ( x 3, ground screw x 3, x 2, x 2) 4-19 M156/M157/M176/M177...

  • Page 49: Polygon Mirror Motor

    Laser beams can seriously damage your eyes. 1. Top cover (page 4-7 "Top Cover") 2. Polygon mirror cover [A] ( x 2) 3. Polygon mirror motor [A] ( x 4, x 1)  Never touch the surface of the mirror with bare hands. M156/M157/M176/M177 4-20...

  • Page 50: Paper Feed

    2. Select "Engine Maintenance", and then press the "OK" key. 3. Select "Reset Paper Feed Rol Life" and then press the "OK" key. 4. Press the left key “Execute” of the “Selection keys”. 5. Exit the "Maintenance Mode". 4-21 M156/M157/M176/M177...

  • Page 51: Friction Pad

    1. Pull out the standard paper tray. 2. Front cover (page 4-2 "Front Cover") 3. AIO 4. Set the machine with the rear side facing down, resting on the table. 5. Paper end sensor [A] (3 hooks, x 1) M156/M157/M176/M177 4-22...

  • Page 52: By-Pass Feed Roller

    Be careful that the spring [B] and the ground plate [C] do not fall inside the machine during reinstallation. 6. By-pass upper guide plate [A] 7. By-pass solenoid cover, by-pass solenoid [B] ( x 1) 8. Gear [C] (hook) 4-23 M156/M157/M176/M177...

  • Page 53: By-Pass Feed Roller Friction Pad

    10. Remove the metal cover [B] from the by-pass feed roller [C]. 4.7.5 BY-PASS FEED ROLLER FRICTION PAD 1. By-pass feed roller (page 4-23 "By-pass Feed Roller") 2. By-pass feed roller friction pad [A] (2 hooks, spring x 1) M156/M157/M176/M177 4-24...

  • Page 54: By-Pass Feed Sensor

    2. Right cover (page 4-6 "Right Cover") 3. By-pass feed sensor [A] (3 hooks, x 1) 4.7.7 PAPER FEED CLUTCH 1. Drive unit (page 4-43 "Drive Unit") 2. Paper feed clutch [A] ( x 1, x 1, x 1) 4-25 M156/M157/M176/M177...

  • Page 55: Relay Clutch

    Paper Feed 4.7.8 RELAY CLUTCH 1. Drive unit (page 4-43 "Drive Unit") 2. Relay clutch [A] ( x 1) 4.7.9 REGISTRATION CLUTCH 1. Drive unit (page 4-43 "Drive Unit") 2. Registration clutch [A] ( x 1) M156/M157/M176/M177 4-26...

  • Page 56: Registration Roller

    9. Relay clutch (page 4-26 "Relay Clutch") 10. Registration clutch (page 4-26 "Registration Clutch") 11. Heat insulating plate [A] ( x 2) 12. Duplex motor base [A] ( x 4) 13. Exit roller base [A] ( x 2, 4 tabs) 4-27 M156/M157/M176/M177...
  • Page 57 Paper Feed 14. Imaging unit base [A] ( x 4, x 1, x 3) 15. Registration unit [A] ( x 8, x 3) 16. Upper guide plate [A] (2 hooks) M156/M157/M176/M177 4-28...
  • Page 58 Paper Feed 17. Remove the Registration roller (follower) [A] as shown below (spring x 2, plastic parts x 2). 18. Registration roller (drive) [A] ( x 2, bushing x 2). 4-29 M156/M157/M176/M177...

  • Page 59: Registration Sensor

    Paper Feed 4.7.11 REGISTRATION SENSOR 1. Registration unit (page 4-27 "Registration Roller") 2. Turn the registration unit over. 3. Registration sensor [A] ( x 1, 3 hooks) M156/M157/M176/M177 4-30...

  • Page 60: Image Transfer

    1. Enter the "Maintenance Mode". 2. Select "Engine Maintenance", and then press "OK" key. 3. Select "Reset Transfer Unit" and then press "OK" key. 4. Press the left key “Execute” of the “Selection keys”. 5. Exit the "Maintenance Mode". 4-31 M156/M157/M176/M177...

  • Page 61: Toner End Sensor

    Image Transfer 4.8.2 TONER END SENSOR 1. Left cover (page 4-3 "Left Cover") 2. Drive unit (page 4-43 "Drive Unit") 3. Toner end sensor [A] (4hooks) M156/M157/M176/M177 4-32...

  • Page 62: Quenching Lamp

    1. Front cover (page 4-2 "Front Cover") 2. Top cover (page 4-7 "Top Cover") 3. AIO 4. Quenching lamp with the case [A] (2 hooks x 1). 5. Remove the quenching lamp [A] from the case (hook x 3). 4-33 M156/M157/M176/M177...

  • Page 63: Fusing And Exit

    2. Rear cover (page 4-5 "Rear Cover") 3. Release the lock [A], and then remove the entrance guide [B] ( x 1) 4. Disconnect the three connectors ( x 1) 5. Pass the cable [A] through the hole [B] inside the machine. M156/M157/M176/M177 4-34...

  • Page 64: Reinstallation

    Fusing and Exit 6. Fusing unit [A] ( x 4)  Make sure that the two bushings [A] remain in position. Reinstallation Pass the cable [A] of the fusing unit through the hole [B] outside, after setting the fusing unit. 4-35 M156/M157/M176/M177...

  • Page 65: After Installing A New Fusing Unit

    Do not recycle a thermoswitch that is already opened. Safety is not guaranteed if you do this. 1. Fusing unit (page 4-34 "Fusing Unit") 2. Fusing upper cover [A] ( x 4) 3. Thermostat [A] ( x 2) M156/M157/M176/M177 4-36...

  • Page 66: Thermistor

    Fusing and Exit 4.9.3 THERMISTOR 1. Fusing unit (page 4-34 "Fusing Unit") 2. Fusing upper cover [A] ( x 4) 3. Fusing front cover [A] ( x 2) 4. Thermistor [A] ( x 1) 4-37 M156/M157/M176/M177...

  • Page 67: Fusing Lamp

    Fusing and Exit 4.9.4 FUSING LAMP 1. Fusing Unit (page 4-34 "Fusing Unit") 2. Fusing side covers [A] ( x 2 each) 3. Turn over the fusing unit. 4. Ground-wires ( x 1 each) 5. Fusing lamp [A] M156/M157/M176/M177 4-38...

  • Page 68: When Reinstalling The Fusing Lamp

    4.9.5 HOT ROLLER 1. Fusing lamp (page 4-38 "Fusing Lamp") 2. Brackets [A] ( x 2 each) 3. Turn over the fusing unit. 4. Fusing upper cover [A] ( x 4) 5. Fusing front cover [A] ( x 2) 4-39 M156/M157/M176/M177...
  • Page 69 6. Fusing entrance guide [A] ( x 3) 7. Thermistor (page 4-37 "Thermistor") 8. Hot roller stripper pawls (page 4-42 "Hot Roller Stripper Pawls") x 2 each) 9. Ground plates [A] ( 10. Quenching brush [A] ( x 1) M156/M157/M176/M177 4-40...

  • Page 70: Pressure Roller

    11. Hot roller [A] 12. Remove the C-ring x 2, gear x 1, cap x 1, bushing x 2 from the Hot Roller. 4.9.6 PRESSURE ROLLER 1. Hot roller (page 4-39 "Hot Roller") 2. Pressure roller [A] (Bearing x 2) 4-41 M156/M157/M176/M177...

  • Page 71: Hot Roller Stripper Pawls

    3. Metal holders [A] (1 holder for each pawl: x 2 each) 4. Hot roller stripper pawls [A] (1 spring for each pawl) 4.9.8 PAPER EXIT SENSOR 1. Rear cover (page 4-5 "Rear Cover") 2. Paper exit sensor [A] ( x 1, 3 hooks) M156/M157/M176/M177 4-42...

  • Page 72: Drive

    2. Harness guide plate [A] ( x 3, x 2, x 1) 3. Main motor [B] ( x 4, x 1) 4.10.2 DRIVE UNIT 1. Left cover (page 4-3 "Left Cover") 2. Main board (page 4-46 "Main board") 3. FCU (page 4-48 " 4-43 M156/M157/M176/M177...
  • Page 73 Drive FCU") 4. Harness guide plate [A] ( x 3, x 2, x 1) 5. Drive unit [B] ( x 5, x 1, x 2, timing belt) M156/M157/M176/M177 4-44...

  • Page 74: Duplex Motor

    Drive 4.10.3 DUPLEX MOTOR 1. Left cover (page 4-3 "Left Cover") 2. Top Cover (page 4-7 "Top Cover") 3. Duplex motor [A] ( x 2, x 1, x 1) 4-45 M156/M157/M176/M177...

  • Page 75: Electrical Components

    When replacing a fuse, always use a fuse of the correct rating. Never use a fuse with the wrong rating. If you do, the machine may be damaged. 4.11.1 LAYOUT OF PC BOARDS Main board FCU– behind the Main board M156/M157/M176/M177 4-46...

  • Page 76: Main Board

    When installing the new main board 1. Remove the EEPROM from the old main board. 2. Install it on the new main board after replacing the main board. 3. Replace the EEPROM if the EEPROM on the old main board is defective. 4-47 M156/M157/M176/M177...

  • Page 77: Eeprom

    -Input the PnP Name, Destination in Maintenance Mode. -Adjust the Registration in Maintenance Mode. -Input the serial number on the serial number input display after installing the new EEPROM  Ask your supervisor about how to access the serial number input display. M156/M157/M176/M177 4-48...

  • Page 78: Fcu

    4. Left cover (page 4-3 "Left Cover") 5. Right cover (page 4-6 "Right Cover") 6. Main board (page 4-46 "Main board") 7. FCU (page 4-48 "FCU") 8. Drive unit (page 4-43 "Drive Unit") 9. Bracket [A] ( x 2, x 1) 4-49 M156/M157/M176/M177...
  • Page 79 12. Remove the main power cord [B] as shown below ( x 2, ground screw x 1). 13. Rear lower cover [A] ( x 3) 14. Release the lock [A], and then remove the entrance guide [B] ( x 1). M156/M157/M176/M177 4-50...
  • Page 80 16. Set the machine with the front side facing down, resting on the table. 17. Release the link [A] ( x 1) 18. Duplex transport guide [A] ( x 4 ,bushing x 4, x 1, gear x 1) 19. PSU / HVP unit [A] ( x 4, x 1, x 1) 4-51 M156/M157/M176/M177...

  • Page 81: Hvp

    Electrical Components 20. PSU [A] ( x 4, x 1) 4.11.5 HVP 1. PSU / HVP unit (page 4-48 "PSU") 2. HVP [A] ( x 4, x 1). M156/M157/M176/M177 4-52...

  • Page 82: Charge Terminal Case

    4.11.6 CHARGE TERMINAL CASE 1. Right cover (page 4-6 "Right Cover") 2. Charge terminal case [A] with the harness ( x 2, x 1, 2 hooks) 3. Harness [A] ( x 4) 4. Four springs and terminal pins [B]. 4-53 M156/M157/M176/M177...

  • Page 83: Cooling Fan

    2, x 1, x 1)  Install the cooling fan [A] with its decal facing the outside of the machine. 4.11.8 SPEAKER 1. Left cover (page 4-3 "Left Cover") 2. Speaker [A] ( x 2, x 1) M156/M157/M176/M177 4-54...

  • Page 84: Wireless Lan Board (For M157, M177)

    Electrical Components 4.11.9 WIRELESS LAN BOARD (FOR M157, M177) 1. Left cover (page 4-3 "Left Cover") 2. Wireless LAN board [A] (hook, x 1) 4-55 M156/M157/M176/M177...

  • Page 85: Duplex

    4.12.1 RELAY SENSOR 1. Rear cover (page 4-5 "Rear Cover") 2. Relay sensor [A] ( x 1, 3 hooks) 4.12.2 INVERTER SENSOR 1. Duplex transport guide (page 4-48 "PSU") 2. Inverter sensor [A] ( x 1, 3 hooks) M156/M157/M176/M177 4-56...

  • Page 86: Image Adjustment

    Decrease to shift in the minus direction.  Adjust the margins of the test page so that they are equal in size.  (1): Feed Direction  (2): Vertical Adjustment  (3): Horizontal Adjustment  (4): Print Area 4-57 M156/M157/M176/M177...

  • Page 87: Service Tables

    SERVICE TABLES R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 88: Service Program Mode

    CTL FW Version Displays the Firmware Version FW Version FAX FW Version Displays the FAX Firmware Version. Engine FW Version Displays the Engine Firmware Version Displays the following counters of the printer Counter Printer Counter engine. Black image (Total Page) M156/M157/M176/M177...
  • Page 89 2: Sets the engine speed at 14ppm. 3 to 255: not available [0 to 255 / 0 / 1 /step] Adjusts the printable sheets between "toner near Toner Near Sheets end" to "toner end". [0 to 255 / 200 / 1 sheet/step] M156/M157/M176/M177...
  • Page 90 [80 to 135 / 120 (Default) / 5deg/step] Adjusts the fusing temperature in the standby Standby mode. [120 to 175 / 155 (Default) / 1deg/step] Adjusts the fusing temperature for thick 2 paper. Thick2 Paper [160 to 200 / 185 (Default) / 5deg/step] M156/M157/M176/M177...
  • Page 91 Vert .Dup.1 Thin [-8 to 8 / 0 (Default) / 1mm/step] Paper Main Motor Output check (Main Motor) Middle Clutch Output check (Relay Clutch) Output Check Tray1 Clutch Output check (Paper Feed Clutch) Bypass Solenoid Output check (Bypass solenoid) M156/M157/M176/M177...
  • Page 92 Displays the EM counter (Fusing Unit: time). EM Counter Info Transfer Roller - Displays the EM counter (Transfer Roller: Pages pages). Fusing Unit - Pages Displays the EM counter (Fusing Unit: pages). Transfer Roller Displays the total counter (Remain of Transfer Remain Roller). M156/M157/M176/M177...
  • Page 93 Clears the EM counter of the transfer roller. Unit Fuser SC This button is for resetting an SC related with the fusing errors. Reset [0x00 – 0x7F] Brand ID Displays the current brand ID number. Do not change this setting (Designed for Factory Use). M156/M157/M176/M177...
  • Page 94 [-40.0 to 40.0 / 12.0 (Default) / 0.1 mm/step] Adjusts the vertical registration of thick paper for the bypass tray. If the machine settings are reset Vert Bypass Thick to the factory defaults, this value does not change. [-40.0 to 40.0 / 12.0 (Default) / 0.1 mm/step] M156/M157/M176/M177...
  • Page 95 [-40.0 to 40.0 / 12.0 (Default) / 0.1 mm/step] Sets the destination and updates the engine setting. Destination Do not change this setting (Designed for Factory Use). DOM/ NA/ EU / ASIA/ CHN/ TAIWAN/ KOREA Test Pattern Prints the test pattern. M156/M157/M176/M177...
  • Page 96 [-2.0 to 2.0 / 0 (Default)/ 0.1 %/step] Adjusts the Flatbed Scan sub-scan registration. Flatbed Sub Reg. [-2.0 to 2.0 / 0 (Default)/ 0.1 %/step] Adjusts the ADF Scan main-scan magnification. Size Adjust ADF Main Reg. [-0.9 to 0.9 / 0 (Default)/ 0.1 %/step] M156/M157/M176/M177...
  • Page 97 Timeout for response from the called station in automatic sending mode T0 Timer [35 Sec/ 45 Sec/ 55 Sec (Default)/ 60 Sec/ Protocol Definition 90 Sec/ 140 Sec] Timer Set the time length for the T1 timer. T1 Timer [40 Sec (Default)/ 50 Sec] M156/M157/M176/M177 5-10...
  • Page 98 Received data is Stop/Clear Key lost. [No Functional (Default)/ Functional] Off-Hook Sets the Off-Hook detection period. Detection 200 msec (Default)/ 800 msec Sets the redial interval when Tx fails. TX Settings Redial Interval [5 Min (Default)/ 6 Min] 5-11 M156/M157/M176/M177...
  • Page 99 Tone Signal Settings Attenuator of to the line Pseudo Ring [0 to 15 / 10 (Default)/ 1 dB/step] Sets the transmission level of DTMF tones. DTMF Level [-12 dBu / -11 dBu/ -10 dBu/ -8 dBu (Default)/ -6 dBu] M156/M157/M176/M177 5-12...
  • Page 100 340-550 Hz/ 350-500 Hz/ 350-550 Hz/ BT (Busy Tone) 375-475 Hz/ 380-520 Hz] Detection BT Level [-35 dB/ -36 dB/ -37 dB/ -38 dB/ -39 dB] BT Cadence [0.10/ 0.15/ 0.20/ 0.25/ 0.30/ 0.35/ 0.40/ 0.45/ 0.50/ 0.75] 5-13 M156/M157/M176/M177...
  • Page 101 Emergency use only. Inputs forwarding fax number. All Document Transfer Max. 40 digits (includes #, *, pulse) To start transferring all documents, press “Start” key. To cancel all documents transferring and back to Fax Maintenance menu, press “Clear/Stop” key. M156/M157/M176/M177 5-14...
  • Page 102 FW Update Mode After pressing “Execute”, the display shows “Please Restart Machine….” Turn the machine's main power off, and then on. Then the machine activates as a special boot loader mode. After that update the firmware via USB cable. 5-15 M156/M157/M176/M177...

  • Page 103: Fax Service Test Menu

    DTMF Test Tone [#] Executes the DTMF tone # test. Tone Stop Executes the Stop DTMF tone test. [V34] 33600 Bps Generates the [V34] 33600 bps signal. Modem Test [V34] 28800 Bps Generates the [V34] 28800 bps signal. M156/M157/M176/M177 5-16...
  • Page 104 Generates the [V29] 7200 bps signal. [V27] 4800 Bps Generates the [V27] 4800 bps signal. [V27] 2400 Bps Generates the [V27] 2400 bps signal. [V21] 300 Bps Generates the [V21] 300 bps signal. Signal Stop Generates the Stop signal. 5-17 M156/M157/M176/M177...

  • Page 105: Reports

    2. Press the "Up" or "Down" key to select "Print List/Report", and then press the "OK" key. 3. Press the "Up" or "Down" key to select "Configuration Page", and then press the "OK" key. 4. Press the left key "Yes" of the “Selection keys”.  Configuration page example M156/M157/M176/M177 5-18...

  • Page 106: Total Counter

    Application counters exist for each individual primary machine function (Copier, Printer, FAX, etc.), and are incremented by the "main board" each time the board issues a print request for the function in question.  The application counters is 0 If you select "Factory Default" in the maintenance mode. 5-19 M156/M157/M176/M177...

  • Page 107: Other Types Of Reports

    4. Press the "Up" or "Down" keys to select "Test Page" and then press the "OK" key. 5. Press the left key "Yes" of the “Selection keys” to print the test page to preview the settings.  Test page sample M156/M157/M176/M177 5-20...

  • Page 108: Test Pattern Printing

    2. Select "Engine Maintenance", and then press the "OK" key. 3. Select "Test Pattern", and then press the "OK" key. 4. The following three test pattern pages (Checker flag/ Grid pattern/ Trimming pattern) are printed.  Test pattern samples 5-21 M156/M157/M176/M177...

  • Page 109: Updating The Firmware

    3. Make a folder on a local drive of your computer and save the files there. 4. Connect a computer and the machine through a network or directly by USB. 5. Click the "FWUpdateTool.exe" file to execute the updating program. M156/M157/M176/M177 5-22...

  • Page 110: Updating The Boot Loader Firmware

    10. Turn off the power of the machine, and then turn it back on. 11. Print a configuration or maintenance page to check the machine's firmware version. 5.3.3 UPDATING THE BOOT LOADER FIRMWARE This is also listed on the configuration page, but this firmware is not updated in the field. 5-23 M156/M157/M176/M177...

  • Page 111: Updating Failure

    Print Driver is available. transmitted. Check whether the MFP is available. Check USB cable F/W file transmission cannot connection. be completed. Check whether the USB (Transmission will be canceled Print Driver is available. if timeout.) Check whether the MFP is available. M156/M157/M176/M177 5-24...
  • Page 112 (3) Check MFP and PC IP if timeout.) address setting. (4) Check PC firewall setting about FTP. F/W file transmission cannot (1) Check network cable be completed. connection. (Transmission will be canceled (2) Check whether the if timeout.) MFP is available. 5-25 M156/M157/M176/M177...

  • Page 113: Fw Update Tool Messages: Error

    F/W file and whether current machine. it is suitable for the MFP. Please wait until F/W F/W update is running. update is completed. Machine is busy. Other MFP functions are Please wait until other running. MFP functions are completed. M156/M157/M176/M177 5-26...
  • Page 114 Check the downloaded file F/W checks the downloaded Do NOT use print, scan, is not broken. file. And get wrong checksum. fax and copy function at Do not use MFP functions So stop modifying F/W. the same time. when updating firmware. 5-27 M156/M157/M176/M177...
  • Page 115 Check the downloaded file F/W checks the downloaded Do NOT use print, scan, is not broken. file. And get wrong checksum. fax and copy function at Do not use MFP functions So stop modifying F/W. the same time. when updating firmware. M156/M157/M176/M177 5-28...

  • Page 116: Troubleshooting

    TROUBLESHOOTING R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 117: Self-Diagnostic Mode

    The self-diagnostic test checks the CPU, memory and so on. An SC code is displayed if the self-diagnostic program detects any malfunction or abnormal condition. If it is an error with which the machine can start, the machine records it in the System Error Log. M156/M157/M176/M177...

  • Page 118: Service Call

    The polygon mirror motor does not leave the READY status within 20 sec. after the polygon mirror motor switched off. Polygon motor lock signal error The signal remains HIGH for 200 ms (or 4times in 50msec polling) while the polygon mirror motor is rotating. M156/M157/M176/M177...
  • Page 119 It detected a temperature higher than 105°C for more than 1sec.  Thermistor disconnected (causes extremely low temperature reading)  Thermistor damaged and short circuited (causes extremely high temperature reading) 1. Turn the machine's main power off, and then on. 2. Replace the thermistor. M156/M157/M176/M177...

  • Page 120: Sc 4Xx (Image Transfer And Transfer Error)

    3. Replace the motor harness. Exhaust fun Error The FAN lock signal – High for 10 seconds, after the fan motor started to rotate.  Disconnected or defective motor harness. 1. Turn the machine's main power off, and then on. Fuser thermistor error M156/M157/M176/M177...
  • Page 121  Defective PSU 1. Replace the Main board 2. Replace the PSU  Execute "Fuser SC Reset" to recover the machine after completing the recovery procedure. Otherwise, the machine continues to issue this SC code and cannot be operated. M156/M157/M176/M177...
  • Page 122 The detection error occurs twice or more in 11 zero cross signal detections. This error is defined when the detected zero cross signal is less than 45.  The zero cross signal is not detected three times while the main power remains ON. M156/M157/M176/M177...

  • Page 123: Sc 6Xx (Communication And Other Error)

    SC 6xx (Communication and Other Error) EEPROM communication error An unexpected value exists in the initialization flag of the EEPROM  EEPROM not connected  Defective EEPROM 1. Installing the EEPROM. 2. Replacing the EEPROM. M156/M157/M176/M177...

  • Page 124: Controller Sc

    Service Call 6.2.3 CONTROLLER SC SC 8xx Scan lock error By an unexpected reason, the controller error occurred. Turn the machine's main power off, and then on. M156/M157/M176/M177...

  • Page 125: Jam Detection

    6.3.1 JAM SENSOR LAYOUT There are the sensors of the jam detection as shown below. Paper Jam 1. Registration Sensor 2. Inverter Sensor 3. Paper Exit Sensor 4. Relay Sensor Original Jam (ADF) 1. Document Sensor 2. ADF Feed Sensor M156/M157/M176/M177...

  • Page 126: Jam Message List

    Misfeed: Stnd. Tray Paper stayed on exit sensor Paper exit sensor [4] Related to jam at initialization Jam message Cause Internal Misfeed Registration sensor [1] Misfeed: Stnd. Tray Paper exit sensor [4] Misfeed: Dup. Unit Remove Paper Relay sensor [5] M156/M157/M176/M177 6-10...

  • Page 127: Original Jam

    Jam Detection Inverter sensor [3] Original Jam Jam message Cause ADF Original Misfeed ADF Feed sensor [6], [8] 6-11 M156/M157/M176/M177...

  • Page 128: Image Quality

    Colored spots at 75.3 mm intervals: Print cartridge (OPC drum)  Abnormal image at 94.2 mm intervals: Fusing unit (Pressure roller)  Abnormal image at 93.1 mm intervals: Fusing unit (Hot roller)  Abnormal image at 100.5 mm intervals: Paper feed roller M156/M157/M176/M177 6-12...

  • Page 129: Other Problems

    Selecting [On] for [Low Humidity Mode] under [System Settings] (User Tools) may help to prevent these lines from appearing. When the humidity mode setting is enabled, the drum is rotated slightly every 15 minutes. This keeps the light sensitivity constant across the entire surface of the drum. 6-13 M156/M157/M176/M177...

  • Page 130: Troubleshooting

    Use supported types of paper.  Load paper only as high as the upper limit markings on the paper guide.  Make sure that the friction pads and paper feed rollers are clean. Clean the Friction Pad and Paper Feed Roller. M156/M157/M176/M177 6-14...
  • Page 131 If there are gaps between the paper and the paper guides, diagonally to the pages. adjust the paper guides to remove the gaps. Printed envelopes come Check if the levers for printing on envelopes inside the rear out creased. cover are properly set. Lower the levers. 6-15 M156/M157/M176/M177...

  • Page 132: Image Quality Problem

    Refer to "Dark lines in halftone areas at 75mm Intervals". The original probably has heavily lined or dotted areas. A moire pattern is Switching the setting for image quality between [Photo] and produced. [Mixed] may eliminate the moire pattern. M156/M157/M176/M177 6-16...

  • Page 133: Fax Problem

    The paper tray does not contain paper of the right size. faxes. Load paper of the right size in the paper tray. Dial fails when trying to See the solutions provided for errors 1XXX22 to 1XXX23 in send faxes. the below table. 6-17 M156/M157/M176/M177...

  • Page 134: Fax Error Code

    1XXX32 to 1XXX84 Disconnect the telephone line from the machine, and connect a standard telephone in its place. Confirm that you can make calls using the telephone. If you cannot make calls this way, contact your telephone company. M156/M157/M176/M177 6-18...

  • Page 135: Other Problem

    6.6.4 OTHER PROBLEM problem Cause/Solution The volume of the sounds Adjust the volume of the beep, ring, speaker, and alarm produced by the machine is sounds. too loud or too quiet. User Tools > System Settings > Adjust Sound Volume 6-19 M156/M157/M176/M177...

  • Page 136: Energy Save

    ENERGY SAVE R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 137: Energy Saver Modes

    Mode1 or Mode2)  Energy Saver Mode 1 (30 sec.): This can be only turned on or off.  Energy Saver Mode 2 (1 to 240 min.): This can be turned on or off and timer setting is adjustable (default: 1min.). M156/M157/M176/M177...

  • Page 138: Return To Stand-By Mode

    If the timers are all set to the maximum value, the machine will not begin saving energy until 240 minutes has expired after the last job. This means that after the customer has finished using the machine for the day, energy will be consumed that could otherwise be saved. M156/M157/M176/M177...

  • Page 139: Paper Save

    Duplexing and the combine functions reduce the amount of paper used. This means that less energy overall is used for paper production, which improves the environment. 1. Duplex: Reduce paper volume in half! 2. Combine mode: Reduce paper volume in half! M156/M157/M176/M177...

  • Page 140: Duplex + Combine

    Maintenance mode "Engine Maintenance" > "Total Counter Info"  User Tools “Print List/Report” > “Configuration Page” or “Maintenance Page” The following table shows paper savings and how the counters increase for some simple examples of single-sided and duplex jobs M156/M157/M176/M177...
  • Page 141 If combine mode is used, the total and duplex counters work in the same way as explained previously. The following table shows paper savings and how the counters increase for some simple examples of duplex/combine jobs. 2 in 1 mode: Simplex Sheet Duplex Paper Originals Total counter used Sheets used Saved M156/M157/M176/M177...
  • Page 142 Paper Save Duplex + 2 in 1 mode: Simplex Sheet Duplex Paper Originals Total counter used Sheets used Saved M156/M157/M176/M177...
  • Page 143 M156/M157/M176/M177 SERVICE MANUAL APPENDICES...
  • Page 144 M156/M157/M176/M177 APPENDICES TABLE OF CONTENTS 1. APPENDICES: SPECIFICATIONS ..........1-1 1.1 GENERAL SPECIFICATIONS ..............1-1 1.1.1 GENERAL SPECIFICATIONS ............1-1 1.1.2 PRINTER ..................1-3 1.1.3 COPIER .................... 1-3 1.1.4 SCANNER ..................1-4 1.1.5 FAX ....................1-5 Fax transmission and reception ............1-5 1.2 SUPPORTED PAPER SIZES ..............
  • Page 145 APPENDIX: SPECIFICATIONS R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 146: Appendices: Specifications

    35 sheets (80g/m , 20lb) Width 139.7 to 216mm (5.5 to 8.5 inch) Length 139.7 to 356mm (5.5 to 14 inch) Machine size 370 x 392 x 405mm (14.6 x 15.4 x 15.9 inches) (W x D x H) SM Appendix M156/M157/M176/M177...
  • Page 147 40 dB (A) Noise Energy Save 40 dB (A) Mode Warm-up time 30 seconds or less (23°C, 71.6°F) Machine life 5 years, 200,000 prints (whichever comes first) Environmental EnergyStar Tier 2 specifications Standard Laser type Class I M156/M157/M176/M177 SM Appendix...

  • Page 148: Printer

    A4 (216 x 297mm) (8.5 x 11.7 inches) Maximum original size A4 (216 x 356mm) (8.5 x 14 inches) Single Flatbed 28 cpm (A4), 30 cpm (LT) Document Copy Speed Multiple 28 cpm (A4), 30 cpm (LT) Copy SM Appendix M156/M157/M176/M177...

  • Page 149: Scanner

    Black&White: less than 5 sec. / Gray Scale: less than 5 sec. / Color: less than 10 sec Platen Width max: Up to 216mm, Length max: Up to 297mm Maximum original size Width max: Up to 216mm, Length max: Up to 356mm M156/M157/M176/M177 SM Appendix...

  • Page 150: Fax

    Max. 215.9 mm (8.5") Gray scale 256 levels Polling type None Standard: 200dpi x 100dpi (8 dot/mm x 3.85 line/mm) Resolution Fine/Photo: 200dpi x 200dpi (8 dot/mm x 7.7 line/mm) Scanning Speed Less than 5 sec. (A4 SEF, 200dpi) SM Appendix M156/M157/M176/M177...
  • Page 151 Broadcasting 100 stations Communication Public switched telephone network source PC Fax utility Yes (Only Transmission) Automatic re-dial 5/4/3/2 times after 5 minutes (Default 5 times) Auto Answer 3-5 rings (Default 3 rings) LDAP authentication LDAP address search M156/M157/M176/M177 SM Appendix...

  • Page 152: Supported Paper Sizes

    Not supported. Input Tray Type SEF/LEF Size Type Standard Duplex Tray 210x297mm 297x210mm 182x257mm 257x182mm 148x210mm Plain Paper 210x148mm 128x182mm 182x128mm 105x148mm 148x105mm 11" x 17" Legal 8 1/2”x14” Plain Paper 8 1/2”x11” Letter 11”x 8 1/2” SM Appendix M156/M157/M176/M177...
  • Page 153 3 7/8” x 7 1/2” Monarch Envelope Env. C6 114 x 162mm Env. C5 162 x 229mm Env. DL 110 x 220mm 100-216mm 90-216mm Width (3.6”x 8.5”) (3.5”x 8.5”) 148 – Custom 140-356mm 356mm Length (5.5”x (5.8”x 14.24”) 14.24”) M156/M157/M176/M177 SM Appendix...

  • Page 154: Error Messages

    ERROR MESSAGES R E V I S I O N H I S T O RY P ag e Dat e Ad d ed/ Upd at ed/ New None...

  • Page 155: Overview

    Ask the sender to resend the document in parts as several smaller individual faxes, or to send at a lower resolution. ADF Cover Open  The ADF cover is open. Close the cover completely. Close ADF Cover SM Appendix M156/M157/M176/M177...
  • Page 156 See the user’s guide size paper, which are A4, Letter, or Legal size. "Copier Features Settings".  Specify the A4, Letter, or Legal size paper for the tray selected for printing copies. See the user’s guide "System Settings". M156/M157/M176/M177 SM Appendix...
  • Page 157 No Quick Dial entry is Press a different One Touch Programmed associated with the One button.  Touch button you pressed. Assign a registered destination to the One Touch button. See the user’s guide "Registering Scan Destinations". SM Appendix M156/M157/M176/M177...
  • Page 158 Indep.Sply.Prt.Cart. A non-supported print Remove and replace it with a print cartridge is installed. cartridge specified by an authorized dealer. Internal Misfeed Paper has been jammed in Remove the jammed paper. See the the machine. user’s guide "Paper Feed Problems". M156/M157/M176/M177 SM Appendix...
  • Page 159 Remove the jammed paper. See the BypassTray the bypass tray. user’s guide "Paper Feed Problems". Misfeed: Dup. Unit Paper has been jammed in Remove the jammed paper. See the Remove Paper the duplex unit. user’s guide "Paper Feed Problems". SM Appendix M156/M157/M176/M177...
  • Page 160 1 was specified as the input tray but paper was set in the bypass tray. Replace Required The print cartridge is almost Prepare a new print cartridge. Soon: Print empty. Cartridge M156/M157/M176/M177 SM Appendix...
  • Page 161 Server Response An error occurred in Confirm that the destination is Error communication with the registered correctly, and then try the server before beginning operation again. transmission. If the problem could not be solved, contact the network administrator. SM Appendix M156/M157/M176/M177...
  • Page 162 The machine's memory Press [Exit] to print the originals that Cancelled reached capacity while were successfully scanned into originals were being scanned memory. Then, copy again the from the ADF to perform sort originals left in the ADF. copying. M156/M157/M176/M177 SM Appendix...

  • Page 163: Fax Error Code

    Digit 5 indicates Fax/Internet Fax and TX/RX. Digit 5 (far left) TX or RX TX (Fax) 1xxxxx 2xxxxx RX (Fax) 3xxxxx TX (Internet Fax) 4xxxxx RX (Internet Fax) Fax Error Code Structure Digit 4 Coding (MH/MR/MMR/JBIG) x1xxxx x2xxxx x3xxxx x4xxxx JBIG SM Appendix M156/M157/M176/M177...
  • Page 164 V17 ECM xxcxxx V33 ECM Digit 2 MODEM speed xxx1xx 2400 xxx2xx 4800 xxx3xx 7200 xxx4xx 9600 xxx5xx 12000 xxx6xx 14400 xxx7xx 16800 xxx8xx 19200 xxx9xx 21600 xxxaxx 24000 xxxbxx 26400 xxxcxx 28800 xxxdxx 31200 xxxexx 33600 M156/M157/M176/M177 2-10 SM Appendix...

  • Page 165: Fax Error Code Table

    V8 negotiation Fail xxxx40 Retry Out xxxx41 Too many FTT xxxx42 Too many CRP xxxx43 T2 Time Out Comm. Error 1. Phase-B Error xxxx44 DCN received xxxx45 Command Rec Error xxxx46 Resp Rec Error xxxx47 Invalid Command/Response RX SM Appendix 2-11 M156/M157/M176/M177...
  • Page 166 4. Phase-E Error xxxx80 modem hang-up xxxx81 V34 abort received Comm. Error xxxx82 Other general V34 t1 timeout, control channel error Comm Error xxxx83 V34 t1 timeout, primary channel error xxxx84 data not sent until guard timer expire M156/M157/M176/M177 2-12 SM Appendix...

  • Page 167: Internet Fax Error Code Table

    (make sure that no double-byte character is used). Memory Overflow (The The fax was too large. Resend the machine memory document in parts as several smaller 3xxx33 reached capacity) individual faxes, or send at a lower resolution. SM Appendix 2-13 M156/M157/M176/M177...
  • Page 168 4xxx45). Ask the sender to check the TIFF file. Mail delete error (E-mail Ask the sender to check the e-mail 4xxx27 reception failed) settings. Invalid mail header Ask the sender to check the e-mail 4xxx41 (E-mail reception failed) settings. M156/M157/M176/M177 2-14 SM Appendix...
  • Page 169 TIFF file. Memory Overflow (The The fax was too large. Ask the sender to machine memory resend the document in parts as several 4xxx46 reached capacity) smaller individual faxes, or send at a lower resolution. SM Appendix 2-15 M156/M157/M176/M177...

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