Lexmark S400 Series Service Manual
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Lexmark S400 Series Service Manual

Machine type 4443-201, 4443-202, 4443-203, 4443-20e
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Lexmark S400 Series All-In-One
Machine Type 4443-201, 4443-202, 4443-203, 4443-20E
Service Manual

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Summary of Contents for Lexmark S400 Series

  • Page 1 Lexmark S400 Series All-In-One Machine Type 4443-201, 4443-202, 4443-203, 4443-20E Service Manual...
  • Page 2 Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. All other trademarks are the property of their respective owners.

  • Page 3: Table Of Contents

    Lexmark S400 Series Table of contents Table of contents ............iii Safety information.
  • Page 4 Lexmark S400 Series Printer base removal ............4-42 Locations and connectors .

  • Page 5: Safety Information

    Lexmark S400 Series Safety information • The safety of this product is based on testing and approvals of the original design and specific components. The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts.
  • Page 6 Lexmark S400 Series Pautas de Seguridad • La seguridad de este producto se basa en pruebas y aprobaciones del diseño original y componentes específicos. El fabricante no es responsable de la seguridad en caso de uso de piezas de repuesto no autorizadas.
  • Page 7 Lexmark S400 Series Safety information...

  • Page 8: Preface

    Lexmark S400 Series Preface This manual contains maintenance procedures for service providers. It is divided into the following chapters: 1. General information contains a general description of the printer and the maintenance approach used to repair it. It includes printer specifications, special tools, and acronyms.

  • Page 9: General Information

    Lexmark S400 Series 1. General information The Lexmark™ S400 Series All-In-One (4443-201, 4443-202, 4443-203, 4443-20E) is a letter-quality print, copy, scan, and fax machine. It is a standalone color/mono copier. General information...

  • Page 10: Print Specifications

    Lexmark S400 Series Print specifications Print speed Quick print: 33 ppm mono/30 ppm color Print functions/features Standalone photo printing: • Color or black (grayscale) photo printing • Photo Menu options pop up at card insert • Print all photos • Save photos to PC •...

  • Page 11: Scanner Specifications

    Lexmark S400 Series Scanner specifications Scanner type Flatbed CIS Scan modes True Color: • 48 bits internal • 24 bits external Gray Mode: • 16 bits internal • 8 bits external Text/Line Art: 1 bit per pixel Scan method One pass Smart Copy...

  • Page 12: Copy Specifications

    Lexmark S400 Series Copy specifications Copy function Standalone only Standalone copy speed Quick copy: First copy: 8 ppm mono target, 3 ppm color Additional copies: 25 ppm mono, 21 ppm color Standalone copy specifications Mono copy: • Quick: 300 X 600 dpi print, 150 X 150 ppi scan •...

  • Page 13: Fax Specifications

    Lexmark S400 Series Fax specifications Fax type Standalone mono and color Paper size Sends and receives legal, letter, and A4 Fax resolution Mono and color support initiated via operator panel: • Standard: 200 X 100 ppi • Fine: 200 X 200 ppi •...

  • Page 14: Media Specifications

    Lexmark S400 Series Media specifications Paper capacities Input tray Plain Up to 100 sheets Envelopes Up to 10 envelopes Banner Up to 20 sheets Heavyweight matte Up to 25 sheets Photo/glossy Up to 25 sheets Transparencies Up to 50 sheets...
  • Page 15 Lexmark S400 Series Media sizes (via driver) continued Automatic sheet feed (continued): • 5 x 7 in. • 13 x 18 cm • Custom size (width 3-8.5 in./height 5.0-17.0 in.) Envelopes: • 6 3/4 (3 5/8 x 6 1/2 in.) •...

  • Page 16: Understanding The Operator Panel

    Lexmark S400 Series Understanding the operator panel Using the operator panel The operator panel buttons allow you to copy, scan, fax, or print documents and photos. The operator panel features: • 2 line text LCD • 7 LEDs (6 green, 1 white) •...
  • Page 17 Lexmark S400 Series Number Part Button Function Photo button Accesses the photo menu and prints photos Address Book button Accesses fax numbers from a saved list of numbers Redial/Pause button In fax mode: • Inserts a three-second pause in a fax number to wait for an outside line or to get through an automated answering system.
  • Page 18 Lexmark S400 Series Number Part Button Function Select button • Selects menu options • Saves settings • Feeds or ejects paper (Press and hold for three seconds to feed or eject paper from the printer.) Back button • Returns to the previous screen •...

  • Page 19: Maintenance Approach

    Lexmark S400 Series Maintenance approach The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the error codes, symptom tables, service checks, and diagnostic aids to determine the symptom and repair the failure.
  • Page 20 Lexmark S400 Series 1-12 Service Manual...

  • Page 21: Diagnostic Information

    Lexmark S400 Series 2. Diagnostic information Power-On Self Test (POST) sequence Plug the All-In-One into an electrical outlet, and press the Power button. The All-In-One does a Power-On Self Test (POST) sequence. 1. The Power button light comes on. 2. The following will be displayed on the LCD: Lexmark 3.

  • Page 22: Error Code Table

    Lexmark S400 Series Error Code Table Error Name Description Action Code Print Carrier Stall The All-In-One carrier has Technical Support Center: stalled. Clear the carrier jam, and resend the print job. Service: “Carrier service checks” on page 2-12. 0101 Paper Out The All-In-One is out of paper.
  • Page 23 Lexmark S400 Series Error Name Description Action Code 010B Printhead Error The printhead has an error. Technical Support Center: Reinstall the print tanks. If the error is still there, then replace the print tanks. Check the printhead contacts to be sure that they are clean.
  • Page 24 Lexmark S400 Series Error Name Description Action Code 1100 Paper Jam There is paper jammed in the Technical Support Center: All-In-One. Clear the paper jam, and resend the print job. Service: Clear the paper jam, and resend the print job.
  • Page 25 Lexmark S400 Series Error Name Description Action Code 1201 Print Incomplete The print carrier stopped before Technical Support Center: all of the data was used. Clear any carrier jams. Unplug the All-In- One from the wall outlet, wait a few seconds, then plus the All-In-One back in and turn the power on.
  • Page 26 Lexmark S400 Series Error Name Description Action Code 1207 Paper System Error A paper system error control Technical Support Center: failure was detected. Clear the paper path. Unplug the All-In- One from the wall outlet; wait a few seconds, then plug the All-In-One back in and turn the power on.
  • Page 27 Lexmark S400 Series Error Name Description Action Code 1212 Watchdog Error Indicates printer system was Technical Support Center: reset by Watchdog timer; Unplug the All-In-One from the wall outlet; Subsystem stall failure. wait a few seconds, then plug the All-In- One back in and turn the power on.
  • Page 28 Lexmark S400 Series Error Name Description Action Code 1217 Printhead Temperature Error There is a problem determining Technical Support Center: temperature. Check and clean the contacts. If the problem persists, then replace the printhead. Service: Check and clean the contacts. If the problem persists, then replace the printhead.
  • Page 29 Lexmark S400 Series Error Name Description Action Code 120A Undefined Error The microprocessor has Technical Support Center: encountered an abort or Unplug the All-In-One from the wall outlet; undefined instruction. wait a few seconds, then plug the All-In- One back in, and turn the power on. If the problem remains, then replace the All-In- One.
  • Page 30 Lexmark S400 Series Error Name Description Action Code 121A Loop Timeout Error Error detected that a while loop Technical Support Center: or similar loop timed out before Unplug the All-In-One from the wall outlet; the event it was waiting on wait a few seconds, then plug the All-In- finished.

  • Page 31: Service Checks

    Lexmark S400 Series Service checks System board service checks Symptom Action Dead machine Check the power supply connector J4, pins 1 and 2 for approximately 30 V dc. If voltage is incorrect, replace the power supply. If voltage is correct, check all other connectors on the system board.

  • Page 32: Carrier Service Checks

    Lexmark S400 Series Carrier service checks Symptom Action • The carrier slams • Check the encoder strip for proper installation. against the side • Check the carrier cable connectors J21, J22, and J23 on the system board. If frame. connectors are okay, replace the carrier assembly with belt and cables. See •...

  • Page 33: Diagnostic Aids

    Lexmark S400 Series 3. Diagnostic aids Test mode Test page This test prints the test page. To run a complete test page of black and color patterns, be sure the printhead tanks are in good condition. To enter the test: 1.

  • Page 34: Uninstall/Reinstall Instructions For Windows Users

    1. Unplug the USB cable from the Lexmark S400 Series All-In-One. 2. From your desktop, click Start > Programs > Lexmark S400 Series > Tools > Uninstall Lexmark S400 Series. 3. This message appears: “This program will uninstall the Lexmark S400 Series from your system. Do you wish to continue?”...

  • Page 35: Repair Information

    Lexmark S400 Series 4. Repair information This chapter explains how to make adjustments to the All-In-One and how to remove defective parts. Warning: Read the following before handling electronic parts. Handling ESD-sensitive parts Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent damage to ESD-sensitive parts, follow the instructions below: •...

  • Page 36: Removal Procedures

    Lexmark S400 Series Removal procedures The following procedures are arranged according to the name of the All-In-One part discussed. CAUTION: Unplug the power cord before removing any parts. Releasing plastic latches Many of the parts are held in place with plastic latches. The latches break easily; release them carefully. To remove such parts, press the hook end of the latch away from the part to which it is latched.

  • Page 37: Adf/Scanner Assembly Removal

    Lexmark S400 Series ADF/scanner assembly removal 1. Remove the cable cover (A). 2. Remove the ground cable screw (B), and disconnect the six cables (C). Repair information...
  • Page 38 Lexmark S400 Series 3. Press in on the tab (D), and disconnect the paper support tray from the top of the printer. 4. Remove the paper support tray. Service Manual...
  • Page 39 Lexmark S400 Series 5. Remove the two screws (E) from the rear of the printer. 6. Press in on the latches (F) on both sides of the ADF/scanner assembly. Repair information...
  • Page 40 Lexmark S400 Series 7. Lift the ADF/scanner assembly. 8. Remove the ADF/scanner assembly. Service Manual...
  • Page 41 Lexmark S400 Series 9. Unroute the cables (G) through the bottom of the ADF/scanner assembly. Note: Pay attention to the routing of all cables for reinstallation. 10. Open the scanner lid, and disconnect the tab (H) from the right side of the ADF.
  • Page 42 Lexmark S400 Series 11. Lift the scanner lid, and remove. Service Manual...

  • Page 43: Wick Removal

    Lexmark S400 Series Wick removal 1. Press in on the latches (F) on both sides of the ADF/scanner assembly. 2. Dislodge the wick from the housing with a prying tool. Repair information...
  • Page 44 Lexmark S400 Series 3. Remove the wick from the housing. Note: When re-installing the wick, slide it in the housing. Make sure that it is properly placed under the tabs (A). 4-10 Service Manual...

  • Page 45: Midframe Removal

    Lexmark S400 Series Midframe removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the three screws (A) from the top of the midframe cover. 3. Disconnect the midframe cover from the left side of the printer base.
  • Page 46 Lexmark S400 Series 4. Lift the right side of the midframe cover, and disconnect the cable (B). 5. Lift the midframe cover, and remove. 4-12 Service Manual...

  • Page 47: Ina Card Removal

    Lexmark S400 Series INA card removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the screw (A) from the midframe cover. 4. Lift the INA card shield, and disconnect the cable (B) from the INA card.
  • Page 48 Lexmark S400 Series 5. Remove the two screws (C) from the INA card. 6. Remove the INA card. 4-14 Service Manual...

  • Page 49: Operator Panel Insert Removal

    Lexmark S400 Series Operator panel insert removal 1. Disconnect the operator panel insert from the operator panel. 2. Remove the operator panel insert. 4-15 Repair information...

  • Page 50: Operator Panel Overlay Removal

    Lexmark S400 Series Operator panel overlay removal 1. Remove the operator panel insert. See “Operator panel insert removal” on page 4-15. 2. Lift the operator panel overlay away from the operator panel. 3. Remove the operator panel overlay. 4-16 Service Manual...

  • Page 51: Logo Plate Removal

    Lexmark S400 Series Logo plate removal 1. Use a knife blade to pry the logo plate away from the front of the printer. 2. Remove the logo plate. 4-17 Repair information...

  • Page 52: Operator Panel Removal

    Lexmark S400 Series Operator panel removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Disconnect the cable (A). 4. Lift the operator panel, and remove.
  • Page 53 Lexmark S400 Series Print engine removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the operator panel. See “Operator panel removal” on page 4-18.
  • Page 54 Lexmark S400 Series 7. Remove the two screws (A) from the right side of the print engine, and disconnect the speaker wire (B). 8. Remove the two screws (C) from the left side of the print engine. 4-20 Service Manual...
  • Page 55 Lexmark S400 Series 9. Remove the two screws (D) and the light pipe (E) from the front right side of the printer. 10. Disconnect the purge pump hose (F) from the purge pump. 4-21 Repair information...
  • Page 56 Lexmark S400 Series 11. Lift the print engine, and remove. 4-22 Service Manual...

  • Page 57: Print Engine Removal

    Lexmark S400 Series Paper feed assembly removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the operator panel. See “Operator panel removal” on page 4-18.
  • Page 58 Lexmark S400 Series 8. Unroute the cables from the rear of the printer. 9. Remove the five screws (C) from the paper feed assembly. 10. Disconnect the spring (D). 4-24 Service Manual...
  • Page 59 Lexmark S400 Series 11. Remove the cable (E) from the media sensor assembly bracket. 12. Remove the two screws (F) from the media sensor assembly. 4-25 Repair information...
  • Page 60 Lexmark S400 Series 13. Lift the media sensor slightly to remove the paper feed assembly. 14. Remove the paper feed assembly. 4-26 Service Manual...
  • Page 61 Lexmark S400 Series RFID card removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the two screws (A), and disconnect the cable (B). 4. Remove the RFID card.

  • Page 62: System Board Removal

    Lexmark S400 Series System board removal CAUTION: POTENTIAL INJURY This device contains a lithium battery. There is a danger of explosion if a lithium battery is incorrectly replaced. Replace it only with the same or equivalent type of lithium battery.
  • Page 63 Lexmark S400 Series 8. Disconnect all cables, and remove the two screws (B) from the system board. 9. Press down on the tank access sensor (C) to release the system board from the print engine frame. 10. Remove the system board.
  • Page 64 Lexmark S400 Series Reinstallation note: Press the clip (D) to remove the old battery. Install a new battery. 4-30 Service Manual...

  • Page 65: Carrier Assembly Removal

    Lexmark S400 Series Carrier assembly removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the operator panel. See “Operator panel removal” on page 4-18.
  • Page 66 Lexmark S400 Series 9. Disconnect the clip (D) from the left side of the carrier assembly. 10. Disconnect the hose (E) from the purge pump. 4-32 Service Manual...
  • Page 67 Lexmark S400 Series 11. Lift the purge pump, and remove. Note: Be sure to pay attention to the position of the encoder dial when reinstalling the purge pump. 12. Disconnect the belt (F). 13. Remove the carrier shaft through the right side of the carrier assembly frame.
  • Page 68 Lexmark S400 Series 14. Press on the clip (G), and remove the carrier cables. 15. Remove the clip from the carrier cables. 4-34 Service Manual...
  • Page 69 Lexmark S400 Series 16. Remove the carrier assembly. 4-35 Repair information...

  • Page 70: Encoder Dial Sensor Removal

    Lexmark S400 Series Encoder dial sensor removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the operator panel. See “Operator panel removal” on page 4-18.

  • Page 71: Fax Card Removal

    Lexmark S400 Series Fax card removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the print engine. See “Print engine removal” on page 4-19.
  • Page 72 Lexmark S400 Series 7. Remove the two screws (C) from the system board plate. 8. Remove the system board plate. 9. Remove the three screws (D) from the fax card. 4-38 Service Manual...
  • Page 73 Lexmark S400 Series 10. Lift the fax card, and remove. 4-39 Repair information...

  • Page 74: Media Sensor Removal

    Lexmark S400 Series Media sensor removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the two screws (A). 4. Disconnect the cable (B). 4-40...
  • Page 75 Lexmark S400 Series 5. Remove the media sensor. 4-41 Repair information...

  • Page 76: Printer Base Removal

    Lexmark S400 Series Printer base removal 1. Remove the ADF/scanner assembly. See “ADF/scanner assembly removal” on page 4-3. 2. Remove the midframe. See “Midframe removal” on page 4-11. 3. Remove the operator panel. See “Operator panel removal” on page 4-18.

  • Page 77: Locations And Connectors

    Lexmark S400 Series 5. Locations and connectors Locations Front view Number Part Function Paper support Loads paper Paper guide adjustment lever Adjusts the paper guides Wi-Fi indicator Checks wireless status Memory card slots Inserts a memory card PictBridge and USB port...

  • Page 78: Rear View

    Lexmark S400 Series Rear view Number Part Function Top cover Accesses the scanner glass Scanner glass Scans and copies photos and documents Power supply with port Connects the printer to a power source EXT port Connects additional devices (telephone or answering...

  • Page 79: System Board

    Lexmark S400 Series System board Lithium battery CR2032 J2 J3 System board connections Connector Description Cable color Pin number Value Paper feed motor Red, green Locations and connectors...
  • Page 80 Lexmark S400 Series Transport carrier motor Red, black 1 & 2 30 V Purge pump motor Red, yellow 1 & 2 30 V Power supply Blue, black 1 & 2 30 V Scanner motor Green, white, red, blue ADF paper feed motor...

  • Page 81: Ina Card

    Lexmark S400 Series INA card INA card connections Connector Description Pin number Value Locations and connectors...

  • Page 82: Rfid Card

    Lexmark S400 Series RFID card (under shield) RFID card connections Connector Description Pin number Value Service Manual...

  • Page 83: Preventive Maintenance

    Lexmark S400 Series 6. Preventive maintenance This chapter describes procedures for printer preventive maintenance. Follow these recommendations to help prevent problems and maintain optimum performance. Lubrication specifications Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use grease to lubricate the following: •...
  • Page 84 Lexmark S400 Series Service Manual...

  • Page 85: Parts Catalog

    Lexmark S400 Series 7. Parts catalog How to use this parts catalog The following legend is used in the parts catalog: Asm- Units/ Units/ Description Index mach • Asm-index: Identifies the assembly and the item in the diagram. For example, 2-1 indicates assembly 2 and item number 1.

  • Page 86: Assembly 1: Covers

    Lexmark S400 Series Assembly 1: Covers Service Manual...
  • Page 87 Lexmark S400 Series Asm- Units/ Units/ Description Index mach Paper 405 support tray ADF cover ADF paper tray 405 ADF scanner lid assembly Scanner module assembly Midframe cover Cable cover Light pipe Operator panel insert (clear) Operator panel overlay Operator panel assembly...

  • Page 88: Assembly 2: Electronics

    Lexmark S400 Series Assembly 2: Electronics Service Manual...
  • Page 89 Lexmark S400 Series Asm- Units/ Units/ Description Index mach Encoder with spring Carrier assembly with belts and cables Wick (40X6350) RFID card Fax card Print engine assembly System board Printer base cover assembly Exit tray Parts catalog...
  • Page 90 Lexmark S400 Series Service Manual...

  • Page 91: Index

    Lexmark S400 Series Index 1-11 1-11 Acronyms Tools required Diagnostic aids Test mode Diagnostic information POST 2-11 Service checks 2-12 Carrier 2-11 CIS module assembly 2-11 System board Troubleshooting tables Error code table General information Copy specifications Media specifications Print specifications...
  • Page 92 Lexmark S400 Series Service Manual...

This manual is also suitable for:

4443-20e4443-2014443-2024443-203

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