Lexmark 3200 Service Manual
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Lexmark 3200 Service Manual

Lexmark 3200 Service Manual

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3200MFP
Service Manual
4036-306
Lexmark International, Inc.

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  • Page 1 3200MFP Service Manual 4036-306 Lexmark International, Inc.

  • Page 2: Table Of Contents

    Table of Contents OVERVIEW............................... 1-1 ........................1-1 ENERAL NOTES FOR SERVICING ........................1-2 ENERAL RODUCT ESCRIPTION ............................. 1-2 RODUCT EATURES ..........................1-3 RODUCT PECIFICATIONS ..............................1-3 ASIS ..............................1-3 IREWIRE ..........................1-4 EVICE ONFIGURATION Outer View ................................. 1-4 Mechanical Configuration ..........................
  • Page 3 4.4.9 Upper Housing Removal........................4-18 4.4.10 Flatbed Optical Chassis Removal ....................4-19 4.4.11 Flatbed Lamp Removal ........................4-20 4.4.12 Flatbed CCFL Inverter PCBA Replacement .................. 4-21 4.4.13 Motor (Flatbed) Removal ....................... 4-22 4.4.14 The Control Panel PCBA Removal ....................4-23 4.4.15 Main Control PCBA Replacement....................

  • Page 5: Overview

    1. Overview General Notes for Servicing Product Description Product specifications Device Configuration Theory of Operation This manual is intended to be used by the maintenance engineers. It describes the areas to be maintained, the installation, the disassembly, and the main trouble shooting guides. Please take your time to read this manual thoroughly to obtain comprehensive knowledge about the 3200MFP before serving the unit.

  • Page 6: General Product Description

    1.2 General Product Description 3200MFP is a multifunction solution that offers integrated print, copy, fax and color network-scanning capabilities for increased small workgroup productivity. The 3200MFP is easy to use and provides low- cost access to key office functions, including fax from workstation, network color copying, scanning, and electronic document routing.

  • Page 7: Product Specifications

    1.4 Product Specifications The 3200MFP is designed to meet the following product specifications: Function 3200MFP ADF mono @ 300 22 ppm ADF Mono @ 600x300 18 ppm (22 ppm possible?) ADF color @ 300 15 ppm ADF color @ 600 5 ppm ADF type Straight...

  • Page 8: Device Configuration

    1.5 Device Configuration This section describes the device configuration of the multifunction product. Outer View Auto Document Paper Feed Feeder Tray Document cover LCD-display Control Panel Output Paper Tray Extension Extension Power Switch Power Port 1394 Port Figure 1.1 3200MFP Outer View...

  • Page 9: Mechanical Configuration

    Mechanical Configuration The equipment consists of the following components: Document Cover Document Cover and Paper Tray ADF Paper Feed Tray Upper Housing Unit Upper Cover ADF Cover Optical Chassis (ADF) ADF Unit ADF Module Image Bottom housing unit Lower Unit Scanner Motor unit Panel Cover...
  • Page 10 ADF Cover Optical Chassis (ADF) ADF Module ADF Paper Feed Tray Document Cover Upper Output Housing Unit Paper Tray Motor Unit Bottom Optical Housing Chassis (Flatbed) Main Control Panel Cover PCBA Panel PCBA...

  • Page 11: Wiring Configuration

    Wiring Configuration Control CCD Board 1 Panel Board CCD Board 2 LED Board Figure 1.2 Wiring Configuration...

  • Page 12: Theory Of Operation

    1.6 Theory of Operation Introduction This section explains the theory of operation of this scanner. The microprocessor in this scanner controls the following functions. • Interface • Scanning module drive • ADF drive • Reading mode (reading density, document size, half-tone) selection. Figure 1.3 shows the operation mode sequence.

  • Page 13: System Description

    System Description The 3200MFP is a duplex scanner which can scan synchronously both top and bottom size in a document. It includes one main control board, two optical modules, one ADF module and one LCD panel. System Diagram Figure 1.4 shows the system block diagram. The main control board controls all the modules built up the 3200MFP.
  • Page 14 To printer 110/240 VAC Power supply 1394 Controller LED display Control section Control Main board Sensor input Panel Video Circuit ADF section ADF motor ADF sensor Flatbed Optical unit motor ADF's video circuit Inverter Lamp unit Figure 1.4 System Block Diagram 1-10...
  • Page 15 1394 interface: This scanner and the printer are connected via the 1394 interface. Video circuit: The video circuit of this scanner includes: CCD driving circuit, CCD signal processing circuit. 1 CCD Driving Circuit The CCD driving circuit is used to generate correct signals to the CCD, so that the CCD may generate the correct image data.
  • Page 16 Pin Assignment for ADF Video Circuit J9: Pin No. Name Function H.G. Inverter Ground +24V Analog +24V Power Supply +5V GND +5V Power Supply CCD B/W Control Switch Channel Shift Gate CCD Reset Gate Clamp CCD Clamp Signal +5V GND CCD Clock Phase CCD Clock Phase H24G...
  • Page 17 2. CCD signal processing circuit Video Noise Level Suppression PGA* Shift Converter Circuit DC Offset Adjust Circuit The video noise suppression circuit is to eliminate the reset noise and low frequency noise of CCD and then PGA performs video gain control. The “level shift” circuit is used to bias the PGA output to satisfy the reference bottom requirement of the A/D converter.
  • Page 18 Sensor input The sensor input includes home position sensor and ADF cover sensor. 1. Home position sensor The home position of the carrier motor is detected by photo sensor. The photo transistor transmission to the photo sensor receiver circuit is shown below . Figure 1.5 Home position sensor The home position is detected when the carrier passes between the LED and the photo transistor.

  • Page 19: Installation

    2. Installation Precautions of Installation Unpacking Procedure Unlocking Your Scanner Cable Connection This chapter explains the unpacking procedure, installation procedure and confirmation of operation. Precautions of Installation Pay attention to the following matters before unpacking and installation. • Do not install in a place where vibration may occur. •...
  • Page 20 Unlocking Your Scanner The scanner is designed with the lock switch on the bottom to protect the scanning unit during transportation. Please unlock the scanner first before using it. Place the scanner on its side as shown in Figure 2.2 Locate the lock switch near the control panel.

  • Page 21: Cable Connection

    Cable Connection Two cables are required to operate the scanner: the 1394 signal cable and the power cable. The power cable connects the scanner to the power source. The 1394 signal cable connects the scanner to the host for image transfer. 2.4.1 Power Cable Connection Remove the power cable from the PVC bag.

  • Page 23: Problem Solving

    3. Problem Solving Diagnostics Troubleshooting This chapter describes two methods to solve the operational problems. The first relies on the 3200MFP’s internal diagnostics. The second uses troubleshooting flowcharts and tables to isolate the problem. In many cases, the internal diagnostics will help you to locate the source of the problem quickly.
  • Page 24 3.1.1.1 Group 1 Error Flowchart This flowchart applies when the flatbed lamp blinks seven or eight times. Seven blinks indicate the lamp in the flatbed unit is defective while eight blinks indicate the lamp in the ADF optical chassis is defective. Group 1 error Lamp is CCD error...
  • Page 25 3.1.1.2 Group 2 Error Flowchart (Flatbed) This flowchart applies when the flatbed lamp blinks six times. Group 2 error Flatbed motor moves? ADF/Flatbed home Flatbed motor error position sensor error Replace flatbed Replace home position sensor motor Flowchart 3.2...
  • Page 26 3.1.1.3 Troubleshooting flowchart: power on to scanner ready. Troubleshooting From Power on Power See Table 3.1 LED on Refer to p. 3-18 Error Codes to Initial Test replace key component Scan module moves to the See Table 3.3 home position Scan module moves to the See Table 3.2...
  • Page 27 3.1.1.4 Troubleshooting flowchart: online flatbed operation Online Troubleshooting (Flatbed Operation) Scan module moves to See Table 3.5 flatbed scan position Reading performed See Table 3.6 Image See Table 3.7 appears Large jitter See Table 3.8 Reading See Table 3.9 position deviation Image unclear See Table 3.10...
  • Page 28 3.1.1.5 Troubleshooting flowchart: online ADF operation (ADF mode) Online Troubleshooting Frequent See Table 3.12 Paper Jam? Frequent See Table 3.13 double feed Large skew See Table 3.13 volume? See Table 3.8 Large jitter Reading See Table 3.9 position deviation? Image See Table 3.10 unclear Strange sound...
  • Page 29 3.1.1.6 Troubleshooting flowchart: Offline flatbed operation (Flatbed operation) Offline Troubleshooting Power See Table 3.1 LED on Replace Scanner Main Initial Test Board Scan module See Table 3.3 moves back to home position Scan module See Table 3.2 moves to shipping position Scan module moves See Table 3.3...
  • Page 30 3.2.2 Tables The tables in this section provide detailed troubleshooting information. 3.1.1.7 The Power LED does not go on Cause Relevant Unit Check Method Maintenance Remark N N N N Method Unplugged from None Visual check Insert the AC plug None outlet into the outlet.
  • Page 31 3.1.1.8 Scan module does not move to lock position Cause Relevant Unit Check Method Maintenance Remark Method Flatbed CCD Sensor board-main Tester or visual Replace the home board-main control PCBA cable check position cable. control PCBA cable failure. Home position CCD board Tester check Replace the CCD...
  • Page 32 3.1.1.9 Scan module does not move to the home position Cause Relevant Unit Check Method Maintenance Remark Method Home position None Visual check Connect the None sensor board-main connector. control PCBA connection failure Home position Sensor board-main Tester or visual Replace the home sensor board-main control PCBA cable...
  • Page 33 3.1.1.10 Ready and Power LED does not light on Cause Relevant Unit Check Method Maintenance Remark Method ADF control board- None Visual check Check connector None main control PCBA and the cable connection failure between the ADF control board and main PCBA board.
  • Page 34 3.1.1.11 Scan module does not move to the flatbed position Cause Relevant Check Method Maintenance Remark Unit Method Power supply- None Visual check Replace the None main control power supply. board connection failure Power supply Power Tester check Replace the None fails supply...
  • Page 35 3.1.1.12 Reading is not performed Cause Relevant Unit Check Method Maintenance Remark Method ADF cover open ADF cover Visual check Close the ADF None cover. Table 3.6 3.1.1.13 Image does not appear Cause Relevant Unit Check Method Maintenance Remark Method ADF cover open ADF cover Visual check...
  • Page 36 3.1.1.14 Large jitter Cause Relevant Check Method Maintenance Remark Unit Method Power supply-main None Visual check Connect the None control board connector. connection failure Power supply fails Power supply Tester check Replace the power None supply. (+24V, GND) Motor-main control None Visual check Connect the...
  • Page 37 3.1.1.15 Reading position deviation Cause Relevant Unit Check Method Maintenance Remark Method Power supply-main None Visual check Connect the None control board connector. connection failure Power supply fails Power supply Tester check (+5V, Replace the power None +24V, GND) supply. Motor- main None Visual check...
  • Page 38 3.1.1.17 Strange Sound Generated (flatbed) Cause Relevant Unit Check Method Maintenance Remark Method Motor unit failure Motor unit Replace the motor Replace the motor None unit. unit. Main control PCBA Main control Replace the main Replace the main None failure PCBA control PCBA.
  • Page 39 3.1.1.19 Frequent double feed and skew Cause Relevant Unit Check Method Maintenance Remark Method Paper setting Operation error Is the paper Teach users to None failure correctly set in properly position the paper chute? the paper Paper failure Operation error Is the specified None None...

  • Page 40: Error Code

    3.2 Error Code Error Codes Lamp Comment Change blink 0A980(flatbed) SDRAM SDRAM fail Change scanner card test error 0A980(ADF) SDRAM test SDRAM fail Change scanner card error A/D dark calibration error Flatbed error Change Flatbed lamp mechanism (flatbed) or scanner card A/D dark calibration error ADF error Change duplex side of ADF lamp...

  • Page 41: Maintenance

    4. Maintenance Cleaning Maintenance Tools Replacement Components Outer View Parts That Must Not Be Disassembled Spare Parts Replacement This chapter describes methods for cleaning, and the maintenance parts replacement, adjustment and lubrication necessary for normal operation of the image scanner. Perform preventative maintenance in the shorter term either every 6 months or every 60,000 sheets scanning.

  • Page 42: Adf Unit

    4.1.2 ADF unit Push the ADF unit backward to open the unit. Clean the pad assembly and feed roller (Fig. 4-1) in the ADF section with a lint-free cloth and isopropyl alcohol. Clean the pad assembly by wiping it in the direction of the arrow as shown in Fig. 4-2. Assembly Feed Roller Figure 4.2 Feed Roller (with ADF open)

  • Page 43: Maintenance Tools

    4.2 Maintenance Tools Table 4.1 describes the maintenance tools necessary for the maintenance of this equipment. Name Description Flathead screwdriver Idler pulley module screw Philips screwdriver (magnetic) Nominal No.2 M3, M4 Nut driver 6 mm LPS-1 Grease Lubricants SYN 7068 Alcohol (Isopropyl 91% >) Cleaning Image quality check...

  • Page 44: Optical Chassis Unit

    4.3.2 Optical chassis unit Lamp Assembly CCD Board Figure 4.4 Flatbed Optical Chassis Unit CCD Board Figure 4.5 ADF Optical Chassis Unit...

  • Page 45: Lamp Inverter Circuit

    4.3.3 Lamp Inverter circuit Figure 4.6 Lamp inverter circuit...

  • Page 46: Lamp (Flatbed)

    4.3.4 Lamp (Flatbed) Name Specification Lamp Cold cathode fluorescent lamp Table 4.2 Lamp Figure 4.7 Lamp (Flatbed)

  • Page 47: Motor Unit (Flatbed)

    4.3.5 Motor unit (Flatbed) Figure 4.8 Motor unit (Flatbed)

  • Page 48: Belt (Flatbed)

    4.3.6 Belt (Flatbed) Figure 4.9 Belt (Flatbed)

  • Page 49: Adf Unit

    4.3.7 ADF unit Figure 4.10 ADF unit 4.3.8 Control Panel PCBA Figure 4.11 Control Panel PCBA...

  • Page 50: Parts That Must Not Be Disassembled

    4.3.9 Parts That Must Not Be Disassembled Parts shown below must not be disassembled because they are adjusted at the factory. 4.3.9.1 CCD Board Screws Screws for CCD board in the optical chassis unit are as shown. Fixing Screws Figure 4.12a Flatbed CCD board screws Fixing Screws Figure 4.12b ADF CCD board screws...

  • Page 51: Spare Parts Replacement

    4.4 Spare Parts Replacement This section describes the spare parts replacement procedures. Depending on the part, adjustment or lubrication may be necessary, but this will be described in Section 4.7. 4.4.1 Notes on Replacement 1. Clean the disassembly and assembly location. 2.

  • Page 52: Document Cover Removal

    4.4.3 Document Cover Removal As shown below, lift the document cover to remove the studs from the hinge holes. The studs are loosely attached to the hinge holes in the purpose to cover the depth of your original. Studs Document Cover Hinge Holes Figure 4.14 Document Cover Removal...

  • Page 53: Adf Cover Removal & Mounting

    4.4.4 ADF Cover Removal & Mounting As shown below, loosen the ADF cover fixing screws and remove the ADF cover to the direction of the arrow. Fixing Screws Figure 4.15a ADF Cover Removal To mount the ADF cover, 1. Push the ADF unit backward. 2.

  • Page 54: Adf Optical Chassis Removal

    4.4.5 ADF Optical Chassis Removal 1. Remove the ADF cover. (See subsection 4.4.4) 2. Remove the ADF fixing screws to pull the ADF optical chassis as shown in Figure 4.16a. 3. Use a flat screwdriver to remove the inverter board. 4.

  • Page 55: Adf Unit Removal

    4.4.6 ADF Unit Removal Remove the ADF optical chassis (See subsection 4.4.5). Remove the fixing screws located at the four corners of the ADF unit. Lift the ADF unit to remove it as shown in Figure 4-17. Fixing Screws(four) Figure 4.17 ADF Unit Removal 4-15...

  • Page 56: Adf Inverter Removal

    4.4.7 ADF Inverter Removal Remove the ADF optical chassis (See subsection 4.4.5). Disconnect the ADF inverter cable. Remove the ADF inverter. ADF inverter cable Figure 4.18 ADF Unit Removal 4-16...

  • Page 57: Adf Lamp Removal

    4.4.8 ADF Lamp Removal Remove the ADF optical chassis. (See subsection 4.4.5) Use your right hand to hold the main frame of the ADF unit while the other hand hold the base of the ADF unit. Then push forward to separate these two parts. Use pincerpliers to remove the screws on the ADF lamp assembly as shown in below.

  • Page 58: Upper Housing Removal

    4.4.9 Upper Housing Removal 1. Remove the Document cover. (See subsection 4.4.3) 2. Remove the ADF unit. (See subsection 4.4.4 and subsection 4.4.5) 3. Remove the rubber pad with a flat screwdriver. 4. Remove the fixing screws beneath the rubber pad. 5.

  • Page 59: Flatbed Optical Chassis Removal

    4.4.10 Flatbed Optical Chassis Removal Remove the Document cover. (See subsection 4.4.3) Remove the ADF unit. (See subsection 4.4.5 and subsection 4.4.6) Remove the upper housing. (See subsection 4.5.7) Loosen the belt from the wheel. (See following figure.) Remove the sliding rod and the flat cable. (See following figure.) Take out the flatbed optical chassis.

  • Page 60: Flatbed Lamp Removal

    4.4.11 Flatbed Lamp Removal 1. Remove the flatbed optical chassis. (See subsection 4.4.8) 2. Remove the ADF unit. (See subsection 4.4.6) 3. Disconnect the lamp cable. The Lamp Flatbed Cable Optical Chassis The lamp Figure 4.22 Lamp Removal 4-20...

  • Page 61: Flatbed Ccfl Inverter Pcba Replacement

    4.4.12 Flatbed CCFL Inverter PCBA Replacement 1. Remove the flatbed optical chassis. (See subsection 4.5.7) 2. Disconnect the lamp cable (the while cable). 3. Disconnect the lamp inverter cable (the red cable). 4. Pull out the lamp inverter PCBA. Lamp Cable Inverter Cable Figure 4.23 The lamp inverter PCBA Removal (flatbed) 4-21...

  • Page 62: Motor (Flatbed) Removal

    4.4.13 Motor (Flatbed) Removal Remove the Document cover. (See subsection 4.5.2) Remove the ADF unit. (See subsection 4.5.3 and subsection 4.5.4) Remove the upper housing. (See subsection 4.5.6) Remove the flatbed optical chassis. (See subsection 4.5.7) Disconnect the motor cable. Remove the ring on the gear indicated.

  • Page 63: The Control Panel Pcba Removal

    4.4.14 The Control Panel PCBA Removal 1. Place the scanner on its side as shown in Figure 4.25. 2. Loosen the control panel from the scanner. 3. Disconnect the flat cable. 4. Remove the control panel cover gently. Flat Cable Figure 4.25 The Control Panel PCBA Removal 4-23...

  • Page 64: Main Control Pcba Replacement

    4.4.15 Main Control PCBA Replacement 1. Loosen the metal cover fixing screws from the bottom housing as shown n Figure 4.26. 2. Remove all cables of the PCBA. 3. Remove all connectors. 4. Remove DB25 connector fixing screws with a nut driver. Fixing Screws Figure 4.26 Metal Cover Removal...

  • Page 65: Led & Sensor Pcba Replacement

    4.4.16 LED & Sensor PCBA Replacement 1. Remove the ADF unit. (see subsection 4.5.5) 2. Disconnect all cables. Figure 4.28 LED display PCBA replacement 4-25...

  • Page 66: Pcba Voltage Test

    4.5 PCBA Voltage Test This chapter describes how to check parts for proper voltage levels. 4.5.1 Check power supply output voltage Tool: DMM (Digital Multi Meter) Procedure: Loosen the screws on the main PCBA cover. Remove the metallic plate underneath the PCBA, but keep each cable connected.
  • Page 67 2. The turn-on method for each LED are listed below: The Yellow LED: Turn on the scanner. The Green LED: Turn on the scanner and wait for the scanner to get ready. The Red LED: Turn on the scanner and wait for the scanner to get ready. Then push the paper-in sensor on the ADF.

  • Page 68: Lubrication

    Lubrication 4.6.1 Mechanical unit lubrication This lubrication method in this manual is as follows: Lubrication cycle Amount of lubricant Lubricant type Lubrication position number Lubrication position number The position to be lubricated is indicated with a number. Lubricant type A: Lubriplate 603-2 B: LPS-1 Amount of lubricant C: Coat thinly, uniformly...

  • Page 69: Parts

    5. PARTS Spare Parts and AFR 10-1...
  • Page 70 13-1 13-2 15-1 15-2 16-1 17-1 To Operator Panel...
  • Page 71 Paper Output Chute Module Pad Assembly Carton Scanner Main Body Assembly...
  • Page 72 Table 5.1 Spare Parts for 3200MFP Item Avision LEXMARK ACCEPT DESCRIPTION ORDER QTY See note 002-0905-0-SP 0056P0193 S-PARTS: ASS'Y, PAPER OUTPUT 002-1814-0-SP 0056P1732 S-PARTS: ASS'Y, PAPER GUIDE, 002-1137-0-SP 0056P0194 S-PARTS: ASS'Y, DOCUMENT COVER 003-5478-0-SP 0056P1731 S-PARTS: FLATBED MODULE, 002-0998-0-SP S-PARTS: ADF COVER ASS'Y 002-1676-0-SP S-PARTS: ASS'Y, ADF OPTICAL, 004-0685-0-SP...

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