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4-21

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.

Figure 4.23  The lamp inverter PCBA Removal (flatbed)

Inverter Cable

Lamp Cable

Содержание 3200 - MFP - Option

Страница 1: ...3200MFP Service Manual 4036 306 Lexmark International Inc...

Страница 2: ...DIAGNOSTICS 3 1 3 1 1 Diagnostic Flowcharts 3 1 3 2 ERROR CODE 3 18 4 MAINTENANCE 4 1 4 1 CLEANING 4 1 4 1 1 Cover and Glass 4 1 4 1 2 ADF unit 4 2 4 2 MAINTENANCE TOOLS 4 3 4 3 REPLACEMENT COMPONENTS...

Страница 3: ...4 22 4 4 14 The Control Panel PCBA Removal 4 23 4 4 15 Main Control PCBA Replacement 4 24 4 4 16 LED Sensor PCBA Replacement 4 25 4 5 PCBA VOLTAGE TEST 4 26 4 5 1 Check power supply output voltage 4 2...

Страница 4: ......

Страница 5: ...le the 3200MFP make sure the power supply cord of the 3200MFP is disconnected from the power outlet Under any circumstance do not remove or install the connectors on the 3200MFP with the power supply...

Страница 6: ...like a panel on a regular copier with the standard phone keys added The operating steps follow the same procedure as that of a regular copier or fax machine A Digital Copier and a Full function Fax Ma...

Страница 7: ...06 inch ADF paper capacity 50 sheets Paper feed Single side Face down ADF jam rate 1 2000 ADF miss feed 1 2000 1 1500 ADF multiple feed 1 500 1 400 ADF dog ear 1 500 Flat bed optical resolution 600 x...

Страница 8: ...bes the device configuration of the multifunction product Outer View Figure 1 1 3200MFP Outer View Document cover LCD display Control Panel Paper Feed Tray Auto Document Feeder Output Paper Tray Exten...

Страница 9: ...cument Cover and Paper Tray Upper Cover ADF Unit Lower Unit Main Control PCBA Output Paper Tray Document Cover ADF Paper Feed Tray Upper Housing Unit ADF Cover Optical Chassis ADF ADF Module Bottom ho...

Страница 10: ...Document Cover ADF Paper Feed Tray ADF Module ADF Cover Upper Housing Unit Output Paper Tray Panel PCBA Panel Cover Main Control PCBA Optical Chassis Flatbed Motor Unit Bottom Housing Optical Chassis...

Страница 11: ...1 7 Wiring Configuration Figure 1 2 Wiring Configuration Control Panel Board CCD Board 2 LED Board CCD Board 1...

Страница 12: ...anning module drive Reading Figure 1 3 Operation sequence Mechanical Section Operation Scanning module drive The carrier is driven by a 2 phase stepping motor The stepping motor has a rotation of 1 8...

Страница 13: ...nal 64MB SRDRAM for data processing two A D converter for processing flatbed and ADF CCD signals input two sets of motor drivers for driving flatbed and ADF motors one 1394 controller for data interfa...

Страница 14: ...am Video Circuit Main board Control section Optical unit Lamp unit Inverter Flatbed motor Power supply LED display Sensor input ADF section ADF motor ADF sensor 110 240 VAC Control Panel 1394 Controll...

Страница 15: ...cuit J3 Pin No Name Function 1 H G Inverter Ground 2 H G Inverter Ground 4 Lamp V Inverter Power Supply 5 Lamp V Inverter Power Supply 6 5V 5V Power Supply 7 SH Channel Shift Gate 8 Home Sensor Sensor...

Страница 16: ...RS CCD Reset Gate 8 Clamp CCD Clamp Signal 9 GND 5V GND 10 PH2 CCD Clock Phase 11 PH1 CCD Clock Phase 12 H24G 24V Ground 13 A G Analog Ground 14 24Va Analog 24Va Power Supply Pin Assignment for ADF Vi...

Страница 17: ...rms 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 The DC OFFSET Adjust circuit is used to adjust the bias l...

Страница 18: ...etected 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 betw...

Страница 19: ...ight Do not install near a heat source Do not place the scanner around materials which shut off the circulation of air Do not install in a humid or dusty place Do not use the wall socket with connecti...

Страница 20: ...e scanner on its side as shown in Figure 2 2 2 Locate the lock switch near the control panel Move the lock switch to the Unlock position as shown in Figure 2 3 3 Remove the shipping retainer from its...

Страница 21: ...o the host for image transfer 2 4 1 Power Cable Connection 1 Remove the power cable from the PVC bag 2 Turn the power switch to the off position 0 depressed 3 Connect the female plug of the power cabl...

Страница 22: ......

Страница 23: ...nostics first If the diagnostics do not locate the source of the problem refer to Section 3 2 Troubleshooting 3 1 Diagnostics 3 1 1 Diagnostic Flowcharts Use the flowcharts that follow to determine th...

Страница 24: ...ven blinks indicate the lamp in the flatbed unit is defective while eight blinks indicate the lamp in the ADF optical chassis is defective Flowchart 3 1 Group 1 error Lamp is on Inverter Error Replace...

Страница 25: ...Flatbed This flowchart applies when the flatbed lamp blinks six times Flowchart 3 2 Group 2 error Flatbed motor moves Flatbed motor error Replace flatbed motor ADF Flatbed home position sensor error...

Страница 26: ...o the home position No Scan module moves to the lock position Yellow LED off power and ready LED on No No See Table 3 2 See Table 3 3 Scan module moves to the home position Wait for command from host...

Страница 27: ...es No Yes No No See Table 3 5 See Table 3 6 See Table 3 11 Scan module moves to flatbed scan position Reading performed Large jitter End Yes No No No Yes Yes Yes Yes No See Table 3 7 See Table 3 8 See...

Страница 28: ...Yes Yes Frequent Paper Jam Frequent double feed Large skew volume Large jitter Reading position deviation Online Troubleshooting End See Table 3 12 See Table 3 13 See Table 3 13 See Table 3 8 See Tab...

Страница 29: ...s back to home position No See Table 3 3 See Table 3 4 Jam LED off power and ready LED on No Yes See Table 3 4 Ready and Yellow LED on No Yes Scan one page of Image Replace Scanner Main Board ARM7 SDR...

Страница 30: ...disconnected None Visual check Connect the connector None Power unit main PCBA connection failure None Visual check Connect the connector None Power unit output voltage failure Power unit Output volt...

Страница 31: ...ion sensor board failure CCD board Tester check Replace the CCD PCBA None Motor main control PCBA connection failure None Visual check Connect the connector None Motor failure Motor Visual check Repla...

Страница 32: ...d main control PCBA cable Tester or visual check Replace the home position sensor cable Power supply main control board connection failure None Visual check Connect the connector None Power supply fai...

Страница 33: ...DF control board main control PCBA cable failure Sensor board main control PCBA cable Tester or visual check Check ADF control board Home position sensor board failure Sensor board Tester check Check...

Страница 34: ...ntrol board connection failure None Visual check Replace the power supply None Power supply fails Power supply Tester check 24V GND Replace the power supply None Motor main control PCBA connection fai...

Страница 35: ...ck Close the ADF cover None Power supply main control board connection failure None Visual check Connect the connector None Power supply fails Power supply Tester check 24V GND Replace the power suppl...

Страница 36: ...nnection failure None Visual check Connect the connector None Power supply fails Power supply Tester check 24V GND Replace the power supply None Motor main control PCBA connection failure None Visual...

Страница 37: ...rd main control PCBA cable Tester or visual check Replace the home position sensor cable None Home position sensor board failure Sensor board Tester check Replace the PCBA None Table 3 9 Refer to sect...

Страница 38: ...n the rail with isopropyl alcohol None Table 3 11 3 1 1 18 Frequent paper jam Cause Relevant Unit Check Method Maintenance Method Remark Paper setting failure Operation error Is the paper correctly se...

Страница 39: ...e pad assembly for wear and tear Replace the pad assembly touch spring unit None ADF unit failure ADF unit Replace the ADF unit Replace the ADF unit None Table 3 13 3 1 1 20 Strange sound generated AD...

Страница 40: ...or scanner card A D dark calibration error ADF 5 ADF error Change duplex side of ADF lamp mechanism or scanner card Home sensor or flatbed motor error 6 Flatbed chassis did not move to proper positio...

Страница 41: ...cement 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 4 1 Cle...

Страница 42: ...t 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 F...

Страница 43: ...ease Lubricants SYN 7068 6 Alcohol Isopropyl 91 Cleaning 7 TBD Image quality check 8 Digital voltmeter With 0 01 V range 9 Oscilloscope 10MHz or more with external sweep 10 Compressed air Can air oil...

Страница 44: ...4 4 4 3 2 Optical chassis unit Figure 4 4 Flatbed Optical Chassis Unit Figure 4 5 ADF Optical Chassis Unit CCD Board Lamp Assembly CCD Board...

Страница 45: ...4 5 4 3 3 Lamp Inverter circuit Figure 4 6 Lamp inverter circuit...

Страница 46: ...4 6 4 3 4 Lamp Flatbed Name Specification Lamp Cold cathode fluorescent lamp Table 4 2 Figure 4 7 Lamp Flatbed Lamp...

Страница 47: ...4 7 4 3 5 Motor unit Flatbed Figure 4 8 Motor unit Flatbed...

Страница 48: ...4 8 4 3 6 Belt Flatbed Figure 4 9 Belt Flatbed...

Страница 49: ...4 9 4 3 7 ADF unit Figure 4 10 ADF unit 4 3 8 Control Panel PCBA Figure 4 11 Control Panel PCBA...

Страница 50: ...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 Figure 4 12a Flatbed CCD board screws Fig...

Страница 51: ...ntacts and spare part mounting 6 Assemble in the reverse order of disassembly 4 4 2 ADF Snap in Pad Module Removal and Mounting After scanning approximately 100 000 pages through the ADF the ADF pad m...

Страница 52: ...n 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 Figure 4 14 Document Cover...

Страница 53: ...ount the ADF cover 1 Push the ADF unit backward 2 Take out the ADF cover and align the two clip joints on the ADF unit as shown in Figure 4 15b 3 Fasten the fixing screws see Figure 4 15a Figure 4 15b...

Страница 54: ...ADF optical chassis as shown in Figure 4 16a 3 Use a flat screwdriver to remove the inverter board 4 Disconnect the ADF motor board cable as shown in Figure 4 16b Figure 4 16a Removing the ADF Optica...

Страница 55: ...Remove the ADF optical chassis See subsection 4 4 5 2 Remove the fixing screws located at the four corners of the ADF unit 3 Lift the ADF unit to remove it as shown in Figure 4 17 Figure 4 17 ADF Uni...

Страница 56: ...4 16 4 4 7 ADF Inverter Removal 1 Remove the ADF optical chassis See subsection 4 4 5 2 Disconnect the ADF inverter cable 3 Remove the ADF inverter Figure 4 18 ADF Unit Removal ADF inverter cable...

Страница 57: ...ame of the ADF unit while the other hand hold the base of the ADF unit Then push forward to separate these two parts 3 Use pincerpliers to remove the screws on the ADF lamp assembly as shown in below...

Страница 58: ...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 Loosen the attachment on the side of the document cover to re...

Страница 59: ...ng figure 6 Take out the flatbed optical chassis Figure 4 21 Flatbed Optical Chassis Removal To install the optical chassis properly please follow the reverse order of removal procedure Notes 1 The co...

Страница 60: ...ed 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 Figure 4 22 Lamp Removal The lamp The Lamp Cable Flatbe...

Страница 61: ...ve 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 Figure 4 23 The lam...

Страница 62: ...it See subsection 4 5 3 and subsection 4 5 4 3 Remove the upper housing See subsection 4 5 6 4 Remove the flatbed optical chassis See subsection 4 5 7 5 Disconnect the motor cable 6 Remove the ring on...

Страница 63: ...BA 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 Figure 4 25 The Contr...

Страница 64: ...ixing 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 Figure 4 26 Metal Cover Remo...

Страница 65: ...4 25 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...

Страница 66: ...level of each pin of J9 connector on right side of the main control PCBA The specified voltage level for each pin of J9 is as follows Pin 14 24VDC Pin 13 24VGND Pin 4 5VDC Pin 3 GND 4 5 2 Main contro...

Страница 67: ...motor Keep holding this sensor A few minutes later the scanner will stop turning the ADF motor and then the Jam LED will be on Remember to keep holding the sensor 3 As described above if the correspo...

Страница 68: ...1 3 Amount of lubricant C Coat thinly uniformly 4 Lubrication cycle 6 Every 6 months Y Every year Table 4 3 shows the positions to be lubricated Lubrication Position Lubricant Type Lubricant Amount Lu...

Страница 69: ...5 1 5 PARTS 5 1 Spare Parts and AFR 4 1 7 8 5 3 2 9 10 6 10 1 11 12...

Страница 70: ...5 2 To Operator Panel 15 1 15 2 13 2 13 1 16 1 17 1 16 14 13 20 19 18 22 23 17 24 21 15...

Страница 71: ...5 3 D B C 2 C 1 Carton Pad Assembly Paper Output Chute Module A Scanner Main Body Assembly...

Страница 72: ...Y CHASSIS FLATBED 15 1 067 0034 0 SP 0056P1733 1 CCFL 2 6x250x1 X 0 322 Y 0 344 TOA FL 26250 CMW AV3 CKD LONG LIFE 50000hrs 15 2 003 0937 0 SP 1 S PARTS INVERTER CCFL T IBE20 24Vdc 16 003 5481 0 SP 3...

Страница 73: ...5 5...

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