Lexmark 7003-050 X340n Service Manual Download Page 150

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Parts catalog

7-9

7003-XXX

Assembly 3: Electronics

Asm-
Index

Part
number

Units/
mach

Units/
FRU

Description

3–1

40X1303

Laser/mirror print assembly, X340, X340n, X342n

40X1300

Fuser assembly, 110 V

40X1301

Fuser assembly, 220 V

40X1302

Fuser assembly, 100 V

40X1325

Exit sensor assembly

40X1333

Miscellaneous cable assemblies

Note: Do not use the included LVPS/HVPS cable. Order part 40X2416.

•

Toner sensor

•

Fuser power

•

Main drive motor

40X1323

Input #1 sensor assembly

40X1326

Cover open sensor assembly

40X1328

Cooling fan

40X1332

Toner level sensor

40X2632

Controller card

40X2416

LVPS to controller card cable

40X2430

LVPS/HVPS 110V card

40X2431

LVPS/HVPS 220V card

40X1324

Input #2 sensor assembly (manual feeder)

40X2434

Network daughtercard

40X2660

Ferrite core

manuals4u.com

Summary of Contents for 7003-050 X340n

Page 1: ...XXX Table of contents Start diagnostics Safety and notices Trademarks Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or...

Page 2: ...ostic information 2 1 Start 2 1 Power On Reset POR sequence 2 1 Symptom tables 2 2 POST symptom table 2 2 POST symptom table 2 2 MFP symptom table 2 2 Understand the operator panel 2 4 Buttons 2 4 Usi...

Page 3: ...uality test pages 2 31 Blank page 2 31 Black page 2 31 Heavy background 2 32 Partial blank image white spots no periodic pattern 2 32 Variation in image density horizontally across page 2 32 Poor fusi...

Page 4: ...it sensor removal on the fuser 4 17 Fan removal 4 18 Feed rollers autocompensator tires removal 4 19 Fuser removal 4 20 Fuser idle gear links removal 4 21 Fuser power cable removal 4 22 Input roller c...

Page 5: ...5 3 Power supply board connections 5 3 Controller card 5 4 Controller card connections 5 5 Modem card 5 6 Wiring diagram 5 7 Controller card pin assignments 5 8 J3 ADF 5 8 J 69 Modem 5 9 J5 Operator p...

Page 6: ...rdnungsgem er Wartung durch den Kundendienst Laserbestrahlung die Klasse I bersteigen w rde Menschen keinesfalls erreicht Avis relatif l utilisation de laser Pour les Etats Unis cette imprimante est c...

Page 7: ...pot ssio de 5 milliwatts operando numa faixa de comprimento de onda entre 770 e 795 nan metros O sistema e a impressora laser foram concebidos de forma a nunca existir qualquer possiblidade de acesso...

Page 8: ...n person uts tts f r laserstr lning ver Klass I niv vid normal anv ndning underh ll som utf rs av anv ndaren eller annan f reskriven service tg rd Laser melding Skriveren er godkjent i USA etter krave...

Page 9: ...x Service Manual 7003 XXX...

Page 10: ...tien et de r paration de ce produit s adressent uniquement un personnel de maintenance qualifi Le d montage et l entretien de ce produit pouvant pr senter certains risques lectriques le personnel d en...

Page 11: ...sobre el mantenimiento de este producto est dirigida exclusivamente al personal cualificado de mantenimiento Existe mayor riesgo de descarga el ctrica y de da os personales durante el desmontaje y la...

Page 12: ...ientada exclusivament a professionals i no est destinada a ning que no ho sigui El risc de xoc el ctric i de danys personals pot augmentar durant el proc s de desmuntatge i de servei d aquest producte...

Page 13: ...FRUs 5 Connector locations uses illustrations to identify the connector locations and test points on the printer 6 Preventive maintenance contains the lubrication specifications and recommendations to...

Page 14: ...4 1 to help identify parts After completing the repair perform tests as needed to verify the repair MFP Specifications Minimum clearance requirements Memory Note Optional memory flash memory and Lexma...

Page 15: ...tion Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 running Terminal Server Microsoft Windows Server 2003 running Terminal Server with Citrix MetaFrame XP 1 0 Note Citr...

Page 16: ...eet manual feeder 550 sheet optional drawer Toner and photoconductor Toner cartridge yield 1 500 pages X 340 starter toner cartridge 2500 pages X 342n starter toner cartridge 2500 pages X340 X340n and...

Page 17: ...belsa 60 163 g m2 16 43 lb 550 paper 50 labelsa 50 transparencies card stockb Manual feeder A4d A5 JIS B5 letter legal executive folio statement Plain paper transparencies paper labelsa card stockb 60...

Page 18: ...al Resolution Optical 600 dpi Enhanced 9600X9600 dpi TWAIN resolution 9600 dpi WIA resolution 1200 dpi Color depth 48 bits internal 24 bit output Lamp warm up time 80 maximum output in 40 seconds Maxi...

Page 19: ...ether Are damaged in any way Contain windows holes perforations cutouts or embossing Have metal clasps string ties or metal folding bars Have postage stamps attached Have any exposed adhesive when the...

Page 20: ...l information 1 7 7003 XXX Tools The removal and adjustment procedures require the following tools and equipment Magnetic tip Phillips screwdrivers large and small Volt ohmmeter manuals4u com manuals4...

Page 21: ...age HVPS High Voltage Power Supply INTL International LCD Liquid crystal diode LED Light emitting diode LVPS Low Voltage Power Supply MFP Multi Function Printer MH Message handling MMR Modified modifi...

Page 22: ...on see one of the following Service error codes on page 2 7 User attendance messages on page 2 10 Paper jam messages on page 2 9 Power On Reset POR sequence The following is an example of the events t...

Page 23: ...fan service check on page 2 20 Fuser lamp does not come on See Cold fuser service check on page 2 20 Fuser lamp never turns off See Hot fuser service check on page 2 24 The paper feed picks and tries...

Page 24: ...oes not light or is very dim See Controller card service check on page 2 21 Fan noisy or not working See Cooling fan service check on page 2 20 Dead machine no power See Dead machine service check on...

Page 25: ...e of the copied document as compared to the original document Collate Pressing the collate button activates the collate setting The collate setting controls the sequence in which multiple page jobs ar...

Page 26: ...tent button to select the type of content being faxed or copied Photos Mixed and Text are the available selections Press the Darkness button to set the lightness or darkness of a copy or fax Start Pre...

Page 27: ...d Fax Footer Auto Reduce Confirmation Calr ID Ptrn Auto Prt Rpt Fax Defaults Content Original Size Darkness Rings Distinct Ring Redials Redial Wait Paper Source Speaker Volume Prefix ECM Station ID Pa...

Page 28: ...load condition Replace the drawer 2 assembly 917 Transfer roll The most likely cause is a faulty HVPS It may also indicate a problem in the transfer roll area Go to Transfer roll service check on page...

Page 29: ...main drive 941 Scanner AFE R W Error for scanner Replace the controller card 942 Scanner Home sensor error See CCD service check on page 2 20 943 Scanner Motor stall Restart the MFP If the problem re...

Page 30: ...played after the paper is removed the input sensor or controller card might be faulty 202 Paper Jam Open Rear Door The exit sensor is either covered during POR or covered too long Open the rear door t...

Page 31: ...reconnect it Press Go to execute a configuration change which notifies the MFP the option has been hot unplugged removed with the power on Note This action is not available if the MFP is in Diagnosti...

Page 32: ...ed but the MFP cannot establish communications with it Press Go to clear the message The MFP disables all communications to the network interface 56 Standard USB Port Disabled Displayed when status is...

Page 33: ...rinting The media size stored in NVRAM will automatically change to the size specified on the prompt Press 2 on the numeric keypad The device will print on the media installed Clipping might occur Pho...

Page 34: ...designed to help isolate paper jams and paper feed problems in the base MFP To identify the bytes Displayed error codes When a 9xx or 2xx error displays 1 Press and hold Menu and press to enter for s...

Page 35: ...ding from the source is slipping or media is slipping before exiting the input sensor 200 01 84 xx 00 x1 x2 x3 This code indicates that the input sensor is still actuated from the first sheet and the...

Page 36: ...he tray 200 12 84 xx 04 The input sensor was covered activated during POST Clear the media or debris from the MFP Run the base sensor test input sensor from the diagnostic tests menu to test the input...

Page 37: ...ly has been installed 201 01 8D xx 00 The fuser exit sensor was never activated by the leading edge of the media fed through the MFP This error can be displayed after a 201 paper jam This can be cause...

Page 38: ...en at the input sensor The manual feeder sensor is no longer covered Go to A4 oversized paperfeed service check on page 2 30 241 18 Paper jam near Tray 2 242 00 8E xx 11 Took too long to ramp up DC fe...

Page 39: ...or panel POST J5 OP PANEL operator panel Go to Dead machine service check on page 2 22 917 POST J19 FAN 924 01 POST J15 TH1 thermistor 929 Print multiple pages J18 MPF SENSOR multipurpose feeder senso...

Page 40: ...flags are ok check to see if they are properly connected to the ADF card located in the ADF Replace sensor assembly if needed Make sure the ADF cable is securely connected to the ADF card and the con...

Page 41: ...the thermistor cable is firmly seated in connector J15 on the controller card Check for excessive toner buildup on the surface of the thermistor Clean as necessary With the MFP unplugged disconnect t...

Page 42: ...the grounds are not correct on the controller card replace the controller card Check with one probe on the connector pin and the other on the ground plane of the card found at each screw head Note Wit...

Page 43: ...rify 5 V dc on pin 2 at J13 on the controller card Verify pins 1 and 3 are ground If voltage or ground is not present see Controller card service check on page 2 21 for more information Verify discont...

Page 44: ...odel MFP 200 V ac 240 V ac for the 220 V model MFP Turn the MFP off and wait a few minutes for the fuser lamp to cool Turn the MFP on and observe the lamp turning on during POST You can see the light...

Page 45: ...em persists disconnect the thermistor cable at J15 and check for less than 5 V dc on pin 1 Pin 2 should be ground If line voltage is incorrect on pin 1 see Controller card service check on page 2 21 f...

Page 46: ...assembly Verify 24 V dc from pins 9 and 10 at CN201 If voltage is incorrect replace the card assembly HVPS portion of board Problems with the HVPS are exhibited in the print quality See Print quality...

Page 47: ...Administration menu ensure DHCP is activated if the network uses DHCP In diagnostics ensure the PRINTER MODEL is set to the correct printer model If the USB jack is connected to a device disconnect it...

Page 48: ...d to the controller card and the operator panel Ensure the controller card has input voltage to it Verify 24 V dc on cable pins 9 and 10 at J7 Check for 5 V dc at J5 pin 14 See Controller card service...

Page 49: ...ctor J20 for 5V and pin2 on J20 for 3 3V Pin 3 should be ground If any of the readings are incorrect replace the controller card If they are correct replace the malfunctioning sensor FRU Action Printh...

Page 50: ...the ratchet teeth of the ACM clutch assembly are worn or broken the solenoid may not stop the ACM from rotating Replace the ACM clutch assembly if necessary Check the manual feed clutch for the same d...

Page 51: ...he controller card Measure the resistance across cable pins 1 and 2 and then pins 3 and 4 The resistance should be 180 210 ohms If it is not call the next level of service If the resistance is 180 210...

Page 52: ...charged Try a different PC kit Unplug the MFP and check continuity between the LVPS HVPS connection pads marked OPC and the corresponding pin inside the MFP If there is not continuity call the next le...

Page 53: ...order shown LVPS HVPS board Controller card FRU Action Toner cartridge not a FRU Remove the toner cartridge assembly and gently shake the assembly to evenly distribute the toner If toner cartridge is...

Page 54: ...ark horizontal lines on a uniformly gray page or on a page with a large area of graphics Banding is primarily due to a variation in the speed of the paper as it feeds through the MFP especially in the...

Page 55: ...echeck before replacing the toner cartridge See Toner on back of page on page 2 33 for more information Vertical or horizontal streaks appear on the page Replace the toner cartridge for vertical black...

Page 56: ...d back on Check the printhead See Paper feed service checks on page 2 29 for more information The MFP is on but nothing prints Make sure the toner cartridge assembly is installed properly Is the MFP p...

Page 57: ...eck the rubber on the paper feed tires Check the paper path in the tray for burrs or debris that may hinder paper movement Make sure the paper does not exceed the stack height indicator The display in...

Page 58: ...ownload EC1 network daughtercard update Problem Action Flatbed motor failure Perform CCD service check See CCD service check on page 2 20 Loose belt Visually inspect the belt If the belt is worn or lo...

Page 59: ...s ground If the voltage is present replace the toner sensor If the voltage on pin 1 is incorrect replace the controller card FRU Action Transfer roll Check transfer roll area for debris and clean as n...

Page 60: ...enu is displayed 2 Press The Print Menus menu item is displayed 3 Press again The menus will print out Diagnostics Mode 1 Press and release the Menu key 2 Press and release the key 3 Press and release...

Page 61: ...110v 220v COUNT RESET Page Count Go to Page Count on page 3 4 Print Copy Fax Total Fax Usage Go to Fax Usage on page 3 5 Sent Received Scan Usage Go to Scan Usage on page 3 5 Copy Fax Local Total Fla...

Page 62: ...Up or Down to scroll to USB 2 Press to select USB 3 Toggle between the High Speed and Full Speed settings using Up or Down 4 When the desired setting is displayed press The MFP will automatically reb...

Page 63: ...etween 110V and 220V 4 When the desired setting is displayed press to choose the setting The operator panel will display Saved and return to Power Supply ID Note The 110V setting should be used for th...

Page 64: ...t is saved and the display returns to the selected Scan Usage sub menu item 5 Press the Down key to advance to the next page count item or press twice to return to the Count Reset menu item Network me...

Page 65: ...hould be sufficient for proper registration of the printer The print registration range is To set the printer registration perform the following steps 1 Select REGISTRATION from the Diagnostics menu 2...

Page 66: ...er submenu item 4 Press to select Scanner 5 Test Copy is the default menu item 6 Press 7 If you are using the paper supplied with the service part remove it from the tube and flatten it out 8 Place th...

Page 67: ...A4 flatbed registration Flatbed registration is correct when the left margin equals 0 for letter and A4 paper and the right margin equals 0 for letter and 15 for A4 Correct ADF registration with lette...

Page 68: ...to the desired communication setting 3 When the desired setting is displayed press 4 Use Up or Down to toggle between Enable and Disable 5 When the desired setting is displayed press Saved is display...

Page 69: ...The CND log is printed Print Stack Info This setting is used to print stack information which can be used to help second level support troubleshoot a FAX issue To print the stack information perform...

Page 70: ...configured for use in the United States Perform the following steps to reset the FAX NVRAM 1 In the Utilities menu use the Up and Down to scroll to FAXNVRAM 2 Press to select FAXNVRAM 3 Press Resetti...

Page 71: ...3 12 Service Manual 7003 XXX...

Page 72: ...our body to the MFP Hold the ESD sensitive part by its edge connector shroud cover do not touch its pins If you are removing a pluggable module use the correct tool Do not place the ESD sensitive part...

Page 73: ...ightening Covers Extender cover removal 1 Locate the latches on the left and right sides of the extender cover 2 Push the latches and pull the cover away from the rear of the MFP Front access cover re...

Page 74: ...e rotating the right side of the cover slightly away from the MFP to disengage the link 7 Remove the front access cover Left side cover removal 1 Open the front access cover to expose two screws A and...

Page 75: ...left cover to the rear cover 4 Release the latches with the right hand while applying opening force with the left hand 5 While pulling the left side cover away from the MFP lift the left cover upwards...

Page 76: ...ght side covers See Upper right side cover removal on page 4 8 for more information 2 Remove the left side cover See Left side cover removal on page 4 3 for more information 3 Remove the two screws A...

Page 77: ...4 6 Service Manual 7003 XXX 5 Push and release the tabs B on both sides of the rear cover I...

Page 78: ...Repair information 4 7 7003 XXX 6 While lifting the scanner lid up lift the rear cover unhook it from the scanner top and the frame at the bottom and remove manuals4u com manuals4u com...

Page 79: ...right side cover removal 1 Remove the lower right side cover See Lower right side cover removal on page 4 10 2 Remove one screw A from the front and the two screws B on the rear side 3 Open the rear...

Page 80: ...Repair information 4 9 7003 XXX 4 Swing the cover upwards and away from the MFP manuals4u com manuals4u com...

Page 81: ...the screw A holding the lower right side cover 2 Release the latch B on the front of the lower right side cover 3 Swing the lower right side cover open 4 Lift the MFP up slightly and disengage the lo...

Page 82: ...er assembly See Scanner base assembly removal on page 4 51 2 Remove four screws A that secure the top cover to the printer frame 3 Remove two screws B at the front of the top cover just behind the acc...

Page 83: ...ice Manual 7003 XXX Card cage removal 1 Remove lower right cover Go to Lower right side cover removal on page 4 10 2 Remove screw A securing the card cage to the frame 3 Press in metal tab and remove...

Page 84: ...ver removal on page 4 8 2 Remove the card cage See Card cage removal on page 4 12 3 Remove snap on toroid holding the cables at the top of the controller card 4 Disconnect all the cables to the contro...

Page 85: ...e 8 Carefully lift the card and remove Note The scanner registration and calibration as well as printer registration must be set after replacing the controller card Go to Registration on page 3 6 and...

Page 86: ...group of cables located at the top of the controller card 3 Disconnect the cover open switch at J13 on the controller card and extract the cable 4 Use a small Phillips screwdriver to remove the screw...

Page 87: ...side cover See Left side cover removal on page 4 3 2 Carefully place the MFP on its right side Protect the cover from marring 3 Remove four screws A in the gear train metal cover 4 Remove the gear tra...

Page 88: ...your right thumb against the inside gear surface and left index finger against the opposite end of the shaft Warning There will be some lubricant on the gear and shaft Be sure to wipe hands clean wit...

Page 89: ...ng the sensor 8 Remove the sensor and its attached cable 9 Observe the orientation of the flag and spring before replacing units Fan removal 1 Open the upper right side cover See Upper right side cove...

Page 90: ...m the MFP Feed rollers autocompensator tires removal 1 Remove the paper tray 2 Remove the toner cartridge 3 Tilt the MFP onto its back 4 Remove old tires 5 Ensure the new tires are captured between th...

Page 91: ...sor at J10 on the controller card 4 Slide the fuser out far enough to expose and disconnect the AC cable connections 5 To disconnect the fuser power cables slide the insulation B back to expose the co...

Page 92: ...Left side cover removal on page 4 3 3 Place MFP on its right side Protect the cover from being marred 4 Remove the four screws A securing the gear train cover 5 Remove the gear train cover 6 Grasp th...

Page 93: ...ut fully removing the card 2 Remove the rear cover See Rear cover removal on page 4 5 for more information 3 Remove the exit guide assembly See Paper exit guide assembly removal on page 4 31 for more...

Page 94: ...4 3 2 Place the MFP on its right side Protect the cover from being marred 3 Remove four screws A in the gear train metal cover 4 Remove the clip B from the shaft of the input roller clutch assembly 5...

Page 95: ...front near top of card 3 Carefully place the MFP on its back 4 Using a small shank screwdriver remove the screw A behind the ACM auto compensator pivot that holds the paper sensor in place 5 Remove th...

Page 96: ...op of card 3 Remove the paper tray 4 Carefully place the MFP on its back with the bottom of the MFP facing you Remove the screw A beside the left pick tire 5 Remove the sensor and its attached cable 6...

Page 97: ...e the cover extender if installed paper tray and the rear cover See Rear cover removal on page 4 5 for more information 2 Remove two screws A one left of the power switch and the other at the opposite...

Page 98: ...HVPS to controller card cable removal 1 Remove the LVPS HVPS card See LVPS HVPS card assembly removal on page 4 26 for more information 2 Remove the controller card cover See Controller card removal...

Page 99: ...4 3 2 Place the MFP on its right side Protect the cover from being marred 3 Remove the four screws A in the gear train metal cover 4 Remove the clip B from the shaft of the pick up clutch assembly 5 R...

Page 100: ...Disconnect the ground wire connecting the network card to the controller card 4 Remove the screw that secures the network card to the rear plate on the MFP frame Note When reattaching the network car...

Page 101: ...tor panel assembly removal 1 Remove the operator panel overlay 2 Remove the 4 screws A from that secure the operator panel to the scanner base assembly 3 Lift the operator panel assembly up and gently...

Page 102: ...guide assembly removal 1 Remove the rear cover See Rear cover removal on page 4 5 for more information 2 Remove the three screws A securing the exit guide 3 Remove the paper exit guide assembly Reinst...

Page 103: ...roller card 3 Unplug the printhead cables at locations J11 and J12 on the controller card and on the printhead 4 Remove three screws A that secure the printhead to the cross brace and lift the printhe...

Page 104: ...holder arms with the left hand while lifting with the right Stop when the holder is unlatched 4 At the left side of the transfer roll squeeze the holder arms with the right hand while lifting with the...

Page 105: ...HVPS card assembly See LVPS HVPS card assembly removal on page 4 26 for more information 4 Extract the cable through the side frame leaving it free at the opening above the LVPS HVPS 5 Remove the fus...

Page 106: ...Repair information 4 35 7003 XXX Scanner ADF paper tray removal 1 Locate tabs A beneath the paper tray 2 Pull the tabs back and remove the paper tray from the ADF assembly manuals4u com manuals4u com...

Page 107: ...al on page 4 35 2 Remove the ADF pick roll Go to Scanner ADF pick roll assembly removal on page 4 39 3 Remove the ADF separator pad Go to Scanner ADF separator pad removal on page 4 38 4 Remove the tw...

Page 108: ...Repair information 4 37 7003 XXX 6 Pinch the tabs C that fasten the paper present sensor to the ADF top assembly 7 Remove the top half of the ADF assembly manuals4u com manuals4u com...

Page 109: ...er removal 1 Remove the ADF assembly See Scanner ADF assembly removal on page 4 42 2 Lift the ADF top cover all the way back and pull it away from the ADF unit Scanner ADF separator pad removal 1 Open...

Page 110: ...rator pad guide locks B inward lift and remove the ADF separator pad out of the ADF unit Scanner ADF pick roll assembly removal 1 Open the ADF top cover 2 Open the green pick roll hinge A by pinching...

Page 111: ...003 XXX 3 Hold the ADF pickroll hinge down and push the ADF pick roll assembly toward the rear of the ADF 4 Pivot the front of the ADF pickroll assembly to the right and lift the ADF pick roll assembl...

Page 112: ...over 2 Remove the ADF pick roll assembly See Scanner ADF pick roll assembly removal on page 4 39 3 Remove the screw A that secures the pick roll hinge to the ADF top cover Note The cover is removed fo...

Page 113: ...val 1 Remove the two screws A that secures the ADF assembly to the flatbed cover 2 Open the ADF top cover 3 Remove the ADF paper tray assembly Go to Scanner ADF paper tray removal on page 4 35 4 Remov...

Page 114: ...Repair information 4 43 7003 XXX 5 Open the ADF assembly 6 Disconnect the ADF ground C and the ADF cable D manuals4u com manuals4u com...

Page 115: ...ing the ADF cable 8 Remove the two inner screws that secure the ADF to the flatbed cover 9 Remove the ADF assembly Note The scanner registration and calibration must be set after replacing the ADF ass...

Page 116: ...ion 4 45 7003 XXX Scanner ADF cable removal 1 Remove rear cover See Rear cover removal on page 4 5 2 Disconnect the ADF cable from J3 on the controller card 3 Disconnect the ground wire A manuals4u co...

Page 117: ...4 46 Service Manual 7003 XXX 4 Remove the two screws B that secure the top of the ADF assembly 5 Open the ADF assembly...

Page 118: ...Repair information 4 47 7003 XXX 6 Disconnect the ground C and ADF cable D 7 Remove the screw E and ADF cable clamp 8 Carefully remove the ADF cable from the ADF assembly manuals4u com manuals4u com...

Page 119: ...om the MFP Scanner top removal 1 Remove rear cover See Rear cover removal on page 4 5 2 Open the lower right cover and disconnect the ADF cable from J3 on the controller card 3 Remove flatbed cover 4...

Page 120: ...val 1 Remove the scanner top See Scanner top removal on page 4 48 2 Carefully remove the 18 and 20 pin ribbon cables A from the CCD 3 Gently remove the geared belt from the CCD Note Be careful to avoi...

Page 121: ...de rod and slide the CCD off the guide rod Note The scanner registration and calibration must be set after replacing the CCD assembly See on page 3 8 and Scanner Registration on page 3 7 Note If the C...

Page 122: ...m card removal on page 4 54 3 Disconnect the operator panel cable A from J5 on the controller card 4 Disconnect the 18 and 22 pin ribbon cables B from connectors J1 and J4 on the controller card 5 Dis...

Page 123: ...screws C on the right side of the MFP that attach the scanner unit to the printer base Do not discard the screws I 8 Locate the two pins D on the left side of the MFP that attach the scanner unit to t...

Page 124: ...plastic retaining tab back place a flat blade screwdriver in the notch on the metal pin 10 Remove the pin from the base 11 Repeat steps 8 and 9 for the second pin 12 Lift the scanner assembly from th...

Page 125: ...right side cover removal on page 4 8 2 Disconnect the modem cable A modem speaker wire B and ground wire C from the modem card 3 Remove the other screw from the bottom of the modem card 4 While prying...

Page 126: ...m speakers to the scanner base assembly 4 Disconnect the modem speaker cable from the modem card 5 Remove the snap on toroid B from the cable The toroid will be used on the new modem speaker assembly...

Page 127: ...4 56 Service Manual 7003 XXX...

Page 128: ...Locations and connections 5 1 7003 XXX 5 Locations and connections Locations Front view Rear view Modem Rear Paper Exit Power Switch manuals4u com manuals4u com...

Page 129: ...5 2 Service Manual 7003 XXX ADF ADF Separator Roller ADF Separator Pad ADF Paper Guides ADF Paper Tray...

Page 130: ...er supply board Power supply board connections Conn Connects to wires Wire colors CN102 Fuser 2 Blue white CN201 Controller card 10 Black CN202 Charge roll 2 Red blue CN203 Developer 3 Red white blue...

Page 131: ...5 4 Service Manual 7003 XXX Controller card...

Page 132: ...J14 SC Smart chip 2 White black J17 TNR Toner sensor 3 Green black red J18 MPF Manual feed sensor 3 Red purple black J5 Operator panel 22 12 red 10 white J1 FB Flatbed 18 Ribbon cable J4 CCD CCD 22 Ri...

Page 133: ...5 6 Service Manual 7003 XXX Modem card Conn Connects to wires Wire colors J69 Controller card 30 White J70 Phone N A N A manuals4you com...

Page 134: ...Locations and connections 5 7 7003 XXX Wiring diagram Note See the fold out wiring diagram in the back of this book for a large view manuals4u com manuals4u com...

Page 135: ...les The remaining connectors are described in the wiring diagram at the back of the manual J3 ADF Note Pin 21 does not have a connection Pin Signal 1 AM_DIR 2 AM_STEP 3 PAPER_IN_P 4 AM_MS1 5 VREF_SW1...

Page 136: ...A0 6 SYSDATA1 7 SYSDATA2 8 SYSDATA3 9 GND 10 SYSDATA4 11 SYSDATA5 12 SYSDATA6 13 SYSDATA7 14 GND 15 SYSADR0 16 SYSADR1 17 SYSADR2 18 GND 19 SYSADR4 20 SYSADR5 21 SYSADR6 22 GND 23 FAXINT 24 SYS_WR 25...

Page 137: ...erator panel Pin Signal 1 UI_DATA_1 2 UI_DATA_0 3 UI_DATA_2 4 GND 5 VCC3 6 UI_DATA_3 7 UI_DATA_5 8 UI_DATA_4 9 UI_DATA_6 10 GND 11 VDD_UI 12 UI_DATA_7 13 LCDRW 14 VDD_UI 15 LCDE 16 GND 17 GND 18 LCDRS...

Page 138: ...XXX J1 Flatbed motor Pin Signal 1 VDD5_MOTOR 2 GND 3 HMSEN 4 GND 5 V_24_MOTOR_FB 6 GND 7 FM_MS2 8 FM_MS1 9 FM_STEP 10 FM_DIR 11 FM_SLEEP 12 FM_RESET 13 GND 14 VREF_SW1 15 VREF_SW2 16 GND 17 GND 18 V2...

Page 139: ...12 Service Manual 7003 XXX J4 CCD module Pin Signal 1 GND 2 SH1 3 GND 4 CP 5 PH2 6 GND 7 GND 8 PH1 9 CCD_SW1 10 RS 11 GND 12 VOB_ODD 13 GND 14 VOG_EVEN1 15 GND 16 VOB_EVEN2 17 GND 18 GND 19 12V 20 5V...

Page 140: ...d be replaced every 20 000 pages and the ADF pick roller 40X2401 should be replaced every 60 000 pages Clean the flatbed glass using a lint free cloth If the dirt is heavy use a neutral cleanser or al...

Page 141: ...6 2 Service Manual 7003 XXX...

Page 142: ...d in the machine or product Units FRU refers to the number of units packaged together and identified by the part number NS Not shown in the Asm Index column indicates that the part is procurable but i...

Page 143: ...7 2 Service Manual 7003 XXX Assembly 1 Covers...

Page 144: ...t cover assembly 3 40X2422 1 1 Rear cover assembly 4 40X2421 1 1 Base top cover assembly 5 40X2425 1 1 Upper right side cover 6 40X2426 1 1 Lower right side cover 7 40X2433 1 1 Optional drawer 2 assem...

Page 145: ...7 4 Service Manual 7003 XXX Assembly 2 Scanner...

Page 146: ...ator panel assembly 21 40X2690 1 1 X 340 X340n Operator panel overlay English 21 40X2706 1 1 X 342n Operator panel overlay English 21 40X2691 1 1 X 340 X340n Operator panel overlay Spanish 21 40X2707...

Page 147: ...7 6 Service Manual 7003 XXX Assembly 2 continued Scanner...

Page 148: ...1 X 342n Operator panel overlay Russian 21 40X2702 1 1 X 340 X340n Operator panel overlay Polish 21 40X2718 1 1 X 342n Operator panel overlay Polish 21 40X2703 1 1 X 340 X340n Operator panel overlay...

Page 149: ...7 8 Service Manual 7003 XXX Assembly 3 Electronics...

Page 150: ...ssemblies Note Do not use the included LVPS HVPS cable Order part 40X2416 Toner sensor Fuser power Main drive motor 5 40X1323 1 1 Input 1 sensor assembly 6 40X1326 1 1 Cover open sensor assembly 7 40X...

Page 151: ...7 10 Service Manual 7003 XXX Assembly 4 Frame...

Page 152: ...llaneous actual size TP2NC 3 0 6P Ni 2 M3 0 0 5 6P Ni 2 Washer 2 MT3 0 0 5 6PF Ni 5 TP2NC 3 0 6PF Ni 4 5 40X1319 2 2 Paper feed rubber tires 6 40X1354 1 Front door and ACM springs 7 40X1331 1 1 Autoco...

Page 153: ...United Kingdom NS 40X0275 1 1 Power cord 6 foot straight Israel NS 40X0274 1 1 Power cord 6 foot Switzerland NS 40X0276 1 1 Power cord 6 foot South Africa NS 40X0287 1 1 Power cord 6 foot straight Tr...

Page 154: ...latbed motor 5 11 J3 ADF 5 8 J4 CCD module 5 12 J5 Operator panel 5 10 cooling fan symptoms 2 2 cover open sensor removal 4 15 D developer drive coupling assembly removal 4 16 diagnostics menu ATM men...

Page 155: ...Lower right side cover removal 4 10 LVPS HVPS card assembly removal 4 26 LVPS HVPS to controller card cable removal 4 27 M maintenance approach 1 1 manual feed clutch assembly 4 28 input sensor 2 4 25...

Page 156: ...39 ADF pick roll hinge 4 41 ADF separator pad 4 38 ADF top cover 4 38 CCD assembly 4 49 flatbed cover 4 48 modem card 4 54 modem speaker assembly 4 55 operator panel assembly 4 30 scanner base assembl...

Page 157: ...iption 1 1 photoconductor capacity 1 3 toner capacity 1 3 start 2 1 Start button 2 5 Stop button 2 5 sub error codes 2 14 symptoms MFP 2 2 MFP POSTsymptoms 2 2 POST symptoms 2 2 T taking printer offli...

Page 158: ...ires 7 11 40X1323 Input 1 sensor assembly 7 9 40X1324 Input 2 sensor assembly manual 7 9 40X1325 Exit sensor assembly 7 9 40X1326 Cover open sensor assembly 7 9 40X1328 Cooling fan 7 9 40X1329 Develop...

Page 159: ...Operator panel overlay Italian 7 5 40X2696 X 340 X340n Operator panel overlay Dutch 7 5 40X2697 X 340 X340n Operator panel overlay Danish 7 5 40X2698 X 340 X340n Operator panel overlay Norwegian 7 7 4...

Page 160: ...7003 XXX 40X2721 Operator panel overlay Korean network 7 7 40X2822 Transfer roll bearings gear spring 7 11 40X3499 High friction pick roll pad 7 5 7376595 Field location package assembly 7 12 manuals...

Page 161: ...I 8 Service Manual 7003 XXX...

Page 162: ...manuals4u com manuals4u com...

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Lexmark 7003-050 X340n, Service Manual

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Summary of Contents for 7003-050 X340n

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